Annotation of src/usr.bin/cvs/rcs.c, Revision 1.109
1.109 ! joris 1: /* $OpenBSD: rcs.c,v 1.108 2005/12/03 15:31:53 joris Exp $ */
1.1 jfb 2: /*
3: * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
1.15 tedu 4: * All rights reserved.
1.1 jfb 5: *
1.15 tedu 6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
1.1 jfb 9: *
1.15 tedu 10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
1.1 jfb 12: * 2. The name of the author may not be used to endorse or promote products
1.15 tedu 13: * derived from this software without specific prior written permission.
1.1 jfb 14: *
15: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
16: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
17: * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
18: * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
1.15 tedu 24: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.1 jfb 25: */
26:
27: #include <sys/param.h>
28: #include <sys/stat.h>
29:
1.55 xsa 30: #include <ctype.h>
31: #include <errno.h>
1.72 niallo 32: #include <fcntl.h>
1.63 joris 33: #include <libgen.h>
1.52 jfb 34: #include <pwd.h>
1.55 xsa 35: #include <stdarg.h>
1.1 jfb 36: #include <stdio.h>
37: #include <stdlib.h>
38: #include <string.h>
1.55 xsa 39: #include <unistd.h>
1.1 jfb 40:
1.94 joris 41: #include "cvs.h"
1.55 xsa 42: #include "log.h"
1.1 jfb 43: #include "rcs.h"
1.81 niallo 44: #include "diff.h"
1.1 jfb 45:
1.57 xsa 46: #define RCS_BUFSIZE 16384
47: #define RCS_BUFEXTSIZE 8192
1.1 jfb 48:
49:
50: /* RCS token types */
1.57 xsa 51: #define RCS_TOK_ERR -1
52: #define RCS_TOK_EOF 0
53: #define RCS_TOK_NUM 1
54: #define RCS_TOK_ID 2
55: #define RCS_TOK_STRING 3
56: #define RCS_TOK_SCOLON 4
57: #define RCS_TOK_COLON 5
58:
59:
60: #define RCS_TOK_HEAD 8
61: #define RCS_TOK_BRANCH 9
62: #define RCS_TOK_ACCESS 10
63: #define RCS_TOK_SYMBOLS 11
64: #define RCS_TOK_LOCKS 12
65: #define RCS_TOK_COMMENT 13
66: #define RCS_TOK_EXPAND 14
67: #define RCS_TOK_DATE 15
68: #define RCS_TOK_AUTHOR 16
69: #define RCS_TOK_STATE 17
70: #define RCS_TOK_NEXT 18
71: #define RCS_TOK_BRANCHES 19
72: #define RCS_TOK_DESC 20
73: #define RCS_TOK_LOG 21
74: #define RCS_TOK_TEXT 22
75: #define RCS_TOK_STRICT 23
1.1 jfb 76:
1.57 xsa 77: #define RCS_ISKEY(t) (((t) >= RCS_TOK_HEAD) && ((t) <= RCS_TOK_BRANCHES))
1.1 jfb 78:
79:
1.57 xsa 80: #define RCS_NOSCOL 0x01 /* no terminating semi-colon */
81: #define RCS_VOPT 0x02 /* value is optional */
1.1 jfb 82:
83:
84: /* opaque parse data */
85: struct rcs_pdata {
1.57 xsa 86: u_int rp_lines;
1.1 jfb 87:
1.57 xsa 88: char *rp_buf;
89: size_t rp_blen;
90: char *rp_bufend;
91: size_t rp_tlen;
1.1 jfb 92:
93: /* pushback token buffer */
1.57 xsa 94: char rp_ptok[128];
95: int rp_pttype; /* token type, RCS_TOK_ERR if no token */
1.1 jfb 96:
1.57 xsa 97: FILE *rp_file;
1.1 jfb 98: };
99:
100:
1.57 xsa 101: #define RCS_TOKSTR(rfp) ((struct rcs_pdata *)rfp->rf_pdata)->rp_buf
102: #define RCS_TOKLEN(rfp) ((struct rcs_pdata *)rfp->rf_pdata)->rp_tlen
1.1 jfb 103:
104:
1.47 jfb 105: /* invalid characters in RCS symbol names */
1.49 jfb 106: static const char rcs_sym_invch[] = RCS_SYM_INVALCHAR;
1.47 jfb 107:
1.51 jfb 108:
109: /* comment leaders, depending on the file's suffix */
110: static const struct rcs_comment {
1.57 xsa 111: const char *rc_suffix;
112: const char *rc_cstr;
1.51 jfb 113: } rcs_comments[] = {
114: { "1", ".\\\" " },
115: { "2", ".\\\" " },
116: { "3", ".\\\" " },
117: { "4", ".\\\" " },
118: { "5", ".\\\" " },
119: { "6", ".\\\" " },
120: { "7", ".\\\" " },
121: { "8", ".\\\" " },
122: { "9", ".\\\" " },
123: { "a", "-- " }, /* Ada */
124: { "ada", "-- " },
125: { "adb", "-- " },
126: { "asm", ";; " }, /* assembler (MS-DOS) */
127: { "ads", "-- " }, /* Ada */
128: { "bat", ":: " }, /* batch (MS-DOS) */
129: { "body", "-- " }, /* Ada */
130: { "c", " * " }, /* C */
131: { "c++", "// " }, /* C++ */
132: { "cc", "// " },
133: { "cpp", "// " },
134: { "cxx", "// " },
135: { "m", "// " }, /* Objective-C */
136: { "cl", ";;; " }, /* Common Lisp */
137: { "cmd", ":: " }, /* command (OS/2) */
138: { "cmf", "c " }, /* CM Fortran */
139: { "csh", "# " }, /* shell */
140: { "e", "# " }, /* efl */
141: { "epsf", "% " }, /* encapsulated postscript */
142: { "epsi", "% " }, /* encapsulated postscript */
143: { "el", "; " }, /* Emacs Lisp */
144: { "f", "c " }, /* Fortran */
145: { "for", "c " },
146: { "h", " * " }, /* C-header */
147: { "hh", "// " }, /* C++ header */
148: { "hpp", "// " },
149: { "hxx", "// " },
150: { "in", "# " }, /* for Makefile.in */
151: { "l", " * " }, /* lex */
152: { "mac", ";; " }, /* macro (DEC-10, MS-DOS, PDP-11, VMS, etc) */
153: { "mak", "# " }, /* makefile, e.g. Visual C++ */
154: { "me", ".\\\" " }, /* me-macros t/nroff */
155: { "ml", "; " }, /* mocklisp */
156: { "mm", ".\\\" " }, /* mm-macros t/nroff */
157: { "ms", ".\\\" " }, /* ms-macros t/nroff */
158: { "man", ".\\\" " }, /* man-macros t/nroff */
159: { "p", " * " }, /* pascal */
160: { "pas", " * " },
1.52 jfb 161: { "pl", "# " }, /* Perl (conflict with Prolog) */
162: { "pm", "# " }, /* Perl module */
1.51 jfb 163: { "ps", "% " }, /* postscript */
164: { "psw", "% " }, /* postscript wrap */
165: { "pswm", "% " }, /* postscript wrap */
166: { "r", "# " }, /* ratfor */
167: { "rc", " * " }, /* Microsoft Windows resource file */
168: { "red", "% " }, /* psl/rlisp */
169: { "sh", "# " }, /* shell */
170: { "sl", "% " }, /* psl */
171: { "spec", "-- " }, /* Ada */
172: { "tex", "% " }, /* tex */
173: { "y", " * " }, /* yacc */
174: { "ye", " * " }, /* yacc-efl */
175: { "yr", " * " }, /* yacc-ratfor */
176: };
177:
1.57 xsa 178: #define NB_COMTYPES (sizeof(rcs_comments)/sizeof(rcs_comments[0]))
1.51 jfb 179:
1.33 jfb 180: #ifdef notyet
1.20 jfb 181: static struct rcs_kfl {
1.57 xsa 182: char rk_char;
183: int rk_val;
1.20 jfb 184: } rcs_kflags[] = {
185: { 'k', RCS_KWEXP_NAME },
186: { 'v', RCS_KWEXP_VAL },
187: { 'l', RCS_KWEXP_LKR },
188: { 'o', RCS_KWEXP_OLD },
189: { 'b', RCS_KWEXP_NONE },
190: };
1.33 jfb 191: #endif
1.20 jfb 192:
1.1 jfb 193: static struct rcs_key {
1.57 xsa 194: char rk_str[16];
195: int rk_id;
196: int rk_val;
197: int rk_flags;
1.1 jfb 198: } rcs_keys[] = {
199: { "access", RCS_TOK_ACCESS, RCS_TOK_ID, RCS_VOPT },
1.41 jfb 200: { "author", RCS_TOK_AUTHOR, RCS_TOK_ID, 0 },
1.1 jfb 201: { "branch", RCS_TOK_BRANCH, RCS_TOK_NUM, RCS_VOPT },
202: { "branches", RCS_TOK_BRANCHES, RCS_TOK_NUM, RCS_VOPT },
203: { "comment", RCS_TOK_COMMENT, RCS_TOK_STRING, RCS_VOPT },
204: { "date", RCS_TOK_DATE, RCS_TOK_NUM, 0 },
205: { "desc", RCS_TOK_DESC, RCS_TOK_STRING, RCS_NOSCOL },
206: { "expand", RCS_TOK_EXPAND, RCS_TOK_STRING, RCS_VOPT },
207: { "head", RCS_TOK_HEAD, RCS_TOK_NUM, RCS_VOPT },
208: { "locks", RCS_TOK_LOCKS, RCS_TOK_ID, 0 },
209: { "log", RCS_TOK_LOG, RCS_TOK_STRING, RCS_NOSCOL },
210: { "next", RCS_TOK_NEXT, RCS_TOK_NUM, RCS_VOPT },
1.41 jfb 211: { "state", RCS_TOK_STATE, RCS_TOK_ID, RCS_VOPT },
1.1 jfb 212: { "strict", RCS_TOK_STRICT, 0, 0, },
213: { "symbols", RCS_TOK_SYMBOLS, 0, 0 },
214: { "text", RCS_TOK_TEXT, RCS_TOK_STRING, RCS_NOSCOL },
215: };
216:
1.57 xsa 217: #define RCS_NKEYS (sizeof(rcs_keys)/sizeof(rcs_keys[0]))
1.1 jfb 218:
1.33 jfb 219: /*
220: * Keyword expansion table
221: */
1.63 joris 222: #define RCS_KW_AUTHOR 0x1000
223: #define RCS_KW_DATE 0x2000
224: #define RCS_KW_LOG 0x4000
225: #define RCS_KW_NAME 0x8000
226: #define RCS_KW_RCSFILE 0x0100
227: #define RCS_KW_REVISION 0x0200
228: #define RCS_KW_SOURCE 0x0400
229: #define RCS_KW_STATE 0x0800
230: #define RCS_KW_FULLPATH 0x0010
231:
232: #define RCS_KW_ID \
233: (RCS_KW_RCSFILE | RCS_KW_REVISION | RCS_KW_DATE \
234: | RCS_KW_AUTHOR | RCS_KW_STATE)
235:
236: #define RCS_KW_HEADER (RCS_KW_ID | RCS_KW_FULLPATH)
237:
1.33 jfb 238: static struct rcs_kw {
1.57 xsa 239: char kw_str[16];
1.63 joris 240: int kw_type;
1.33 jfb 241: } rcs_expkw[] = {
1.63 joris 242: { "Author", RCS_KW_AUTHOR },
243: { "Date", RCS_KW_DATE },
244: { "Header", RCS_KW_HEADER },
245: { "Id", RCS_KW_ID },
246: { "Log", RCS_KW_LOG },
247: { "Name", RCS_KW_NAME },
248: { "RCSfile", RCS_KW_RCSFILE },
249: { "Revision", RCS_KW_REVISION },
250: { "Source", RCS_KW_SOURCE },
251: { "State", RCS_KW_STATE },
1.33 jfb 252: };
1.63 joris 253:
254: #define RCS_NKWORDS (sizeof(rcs_expkw)/sizeof(rcs_expkw[0]))
1.33 jfb 255:
1.32 jfb 256: static const char *rcs_errstrs[] = {
257: "No error",
258: "No such entry",
259: "Duplicate entry found",
260: "Bad RCS number",
1.48 jfb 261: "Invalid RCS symbol",
262: "Parse error",
1.32 jfb 263: };
264:
265: #define RCS_NERR (sizeof(rcs_errstrs)/sizeof(rcs_errstrs[0]))
266:
267:
268: int rcs_errno = RCS_ERR_NOERR;
269:
1.1 jfb 270:
1.57 xsa 271: static int rcs_write(RCSFILE *);
272: static int rcs_parse(RCSFILE *);
273: static int rcs_parse_admin(RCSFILE *);
274: static int rcs_parse_delta(RCSFILE *);
275: static int rcs_parse_deltatext(RCSFILE *);
276:
277: static int rcs_parse_access(RCSFILE *);
278: static int rcs_parse_symbols(RCSFILE *);
279: static int rcs_parse_locks(RCSFILE *);
280: static int rcs_parse_branches(RCSFILE *, struct rcs_delta *);
281: static void rcs_freedelta(struct rcs_delta *);
282: static void rcs_freepdata(struct rcs_pdata *);
283: static int rcs_gettok(RCSFILE *);
284: static int rcs_pushtok(RCSFILE *, const char *, int);
285: static int rcs_growbuf(RCSFILE *);
286: static int rcs_strprint(const u_char *, size_t, FILE *);
287:
1.63 joris 288: static int rcs_expand_keywords(char *, struct rcs_delta *, char *, char *,
289: size_t, int);
1.26 jfb 290:
1.1 jfb 291: /*
292: * rcs_open()
293: *
294: * Open a file containing RCS-formatted information. The file's path is
1.26 jfb 295: * given in <path>, and the opening flags are given in <flags>, which is either
296: * RCS_READ, RCS_WRITE, or RCS_RDWR. If the open requests write access and
297: * the file does not exist, the RCS_CREATE flag must also be given, in which
298: * case it will be created with the mode specified in a third argument of
299: * type mode_t. If the file exists and RCS_CREATE is passed, the open will
300: * fail.
1.1 jfb 301: * Returns a handle to the opened file on success, or NULL on failure.
302: */
1.60 xsa 303: RCSFILE *
1.26 jfb 304: rcs_open(const char *path, int flags, ...)
1.1 jfb 305: {
1.26 jfb 306: int ret;
307: mode_t fmode;
1.1 jfb 308: RCSFILE *rfp;
309: struct stat st;
1.26 jfb 310: va_list vap;
1.109 ! joris 311: struct rcs_delta *rdp;
! 312: struct rcs_lock *lkr;
1.26 jfb 313:
314: fmode = 0;
315: flags &= 0xffff; /* ditch any internal flags */
1.1 jfb 316:
1.26 jfb 317: if (((ret = stat(path, &st)) == -1) && (errno == ENOENT)) {
318: if (flags & RCS_CREATE) {
319: va_start(vap, flags);
320: fmode = va_arg(vap, mode_t);
321: va_end(vap);
322: } else {
1.105 joris 323: /* XXX, make this command dependant? */
324: #if 0
1.26 jfb 325: cvs_log(LP_ERR, "RCS file `%s' does not exist", path);
1.105 joris 326: #endif
1.26 jfb 327: return (NULL);
328: }
329: } else if ((ret == 0) && (flags & RCS_CREATE)) {
330: cvs_log(LP_ERR, "RCS file `%s' exists", path);
1.1 jfb 331: return (NULL);
332: }
333:
1.26 jfb 334: if ((rfp = (RCSFILE *)malloc(sizeof(*rfp))) == NULL) {
1.1 jfb 335: cvs_log(LP_ERRNO, "failed to allocate RCS file structure");
1.50 jfb 336: rcs_errno = RCS_ERR_ERRNO;
1.1 jfb 337: return (NULL);
338: }
339: memset(rfp, 0, sizeof(*rfp));
340:
1.26 jfb 341: if ((rfp->rf_path = strdup(path)) == NULL) {
1.50 jfb 342: rcs_errno = RCS_ERR_ERRNO;
1.1 jfb 343: cvs_log(LP_ERRNO, "failed to duplicate RCS file path");
1.26 jfb 344: free(rfp);
1.1 jfb 345: return (NULL);
346: }
347:
348: rfp->rf_ref = 1;
1.26 jfb 349: rfp->rf_flags = flags | RCS_SLOCK;
350: rfp->rf_mode = fmode;
1.1 jfb 351:
352: TAILQ_INIT(&(rfp->rf_delta));
1.29 jfb 353: TAILQ_INIT(&(rfp->rf_access));
1.1 jfb 354: TAILQ_INIT(&(rfp->rf_symbols));
355: TAILQ_INIT(&(rfp->rf_locks));
356:
1.26 jfb 357: if (rfp->rf_flags & RCS_CREATE) {
358: } else if (rcs_parse(rfp) < 0) {
1.1 jfb 359: rcs_close(rfp);
360: return (NULL);
361: }
362:
1.109 ! joris 363: /* fill in rd_locker */
! 364: TAILQ_FOREACH(lkr, &(rfp->rf_locks), rl_list) {
! 365: if ((rdp = rcs_findrev(rfp, lkr->rl_num)) == NULL) {
! 366: rcs_close(rfp);
! 367: return (NULL);
! 368: }
! 369:
! 370: rdp->rd_locker = strdup(lkr->rl_name);
! 371: if (rdp->rd_locker == NULL) {
! 372: rcs_close(rfp);
! 373: return (NULL);
! 374: }
! 375: }
! 376:
1.1 jfb 377: return (rfp);
378: }
379:
380: /*
381: * rcs_close()
382: *
383: * Close an RCS file handle.
384: */
385: void
386: rcs_close(RCSFILE *rfp)
387: {
388: struct rcs_delta *rdp;
1.71 moritz 389: struct rcs_access *rap;
1.13 jfb 390: struct rcs_lock *rlp;
391: struct rcs_sym *rsp;
1.1 jfb 392:
393: if (rfp->rf_ref > 1) {
394: rfp->rf_ref--;
395: return;
396: }
397:
1.26 jfb 398: if ((rfp->rf_flags & RCS_WRITE) && !(rfp->rf_flags & RCS_SYNCED))
399: rcs_write(rfp);
400:
1.1 jfb 401: while (!TAILQ_EMPTY(&(rfp->rf_delta))) {
402: rdp = TAILQ_FIRST(&(rfp->rf_delta));
403: TAILQ_REMOVE(&(rfp->rf_delta), rdp, rd_list);
404: rcs_freedelta(rdp);
1.71 moritz 405: }
406:
407: while (!TAILQ_EMPTY(&(rfp->rf_access))) {
408: rap = TAILQ_FIRST(&(rfp->rf_access));
409: TAILQ_REMOVE(&(rfp->rf_access), rap, ra_list);
1.99 niallo 410: free(rap->ra_name);
1.71 moritz 411: free(rap);
1.1 jfb 412: }
413:
1.13 jfb 414: while (!TAILQ_EMPTY(&(rfp->rf_symbols))) {
415: rsp = TAILQ_FIRST(&(rfp->rf_symbols));
416: TAILQ_REMOVE(&(rfp->rf_symbols), rsp, rs_list);
417: rcsnum_free(rsp->rs_num);
1.99 niallo 418: free(rsp->rs_name);
1.13 jfb 419: free(rsp);
420: }
421:
422: while (!TAILQ_EMPTY(&(rfp->rf_locks))) {
423: rlp = TAILQ_FIRST(&(rfp->rf_locks));
424: TAILQ_REMOVE(&(rfp->rf_locks), rlp, rl_list);
425: rcsnum_free(rlp->rl_num);
1.99 niallo 426: free(rlp->rl_name);
1.13 jfb 427: free(rlp);
428: }
429:
1.1 jfb 430: if (rfp->rf_head != NULL)
431: rcsnum_free(rfp->rf_head);
1.11 joris 432: if (rfp->rf_branch != NULL)
433: rcsnum_free(rfp->rf_branch);
1.1 jfb 434:
435: if (rfp->rf_path != NULL)
436: free(rfp->rf_path);
437: if (rfp->rf_comment != NULL)
1.99 niallo 438: free(rfp->rf_comment);
1.1 jfb 439: if (rfp->rf_expand != NULL)
1.99 niallo 440: free(rfp->rf_expand);
1.1 jfb 441: if (rfp->rf_desc != NULL)
1.99 niallo 442: free(rfp->rf_desc);
1.1 jfb 443: free(rfp);
444: }
445:
446: /*
447: * rcs_write()
448: *
449: * Write the contents of the RCS file handle <rfp> to disk in the file whose
450: * path is in <rf_path>.
451: * Returns 0 on success, or -1 on failure.
452: */
1.27 jfb 453: static int
1.1 jfb 454: rcs_write(RCSFILE *rfp)
455: {
456: FILE *fp;
1.72 niallo 457: char buf[1024], numbuf[64], fn[19] = "";
458: void *bp;
1.29 jfb 459: struct rcs_access *ap;
1.1 jfb 460: struct rcs_sym *symp;
1.46 jfb 461: struct rcs_branch *brp;
1.1 jfb 462: struct rcs_delta *rdp;
1.75 joris 463: struct rcs_lock *lkp;
1.72 niallo 464: ssize_t nread;
1.100 xsa 465: size_t len;
1.72 niallo 466: int fd, from_fd, to_fd;
1.75 joris 467:
1.72 niallo 468: from_fd = to_fd = fd = -1;
1.1 jfb 469:
1.28 jfb 470: if (rfp->rf_flags & RCS_SYNCED)
1.1 jfb 471: return (0);
472:
1.72 niallo 473: strlcpy(fn, "/tmp/rcs.XXXXXXXXXX", sizeof(fn));
474: if ((fd = mkstemp(fn)) == -1 ||
475: (fp = fdopen(fd, "w+")) == NULL) {
476: if (fd != -1) {
477: unlink(fn);
478: close(fd);
479: }
1.50 jfb 480: rcs_errno = RCS_ERR_ERRNO;
1.72 niallo 481: cvs_log(LP_ERRNO, "failed to open temp RCS output file `%s'",
482: fn);
1.1 jfb 483: return (-1);
484: }
485:
1.28 jfb 486: if (rfp->rf_head != NULL)
487: rcsnum_tostr(rfp->rf_head, numbuf, sizeof(numbuf));
488: else
489: numbuf[0] = '\0';
490:
1.1 jfb 491: fprintf(fp, "head\t%s;\n", numbuf);
1.35 jfb 492:
493: if (rfp->rf_branch != NULL) {
494: rcsnum_tostr(rfp->rf_branch, numbuf, sizeof(numbuf));
495: fprintf(fp, "branch\t%s;\n", numbuf);
496: }
497:
1.29 jfb 498: fputs("access", fp);
499: TAILQ_FOREACH(ap, &(rfp->rf_access), ra_list) {
500: fprintf(fp, "\n\t%s", ap->ra_name);
501: }
502: fputs(";\n", fp);
1.1 jfb 503:
1.85 joris 504: fprintf(fp, "symbols");
1.1 jfb 505: TAILQ_FOREACH(symp, &(rfp->rf_symbols), rs_list) {
506: rcsnum_tostr(symp->rs_num, numbuf, sizeof(numbuf));
507: snprintf(buf, sizeof(buf), "%s:%s", symp->rs_name, numbuf);
1.85 joris 508: fprintf(fp, "\n\t%s", buf);
1.1 jfb 509: }
510: fprintf(fp, ";\n");
511:
1.75 joris 512: fprintf(fp, "locks");
513: TAILQ_FOREACH(lkp, &(rfp->rf_locks), rl_list) {
514: rcsnum_tostr(lkp->rl_num, numbuf, sizeof(numbuf));
515: fprintf(fp, "\n\t%s:%s", lkp->rl_name, numbuf);
516: }
517:
518: fprintf(fp, ";");
1.1 jfb 519:
1.26 jfb 520: if (rfp->rf_flags & RCS_SLOCK)
1.1 jfb 521: fprintf(fp, " strict;");
522: fputc('\n', fp);
523:
1.42 jfb 524: if (rfp->rf_comment != NULL) {
525: fputs("comment\t@", fp);
1.58 xsa 526: rcs_strprint((const u_char *)rfp->rf_comment,
527: strlen(rfp->rf_comment), fp);
1.42 jfb 528: fputs("@;\n", fp);
529: }
1.1 jfb 530:
1.42 jfb 531: if (rfp->rf_expand != NULL) {
532: fputs("expand @", fp);
1.58 xsa 533: rcs_strprint((const u_char *)rfp->rf_expand,
534: strlen(rfp->rf_expand), fp);
1.42 jfb 535: fputs("@;\n", fp);
536: }
1.1 jfb 537:
1.46 jfb 538: fputs("\n\n", fp);
1.1 jfb 539:
540: TAILQ_FOREACH(rdp, &(rfp->rf_delta), rd_list) {
541: fprintf(fp, "%s\n", rcsnum_tostr(rdp->rd_num, numbuf,
542: sizeof(numbuf)));
543: fprintf(fp, "date\t%d.%02d.%02d.%02d.%02d.%02d;",
1.44 jfb 544: rdp->rd_date.tm_year + 1900, rdp->rd_date.tm_mon + 1,
1.1 jfb 545: rdp->rd_date.tm_mday, rdp->rd_date.tm_hour,
546: rdp->rd_date.tm_min, rdp->rd_date.tm_sec);
547: fprintf(fp, "\tauthor %s;\tstate %s;\n",
548: rdp->rd_author, rdp->rd_state);
1.46 jfb 549: fputs("branches", fp);
550: TAILQ_FOREACH(brp, &(rdp->rd_branches), rb_list) {
551: fprintf(fp, " %s", rcsnum_tostr(brp->rb_num, numbuf,
552: sizeof(numbuf)));
553: }
554: fputs(";\n", fp);
1.1 jfb 555: fprintf(fp, "next\t%s;\n\n", rcsnum_tostr(rdp->rd_next,
556: numbuf, sizeof(numbuf)));
557: }
558:
1.42 jfb 559: fputs("\ndesc\n@", fp);
1.100 xsa 560: if (rfp->rf_desc != NULL) {
561: len = strlen(rfp->rf_desc);
562: rcs_strprint((const u_char *)rfp->rf_desc, len, fp);
563: if (rfp->rf_desc[len-1] != '\n')
564: fputc('\n', fp);
565: }
566: fputs("@\n", fp);
1.1 jfb 567:
568: /* deltatexts */
569: TAILQ_FOREACH(rdp, &(rfp->rf_delta), rd_list) {
1.100 xsa 570: fprintf(fp, "\n\n%s\n", rcsnum_tostr(rdp->rd_num, numbuf,
1.1 jfb 571: sizeof(numbuf)));
1.42 jfb 572: fputs("log\n@", fp);
1.100 xsa 573: if (rdp->rd_log != NULL) {
574: len = strlen(rdp->rd_log);
575: rcs_strprint((const u_char *)rdp->rd_log, len, fp);
576: if (rdp->rd_log[len-1] != '\n')
577: fputc('\n', fp);
578: }
1.42 jfb 579: fputs("@\ntext\n@", fp);
1.100 xsa 580: if (rdp->rd_text != NULL) {
581: rcs_strprint(rdp->rd_text, rdp->rd_tlen, fp);
1.103 joris 582:
583: if (rdp->rd_tlen != 0) {
584: if (rdp->rd_text[rdp->rd_tlen-1] != '\n')
585: fputc('\n', fp);
586: }
1.100 xsa 587: }
588: fputs("@\n", fp);
1.1 jfb 589: }
590: fclose(fp);
1.73 joris 591:
1.72 niallo 592: /*
593: * We try to use rename() to atomically put the new file in place.
594: * If that fails, we try a copy.
595: */
596: if (rename(fn, rfp->rf_path) == -1) {
597: if (errno == EXDEV) {
598: /* rename() not supported so we have to copy. */
599: if ((chmod(rfp->rf_path, S_IWUSR) == -1)
600: && !(rfp->rf_flags & RCS_CREATE)) {
601: cvs_log(LP_ERRNO, "failed to chmod `%s'",
602: rfp->rf_path);
603: return (-1);
604: }
1.73 joris 605:
1.72 niallo 606: if ((from_fd = open(fn, O_RDONLY)) == -1) {
607: cvs_log(LP_ERRNO, "failed to open `%s'",
608: rfp->rf_path);
609: return (-1);
610: }
1.73 joris 611:
1.80 reyk 612: if ((to_fd = open(rfp->rf_path,
613: O_WRONLY|O_TRUNC|O_CREAT)) == -1) {
1.73 joris 614: cvs_log(LP_ERRNO, "failed to open `%s'", fn);
1.72 niallo 615: close(from_fd);
616: return (-1);
617: }
1.73 joris 618:
1.72 niallo 619: if ((bp = malloc(MAXBSIZE)) == NULL) {
1.73 joris 620: cvs_log(LP_ERRNO, "failed to allocate memory");
1.72 niallo 621: close(from_fd);
622: close(to_fd);
623: return (-1);
624: }
1.73 joris 625:
1.72 niallo 626: while ((nread = read(from_fd, bp, MAXBSIZE)) > 0) {
627: if (write(to_fd, bp, nread) != nread)
628: goto err;
629: }
1.73 joris 630:
1.72 niallo 631: if (nread < 0) {
632: err: if (unlink(rfp->rf_path) == -1)
633: cvs_log(LP_ERRNO,
634: "failed to unlink `%s'",
635: rfp->rf_path);
636: close(from_fd);
637: close(to_fd);
638: free(bp);
639: return (-1);
640: }
1.73 joris 641:
1.72 niallo 642: close(from_fd);
643: close(to_fd);
644: free(bp);
1.73 joris 645:
1.72 niallo 646: if (unlink(fn) == -1) {
647: cvs_log(LP_ERRNO,
1.73 joris 648: "failed to unlink `%s'", fn);
1.72 niallo 649: return (-1);
650: }
651: } else {
652: cvs_log(LP_ERRNO,
653: "failed to access temp RCS output file");
654: return (-1);
655: }
656: }
1.73 joris 657:
1.72 niallo 658: if ((chmod(rfp->rf_path, S_IRUSR|S_IRGRP|S_IROTH) == -1)) {
659: cvs_log(LP_ERRNO, "failed to chmod `%s'",
660: rfp->rf_path);
661: return (-1);
662: }
1.73 joris 663:
1.26 jfb 664: rfp->rf_flags |= RCS_SYNCED;
1.1 jfb 665:
666: return (0);
667: }
668:
669: /*
1.43 jfb 670: * rcs_head_get()
671: *
672: * Retrieve the revision number of the head revision for the RCS file <file>.
673: */
1.60 xsa 674: const RCSNUM *
1.43 jfb 675: rcs_head_get(RCSFILE *file)
676: {
677: return (file->rf_head);
678: }
679:
680: /*
681: * rcs_head_set()
682: *
683: * Set the revision number of the head revision for the RCS file <file> to
684: * <rev>, which must reference a valid revision within the file.
685: */
686: int
687: rcs_head_set(RCSFILE *file, const RCSNUM *rev)
688: {
689: struct rcs_delta *rd;
690:
691: if ((rd = rcs_findrev(file, rev)) == NULL)
692: return (-1);
693:
1.52 jfb 694: if ((file->rf_head == NULL) &&
695: ((file->rf_head = rcsnum_alloc()) == NULL))
696: return (-1);
697:
1.43 jfb 698: if (rcsnum_cpy(rev, file->rf_head, 0) < 0)
699: return (-1);
700:
1.70 moritz 701: file->rf_flags &= ~RCS_SYNCED;
1.43 jfb 702: return (0);
703: }
704:
705:
706: /*
1.35 jfb 707: * rcs_branch_get()
708: *
709: * Retrieve the default branch number for the RCS file <file>.
710: * Returns the number on success. If NULL is returned, then there is no
711: * default branch for this file.
712: */
1.60 xsa 713: const RCSNUM *
1.35 jfb 714: rcs_branch_get(RCSFILE *file)
715: {
716: return (file->rf_branch);
717: }
718:
719: /*
720: * rcs_branch_set()
721: *
722: * Set the default branch for the RCS file <file> to <bnum>.
723: * Returns 0 on success, -1 on failure.
724: */
725: int
726: rcs_branch_set(RCSFILE *file, const RCSNUM *bnum)
727: {
728: if ((file->rf_branch == NULL) &&
729: ((file->rf_branch = rcsnum_alloc()) == NULL))
730: return (-1);
731:
732: if (rcsnum_cpy(bnum, file->rf_branch, 0) < 0) {
733: rcsnum_free(file->rf_branch);
734: file->rf_branch = NULL;
735: return (-1);
736: }
737:
1.70 moritz 738: file->rf_flags &= ~RCS_SYNCED;
1.35 jfb 739: return (0);
740: }
741:
742: /*
1.29 jfb 743: * rcs_access_add()
744: *
745: * Add the login name <login> to the access list for the RCS file <file>.
746: * Returns 0 on success, or -1 on failure.
747: */
748: int
749: rcs_access_add(RCSFILE *file, const char *login)
750: {
751: struct rcs_access *ap;
752:
753: /* first look for duplication */
754: TAILQ_FOREACH(ap, &(file->rf_access), ra_list) {
755: if (strcmp(ap->ra_name, login) == 0) {
1.32 jfb 756: rcs_errno = RCS_ERR_DUPENT;
1.29 jfb 757: return (-1);
758: }
759: }
760:
761: ap = (struct rcs_access *)malloc(sizeof(*ap));
762: if (ap == NULL) {
1.50 jfb 763: rcs_errno = RCS_ERR_ERRNO;
1.29 jfb 764: cvs_log(LP_ERRNO, "failed to allocate RCS access entry");
765: return (-1);
766: }
767:
1.99 niallo 768: ap->ra_name = strdup(login);
1.29 jfb 769: if (ap->ra_name == NULL) {
770: cvs_log(LP_ERRNO, "failed to duplicate user name");
771: free(ap);
772: return (-1);
773: }
774:
775: TAILQ_INSERT_TAIL(&(file->rf_access), ap, ra_list);
776:
777: /* not synced anymore */
778: file->rf_flags &= ~RCS_SYNCED;
779: return (0);
780: }
781:
782: /*
783: * rcs_access_remove()
784: *
785: * Remove an entry with login name <login> from the access list of the RCS
786: * file <file>.
787: * Returns 0 on success, or -1 on failure.
788: */
789: int
790: rcs_access_remove(RCSFILE *file, const char *login)
791: {
792: struct rcs_access *ap;
793:
794: TAILQ_FOREACH(ap, &(file->rf_access), ra_list)
795: if (strcmp(ap->ra_name, login) == 0)
796: break;
797:
798: if (ap == NULL) {
1.32 jfb 799: rcs_errno = RCS_ERR_NOENT;
1.29 jfb 800: return (-1);
801: }
802:
803: TAILQ_REMOVE(&(file->rf_access), ap, ra_list);
1.99 niallo 804: free(ap->ra_name);
1.29 jfb 805: free(ap);
806:
807: /* not synced anymore */
808: file->rf_flags &= ~RCS_SYNCED;
809: return (0);
810: }
811:
812: /*
1.26 jfb 813: * rcs_sym_add()
1.1 jfb 814: *
815: * Add a symbol to the list of symbols for the RCS file <rfp>. The new symbol
816: * is named <sym> and is bound to the RCS revision <snum>.
817: * Returns 0 on success, or -1 on failure.
818: */
819: int
1.26 jfb 820: rcs_sym_add(RCSFILE *rfp, const char *sym, RCSNUM *snum)
1.1 jfb 821: {
822: struct rcs_sym *symp;
823:
1.47 jfb 824: if (!rcs_sym_check(sym)) {
825: rcs_errno = RCS_ERR_BADSYM;
1.69 moritz 826: return (-1);
1.47 jfb 827: }
828:
1.1 jfb 829: /* first look for duplication */
830: TAILQ_FOREACH(symp, &(rfp->rf_symbols), rs_list) {
831: if (strcmp(symp->rs_name, sym) == 0) {
1.32 jfb 832: rcs_errno = RCS_ERR_DUPENT;
1.1 jfb 833: return (-1);
834: }
835: }
836:
1.50 jfb 837: if ((symp = (struct rcs_sym *)malloc(sizeof(*symp))) == NULL) {
838: rcs_errno = RCS_ERR_ERRNO;
1.1 jfb 839: cvs_log(LP_ERRNO, "failed to allocate RCS symbol");
840: return (-1);
841: }
842:
1.99 niallo 843: if ((symp->rs_name = strdup(sym)) == NULL) {
1.50 jfb 844: rcs_errno = RCS_ERR_ERRNO;
1.10 joris 845: cvs_log(LP_ERRNO, "failed to duplicate symbol");
846: free(symp);
847: return (-1);
848: }
849:
1.50 jfb 850: if ((symp->rs_num = rcsnum_alloc()) == NULL) {
1.99 niallo 851: free(symp->rs_name);
1.11 joris 852: free(symp);
853: return (-1);
854: }
1.1 jfb 855: rcsnum_cpy(snum, symp->rs_num, 0);
856:
857: TAILQ_INSERT_HEAD(&(rfp->rf_symbols), symp, rs_list);
858:
859: /* not synced anymore */
1.26 jfb 860: rfp->rf_flags &= ~RCS_SYNCED;
1.1 jfb 861: return (0);
862: }
863:
864: /*
1.27 jfb 865: * rcs_sym_remove()
866: *
867: * Remove the symbol with name <sym> from the symbol list for the RCS file
868: * <file>. If no such symbol is found, the call fails and returns with an
869: * error.
870: * Returns 0 on success, or -1 on failure.
871: */
872: int
873: rcs_sym_remove(RCSFILE *file, const char *sym)
874: {
875: struct rcs_sym *symp;
876:
1.47 jfb 877: if (!rcs_sym_check(sym)) {
878: rcs_errno = RCS_ERR_BADSYM;
1.69 moritz 879: return (-1);
1.47 jfb 880: }
881:
1.27 jfb 882: TAILQ_FOREACH(symp, &(file->rf_symbols), rs_list)
883: if (strcmp(symp->rs_name, sym) == 0)
884: break;
885:
886: if (symp == NULL) {
1.32 jfb 887: rcs_errno = RCS_ERR_NOENT;
1.27 jfb 888: return (-1);
889: }
890:
891: TAILQ_REMOVE(&(file->rf_symbols), symp, rs_list);
1.99 niallo 892: free(symp->rs_name);
1.27 jfb 893: rcsnum_free(symp->rs_num);
894: free(symp);
895:
896: /* not synced anymore */
897: file->rf_flags &= ~RCS_SYNCED;
898: return (0);
899: }
900:
901: /*
902: * rcs_sym_getrev()
903: *
904: * Retrieve the RCS revision number associated with the symbol <sym> for the
905: * RCS file <file>. The returned value is a dynamically-allocated copy and
906: * should be freed by the caller once they are done with it.
907: * Returns the RCSNUM on success, or NULL on failure.
908: */
1.60 xsa 909: RCSNUM *
1.27 jfb 910: rcs_sym_getrev(RCSFILE *file, const char *sym)
911: {
912: RCSNUM *num;
913: struct rcs_sym *symp;
914:
1.47 jfb 915: if (!rcs_sym_check(sym)) {
916: rcs_errno = RCS_ERR_BADSYM;
917: return (NULL);
918: }
919:
1.27 jfb 920: num = NULL;
921: TAILQ_FOREACH(symp, &(file->rf_symbols), rs_list)
922: if (strcmp(symp->rs_name, sym) == 0)
923: break;
924:
1.36 jfb 925: if (symp == NULL)
926: rcs_errno = RCS_ERR_NOENT;
927: else if (((num = rcsnum_alloc()) != NULL) &&
1.27 jfb 928: (rcsnum_cpy(symp->rs_num, num, 0) < 0)) {
929: rcsnum_free(num);
930: num = NULL;
931: }
932:
933: return (num);
1.47 jfb 934: }
935:
936: /*
937: * rcs_sym_check()
938: *
939: * Check the RCS symbol name <sym> for any unsupported characters.
940: * Returns 1 if the tag is correct, 0 if it isn't valid.
941: */
942: int
943: rcs_sym_check(const char *sym)
944: {
945: int ret;
946: const char *cp;
947:
948: ret = 1;
949: cp = sym;
950: if (!isalpha(*cp++))
951: return (0);
952:
953: for (; *cp != '\0'; cp++)
954: if (!isgraph(*cp) || (strchr(rcs_sym_invch, *cp) != NULL)) {
955: ret = 0;
956: break;
957: }
958:
959: return (ret);
1.30 jfb 960: }
961:
962: /*
963: * rcs_lock_getmode()
964: *
965: * Retrieve the locking mode of the RCS file <file>.
966: */
967: int
968: rcs_lock_getmode(RCSFILE *file)
969: {
970: return (file->rf_flags & RCS_SLOCK) ? RCS_LOCK_STRICT : RCS_LOCK_LOOSE;
971: }
972:
973: /*
974: * rcs_lock_setmode()
975: *
976: * Set the locking mode of the RCS file <file> to <mode>, which must either
977: * be RCS_LOCK_LOOSE or RCS_LOCK_STRICT.
978: * Returns the previous mode on success, or -1 on failure.
979: */
980: int
981: rcs_lock_setmode(RCSFILE *file, int mode)
982: {
983: int pmode;
984: pmode = rcs_lock_getmode(file);
985:
986: if (mode == RCS_LOCK_STRICT)
987: file->rf_flags |= RCS_SLOCK;
988: else if (mode == RCS_LOCK_LOOSE)
989: file->rf_flags &= ~RCS_SLOCK;
990: else {
991: cvs_log(LP_ERRNO, "invalid lock mode %d", mode);
992: return (-1);
993: }
994:
1.70 moritz 995: file->rf_flags &= ~RCS_SYNCED;
1.30 jfb 996: return (pmode);
1.27 jfb 997: }
998:
999: /*
1.40 jfb 1000: * rcs_lock_add()
1001: *
1002: * Add an RCS lock for the user <user> on revision <rev>.
1003: * Returns 0 on success, or -1 on failure.
1004: */
1005: int
1006: rcs_lock_add(RCSFILE *file, const char *user, RCSNUM *rev)
1007: {
1008: struct rcs_lock *lkp;
1009:
1010: /* first look for duplication */
1011: TAILQ_FOREACH(lkp, &(file->rf_locks), rl_list) {
1.109 ! joris 1012: if ((strcmp(lkp->rl_name, user) == 0) &&
! 1013: (rcsnum_cmp(rev, lkp->rl_num, 0) == 0)) {
1.40 jfb 1014: rcs_errno = RCS_ERR_DUPENT;
1015: return (-1);
1016: }
1017: }
1018:
1.50 jfb 1019: if ((lkp = (struct rcs_lock *)malloc(sizeof(*lkp))) == NULL) {
1020: rcs_errno = RCS_ERR_ERRNO;
1.40 jfb 1021: cvs_log(LP_ERRNO, "failed to allocate RCS lock");
1022: return (-1);
1023: }
1024:
1.99 niallo 1025: lkp->rl_name = strdup(user);
1.40 jfb 1026: if (lkp->rl_name == NULL) {
1027: cvs_log(LP_ERRNO, "failed to duplicate user name");
1028: free(lkp);
1029: return (-1);
1030: }
1.68 moritz 1031:
1032: if ((lkp->rl_num = rcsnum_alloc()) == NULL) {
1.99 niallo 1033: free(lkp->rl_name);
1.68 moritz 1034: free(lkp);
1035: return (-1);
1036: }
1037: rcsnum_cpy(rev, lkp->rl_num, 0);
1.40 jfb 1038:
1039: TAILQ_INSERT_TAIL(&(file->rf_locks), lkp, rl_list);
1040:
1041: /* not synced anymore */
1042: file->rf_flags &= ~RCS_SYNCED;
1043: return (0);
1044:
1045:
1046: }
1047:
1048:
1049: /*
1050: * rcs_lock_remove()
1051: *
1052: * Remove the RCS lock on revision <rev>.
1053: * Returns 0 on success, or -1 on failure.
1054: */
1055: int
1.109 ! joris 1056: rcs_lock_remove(RCSFILE *file, const char *user, RCSNUM *rev)
1.40 jfb 1057: {
1058: struct rcs_lock *lkp;
1059:
1.109 ! joris 1060: TAILQ_FOREACH(lkp, &(file->rf_locks), rl_list) {
! 1061: if ((strcmp(lkp->rl_name, user) == 0) &&
! 1062: (rcsnum_cmp(lkp->rl_num, rev, 0) == 0))
1.40 jfb 1063: break;
1.109 ! joris 1064: }
1.40 jfb 1065:
1066: if (lkp == NULL) {
1067: rcs_errno = RCS_ERR_NOENT;
1068: return (-1);
1069: }
1070:
1071: TAILQ_REMOVE(&(file->rf_locks), lkp, rl_list);
1072: rcsnum_free(lkp->rl_num);
1.99 niallo 1073: free(lkp->rl_name);
1.40 jfb 1074: free(lkp);
1075:
1076: /* not synced anymore */
1077: file->rf_flags &= ~RCS_SYNCED;
1078: return (0);
1079: }
1080:
1081: /*
1.27 jfb 1082: * rcs_desc_get()
1083: *
1084: * Retrieve the description for the RCS file <file>.
1085: */
1.57 xsa 1086: const char *
1.27 jfb 1087: rcs_desc_get(RCSFILE *file)
1088: {
1089: return (file->rf_desc);
1090: }
1091:
1092: /*
1093: * rcs_desc_set()
1094: *
1095: * Set the description for the RCS file <file>.
1096: * Returns 0 on success, or -1 on failure.
1097: */
1098: int
1099: rcs_desc_set(RCSFILE *file, const char *desc)
1100: {
1101: char *tmp;
1102:
1.99 niallo 1103: if ((tmp = strdup(desc)) == NULL)
1.27 jfb 1104: return (-1);
1105:
1106: if (file->rf_desc != NULL)
1.99 niallo 1107: free(file->rf_desc);
1.27 jfb 1108: file->rf_desc = tmp;
1109: file->rf_flags &= ~RCS_SYNCED;
1110:
1111: return (0);
1.51 jfb 1112: }
1113:
1114: /*
1115: * rcs_comment_lookup()
1116: *
1117: * Lookup the assumed comment leader based on a file's suffix.
1118: * Returns a pointer to the string on success, or NULL on failure.
1119: */
1.57 xsa 1120: const char *
1.51 jfb 1121: rcs_comment_lookup(const char *filename)
1122: {
1123: int i;
1124: const char *sp;
1125:
1126: if ((sp = strrchr(filename, '.')) == NULL) {
1127: rcs_errno = RCS_ERR_NOENT;
1128: return (NULL);
1129: }
1130: sp++;
1131:
1132: for (i = 0; i < (int)NB_COMTYPES; i++)
1133: if (strcmp(rcs_comments[i].rc_suffix, sp) == 0)
1134: return (rcs_comments[i].rc_cstr);
1135: return (NULL);
1.27 jfb 1136: }
1137:
1.33 jfb 1138: /*
1139: * rcs_comment_get()
1140: *
1141: * Retrieve the comment leader for the RCS file <file>.
1142: */
1.57 xsa 1143: const char *
1.33 jfb 1144: rcs_comment_get(RCSFILE *file)
1145: {
1146: return (file->rf_comment);
1147: }
1148:
1149: /*
1150: * rcs_comment_set()
1151: *
1152: * Set the comment leader for the RCS file <file>.
1153: * Returns 0 on success, or -1 on failure.
1154: */
1155: int
1156: rcs_comment_set(RCSFILE *file, const char *comment)
1157: {
1158: char *tmp;
1159:
1.99 niallo 1160: if ((tmp = strdup(comment)) == NULL)
1.33 jfb 1161: return (-1);
1162:
1163: if (file->rf_comment != NULL)
1.99 niallo 1164: free(file->rf_comment);
1.33 jfb 1165: file->rf_comment = tmp;
1166: file->rf_flags &= ~RCS_SYNCED;
1167:
1168: return (0);
1169: }
1.40 jfb 1170:
1171: /*
1172: * rcs_tag_resolve()
1173: *
1174: * Retrieve the revision number corresponding to the tag <tag> for the RCS
1175: * file <file>.
1176: */
1.60 xsa 1177: RCSNUM *
1.40 jfb 1178: rcs_tag_resolve(RCSFILE *file, const char *tag)
1179: {
1180: RCSNUM *num;
1181:
1182: if ((num = rcsnum_parse(tag)) == NULL) {
1183: num = rcs_sym_getrev(file, tag);
1184: }
1185:
1186: return (num);
1187: }
1188:
1.94 joris 1189: int
1190: rcs_patch_lines(struct cvs_lines *dlines, struct cvs_lines *plines)
1.5 vincent 1191: {
1192: char op, *ep;
1.94 joris 1193: struct cvs_line *lp, *dlp, *ndlp;
1.5 vincent 1194: int i, lineno, nbln;
1.1 jfb 1195:
1.94 joris 1196: dlp = TAILQ_FIRST(&(dlines->l_lines));
1197: lp = TAILQ_FIRST(&(plines->l_lines));
1.1 jfb 1198:
1199: /* skip first bogus line */
1.94 joris 1200: for (lp = TAILQ_NEXT(lp, l_list); lp != NULL;
1201: lp = TAILQ_NEXT(lp, l_list)) {
1202: op = *(lp->l_line);
1203: lineno = (int)strtol((lp->l_line + 1), &ep, 10);
1204: if ((lineno > dlines->l_nblines) || (lineno < 0) ||
1.1 jfb 1205: (*ep != ' ')) {
1206: cvs_log(LP_ERR,
1207: "invalid line specification in RCS patch");
1.61 joris 1208: return (-1);
1.1 jfb 1209: }
1210: ep++;
1211: nbln = (int)strtol(ep, &ep, 10);
1.82 joris 1212: if ((nbln < 0) || (*ep != '\0')) {
1.1 jfb 1213: cvs_log(LP_ERR,
1214: "invalid line number specification in RCS patch");
1.61 joris 1215: return (-1);
1.1 jfb 1216: }
1217:
1218: /* find the appropriate line */
1219: for (;;) {
1220: if (dlp == NULL)
1221: break;
1.94 joris 1222: if (dlp->l_lineno == lineno)
1.1 jfb 1223: break;
1.94 joris 1224: if (dlp->l_lineno > lineno) {
1225: dlp = TAILQ_PREV(dlp, cvs_tqh, l_list);
1226: } else if (dlp->l_lineno < lineno) {
1227: ndlp = TAILQ_NEXT(dlp, l_list);
1228: if (ndlp->l_lineno > lineno)
1.1 jfb 1229: break;
1230: dlp = ndlp;
1231: }
1232: }
1233: if (dlp == NULL) {
1234: cvs_log(LP_ERR,
1235: "can't find referenced line in RCS patch");
1.61 joris 1236: return (-1);
1.1 jfb 1237: }
1238:
1239: if (op == 'd') {
1240: for (i = 0; (i < nbln) && (dlp != NULL); i++) {
1.94 joris 1241: ndlp = TAILQ_NEXT(dlp, l_list);
1242: TAILQ_REMOVE(&(dlines->l_lines), dlp, l_list);
1.1 jfb 1243: dlp = ndlp;
1244: }
1.14 deraadt 1245: } else if (op == 'a') {
1.1 jfb 1246: for (i = 0; i < nbln; i++) {
1247: ndlp = lp;
1.94 joris 1248: lp = TAILQ_NEXT(lp, l_list);
1.1 jfb 1249: if (lp == NULL) {
1250: cvs_log(LP_ERR, "truncated RCS patch");
1.5 vincent 1251: return (-1);
1.1 jfb 1252: }
1.94 joris 1253: TAILQ_REMOVE(&(plines->l_lines), lp, l_list);
1254: TAILQ_INSERT_AFTER(&(dlines->l_lines), dlp,
1255: lp, l_list);
1.1 jfb 1256: dlp = lp;
1257:
1258: /* we don't want lookup to block on those */
1.94 joris 1259: lp->l_lineno = lineno;
1.1 jfb 1260:
1261: lp = ndlp;
1262: }
1.14 deraadt 1263: } else {
1.1 jfb 1264: cvs_log(LP_ERR, "unknown RCS patch operation `%c'", op);
1.5 vincent 1265: return (-1);
1.1 jfb 1266: }
1267:
1268: /* last line of the patch, done */
1.94 joris 1269: if (lp->l_lineno == plines->l_nblines)
1.1 jfb 1270: break;
1271: }
1272:
1273: /* once we're done patching, rebuild the line numbers */
1.2 vincent 1274: lineno = 0;
1.94 joris 1275: TAILQ_FOREACH(lp, &(dlines->l_lines), l_list)
1276: lp->l_lineno = lineno++;
1277: dlines->l_nblines = lineno - 1;
1.1 jfb 1278:
1.5 vincent 1279: return (0);
1.1 jfb 1280: }
1281:
1282: /*
1283: * rcs_getrev()
1284: *
1285: * Get the whole contents of revision <rev> from the RCSFILE <rfp>. The
1.4 vincent 1286: * returned buffer is dynamically allocated and should be released using
1287: * cvs_buf_free() once the caller is done using it.
1.1 jfb 1288: */
1289: BUF*
1.66 joris 1290: rcs_getrev(RCSFILE *rfp, RCSNUM *frev)
1.1 jfb 1291: {
1.63 joris 1292: int expmode, res;
1.1 jfb 1293: size_t len;
1294: void *bp;
1.66 joris 1295: RCSNUM *crev, *rev;
1.65 niallo 1296: BUF *rbuf, *dbuf = NULL;
1.1 jfb 1297: struct rcs_delta *rdp = NULL;
1.94 joris 1298: struct cvs_lines *lines;
1299: struct cvs_line *lp;
1.63 joris 1300: char out[1024]; /* XXX */
1.1 jfb 1301:
1.28 jfb 1302: if (rfp->rf_head == NULL)
1303: return (NULL);
1.66 joris 1304:
1305: if (frev == RCS_HEAD_REV)
1306: rev = rfp->rf_head;
1307: else
1308: rev = frev;
1.28 jfb 1309:
1.1 jfb 1310: res = rcsnum_cmp(rfp->rf_head, rev, 0);
1311: if (res == 1) {
1.32 jfb 1312: rcs_errno = RCS_ERR_NOENT;
1.1 jfb 1313: return (NULL);
1.26 jfb 1314: }
1315:
1316: rdp = rcs_findrev(rfp, rfp->rf_head);
1317: if (rdp == NULL) {
1318: cvs_log(LP_ERR, "failed to get RCS HEAD revision");
1319: return (NULL);
1320: }
1321:
1.45 jfb 1322: len = rdp->rd_tlen;
1.26 jfb 1323: if ((rbuf = cvs_buf_alloc(len, BUF_AUTOEXT)) == NULL)
1324: return (NULL);
1325:
1326: cvs_buf_append(rbuf, rdp->rd_text, len);
1327:
1328: if (res != 0) {
1329: /* Apply patches backwards to get the right version.
1330: * This will need some rework to support sub branches.
1331: */
1332: do {
1.87 joris 1333: crev = rdp->rd_next;
1.26 jfb 1334: rdp = rcs_findrev(rfp, crev);
1335: if (rdp == NULL) {
1336: cvs_buf_free(rbuf);
1337: return (NULL);
1338: }
1.1 jfb 1339:
1.26 jfb 1340: if (cvs_buf_putc(rbuf, '\0') < 0) {
1.17 jfb 1341: cvs_buf_free(rbuf);
1.11 joris 1342: return (NULL);
1.17 jfb 1343: }
1.26 jfb 1344: bp = cvs_buf_release(rbuf);
1.94 joris 1345: rbuf = cvs_patchfile((char *)bp, (char *)rdp->rd_text,
1346: rcs_patch_lines);
1.62 joris 1347: free(bp);
1.26 jfb 1348: if (rbuf == NULL)
1349: break;
1350: } while (rcsnum_cmp(crev, rev, 0) != 0);
1.1 jfb 1351: }
1352:
1.63 joris 1353: /*
1354: * Do keyword expansion if required.
1355: */
1356: if (rfp->rf_expand != NULL)
1357: expmode = rcs_kwexp_get(rfp);
1358: else
1359: expmode = RCS_KWEXP_DEFAULT;
1360:
1361: if ((rbuf != NULL) && !(expmode & RCS_KWEXP_NONE)) {
1362: if ((dbuf = cvs_buf_alloc(len, BUF_AUTOEXT)) == NULL)
1363: return (rbuf);
1364: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
1365: return (rbuf);
1366:
1367: if (cvs_buf_putc(rbuf, '\0') < 0) {
1368: cvs_buf_free(dbuf);
1369: return (rbuf);
1370: }
1371:
1372: bp = cvs_buf_release(rbuf);
1.94 joris 1373: if ((lines = cvs_splitlines((char *)bp)) != NULL) {
1.63 joris 1374: res = 0;
1.94 joris 1375: TAILQ_FOREACH(lp, &lines->l_lines, l_list) {
1.63 joris 1376: if (res++ == 0)
1377: continue;
1378: rcs_expand_keywords(rfp->rf_path, rdp,
1.94 joris 1379: lp->l_line, out, sizeof(out), expmode);
1.63 joris 1380: cvs_buf_fappend(dbuf, "%s\n", out);
1381: }
1.94 joris 1382: cvs_freelines(lines);
1.63 joris 1383: }
1384: free(bp);
1385: }
1386:
1387: return (dbuf);
1.1 jfb 1388: }
1389:
1390: /*
1.52 jfb 1391: * rcs_rev_add()
1392: *
1.53 jfb 1393: * Add a revision to the RCS file <rf>. The new revision's number can be
1394: * specified in <rev> (which can also be RCS_HEAD_REV, in which case the
1395: * new revision will have a number equal to the previous head revision plus
1396: * one). The <msg> argument specifies the log message for that revision, and
1397: * <date> specifies the revision's date (a value of -1 is
1398: * equivalent to using the current time).
1.96 xsa 1399: * If <username> is NULL, set the author for this revision to the current user.
1.90 niallo 1400: * Otherwise, set it to <username>.
1.52 jfb 1401: * Returns 0 on success, or -1 on failure.
1402: */
1403: int
1.90 niallo 1404: rcs_rev_add(RCSFILE *rf, RCSNUM *rev, const char *msg, time_t date,
1405: const char *username)
1.52 jfb 1406: {
1407: time_t now;
1408: struct passwd *pw;
1.83 joris 1409: struct rcs_delta *ordp, *rdp;
1410: RCSNUM *old;
1411:
1412: if ((old = rcsnum_alloc()) == NULL)
1413: return (-1);
1.52 jfb 1414:
1415: if (rev == RCS_HEAD_REV) {
1.101 niallo 1416: if (rf->rf_flags & RCS_CREATE) {
1417: if ((rev = rcsnum_parse(RCS_HEAD_INIT)) == NULL)
1418: return (-1);
1419: if ((rf->rf_head = rcsnum_alloc()) == NULL) {
1420: rcsnum_free(rev);
1421: return (-1);
1422: }
1423: rcsnum_cpy(rev, rf->rf_head, 0);
1424: } else {
1425: rcsnum_cpy(rf->rf_head, old, 0);
1426: rev = rcsnum_inc(rf->rf_head);
1427: }
1.83 joris 1428: } else {
1429: if ((rdp = rcs_findrev(rf, rev)) != NULL) {
1430: rcs_errno = RCS_ERR_DUPENT;
1.92 joris 1431: rcsnum_free(old);
1.83 joris 1432: return (-1);
1433: }
1434:
1.93 joris 1435: if (!(rf->rf_flags & RCS_CREATE)) {
1436: ordp = NULL;
1437: rcsnum_cpy(rev, old, 0);
1438: while (ordp == NULL) {
1439: old = rcsnum_dec(old);
1440: ordp = rcs_findrev(rf, old);
1441: }
1.83 joris 1442: }
1.52 jfb 1443: }
1444:
1445: if ((pw = getpwuid(getuid())) == NULL) {
1446: rcs_errno = RCS_ERR_ERRNO;
1.92 joris 1447: rcsnum_free(old);
1.52 jfb 1448: return (-1);
1449: }
1450:
1451: if ((rdp = (struct rcs_delta *)malloc(sizeof(*rdp))) == NULL) {
1452: rcs_errno = RCS_ERR_ERRNO;
1.92 joris 1453: rcsnum_free(old);
1.52 jfb 1454: return (-1);
1455: }
1456: memset(rdp, 0, sizeof(*rdp));
1457:
1458: TAILQ_INIT(&(rdp->rd_branches));
1459: TAILQ_INIT(&(rdp->rd_snodes));
1460:
1461: if ((rdp->rd_num = rcsnum_alloc()) == NULL) {
1462: rcs_freedelta(rdp);
1.92 joris 1463: rcsnum_free(old);
1.52 jfb 1464: return (-1);
1465: }
1466: rcsnum_cpy(rev, rdp->rd_num, 0);
1.83 joris 1467:
1468: if ((rdp->rd_next = rcsnum_alloc()) == NULL) {
1469: rcs_freedelta(rdp);
1.92 joris 1470: rcsnum_free(old);
1.83 joris 1471: return (-1);
1472: }
1.92 joris 1473:
1.101 niallo 1474: if (!(rf->rf_flags & RCS_CREATE))
1475: rcsnum_cpy(old, rdp->rd_next, 0);
1476:
1.83 joris 1477: rcsnum_free(old);
1.52 jfb 1478:
1.90 niallo 1479: if (username == NULL)
1480: username = pw->pw_name;
1481:
1.99 niallo 1482: if ((rdp->rd_author = strdup(username)) == NULL) {
1.52 jfb 1483: rcs_freedelta(rdp);
1.92 joris 1484: rcsnum_free(old);
1.52 jfb 1485: return (-1);
1486: }
1487:
1.99 niallo 1488: if ((rdp->rd_state = strdup(RCS_STATE_EXP)) == NULL) {
1.52 jfb 1489: rcs_freedelta(rdp);
1.92 joris 1490: rcsnum_free(old);
1.52 jfb 1491: return (-1);
1492: }
1493:
1.99 niallo 1494: if ((rdp->rd_log = strdup(msg)) == NULL) {
1.52 jfb 1495: rcs_errno = RCS_ERR_ERRNO;
1496: rcs_freedelta(rdp);
1.92 joris 1497: rcsnum_free(old);
1.52 jfb 1498: return (-1);
1499: }
1500:
1.53 jfb 1501: if (date != (time_t)(-1))
1502: now = date;
1503: else
1504: time(&now);
1.52 jfb 1505: gmtime_r(&now, &(rdp->rd_date));
1506:
1507: TAILQ_INSERT_HEAD(&(rf->rf_delta), rdp, rd_list);
1508: rf->rf_ndelta++;
1.81 niallo 1509:
1.64 niallo 1510: /* not synced anymore */
1511: rf->rf_flags &= ~RCS_SYNCED;
1.52 jfb 1512:
1513: return (0);
1514: }
1515:
1516: /*
1517: * rcs_rev_remove()
1518: *
1519: * Remove the revision whose number is <rev> from the RCS file <rf>.
1520: */
1521: int
1522: rcs_rev_remove(RCSFILE *rf, RCSNUM *rev)
1523: {
1524: int ret;
1525: struct rcs_delta *rdp;
1526:
1527: ret = 0;
1528: if (rev == RCS_HEAD_REV)
1529: rev = rf->rf_head;
1530:
1531: /* do we actually have that revision? */
1532: if ((rdp = rcs_findrev(rf, rev)) == NULL) {
1533: rcs_errno = RCS_ERR_NOENT;
1534: ret = -1;
1535: } else {
1536: /* XXX assumes it's not a sub node */
1537: TAILQ_REMOVE(&(rf->rf_delta), rdp, rd_list);
1538: rf->rf_ndelta--;
1539: rf->rf_flags &= ~RCS_SYNCED;
1540: }
1541:
1542: return (ret);
1543:
1544: }
1545:
1546: /*
1.1 jfb 1547: * rcs_findrev()
1548: *
1549: * Find a specific revision's delta entry in the tree of the RCS file <rfp>.
1550: * The revision number is given in <rev>.
1551: * Returns a pointer to the delta on success, or NULL on failure.
1552: */
1.102 xsa 1553: struct rcs_delta *
1.43 jfb 1554: rcs_findrev(RCSFILE *rfp, const RCSNUM *rev)
1.1 jfb 1555: {
1556: u_int cmplen;
1557: struct rcs_delta *rdp;
1558: struct rcs_dlist *hp;
1.6 vincent 1559: int found;
1.26 jfb 1560:
1.1 jfb 1561: cmplen = 2;
1562: hp = &(rfp->rf_delta);
1563:
1.6 vincent 1564: do {
1565: found = 0;
1566: TAILQ_FOREACH(rdp, hp, rd_list) {
1567: if (rcsnum_cmp(rdp->rd_num, rev, cmplen) == 0) {
1568: if (cmplen == rev->rn_len)
1569: return (rdp);
1.1 jfb 1570:
1.6 vincent 1571: hp = &(rdp->rd_snodes);
1572: cmplen += 2;
1573: found = 1;
1574: break;
1575: }
1.1 jfb 1576: }
1.6 vincent 1577: } while (found && cmplen < rev->rn_len);
1.1 jfb 1578:
1579: return (NULL);
1.20 jfb 1580: }
1581:
1582: /*
1.26 jfb 1583: * rcs_kwexp_set()
1584: *
1585: * Set the keyword expansion mode to use on the RCS file <file> to <mode>.
1586: * Returns 0 on success, or -1 on failure.
1587: */
1588: int
1589: rcs_kwexp_set(RCSFILE *file, int mode)
1590: {
1591: int i;
1592: char *tmp, buf[8] = "";
1593:
1594: if (RCS_KWEXP_INVAL(mode))
1595: return (-1);
1596:
1597: i = 0;
1598: if (mode == RCS_KWEXP_NONE)
1599: buf[0] = 'b';
1600: else if (mode == RCS_KWEXP_OLD)
1601: buf[0] = 'o';
1602: else {
1603: if (mode & RCS_KWEXP_NAME)
1604: buf[i++] = 'k';
1605: if (mode & RCS_KWEXP_VAL)
1606: buf[i++] = 'v';
1607: if (mode & RCS_KWEXP_LKR)
1608: buf[i++] = 'l';
1609: }
1610:
1.99 niallo 1611: if ((tmp = strdup(buf)) == NULL) {
1.26 jfb 1612: cvs_log(LP_ERRNO, "%s: failed to copy expansion mode",
1613: file->rf_path);
1614: return (-1);
1615: }
1616:
1.27 jfb 1617: if (file->rf_expand != NULL)
1.99 niallo 1618: free(file->rf_expand);
1.26 jfb 1619: file->rf_expand = tmp;
1.64 niallo 1620: /* not synced anymore */
1621: file->rf_flags &= ~RCS_SYNCED;
1.26 jfb 1622:
1623: return (0);
1624: }
1625:
1626: /*
1627: * rcs_kwexp_get()
1628: *
1629: * Retrieve the keyword expansion mode to be used for the RCS file <file>.
1630: */
1631: int
1632: rcs_kwexp_get(RCSFILE *file)
1633: {
1634: return rcs_kflag_get(file->rf_expand);
1635: }
1636:
1637: /*
1.20 jfb 1638: * rcs_kflag_get()
1639: *
1640: * Get the keyword expansion mode from a set of character flags given in
1641: * <flags> and return the appropriate flag mask. In case of an error, the
1642: * returned mask will have the RCS_KWEXP_ERR bit set to 1.
1643: */
1644: int
1645: rcs_kflag_get(const char *flags)
1646: {
1647: int fl;
1648: size_t len;
1649: const char *fp;
1650:
1651: fl = 0;
1652: len = strlen(flags);
1653:
1654: for (fp = flags; *fp != '\0'; fp++) {
1655: if (*fp == 'k')
1656: fl |= RCS_KWEXP_NAME;
1657: else if (*fp == 'v')
1658: fl |= RCS_KWEXP_VAL;
1659: else if (*fp == 'l')
1660: fl |= RCS_KWEXP_LKR;
1661: else if (*fp == 'o') {
1662: if (len != 1)
1663: fl |= RCS_KWEXP_ERR;
1664: fl |= RCS_KWEXP_OLD;
1665: } else if (*fp == 'b') {
1666: if (len != 1)
1667: fl |= RCS_KWEXP_ERR;
1668: } else /* unknown letter */
1669: fl |= RCS_KWEXP_ERR;
1670: }
1671:
1672: return (fl);
1.32 jfb 1673: }
1674:
1675: /*
1676: * rcs_errstr()
1677: *
1678: * Get the error string matching the RCS error code <code>.
1679: */
1.57 xsa 1680: const char *
1.32 jfb 1681: rcs_errstr(int code)
1682: {
1.50 jfb 1683: const char *esp;
1684:
1685: if ((code < 0) || ((code >= (int)RCS_NERR) && (code != RCS_ERR_ERRNO)))
1686: esp = NULL;
1687: else if (code == RCS_ERR_ERRNO)
1688: esp = strerror(errno);
1689: else
1690: esp = rcs_errstrs[code];
1691: return (esp);
1.1 jfb 1692: }
1693:
1.21 jfb 1694: void
1695: rcs_kflag_usage(void)
1696: {
1697: fprintf(stderr, "Valid expansion modes include:\n"
1.22 jfb 1698: "\t-kkv\tGenerate keywords using the default form.\n"
1699: "\t-kkvl\tLike -kkv, except locker's name inserted.\n"
1700: "\t-kk\tGenerate only keyword names in keyword strings.\n"
1701: "\t-kv\tGenerate only keyword values in keyword strings.\n"
1702: "\t-ko\tGenerate old keyword string "
1.21 jfb 1703: "(no changes from checked in file).\n"
1.22 jfb 1704: "\t-kb\tGenerate binary file unmodified (merges not allowed).\n");
1.21 jfb 1705: }
1.1 jfb 1706:
1707: /*
1708: * rcs_parse()
1709: *
1710: * Parse the contents of file <path>, which are in the RCS format.
1711: * Returns 0 on success, or -1 on failure.
1712: */
1.26 jfb 1713: static int
1.1 jfb 1714: rcs_parse(RCSFILE *rfp)
1715: {
1716: int ret;
1717: struct rcs_pdata *pdp;
1718:
1.26 jfb 1719: if (rfp->rf_flags & RCS_PARSED)
1.1 jfb 1720: return (0);
1721:
1.26 jfb 1722: if ((pdp = (struct rcs_pdata *)malloc(sizeof(*pdp))) == NULL) {
1.50 jfb 1723: rcs_errno = RCS_ERR_ERRNO;
1.1 jfb 1724: cvs_log(LP_ERRNO, "failed to allocate RCS parser data");
1725: return (-1);
1726: }
1727: memset(pdp, 0, sizeof(*pdp));
1728:
1.18 jfb 1729: pdp->rp_lines = 0;
1.1 jfb 1730: pdp->rp_pttype = RCS_TOK_ERR;
1731:
1732: pdp->rp_file = fopen(rfp->rf_path, "r");
1733: if (pdp->rp_file == NULL) {
1.50 jfb 1734: rcs_errno = RCS_ERR_ERRNO;
1.1 jfb 1735: cvs_log(LP_ERRNO, "failed to open RCS file `%s'", rfp->rf_path);
1736: rcs_freepdata(pdp);
1737: return (-1);
1738: }
1739:
1.59 xsa 1740: pdp->rp_buf = (char *)malloc((size_t)RCS_BUFSIZE);
1.1 jfb 1741: if (pdp->rp_buf == NULL) {
1.50 jfb 1742: rcs_errno = RCS_ERR_ERRNO;
1.1 jfb 1743: cvs_log(LP_ERRNO, "failed to allocate RCS parser buffer");
1744: rcs_freepdata(pdp);
1745: return (-1);
1746: }
1747: pdp->rp_blen = RCS_BUFSIZE;
1.18 jfb 1748: pdp->rp_bufend = pdp->rp_buf + pdp->rp_blen - 1;
1.1 jfb 1749:
1750: /* ditch the strict lock */
1.26 jfb 1751: rfp->rf_flags &= ~RCS_SLOCK;
1.1 jfb 1752: rfp->rf_pdata = pdp;
1753:
1.31 jfb 1754: if ((ret = rcs_parse_admin(rfp)) < 0) {
1.1 jfb 1755: rcs_freepdata(pdp);
1756: return (-1);
1.31 jfb 1757: } else if (ret == RCS_TOK_NUM) {
1758: for (;;) {
1759: ret = rcs_parse_delta(rfp);
1760: if (ret == 0)
1761: break;
1762: else if (ret == -1) {
1763: rcs_freepdata(pdp);
1764: return (-1);
1765: }
1.1 jfb 1766: }
1767: }
1768:
1769: ret = rcs_gettok(rfp);
1770: if (ret != RCS_TOK_DESC) {
1.50 jfb 1771: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1772: cvs_log(LP_ERR, "token `%s' found where RCS desc expected",
1773: RCS_TOKSTR(rfp));
1774: rcs_freepdata(pdp);
1775: return (-1);
1776: }
1777:
1778: ret = rcs_gettok(rfp);
1779: if (ret != RCS_TOK_STRING) {
1.50 jfb 1780: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1781: cvs_log(LP_ERR, "token `%s' found where RCS desc expected",
1782: RCS_TOKSTR(rfp));
1783: rcs_freepdata(pdp);
1784: return (-1);
1785: }
1786:
1.99 niallo 1787: rfp->rf_desc = strdup(RCS_TOKSTR(rfp));
1.10 joris 1788: if (rfp->rf_desc == NULL) {
1789: cvs_log(LP_ERRNO, "failed to duplicate rcs token");
1790: rcs_freepdata(pdp);
1791: return (-1);
1792: }
1.1 jfb 1793:
1794: for (;;) {
1795: ret = rcs_parse_deltatext(rfp);
1796: if (ret == 0)
1797: break;
1798: else if (ret == -1) {
1799: rcs_freepdata(pdp);
1800: return (-1);
1801: }
1802: }
1803:
1804: rcs_freepdata(pdp);
1805:
1806: rfp->rf_pdata = NULL;
1.26 jfb 1807: rfp->rf_flags |= RCS_PARSED | RCS_SYNCED;
1.1 jfb 1808:
1809: return (0);
1810: }
1811:
1812: /*
1813: * rcs_parse_admin()
1814: *
1815: * Parse the administrative portion of an RCS file.
1.31 jfb 1816: * Returns the type of the first token found after the admin section on
1817: * success, or -1 on failure.
1.1 jfb 1818: */
1819: static int
1820: rcs_parse_admin(RCSFILE *rfp)
1821: {
1822: u_int i;
1823: int tok, ntok, hmask;
1824: struct rcs_key *rk;
1825:
1826: /* hmask is a mask of the headers already encountered */
1827: hmask = 0;
1828: for (;;) {
1829: tok = rcs_gettok(rfp);
1830: if (tok == RCS_TOK_ERR) {
1.50 jfb 1831: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1832: cvs_log(LP_ERR, "parse error in RCS admin section");
1833: return (-1);
1.31 jfb 1834: } else if ((tok == RCS_TOK_NUM) || (tok == RCS_TOK_DESC)) {
1835: /*
1836: * Assume this is the start of the first delta or
1837: * that we are dealing with an empty RCS file and
1838: * we just found the description.
1839: */
1.1 jfb 1840: rcs_pushtok(rfp, RCS_TOKSTR(rfp), tok);
1.31 jfb 1841: return (tok);
1.1 jfb 1842: }
1843:
1844: rk = NULL;
1.18 jfb 1845: for (i = 0; i < RCS_NKEYS; i++)
1.1 jfb 1846: if (rcs_keys[i].rk_id == tok)
1847: rk = &(rcs_keys[i]);
1848:
1849: if (hmask & (1 << tok)) {
1.50 jfb 1850: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1851: cvs_log(LP_ERR, "duplicate RCS key");
1852: return (-1);
1853: }
1854: hmask |= (1 << tok);
1855:
1856: switch (tok) {
1857: case RCS_TOK_HEAD:
1858: case RCS_TOK_BRANCH:
1859: case RCS_TOK_COMMENT:
1860: case RCS_TOK_EXPAND:
1861: ntok = rcs_gettok(rfp);
1862: if (ntok == RCS_TOK_SCOLON)
1863: break;
1864: if (ntok != rk->rk_val) {
1.50 jfb 1865: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1866: cvs_log(LP_ERR,
1867: "invalid value type for RCS key `%s'",
1868: rk->rk_str);
1869: }
1870:
1871: if (tok == RCS_TOK_HEAD) {
1.28 jfb 1872: if (rfp->rf_head == NULL) {
1873: rfp->rf_head = rcsnum_alloc();
1874: if (rfp->rf_head == NULL)
1875: return (-1);
1876: }
1.1 jfb 1877: rcsnum_aton(RCS_TOKSTR(rfp), NULL,
1878: rfp->rf_head);
1.14 deraadt 1879: } else if (tok == RCS_TOK_BRANCH) {
1.35 jfb 1880: if (rfp->rf_branch == NULL) {
1881: rfp->rf_branch = rcsnum_alloc();
1882: if (rfp->rf_branch == NULL)
1883: return (-1);
1884: }
1885: if (rcsnum_aton(RCS_TOKSTR(rfp), NULL,
1886: rfp->rf_branch) < 0)
1887: return (-1);
1.14 deraadt 1888: } else if (tok == RCS_TOK_COMMENT) {
1.99 niallo 1889: rfp->rf_comment = strdup(RCS_TOKSTR(rfp));
1.10 joris 1890: if (rfp->rf_comment == NULL) {
1891: cvs_log(LP_ERRNO,
1892: "failed to duplicate rcs token");
1893: return (-1);
1894: }
1.14 deraadt 1895: } else if (tok == RCS_TOK_EXPAND) {
1.99 niallo 1896: rfp->rf_expand = strdup(RCS_TOKSTR(rfp));
1.10 joris 1897: if (rfp->rf_expand == NULL) {
1898: cvs_log(LP_ERRNO,
1899: "failed to duplicate rcs token");
1900: return (-1);
1901: }
1.1 jfb 1902: }
1903:
1904: /* now get the expected semi-colon */
1905: ntok = rcs_gettok(rfp);
1906: if (ntok != RCS_TOK_SCOLON) {
1.50 jfb 1907: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1908: cvs_log(LP_ERR,
1909: "missing semi-colon after RCS `%s' key",
1.26 jfb 1910: rk->rk_str);
1.1 jfb 1911: return (-1);
1912: }
1913: break;
1914: case RCS_TOK_ACCESS:
1.29 jfb 1915: if (rcs_parse_access(rfp) < 0)
1916: return (-1);
1.1 jfb 1917: break;
1918: case RCS_TOK_SYMBOLS:
1.29 jfb 1919: if (rcs_parse_symbols(rfp) < 0)
1920: return (-1);
1.1 jfb 1921: break;
1922: case RCS_TOK_LOCKS:
1.29 jfb 1923: if (rcs_parse_locks(rfp) < 0)
1924: return (-1);
1.1 jfb 1925: break;
1926: default:
1.50 jfb 1927: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1928: cvs_log(LP_ERR,
1929: "unexpected token `%s' in RCS admin section",
1930: RCS_TOKSTR(rfp));
1931: return (-1);
1932: }
1933: }
1934:
1935: return (0);
1936: }
1937:
1938: /*
1939: * rcs_parse_delta()
1940: *
1941: * Parse an RCS delta section and allocate the structure to store that delta's
1942: * information in the <rfp> delta list.
1943: * Returns 1 if the section was parsed OK, 0 if it is the last delta, and
1944: * -1 on error.
1945: */
1946: static int
1947: rcs_parse_delta(RCSFILE *rfp)
1948: {
1949: int ret, tok, ntok, hmask;
1950: u_int i;
1951: char *tokstr;
1.3 vincent 1952: RCSNUM *datenum;
1.1 jfb 1953: struct rcs_delta *rdp;
1954: struct rcs_key *rk;
1955:
1956: rdp = (struct rcs_delta *)malloc(sizeof(*rdp));
1957: if (rdp == NULL) {
1.50 jfb 1958: rcs_errno = RCS_ERR_ERRNO;
1.1 jfb 1959: cvs_log(LP_ERRNO, "failed to allocate RCS delta structure");
1960: return (-1);
1961: }
1962: memset(rdp, 0, sizeof(*rdp));
1963:
1964: rdp->rd_num = rcsnum_alloc();
1.11 joris 1965: if (rdp->rd_num == NULL) {
1966: rcs_freedelta(rdp);
1967: return (-1);
1968: }
1.1 jfb 1969: rdp->rd_next = rcsnum_alloc();
1.11 joris 1970: if (rdp->rd_next == NULL) {
1971: rcs_freedelta(rdp);
1972: return (-1);
1973: }
1.1 jfb 1974:
1975: TAILQ_INIT(&(rdp->rd_branches));
1.52 jfb 1976: TAILQ_INIT(&(rdp->rd_snodes));
1.1 jfb 1977:
1978: tok = rcs_gettok(rfp);
1979: if (tok != RCS_TOK_NUM) {
1.52 jfb 1980: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1981: cvs_log(LP_ERR, "unexpected token `%s' at start of delta",
1982: RCS_TOKSTR(rfp));
1983: rcs_freedelta(rdp);
1984: return (-1);
1985: }
1986: rcsnum_aton(RCS_TOKSTR(rfp), NULL, rdp->rd_num);
1987:
1988: hmask = 0;
1989: ret = 0;
1990: tokstr = NULL;
1991:
1992: for (;;) {
1993: tok = rcs_gettok(rfp);
1994: if (tok == RCS_TOK_ERR) {
1.50 jfb 1995: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1996: cvs_log(LP_ERR, "parse error in RCS delta section");
1997: rcs_freedelta(rdp);
1998: return (-1);
1.14 deraadt 1999: } else if (tok == RCS_TOK_NUM || tok == RCS_TOK_DESC) {
1.15 tedu 2000: rcs_pushtok(rfp, RCS_TOKSTR(rfp), tok);
1.1 jfb 2001: ret = (tok == RCS_TOK_NUM ? 1 : 0);
2002: break;
2003: }
2004:
2005: rk = NULL;
1.18 jfb 2006: for (i = 0; i < RCS_NKEYS; i++)
1.1 jfb 2007: if (rcs_keys[i].rk_id == tok)
2008: rk = &(rcs_keys[i]);
2009:
2010: if (hmask & (1 << tok)) {
1.50 jfb 2011: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2012: cvs_log(LP_ERR, "duplicate RCS key");
2013: rcs_freedelta(rdp);
2014: return (-1);
2015: }
2016: hmask |= (1 << tok);
2017:
2018: switch (tok) {
2019: case RCS_TOK_DATE:
2020: case RCS_TOK_AUTHOR:
2021: case RCS_TOK_STATE:
2022: case RCS_TOK_NEXT:
2023: ntok = rcs_gettok(rfp);
2024: if (ntok == RCS_TOK_SCOLON) {
2025: if (rk->rk_flags & RCS_VOPT)
2026: break;
2027: else {
1.50 jfb 2028: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2029: cvs_log(LP_ERR, "missing mandatory "
2030: "value to RCS key `%s'",
2031: rk->rk_str);
2032: rcs_freedelta(rdp);
2033: return (-1);
2034: }
2035: }
2036:
2037: if (ntok != rk->rk_val) {
1.50 jfb 2038: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2039: cvs_log(LP_ERR,
2040: "invalid value type for RCS key `%s'",
2041: rk->rk_str);
2042: rcs_freedelta(rdp);
2043: return (-1);
2044: }
2045:
2046: if (tokstr != NULL)
1.99 niallo 2047: free(tokstr);
2048: tokstr = strdup(RCS_TOKSTR(rfp));
1.10 joris 2049: if (tokstr == NULL) {
1.15 tedu 2050: cvs_log(LP_ERRNO,
1.10 joris 2051: "failed to duplicate rcs token");
2052: rcs_freedelta(rdp);
2053: return (-1);
2054: }
1.1 jfb 2055:
2056: /* now get the expected semi-colon */
2057: ntok = rcs_gettok(rfp);
2058: if (ntok != RCS_TOK_SCOLON) {
1.50 jfb 2059: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2060: cvs_log(LP_ERR,
2061: "missing semi-colon after RCS `%s' key",
1.26 jfb 2062: rk->rk_str);
1.99 niallo 2063: free(tokstr);
1.1 jfb 2064: rcs_freedelta(rdp);
2065: return (-1);
2066: }
2067:
2068: if (tok == RCS_TOK_DATE) {
1.25 jfb 2069: if ((datenum = rcsnum_parse(tokstr)) == NULL) {
1.99 niallo 2070: free(tokstr);
1.11 joris 2071: rcs_freedelta(rdp);
2072: return (-1);
2073: }
1.3 vincent 2074: if (datenum->rn_len != 6) {
1.50 jfb 2075: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2076: cvs_log(LP_ERR,
2077: "RCS date specification has %s "
2078: "fields",
1.3 vincent 2079: (datenum->rn_len > 6) ? "too many" :
1.1 jfb 2080: "missing");
1.99 niallo 2081: free(tokstr);
1.1 jfb 2082: rcs_freedelta(rdp);
1.37 tedu 2083: rcsnum_free(datenum);
2084: return (-1);
1.1 jfb 2085: }
1.3 vincent 2086: rdp->rd_date.tm_year = datenum->rn_id[0];
1.19 jfb 2087: if (rdp->rd_date.tm_year >= 1900)
2088: rdp->rd_date.tm_year -= 1900;
1.3 vincent 2089: rdp->rd_date.tm_mon = datenum->rn_id[1] - 1;
2090: rdp->rd_date.tm_mday = datenum->rn_id[2];
2091: rdp->rd_date.tm_hour = datenum->rn_id[3];
2092: rdp->rd_date.tm_min = datenum->rn_id[4];
2093: rdp->rd_date.tm_sec = datenum->rn_id[5];
2094: rcsnum_free(datenum);
1.14 deraadt 2095: } else if (tok == RCS_TOK_AUTHOR) {
1.1 jfb 2096: rdp->rd_author = tokstr;
2097: tokstr = NULL;
1.14 deraadt 2098: } else if (tok == RCS_TOK_STATE) {
1.1 jfb 2099: rdp->rd_state = tokstr;
2100: tokstr = NULL;
1.14 deraadt 2101: } else if (tok == RCS_TOK_NEXT) {
1.1 jfb 2102: rcsnum_aton(tokstr, NULL, rdp->rd_next);
2103: }
2104: break;
2105: case RCS_TOK_BRANCHES:
1.46 jfb 2106: if (rcs_parse_branches(rfp, rdp) < 0) {
2107: rcs_freedelta(rdp);
2108: return (-1);
2109: }
1.1 jfb 2110: break;
2111: default:
1.50 jfb 2112: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2113: cvs_log(LP_ERR,
2114: "unexpected token `%s' in RCS delta",
2115: RCS_TOKSTR(rfp));
2116: rcs_freedelta(rdp);
2117: return (-1);
2118: }
2119: }
2120:
1.13 jfb 2121: if (tokstr != NULL)
1.99 niallo 2122: free(tokstr);
1.13 jfb 2123:
1.1 jfb 2124: TAILQ_INSERT_TAIL(&(rfp->rf_delta), rdp, rd_list);
1.26 jfb 2125: rfp->rf_ndelta++;
1.1 jfb 2126:
2127: return (ret);
2128: }
2129:
2130: /*
2131: * rcs_parse_deltatext()
2132: *
2133: * Parse an RCS delta text section and fill in the log and text field of the
2134: * appropriate delta section.
2135: * Returns 1 if the section was parsed OK, 0 if it is the last delta, and
2136: * -1 on error.
2137: */
2138: static int
2139: rcs_parse_deltatext(RCSFILE *rfp)
2140: {
2141: int tok;
2142: RCSNUM *tnum;
2143: struct rcs_delta *rdp;
2144:
2145: tok = rcs_gettok(rfp);
2146: if (tok == RCS_TOK_EOF)
2147: return (0);
2148:
2149: if (tok != RCS_TOK_NUM) {
1.50 jfb 2150: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2151: cvs_log(LP_ERR,
2152: "unexpected token `%s' at start of RCS delta text",
2153: RCS_TOKSTR(rfp));
2154: return (-1);
2155: }
1.13 jfb 2156:
2157: tnum = rcsnum_alloc();
2158: if (tnum == NULL)
2159: return (-1);
1.1 jfb 2160: rcsnum_aton(RCS_TOKSTR(rfp), NULL, tnum);
2161:
2162: TAILQ_FOREACH(rdp, &(rfp->rf_delta), rd_list) {
2163: if (rcsnum_cmp(tnum, rdp->rd_num, 0) == 0)
2164: break;
2165: }
1.13 jfb 2166: rcsnum_free(tnum);
2167:
1.1 jfb 2168: if (rdp == NULL) {
2169: cvs_log(LP_ERR, "RCS delta text `%s' has no matching delta",
2170: RCS_TOKSTR(rfp));
2171: return (-1);
2172: }
2173:
2174: tok = rcs_gettok(rfp);
2175: if (tok != RCS_TOK_LOG) {
1.50 jfb 2176: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2177: cvs_log(LP_ERR, "unexpected token `%s' where RCS log expected",
2178: RCS_TOKSTR(rfp));
2179: return (-1);
2180: }
2181:
2182: tok = rcs_gettok(rfp);
2183: if (tok != RCS_TOK_STRING) {
1.50 jfb 2184: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2185: cvs_log(LP_ERR, "unexpected token `%s' where RCS log expected",
2186: RCS_TOKSTR(rfp));
2187: return (-1);
2188: }
1.99 niallo 2189: rdp->rd_log = strdup(RCS_TOKSTR(rfp));
1.1 jfb 2190: if (rdp->rd_log == NULL) {
2191: cvs_log(LP_ERRNO, "failed to copy RCS deltatext log");
2192: return (-1);
2193: }
2194:
2195: tok = rcs_gettok(rfp);
2196: if (tok != RCS_TOK_TEXT) {
1.50 jfb 2197: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2198: cvs_log(LP_ERR, "unexpected token `%s' where RCS text expected",
2199: RCS_TOKSTR(rfp));
2200: return (-1);
2201: }
2202:
2203: tok = rcs_gettok(rfp);
2204: if (tok != RCS_TOK_STRING) {
1.50 jfb 2205: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2206: cvs_log(LP_ERR, "unexpected token `%s' where RCS text expected",
2207: RCS_TOKSTR(rfp));
2208: return (-1);
2209: }
2210:
1.74 joris 2211: rdp->rd_text = (u_char *)malloc(RCS_TOKLEN(rfp) + 1);
1.1 jfb 2212: if (rdp->rd_text == NULL) {
2213: cvs_log(LP_ERRNO, "failed to copy RCS delta text");
2214: return (-1);
2215: }
1.74 joris 2216: strlcpy(rdp->rd_text, RCS_TOKSTR(rfp), (RCS_TOKLEN(rfp) + 1));
1.42 jfb 2217: rdp->rd_tlen = RCS_TOKLEN(rfp);
1.1 jfb 2218:
2219: return (1);
2220: }
2221:
2222: /*
2223: * rcs_parse_access()
2224: *
2225: * Parse the access list given as value to the `access' keyword.
2226: * Returns 0 on success, or -1 on failure.
2227: */
2228: static int
2229: rcs_parse_access(RCSFILE *rfp)
2230: {
2231: int type;
2232:
2233: while ((type = rcs_gettok(rfp)) != RCS_TOK_SCOLON) {
2234: if (type != RCS_TOK_ID) {
1.50 jfb 2235: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2236: cvs_log(LP_ERR, "unexpected token `%s' in access list",
2237: RCS_TOKSTR(rfp));
2238: return (-1);
2239: }
1.29 jfb 2240:
2241: if (rcs_access_add(rfp, RCS_TOKSTR(rfp)) < 0)
2242: return (-1);
1.1 jfb 2243: }
2244:
2245: return (0);
2246: }
2247:
2248: /*
2249: * rcs_parse_symbols()
2250: *
2251: * Parse the symbol list given as value to the `symbols' keyword.
2252: * Returns 0 on success, or -1 on failure.
2253: */
2254: static int
2255: rcs_parse_symbols(RCSFILE *rfp)
2256: {
2257: int type;
2258: struct rcs_sym *symp;
2259:
2260: for (;;) {
2261: type = rcs_gettok(rfp);
2262: if (type == RCS_TOK_SCOLON)
2263: break;
2264:
1.41 jfb 2265: if (type != RCS_TOK_ID) {
1.50 jfb 2266: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2267: cvs_log(LP_ERR, "unexpected token `%s' in symbol list",
2268: RCS_TOKSTR(rfp));
2269: return (-1);
2270: }
2271:
2272: symp = (struct rcs_sym *)malloc(sizeof(*symp));
2273: if (symp == NULL) {
1.50 jfb 2274: rcs_errno = RCS_ERR_ERRNO;
1.1 jfb 2275: cvs_log(LP_ERRNO, "failed to allocate RCS symbol");
2276: return (-1);
2277: }
1.99 niallo 2278: symp->rs_name = strdup(RCS_TOKSTR(rfp));
1.10 joris 2279: if (symp->rs_name == NULL) {
2280: cvs_log(LP_ERRNO, "failed to duplicate rcs token");
2281: free(symp);
2282: return (-1);
2283: }
2284:
1.1 jfb 2285: symp->rs_num = rcsnum_alloc();
1.11 joris 2286: if (symp->rs_num == NULL) {
2287: cvs_log(LP_ERRNO, "failed to allocate rcsnum info");
1.99 niallo 2288: free(symp->rs_name);
1.11 joris 2289: free(symp);
2290: return (-1);
2291: }
1.1 jfb 2292:
2293: type = rcs_gettok(rfp);
2294: if (type != RCS_TOK_COLON) {
1.50 jfb 2295: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2296: cvs_log(LP_ERR, "unexpected token `%s' in symbol list",
2297: RCS_TOKSTR(rfp));
1.11 joris 2298: rcsnum_free(symp->rs_num);
1.99 niallo 2299: free(symp->rs_name);
1.1 jfb 2300: free(symp);
2301: return (-1);
2302: }
2303:
2304: type = rcs_gettok(rfp);
2305: if (type != RCS_TOK_NUM) {
1.50 jfb 2306: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2307: cvs_log(LP_ERR, "unexpected token `%s' in symbol list",
2308: RCS_TOKSTR(rfp));
1.11 joris 2309: rcsnum_free(symp->rs_num);
1.99 niallo 2310: free(symp->rs_name);
1.1 jfb 2311: free(symp);
2312: return (-1);
2313: }
2314:
2315: if (rcsnum_aton(RCS_TOKSTR(rfp), NULL, symp->rs_num) < 0) {
2316: cvs_log(LP_ERR, "failed to parse RCS NUM `%s'",
2317: RCS_TOKSTR(rfp));
1.11 joris 2318: rcsnum_free(symp->rs_num);
1.99 niallo 2319: free(symp->rs_name);
1.1 jfb 2320: free(symp);
2321: return (-1);
2322: }
2323:
1.43 jfb 2324: TAILQ_INSERT_TAIL(&(rfp->rf_symbols), symp, rs_list);
1.1 jfb 2325: }
2326:
2327: return (0);
2328: }
2329:
2330: /*
2331: * rcs_parse_locks()
2332: *
2333: * Parse the lock list given as value to the `locks' keyword.
2334: * Returns 0 on success, or -1 on failure.
2335: */
2336: static int
2337: rcs_parse_locks(RCSFILE *rfp)
2338: {
2339: int type;
2340: struct rcs_lock *lkp;
2341:
2342: for (;;) {
2343: type = rcs_gettok(rfp);
2344: if (type == RCS_TOK_SCOLON)
2345: break;
2346:
2347: if (type != RCS_TOK_ID) {
1.50 jfb 2348: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2349: cvs_log(LP_ERR, "unexpected token `%s' in lock list",
2350: RCS_TOKSTR(rfp));
2351: return (-1);
2352: }
2353:
2354: lkp = (struct rcs_lock *)malloc(sizeof(*lkp));
2355: if (lkp == NULL) {
2356: cvs_log(LP_ERRNO, "failed to allocate RCS lock");
2357: return (-1);
2358: }
1.76 joris 2359:
1.99 niallo 2360: if ((lkp->rl_name = strdup(RCS_TOKSTR(rfp))) == NULL) {
1.76 joris 2361: cvs_log(LP_ERR, "failed to save locking user");
2362: free(lkp);
2363: return (-1);
2364: }
2365:
1.1 jfb 2366: lkp->rl_num = rcsnum_alloc();
1.11 joris 2367: if (lkp->rl_num == NULL) {
1.99 niallo 2368: free(lkp->rl_name);
1.11 joris 2369: free(lkp);
2370: return (-1);
2371: }
1.1 jfb 2372:
2373: type = rcs_gettok(rfp);
2374: if (type != RCS_TOK_COLON) {
1.50 jfb 2375: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2376: cvs_log(LP_ERR, "unexpected token `%s' in symbol list",
2377: RCS_TOKSTR(rfp));
1.37 tedu 2378: rcsnum_free(lkp->rl_num);
1.99 niallo 2379: free(lkp->rl_name);
1.1 jfb 2380: free(lkp);
2381: return (-1);
2382: }
2383:
2384: type = rcs_gettok(rfp);
2385: if (type != RCS_TOK_NUM) {
1.50 jfb 2386: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2387: cvs_log(LP_ERR, "unexpected token `%s' in symbol list",
2388: RCS_TOKSTR(rfp));
1.37 tedu 2389: rcsnum_free(lkp->rl_num);
1.99 niallo 2390: free(lkp->rl_name);
1.1 jfb 2391: free(lkp);
2392: return (-1);
2393: }
2394:
2395: if (rcsnum_aton(RCS_TOKSTR(rfp), NULL, lkp->rl_num) < 0) {
2396: cvs_log(LP_ERR, "failed to parse RCS NUM `%s'",
2397: RCS_TOKSTR(rfp));
1.37 tedu 2398: rcsnum_free(lkp->rl_num);
1.99 niallo 2399: free(lkp->rl_name);
1.1 jfb 2400: free(lkp);
2401: return (-1);
2402: }
2403:
2404: TAILQ_INSERT_HEAD(&(rfp->rf_locks), lkp, rl_list);
2405: }
2406:
2407: /* check if we have a `strict' */
2408: type = rcs_gettok(rfp);
2409: if (type != RCS_TOK_STRICT) {
2410: rcs_pushtok(rfp, RCS_TOKSTR(rfp), type);
1.14 deraadt 2411: } else {
1.26 jfb 2412: rfp->rf_flags |= RCS_SLOCK;
1.1 jfb 2413:
2414: type = rcs_gettok(rfp);
2415: if (type != RCS_TOK_SCOLON) {
1.50 jfb 2416: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2417: cvs_log(LP_ERR,
2418: "missing semi-colon after `strict' keyword");
2419: return (-1);
2420: }
2421: }
2422:
2423: return (0);
2424: }
2425:
2426: /*
2427: * rcs_parse_branches()
2428: *
2429: * Parse the list of branches following a `branches' keyword in a delta.
2430: * Returns 0 on success, or -1 on failure.
2431: */
2432: static int
2433: rcs_parse_branches(RCSFILE *rfp, struct rcs_delta *rdp)
2434: {
2435: int type;
2436: struct rcs_branch *brp;
2437:
2438: for (;;) {
2439: type = rcs_gettok(rfp);
2440: if (type == RCS_TOK_SCOLON)
2441: break;
2442:
2443: if (type != RCS_TOK_NUM) {
1.50 jfb 2444: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2445: cvs_log(LP_ERR,
2446: "unexpected token `%s' in list of branches",
2447: RCS_TOKSTR(rfp));
2448: return (-1);
2449: }
2450:
2451: brp = (struct rcs_branch *)malloc(sizeof(*brp));
2452: if (brp == NULL) {
1.50 jfb 2453: rcs_errno = RCS_ERR_ERRNO;
1.1 jfb 2454: cvs_log(LP_ERRNO, "failed to allocate RCS branch");
2455: return (-1);
2456: }
1.46 jfb 2457: brp->rb_num = rcsnum_parse(RCS_TOKSTR(rfp));
1.11 joris 2458: if (brp->rb_num == NULL) {
2459: free(brp);
2460: return (-1);
2461: }
1.1 jfb 2462:
2463: TAILQ_INSERT_TAIL(&(rdp->rd_branches), brp, rb_list);
2464: }
2465:
2466: return (0);
2467: }
2468:
2469: /*
2470: * rcs_freedelta()
2471: *
2472: * Free the contents of a delta structure.
2473: */
1.18 jfb 2474: static void
1.1 jfb 2475: rcs_freedelta(struct rcs_delta *rdp)
2476: {
1.12 jfb 2477: struct rcs_branch *rb;
1.1 jfb 2478: struct rcs_delta *crdp;
2479:
1.12 jfb 2480: if (rdp->rd_num != NULL)
2481: rcsnum_free(rdp->rd_num);
2482: if (rdp->rd_next != NULL)
2483: rcsnum_free(rdp->rd_next);
2484:
1.1 jfb 2485: if (rdp->rd_author != NULL)
1.99 niallo 2486: free(rdp->rd_author);
1.109 ! joris 2487: if (rdp->rd_locker != NULL)
! 2488: free(rdp->rd_locker);
1.1 jfb 2489: if (rdp->rd_state != NULL)
1.99 niallo 2490: free(rdp->rd_state);
1.1 jfb 2491: if (rdp->rd_log != NULL)
1.99 niallo 2492: free(rdp->rd_log);
1.1 jfb 2493: if (rdp->rd_text != NULL)
1.45 jfb 2494: free(rdp->rd_text);
1.12 jfb 2495:
2496: while ((rb = TAILQ_FIRST(&(rdp->rd_branches))) != NULL) {
2497: TAILQ_REMOVE(&(rdp->rd_branches), rb, rb_list);
2498: rcsnum_free(rb->rb_num);
2499: free(rb);
2500: }
1.1 jfb 2501:
2502: while ((crdp = TAILQ_FIRST(&(rdp->rd_snodes))) != NULL) {
2503: TAILQ_REMOVE(&(rdp->rd_snodes), crdp, rd_list);
2504: rcs_freedelta(crdp);
2505: }
2506:
2507: free(rdp);
2508: }
2509:
2510: /*
2511: * rcs_freepdata()
2512: *
2513: * Free the contents of the parser data structure.
2514: */
2515: static void
2516: rcs_freepdata(struct rcs_pdata *pd)
2517: {
2518: if (pd->rp_file != NULL)
2519: (void)fclose(pd->rp_file);
2520: if (pd->rp_buf != NULL)
2521: free(pd->rp_buf);
2522: free(pd);
2523: }
2524:
2525: /*
2526: * rcs_gettok()
2527: *
2528: * Get the next RCS token from the string <str>.
2529: */
2530: static int
2531: rcs_gettok(RCSFILE *rfp)
2532: {
2533: u_int i;
2534: int ch, last, type;
1.18 jfb 2535: size_t len;
2536: char *bp;
1.1 jfb 2537: struct rcs_pdata *pdp = (struct rcs_pdata *)rfp->rf_pdata;
2538:
2539: type = RCS_TOK_ERR;
2540: bp = pdp->rp_buf;
1.42 jfb 2541: pdp->rp_tlen = 0;
1.1 jfb 2542: *bp = '\0';
2543:
2544: if (pdp->rp_pttype != RCS_TOK_ERR) {
2545: type = pdp->rp_pttype;
2546: strlcpy(pdp->rp_buf, pdp->rp_ptok, pdp->rp_blen);
2547: pdp->rp_pttype = RCS_TOK_ERR;
2548: return (type);
2549: }
2550:
2551: /* skip leading whitespace */
2552: /* XXX we must skip backspace too for compatibility, should we? */
2553: do {
2554: ch = getc(pdp->rp_file);
2555: if (ch == '\n')
1.18 jfb 2556: pdp->rp_lines++;
1.1 jfb 2557: } while (isspace(ch));
2558:
2559: if (ch == EOF) {
2560: type = RCS_TOK_EOF;
1.14 deraadt 2561: } else if (ch == ';') {
1.1 jfb 2562: type = RCS_TOK_SCOLON;
1.14 deraadt 2563: } else if (ch == ':') {
1.1 jfb 2564: type = RCS_TOK_COLON;
1.14 deraadt 2565: } else if (isalpha(ch)) {
1.31 jfb 2566: type = RCS_TOK_ID;
1.1 jfb 2567: *(bp++) = ch;
1.18 jfb 2568: for (;;) {
1.1 jfb 2569: ch = getc(pdp->rp_file);
1.11 joris 2570: if (!isalnum(ch) && ch != '_' && ch != '-') {
1.1 jfb 2571: ungetc(ch, pdp->rp_file);
2572: break;
2573: }
2574: *(bp++) = ch;
1.42 jfb 2575: pdp->rp_tlen++;
1.18 jfb 2576: if (bp == pdp->rp_bufend - 1) {
2577: len = bp - pdp->rp_buf;
2578: if (rcs_growbuf(rfp) < 0) {
2579: type = RCS_TOK_ERR;
2580: break;
2581: }
2582: bp = pdp->rp_buf + len;
2583: }
1.1 jfb 2584: }
2585: *bp = '\0';
2586:
1.18 jfb 2587: if (type != RCS_TOK_ERR) {
2588: for (i = 0; i < RCS_NKEYS; i++) {
2589: if (strcmp(rcs_keys[i].rk_str,
2590: pdp->rp_buf) == 0) {
2591: type = rcs_keys[i].rk_id;
2592: break;
2593: }
1.1 jfb 2594: }
2595: }
1.14 deraadt 2596: } else if (ch == '@') {
1.1 jfb 2597: /* we have a string */
1.18 jfb 2598: type = RCS_TOK_STRING;
1.1 jfb 2599: for (;;) {
2600: ch = getc(pdp->rp_file);
2601: if (ch == '@') {
2602: ch = getc(pdp->rp_file);
2603: if (ch != '@') {
2604: ungetc(ch, pdp->rp_file);
2605: break;
2606: }
1.14 deraadt 2607: } else if (ch == '\n')
1.18 jfb 2608: pdp->rp_lines++;
1.1 jfb 2609:
2610: *(bp++) = ch;
1.42 jfb 2611: pdp->rp_tlen++;
1.18 jfb 2612: if (bp == pdp->rp_bufend - 1) {
2613: len = bp - pdp->rp_buf;
2614: if (rcs_growbuf(rfp) < 0) {
2615: type = RCS_TOK_ERR;
2616: break;
2617: }
2618: bp = pdp->rp_buf + len;
2619: }
1.1 jfb 2620: }
2621:
2622: *bp = '\0';
1.14 deraadt 2623: } else if (isdigit(ch)) {
1.1 jfb 2624: *(bp++) = ch;
2625: last = ch;
2626: type = RCS_TOK_NUM;
2627:
2628: for (;;) {
2629: ch = getc(pdp->rp_file);
1.18 jfb 2630: if (bp == pdp->rp_bufend)
1.1 jfb 2631: break;
2632: if (!isdigit(ch) && ch != '.') {
2633: ungetc(ch, pdp->rp_file);
2634: break;
2635: }
2636:
2637: if (last == '.' && ch == '.') {
2638: type = RCS_TOK_ERR;
2639: break;
2640: }
2641: last = ch;
2642: *(bp++) = ch;
1.42 jfb 2643: pdp->rp_tlen++;
1.1 jfb 2644: }
1.18 jfb 2645: *bp = '\0';
1.1 jfb 2646: }
2647:
2648: return (type);
2649: }
2650:
2651: /*
2652: * rcs_pushtok()
2653: *
2654: * Push a token back in the parser's token buffer.
2655: */
2656: static int
2657: rcs_pushtok(RCSFILE *rfp, const char *tok, int type)
2658: {
2659: struct rcs_pdata *pdp = (struct rcs_pdata *)rfp->rf_pdata;
2660:
2661: if (pdp->rp_pttype != RCS_TOK_ERR)
2662: return (-1);
2663:
2664: pdp->rp_pttype = type;
2665: strlcpy(pdp->rp_ptok, tok, sizeof(pdp->rp_ptok));
2666: return (0);
2667: }
2668:
1.18 jfb 2669:
2670: /*
2671: * rcs_growbuf()
2672: *
2673: * Attempt to grow the internal parse buffer for the RCS file <rf> by
2674: * RCS_BUFEXTSIZE.
2675: * In case of failure, the original buffer is left unmodified.
2676: * Returns 0 on success, or -1 on failure.
2677: */
2678: static int
2679: rcs_growbuf(RCSFILE *rf)
2680: {
2681: void *tmp;
2682: struct rcs_pdata *pdp = (struct rcs_pdata *)rf->rf_pdata;
2683:
2684: tmp = realloc(pdp->rp_buf, pdp->rp_blen + RCS_BUFEXTSIZE);
2685: if (tmp == NULL) {
1.50 jfb 2686: rcs_errno = RCS_ERR_ERRNO;
1.18 jfb 2687: cvs_log(LP_ERRNO, "failed to grow RCS parse buffer");
2688: return (-1);
2689: }
2690:
2691: pdp->rp_buf = (char *)tmp;
2692: pdp->rp_blen += RCS_BUFEXTSIZE;
2693: pdp->rp_bufend = pdp->rp_buf + pdp->rp_blen - 1;
1.42 jfb 2694:
2695: return (0);
2696: }
2697:
2698: /*
2699: * rcs_strprint()
2700: *
2701: * Output an RCS string <str> of size <slen> to the stream <stream>. Any
2702: * '@' characters are escaped. Otherwise, the string can contain arbitrary
2703: * binary data.
2704: */
2705: static int
2706: rcs_strprint(const u_char *str, size_t slen, FILE *stream)
2707: {
2708: const u_char *ap, *ep, *sp;
2709: size_t ret;
1.52 jfb 2710:
2711: if (slen == 0)
2712: return (0);
1.42 jfb 2713:
2714: ep = str + slen - 1;
2715:
2716: for (sp = str; sp <= ep;) {
2717: ap = memchr(sp, '@', ep - sp);
2718: if (ap == NULL)
2719: ap = ep;
2720: ret = fwrite(sp, sizeof(u_char), ap - sp + 1, stream);
2721:
2722: if (*ap == '@')
2723: putc('@', stream);
2724: sp = ap + 1;
1.63 joris 2725: }
2726:
2727: return (0);
2728: }
2729:
2730: /*
2731: * rcs_expand_keywords()
2732: *
2733: * Expand any RCS keywords in <line> into <out>
2734: */
2735: static int
2736: rcs_expand_keywords(char *rcsfile, struct rcs_delta *rdp, char *line, char *out,
2737: size_t len, int mode)
2738: {
2739: int kwtype;
2740: u_int i, j, found;
2741: char *c, *kwstr, *start;
2742: char expbuf[128], buf[128];
2743:
1.65 niallo 2744: kwtype = 0;
2745: kwstr = NULL;
1.63 joris 2746: i = 0;
2747:
2748: /*
2749: * Keyword formats:
2750: * $Keyword$
2751: * $Keyword: value$
2752: */
2753: memset(out, '\0', len);
2754: for (c = line; *c != '\0' && i < len; *c++) {
2755: out[i++] = *c;
2756: if (*c == '$') {
2757: /* remember start of this possible keyword */
2758: start = c;
2759:
2760: /* first following character has to be alphanumeric */
2761: *c++;
2762: if (!isalpha(*c)) {
2763: c = start;
2764: continue;
2765: }
2766:
2767: /* look for any matching keywords */
2768: found = 0;
2769: for (j = 0; j < RCS_NKWORDS; j++) {
2770: if (!strncmp(c, rcs_expkw[j].kw_str,
2771: strlen(rcs_expkw[j].kw_str))) {
2772: found = 1;
2773: kwstr = rcs_expkw[j].kw_str;
2774: kwtype = rcs_expkw[j].kw_type;
2775: break;
2776: }
2777: }
2778:
2779: /* unknown keyword, continue looking */
2780: if (found == 0) {
2781: c = start;
2782: continue;
2783: }
2784:
2785: /* next character has to be ':' or '$' */
2786: c += strlen(kwstr);
2787: if (*c != ':' && *c != '$') {
2788: c = start;
2789: continue;
2790: }
2791:
2792: /*
2793: * if the next character was ':' we need to look for
2794: * an '$' before the end of the line to be sure it is
2795: * in fact a keyword.
2796: */
2797: if (*c == ':') {
2798: while (*c++) {
2799: if (*c == '$' || *c == '\n')
2800: break;
2801: }
2802:
2803: if (*c != '$') {
2804: c = start;
2805: continue;
2806: }
2807: }
2808:
2809: /* start constructing the expansion */
2810: expbuf[0] = '\0';
2811:
2812: if (mode & RCS_KWEXP_NAME) {
2813: strlcat(expbuf, "$", sizeof(expbuf));
2814: strlcat(expbuf, kwstr, sizeof(expbuf));
2815: if (mode & RCS_KWEXP_VAL)
2816: strlcat(expbuf, ": ", sizeof(expbuf));
2817: }
2818:
2819: /*
1.80 reyk 2820: * order matters because of RCS_KW_ID and
2821: * RCS_KW_HEADER here
1.63 joris 2822: */
2823: if (mode & RCS_KWEXP_VAL) {
2824: if (kwtype & RCS_KW_RCSFILE) {
2825: if (!(kwtype & RCS_KW_FULLPATH))
1.80 reyk 2826: strlcat(expbuf,
2827: basename(rcsfile),
1.63 joris 2828: sizeof(expbuf));
2829: else
2830: strlcat(expbuf, rcsfile,
2831: sizeof(expbuf));
2832: strlcat(expbuf, " ", sizeof(expbuf));
2833: }
2834:
2835: if (kwtype & RCS_KW_REVISION) {
1.80 reyk 2836: rcsnum_tostr(rdp->rd_num, buf,
2837: sizeof(buf));
1.63 joris 2838: strlcat(buf, " ", sizeof(buf));
2839: strlcat(expbuf, buf, sizeof(expbuf));
2840: }
2841:
2842: if (kwtype & RCS_KW_DATE) {
2843: strftime(buf, sizeof(buf),
1.80 reyk 2844: "%Y/%m/%d %H:%M:%S ",
2845: &rdp->rd_date);
1.63 joris 2846: strlcat(expbuf, buf, sizeof(expbuf));
2847: }
2848:
2849: if (kwtype & RCS_KW_AUTHOR) {
2850: strlcat(expbuf, rdp->rd_author,
2851: sizeof(expbuf));
2852: strlcat(expbuf, " ", sizeof(expbuf));
2853: }
2854:
2855: if (kwtype & RCS_KW_STATE) {
2856: strlcat(expbuf, rdp->rd_state,
2857: sizeof(expbuf));
2858: strlcat(expbuf, " ", sizeof(expbuf));
2859: }
2860:
2861: /* order does not matter anymore below */
2862: if (kwtype & RCS_KW_LOG)
2863: strlcat(expbuf, " ", sizeof(expbuf));
2864:
2865: if (kwtype & RCS_KW_SOURCE) {
1.80 reyk 2866: strlcat(expbuf, rcsfile,
2867: sizeof(expbuf));
1.63 joris 2868: strlcat(expbuf, " ", sizeof(expbuf));
2869: }
2870:
2871: if (kwtype & RCS_KW_NAME)
2872: strlcat(expbuf, " ", sizeof(expbuf));
2873: }
2874:
2875: /* end the expansion */
2876: if (mode & RCS_KWEXP_NAME)
2877: strlcat(expbuf, "$", sizeof(expbuf));
2878:
2879: out[--i] = '\0';
2880: strlcat(out, expbuf, len);
2881: i += strlen(expbuf);
2882: }
1.42 jfb 2883: }
1.81 niallo 2884:
2885: return (0);
2886: }
2887:
2888: /*
2889: * rcs_deltatext_set()
2890: *
2891: * Set deltatext for <rev> in RCS file <rfp> to <dtext>
1.96 xsa 2892: * Returns -1 on error, 0 on success.
1.81 niallo 2893: */
2894: int
2895: rcs_deltatext_set(RCSFILE *rfp, RCSNUM *rev, const char *dtext)
2896: {
2897: size_t len;
2898: struct rcs_delta *rdp;
2899:
2900: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
2901: return (-1);
2902:
2903: if (rdp->rd_text != NULL)
2904: free(rdp->rd_text);
2905:
2906: len = strlen(dtext);
1.103 joris 2907: if (len != 0) {
2908: if ((rdp->rd_text = (u_char *)malloc(len)) == NULL)
2909: return (-1);
1.81 niallo 2910:
1.103 joris 2911: rdp->rd_tlen = len - 1;
2912: strlcpy(rdp->rd_text, dtext, len);
2913: } else {
2914: rdp->rd_text = NULL;
2915: rdp->rd_tlen = 0;
2916: }
1.18 jfb 2917:
1.86 joris 2918: return (0);
2919: }
2920:
2921: /*
2922: * rcs_rev_setlog()
2923: *
2924: * Sets the log message of revision <rev> to <logtext>
2925: */
2926: int
2927: rcs_rev_setlog(RCSFILE *rfp, RCSNUM *rev, const char *logtext)
2928: {
2929: struct rcs_delta *rdp;
2930: char buf[16];
2931:
2932: rcsnum_tostr(rev, buf, sizeof(buf));
2933:
2934: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
2935: return (-1);
2936:
2937: if (rdp->rd_log != NULL)
1.99 niallo 2938: free(rdp->rd_log);
1.86 joris 2939:
1.99 niallo 2940: if ((rdp->rd_log = strdup(logtext)) == NULL)
1.86 joris 2941: return (-1);
2942:
2943: rfp->rf_flags &= ~RCS_SYNCED;
1.95 niallo 2944: return (0);
2945: }
1.97 niallo 2946: /*
2947: * rcs_rev_getdate()
2948: *
2949: * Get the date corresponding to a given revision.
2950: * Returns the date on success, -1 on failure.
2951: */
2952: time_t
2953: rcs_rev_getdate(RCSFILE *rfp, RCSNUM *rev)
2954: {
2955: struct rcs_delta *rdp;
2956:
2957: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
2958: return (-1);
2959:
2960: return (mktime(&rdp->rd_date));
2961: }
1.95 niallo 2962:
2963: /*
2964: * rcs_state_set()
2965: *
2966: * Sets the state of revision <rev> to <state>
2967: * NOTE: default state is 'Exp'. States may not contain spaces.
2968: *
2969: * Returns -1 on failure, 0 on success.
2970: */
2971: int
2972: rcs_state_set(RCSFILE *rfp, RCSNUM *rev, const char *state)
2973: {
2974: struct rcs_delta *rdp;
2975:
2976: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
2977: return (-1);
2978:
2979: if (rdp->rd_state != NULL)
1.99 niallo 2980: free(rdp->rd_state);
1.95 niallo 2981:
1.99 niallo 2982: if ((rdp->rd_state = strdup(state)) == NULL)
1.95 niallo 2983: return (-1);
2984:
2985: rfp->rf_flags &= ~RCS_SYNCED;
2986:
2987: return (0);
2988: }
2989:
2990: /*
2991: * rcs_state_check()
2992: *
2993: * Check if string <state> is valid.
2994: *
1.96 xsa 2995: * Returns 0 if the string is valid, -1 otherwise.
1.95 niallo 2996: */
2997: int
2998: rcs_state_check(const char *state)
2999: {
3000: if (strchr(state, ' ') != NULL)
3001: return (-1);
3002:
1.18 jfb 3003: return (0);
1.1 jfb 3004: }
1.97 niallo 3005:
3006: /*
3007: * rcs_state_get()
3008: *
3009: * Get the state for a given revision of a specified RCSFILE.
3010: *
3011: * Returns NULL on failure.
3012: */
3013: const char *
3014: rcs_state_get(RCSFILE *rfp, RCSNUM *rev)
3015: {
3016: struct rcs_delta *rdp;
3017:
3018: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
3019: return (NULL);
3020:
3021: return (rdp->rd_state);
3022: }
3023:
1.105 joris 3024:
1.106 joris 3025: #if !defined(RCSPROG)
3026:
1.105 joris 3027: static char *month_tab[] = {
3028: "Jan",
3029: "Feb",
3030: "Mar",
3031: "Apr",
3032: "May",
3033: "Jun",
3034: "Jul",
3035: "Aug",
3036: "Sep",
3037: "Oct",
3038: "Nov",
3039: "Dec"
3040: };
3041:
3042: /*
3043: * Checkout a certain revision <rev> of RCS file <rf> to either standard
3044: * output when running in server mode, or to <fpath> when running in local mode.
3045: *
3046: * If type is CHECKOUT_REV_MERGED we have an extra argument, which
3047: * is the buffer containing the merged file.
3048: *
3049: * If type is CHECKOUT_REV_REMOVED, the file has been removed and we
3050: * need to do the same thing.
3051: */
3052: int
3053: cvs_checkout_rev(RCSFILE *rf, RCSNUM *rev, CVSFILE *cf, char *fpath,
3054: int local, int type, ...)
3055: {
3056: BUF *bp;
3057: int l, ret, fsize;
3058: char timebuf[32], entry[MAXPATHLEN], copyfile[MAXPATHLEN];
3059: char *content, *repo, buf[MAXPATHLEN], modestr[16];
3060: struct cvsroot *root;
3061: struct cvs_ent *ent;
3062: va_list ap;
3063: time_t rcstime;
3064: struct timeval tv[2];
3065: struct tm *tp;
3066: RCSNUM *oldrev;
3067:
3068: bp = NULL;
3069: ret = -1;
3070: content = NULL;
3071: oldrev = NULL;
3072:
3073: if ((type != CHECKOUT_REV_MERGED) && (type != CHECKOUT_REV_REMOVED)) {
3074: /* fetch the contents of the revision */
3075: if ((bp = rcs_getrev(rf, rev)) == NULL) {
3076: cvs_log(LP_ERR, "revision '%s' not found in file '%s'",
3077: rcsnum_tostr(rev, buf, sizeof(buf)), fpath);
3078: goto out;
3079: }
3080: } else if (type != CHECKOUT_REV_REMOVED) {
3081: va_start(ap, type);
3082: bp = va_arg(ap, BUF *);
3083: va_end(ap);
3084: }
3085:
3086: if (type == CHECKOUT_REV_CREATED)
3087: rcstime = rcs_rev_getdate(rf, rev);
1.108 joris 3088: else if (type == CHECKOUT_REV_MERGED ||
3089: type == CHECKOUT_REV_UPDATED) {
1.105 joris 3090: time(&rcstime);
1.108 joris 3091: if ((rcstime = cvs_hack_time(rcstime, 1)) < 0)
3092: goto out;
3093: }
1.105 joris 3094:
1.108 joris 3095: if (type == CHECKOUT_REV_CREATED ||
3096: type == CHECKOUT_REV_UPDATED) {
1.105 joris 3097: ctime_r(&rcstime, timebuf);
3098: l = strlen(timebuf);
3099: if ((l > 0) && (timebuf[l - 1] == '\n'))
3100: timebuf[--l] = '\0';
3101:
3102: l = snprintf(entry, sizeof(entry), "/%s/%s/%s/%s/", cf->cf_name,
3103: rcsnum_tostr(rev, buf, sizeof(buf)),
3104: (local == 1) ? timebuf : "",
3105: (type == CHECKOUT_REV_MERGED) ? "+=" : "");
3106: if (l == -1 || l >= (int)sizeof(buf))
3107: goto out;
3108: }
3109:
3110: if (type == CHECKOUT_REV_MERGED) {
3111: if ((oldrev = rcsnum_alloc()) == NULL)
3112: goto out;
3113:
3114: if (rcsnum_cpy(rev, oldrev, 0) < 0)
3115: goto out;
3116:
3117: if (rcsnum_dec(oldrev) == NULL)
3118: goto out;
3119:
3120: l = snprintf(copyfile, sizeof(copyfile), ".#%s.%s",
3121: cf->cf_name, rcsnum_tostr(oldrev, buf, sizeof(buf)));
3122: if (l == -1 || l >= (int)sizeof(copyfile))
3123: goto out;
3124: }
3125:
3126: root = CVS_DIR_ROOT(cf);
3127: repo = CVS_DIR_REPO(cf);
3128:
3129: /*
3130: * In local mode, just copy the entire contents to fpath.
3131: * In server mode, we need to send it to the client together with
3132: * some responses.
3133: */
3134: if (local) {
3135: l = 0;
3136: if (cf->cf_entry == NULL) {
3137: l = 1;
3138: cf->cf_entry = cvs_ent_open(cf->cf_dir, O_RDWR);
3139: if (cf->cf_entry == NULL) {
3140: cvs_log(LP_ERR,
3141: "failed to open Entry file '%s'", cf->cf_dir);
3142: goto out;
3143: }
3144: }
3145:
3146: cvs_ent_remove(cf->cf_entry, cf->cf_name, 1);
3147: if (type != CHECKOUT_REV_REMOVED) {
3148: cvs_ent_addln(cf->cf_entry, entry);
3149: ent = cvs_ent_get(cf->cf_entry, cf->cf_name);
3150: ent->processed = 1;
3151: }
3152:
3153: if (l == 1)
3154: cvs_ent_close(cf->cf_entry);
3155:
3156: switch (type) {
3157: case CHECKOUT_REV_REMOVED:
3158: if (cvs_unlink(fpath) < 0)
3159: goto out;
3160: break;
3161: case CHECKOUT_REV_MERGED:
3162: /* XXX move the old file when merging */
1.108 joris 3163: case CHECKOUT_REV_UPDATED:
1.105 joris 3164: case CHECKOUT_REV_CREATED:
3165: if (cvs_buf_write(bp, fpath, cf->cf_mode) < 0) {
3166: cvs_log(LP_ERR, "failed to update file '%s'",
3167: fpath);
3168: goto out;
3169: }
3170:
1.107 joris 3171: /*
3172: * correct the time first
3173: */
3174: if ((rcstime = cvs_hack_time(rcstime, 0)) == 0)
3175: goto out;
3176:
1.105 joris 3177: tv[0].tv_sec = rcstime;
3178: tv[0].tv_usec = 0;
3179: tv[1] = tv[0];
3180: if (utimes(fpath, tv) == -1)
3181: cvs_log(LP_ERRNO, "failed to set timestamps");
3182: break;
3183: }
3184: } else {
3185: /* sanity */
3186: if (cf->cf_type != DT_REG) {
3187: cvs_log(LP_ERR, "cvs_checkout_rev: none DT_REG file");
3188: goto out;
3189: }
3190:
3191: /*
3192: * if we are removing a file, we don't need this stuff.
3193: */
3194: if (type != CHECKOUT_REV_REMOVED) {
1.107 joris 3195: if ((rcstime = cvs_hack_time(rcstime, 0)) == 0)
3196: goto out;
3197:
1.105 joris 3198: tp = gmtime(&rcstime);
3199: l = snprintf(timebuf, sizeof(timebuf),
3200: "%02d %s %d %02d:%02d:%02d -0000",
3201: tp->tm_mday, month_tab[tp->tm_mon],
3202: tp->tm_year + 1900, tp->tm_hour,
3203: tp->tm_min, tp->tm_sec);
3204: if (l == -1 || l >= (int)sizeof(timebuf))
3205: goto out;
3206:
3207: fsize = cvs_buf_len(bp);
3208: cvs_modetostr(cf->cf_mode, modestr, sizeof(modestr));
3209: if (cvs_buf_putc(bp, '\0') < 0)
3210: goto out;
3211: content = cvs_buf_release(bp);
3212: bp = NULL;
3213: }
3214:
3215: if (type == CHECKOUT_REV_MERGED) {
3216: printf("Copy-file %s/\n", (cf->cf_dir != NULL) ?
3217: cf->cf_dir : ".");
3218: printf("%s/%s/%s\n", root->cr_dir, repo, cf->cf_name);
3219: printf("%s\n", copyfile);
3220: }
3221:
3222: switch (type) {
3223: case CHECKOUT_REV_MERGED:
3224: printf("Merged");
3225: break;
3226: case CHECKOUT_REV_REMOVED:
3227: printf("Removed");
3228: break;
3229: case CHECKOUT_REV_CREATED:
3230: printf("Mod-time %s\n", timebuf);
3231: printf("Created");
3232: break;
3233: default:
3234: cvs_log(LP_ERR, "cvs_checkout_rev: bad type %d",
3235: type);
3236: goto out;
3237: }
3238:
3239: printf(" %s/\n", (cf->cf_dir != NULL) ? cf->cf_dir : ".");
3240: printf("%s/%s\n", repo, cf->cf_name);
3241:
3242: if (type != CHECKOUT_REV_REMOVED) {
3243: printf("%s\n", entry);
3244: printf("%s\n%d\n%s", modestr, fsize, content);
3245: }
3246: }
3247:
3248: ret = 0;
3249:
3250: out:
3251: if (oldrev != NULL)
3252: rcsnum_free(oldrev);
3253: if (bp != NULL)
3254: cvs_buf_free(bp);
3255: if (content != NULL)
3256: free(content);
3257:
3258: return (ret);
3259: }
1.106 joris 3260:
3261: #endif
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