Annotation of src/usr.bin/cvs/rcs.c, Revision 1.165
1.165 ! joris 1: /* $OpenBSD: rcs.c,v 1.164 2006/04/12 22:54:23 ray 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:
1.123 xsa 27: #include "includes.h"
1.1 jfb 28:
1.94 joris 29: #include "cvs.h"
1.55 xsa 30: #include "log.h"
1.1 jfb 31: #include "rcs.h"
1.81 niallo 32: #include "diff.h"
1.1 jfb 33:
1.57 xsa 34: #define RCS_BUFSIZE 16384
35: #define RCS_BUFEXTSIZE 8192
1.117 niallo 36: #define RCS_KWEXP_SIZE 1024
1.1 jfb 37:
38:
39: /* RCS token types */
1.57 xsa 40: #define RCS_TOK_ERR -1
41: #define RCS_TOK_EOF 0
42: #define RCS_TOK_NUM 1
43: #define RCS_TOK_ID 2
44: #define RCS_TOK_STRING 3
45: #define RCS_TOK_SCOLON 4
46: #define RCS_TOK_COLON 5
47:
48:
49: #define RCS_TOK_HEAD 8
50: #define RCS_TOK_BRANCH 9
51: #define RCS_TOK_ACCESS 10
52: #define RCS_TOK_SYMBOLS 11
53: #define RCS_TOK_LOCKS 12
54: #define RCS_TOK_COMMENT 13
55: #define RCS_TOK_EXPAND 14
56: #define RCS_TOK_DATE 15
57: #define RCS_TOK_AUTHOR 16
58: #define RCS_TOK_STATE 17
59: #define RCS_TOK_NEXT 18
60: #define RCS_TOK_BRANCHES 19
61: #define RCS_TOK_DESC 20
62: #define RCS_TOK_LOG 21
63: #define RCS_TOK_TEXT 22
64: #define RCS_TOK_STRICT 23
1.1 jfb 65:
1.57 xsa 66: #define RCS_ISKEY(t) (((t) >= RCS_TOK_HEAD) && ((t) <= RCS_TOK_BRANCHES))
1.1 jfb 67:
68:
1.57 xsa 69: #define RCS_NOSCOL 0x01 /* no terminating semi-colon */
70: #define RCS_VOPT 0x02 /* value is optional */
1.1 jfb 71:
72:
73: /* opaque parse data */
74: struct rcs_pdata {
1.57 xsa 75: u_int rp_lines;
1.1 jfb 76:
1.57 xsa 77: char *rp_buf;
78: size_t rp_blen;
79: char *rp_bufend;
80: size_t rp_tlen;
1.1 jfb 81:
82: /* pushback token buffer */
1.57 xsa 83: char rp_ptok[128];
84: int rp_pttype; /* token type, RCS_TOK_ERR if no token */
1.1 jfb 85:
1.57 xsa 86: FILE *rp_file;
1.1 jfb 87: };
88:
89:
1.57 xsa 90: #define RCS_TOKSTR(rfp) ((struct rcs_pdata *)rfp->rf_pdata)->rp_buf
91: #define RCS_TOKLEN(rfp) ((struct rcs_pdata *)rfp->rf_pdata)->rp_tlen
1.1 jfb 92:
93:
1.47 jfb 94: /* invalid characters in RCS symbol names */
1.49 jfb 95: static const char rcs_sym_invch[] = RCS_SYM_INVALCHAR;
1.47 jfb 96:
1.51 jfb 97:
98: /* comment leaders, depending on the file's suffix */
99: static const struct rcs_comment {
1.57 xsa 100: const char *rc_suffix;
101: const char *rc_cstr;
1.51 jfb 102: } rcs_comments[] = {
103: { "1", ".\\\" " },
104: { "2", ".\\\" " },
105: { "3", ".\\\" " },
106: { "4", ".\\\" " },
107: { "5", ".\\\" " },
108: { "6", ".\\\" " },
109: { "7", ".\\\" " },
110: { "8", ".\\\" " },
111: { "9", ".\\\" " },
112: { "a", "-- " }, /* Ada */
113: { "ada", "-- " },
114: { "adb", "-- " },
115: { "asm", ";; " }, /* assembler (MS-DOS) */
116: { "ads", "-- " }, /* Ada */
117: { "bat", ":: " }, /* batch (MS-DOS) */
118: { "body", "-- " }, /* Ada */
119: { "c", " * " }, /* C */
120: { "c++", "// " }, /* C++ */
121: { "cc", "// " },
122: { "cpp", "// " },
123: { "cxx", "// " },
124: { "m", "// " }, /* Objective-C */
125: { "cl", ";;; " }, /* Common Lisp */
126: { "cmd", ":: " }, /* command (OS/2) */
127: { "cmf", "c " }, /* CM Fortran */
128: { "csh", "# " }, /* shell */
129: { "e", "# " }, /* efl */
130: { "epsf", "% " }, /* encapsulated postscript */
131: { "epsi", "% " }, /* encapsulated postscript */
132: { "el", "; " }, /* Emacs Lisp */
133: { "f", "c " }, /* Fortran */
134: { "for", "c " },
135: { "h", " * " }, /* C-header */
136: { "hh", "// " }, /* C++ header */
137: { "hpp", "// " },
138: { "hxx", "// " },
139: { "in", "# " }, /* for Makefile.in */
140: { "l", " * " }, /* lex */
141: { "mac", ";; " }, /* macro (DEC-10, MS-DOS, PDP-11, VMS, etc) */
142: { "mak", "# " }, /* makefile, e.g. Visual C++ */
143: { "me", ".\\\" " }, /* me-macros t/nroff */
144: { "ml", "; " }, /* mocklisp */
145: { "mm", ".\\\" " }, /* mm-macros t/nroff */
146: { "ms", ".\\\" " }, /* ms-macros t/nroff */
147: { "man", ".\\\" " }, /* man-macros t/nroff */
148: { "p", " * " }, /* pascal */
149: { "pas", " * " },
1.52 jfb 150: { "pl", "# " }, /* Perl (conflict with Prolog) */
151: { "pm", "# " }, /* Perl module */
1.51 jfb 152: { "ps", "% " }, /* postscript */
153: { "psw", "% " }, /* postscript wrap */
154: { "pswm", "% " }, /* postscript wrap */
155: { "r", "# " }, /* ratfor */
156: { "rc", " * " }, /* Microsoft Windows resource file */
157: { "red", "% " }, /* psl/rlisp */
158: { "sh", "# " }, /* shell */
159: { "sl", "% " }, /* psl */
160: { "spec", "-- " }, /* Ada */
161: { "tex", "% " }, /* tex */
162: { "y", " * " }, /* yacc */
163: { "ye", " * " }, /* yacc-efl */
164: { "yr", " * " }, /* yacc-ratfor */
165: };
166:
1.128 niallo 167: struct rcs_kw rcs_expkw[] = {
168: { "Author", RCS_KW_AUTHOR },
169: { "Date", RCS_KW_DATE },
170: { "Header", RCS_KW_HEADER },
171: { "Id", RCS_KW_ID },
172: { "Log", RCS_KW_LOG },
173: { "Name", RCS_KW_NAME },
174: { "RCSfile", RCS_KW_RCSFILE },
175: { "Revision", RCS_KW_REVISION },
176: { "Source", RCS_KW_SOURCE },
177: { "State", RCS_KW_STATE },
178: };
179:
1.57 xsa 180: #define NB_COMTYPES (sizeof(rcs_comments)/sizeof(rcs_comments[0]))
1.51 jfb 181:
1.33 jfb 182: #ifdef notyet
1.20 jfb 183: static struct rcs_kfl {
1.57 xsa 184: char rk_char;
185: int rk_val;
1.20 jfb 186: } rcs_kflags[] = {
187: { 'k', RCS_KWEXP_NAME },
188: { 'v', RCS_KWEXP_VAL },
189: { 'l', RCS_KWEXP_LKR },
190: { 'o', RCS_KWEXP_OLD },
191: { 'b', RCS_KWEXP_NONE },
192: };
1.33 jfb 193: #endif
1.20 jfb 194:
1.1 jfb 195: static struct rcs_key {
1.57 xsa 196: char rk_str[16];
197: int rk_id;
198: int rk_val;
199: int rk_flags;
1.1 jfb 200: } rcs_keys[] = {
201: { "access", RCS_TOK_ACCESS, RCS_TOK_ID, RCS_VOPT },
1.41 jfb 202: { "author", RCS_TOK_AUTHOR, RCS_TOK_ID, 0 },
1.1 jfb 203: { "branch", RCS_TOK_BRANCH, RCS_TOK_NUM, RCS_VOPT },
204: { "branches", RCS_TOK_BRANCHES, RCS_TOK_NUM, RCS_VOPT },
205: { "comment", RCS_TOK_COMMENT, RCS_TOK_STRING, RCS_VOPT },
206: { "date", RCS_TOK_DATE, RCS_TOK_NUM, 0 },
207: { "desc", RCS_TOK_DESC, RCS_TOK_STRING, RCS_NOSCOL },
208: { "expand", RCS_TOK_EXPAND, RCS_TOK_STRING, RCS_VOPT },
209: { "head", RCS_TOK_HEAD, RCS_TOK_NUM, RCS_VOPT },
210: { "locks", RCS_TOK_LOCKS, RCS_TOK_ID, 0 },
211: { "log", RCS_TOK_LOG, RCS_TOK_STRING, RCS_NOSCOL },
212: { "next", RCS_TOK_NEXT, RCS_TOK_NUM, RCS_VOPT },
1.41 jfb 213: { "state", RCS_TOK_STATE, RCS_TOK_ID, RCS_VOPT },
1.1 jfb 214: { "strict", RCS_TOK_STRICT, 0, 0, },
215: { "symbols", RCS_TOK_SYMBOLS, 0, 0 },
216: { "text", RCS_TOK_TEXT, RCS_TOK_STRING, RCS_NOSCOL },
217: };
218:
1.57 xsa 219: #define RCS_NKEYS (sizeof(rcs_keys)/sizeof(rcs_keys[0]))
1.1 jfb 220:
1.33 jfb 221:
1.32 jfb 222: static const char *rcs_errstrs[] = {
223: "No error",
224: "No such entry",
225: "Duplicate entry found",
226: "Bad RCS number",
1.48 jfb 227: "Invalid RCS symbol",
228: "Parse error",
1.32 jfb 229: };
230:
231: #define RCS_NERR (sizeof(rcs_errstrs)/sizeof(rcs_errstrs[0]))
232:
233:
234: int rcs_errno = RCS_ERR_NOERR;
1.134 joris 235: char *timezone_flag = NULL;
1.1 jfb 236:
1.117 niallo 237: static int rcs_parse_init(RCSFILE *);
1.57 xsa 238: static int rcs_parse_admin(RCSFILE *);
239: static int rcs_parse_delta(RCSFILE *);
1.146 xsa 240: static void rcs_parse_deltas(RCSFILE *, RCSNUM *);
1.57 xsa 241: static int rcs_parse_deltatext(RCSFILE *);
1.146 xsa 242: static void rcs_parse_deltatexts(RCSFILE *, RCSNUM *);
1.148 xsa 243: static void rcs_parse_desc(RCSFILE *, RCSNUM *);
1.57 xsa 244:
245: static int rcs_parse_access(RCSFILE *);
246: static int rcs_parse_symbols(RCSFILE *);
247: static int rcs_parse_locks(RCSFILE *);
248: static int rcs_parse_branches(RCSFILE *, struct rcs_delta *);
249: static void rcs_freedelta(struct rcs_delta *);
250: static void rcs_freepdata(struct rcs_pdata *);
251: static int rcs_gettok(RCSFILE *);
252: static int rcs_pushtok(RCSFILE *, const char *, int);
1.151 xsa 253: static void rcs_growbuf(RCSFILE *);
1.155 ray 254: static void rcs_strprint(const u_char *, size_t, FILE *);
1.57 xsa 255:
1.131 niallo 256: static char* rcs_expand_keywords(char *, struct rcs_delta *, char *,
1.125 niallo 257: size_t, int);
1.26 jfb 258:
1.1 jfb 259: /*
260: * rcs_open()
261: *
262: * Open a file containing RCS-formatted information. The file's path is
1.26 jfb 263: * given in <path>, and the opening flags are given in <flags>, which is either
264: * RCS_READ, RCS_WRITE, or RCS_RDWR. If the open requests write access and
265: * the file does not exist, the RCS_CREATE flag must also be given, in which
266: * case it will be created with the mode specified in a third argument of
267: * type mode_t. If the file exists and RCS_CREATE is passed, the open will
268: * fail.
1.1 jfb 269: * Returns a handle to the opened file on success, or NULL on failure.
270: */
1.60 xsa 271: RCSFILE *
1.26 jfb 272: rcs_open(const char *path, int flags, ...)
1.1 jfb 273: {
1.159 joris 274: int ret, mode;
1.26 jfb 275: mode_t fmode;
1.1 jfb 276: RCSFILE *rfp;
277: struct stat st;
1.26 jfb 278: va_list vap;
1.109 joris 279: struct rcs_delta *rdp;
280: struct rcs_lock *lkr;
1.26 jfb 281:
1.152 niallo 282: fmode = S_IRUSR|S_IRGRP|S_IROTH;
1.26 jfb 283: flags &= 0xffff; /* ditch any internal flags */
1.1 jfb 284:
1.26 jfb 285: if (((ret = stat(path, &st)) == -1) && (errno == ENOENT)) {
286: if (flags & RCS_CREATE) {
287: va_start(vap, flags);
1.159 joris 288: mode = va_arg(vap, int);
1.26 jfb 289: va_end(vap);
1.159 joris 290: fmode = (mode_t)mode;
1.26 jfb 291: } else {
1.105 joris 292: /* XXX, make this command dependant? */
293: #if 0
1.26 jfb 294: cvs_log(LP_ERR, "RCS file `%s' does not exist", path);
1.105 joris 295: #endif
1.127 xsa 296: rcs_errno = RCS_ERR_NOENT;
1.26 jfb 297: return (NULL);
298: }
299: } else if ((ret == 0) && (flags & RCS_CREATE)) {
300: cvs_log(LP_ERR, "RCS file `%s' exists", path);
1.1 jfb 301: return (NULL);
302: }
303:
1.161 ray 304: rfp = xcalloc(1, sizeof(*rfp));
1.1 jfb 305:
1.110 joris 306: rfp->rf_path = xstrdup(path);
1.142 niallo 307: rfp->rf_flags = flags | RCS_SLOCK | RCS_SYNCED;
1.26 jfb 308: rfp->rf_mode = fmode;
1.1 jfb 309:
310: TAILQ_INIT(&(rfp->rf_delta));
1.29 jfb 311: TAILQ_INIT(&(rfp->rf_access));
1.1 jfb 312: TAILQ_INIT(&(rfp->rf_symbols));
313: TAILQ_INIT(&(rfp->rf_locks));
314:
1.122 reyk 315: if (!(rfp->rf_flags & RCS_CREATE)
1.120 niallo 316: && (rcs_parse_init(rfp) < 0)) {
1.1 jfb 317: rcs_close(rfp);
318: return (NULL);
319: }
320:
1.109 joris 321: /* fill in rd_locker */
322: TAILQ_FOREACH(lkr, &(rfp->rf_locks), rl_list) {
323: if ((rdp = rcs_findrev(rfp, lkr->rl_num)) == NULL) {
324: rcs_close(rfp);
325: return (NULL);
326: }
327:
1.110 joris 328: rdp->rd_locker = xstrdup(lkr->rl_name);
1.109 joris 329: }
330:
1.1 jfb 331: return (rfp);
332: }
333:
334: /*
335: * rcs_close()
336: *
337: * Close an RCS file handle.
338: */
339: void
340: rcs_close(RCSFILE *rfp)
341: {
342: struct rcs_delta *rdp;
1.71 moritz 343: struct rcs_access *rap;
1.13 jfb 344: struct rcs_lock *rlp;
345: struct rcs_sym *rsp;
1.1 jfb 346:
1.26 jfb 347: if ((rfp->rf_flags & RCS_WRITE) && !(rfp->rf_flags & RCS_SYNCED))
348: rcs_write(rfp);
349:
1.1 jfb 350: while (!TAILQ_EMPTY(&(rfp->rf_delta))) {
351: rdp = TAILQ_FIRST(&(rfp->rf_delta));
352: TAILQ_REMOVE(&(rfp->rf_delta), rdp, rd_list);
353: rcs_freedelta(rdp);
1.71 moritz 354: }
355:
356: while (!TAILQ_EMPTY(&(rfp->rf_access))) {
357: rap = TAILQ_FIRST(&(rfp->rf_access));
358: TAILQ_REMOVE(&(rfp->rf_access), rap, ra_list);
1.110 joris 359: xfree(rap->ra_name);
360: xfree(rap);
1.1 jfb 361: }
362:
1.13 jfb 363: while (!TAILQ_EMPTY(&(rfp->rf_symbols))) {
364: rsp = TAILQ_FIRST(&(rfp->rf_symbols));
365: TAILQ_REMOVE(&(rfp->rf_symbols), rsp, rs_list);
366: rcsnum_free(rsp->rs_num);
1.110 joris 367: xfree(rsp->rs_name);
368: xfree(rsp);
1.13 jfb 369: }
370:
371: while (!TAILQ_EMPTY(&(rfp->rf_locks))) {
372: rlp = TAILQ_FIRST(&(rfp->rf_locks));
373: TAILQ_REMOVE(&(rfp->rf_locks), rlp, rl_list);
374: rcsnum_free(rlp->rl_num);
1.110 joris 375: xfree(rlp->rl_name);
376: xfree(rlp);
1.13 jfb 377: }
378:
1.1 jfb 379: if (rfp->rf_head != NULL)
380: rcsnum_free(rfp->rf_head);
1.11 joris 381: if (rfp->rf_branch != NULL)
382: rcsnum_free(rfp->rf_branch);
1.1 jfb 383:
384: if (rfp->rf_path != NULL)
1.110 joris 385: xfree(rfp->rf_path);
1.1 jfb 386: if (rfp->rf_comment != NULL)
1.110 joris 387: xfree(rfp->rf_comment);
1.1 jfb 388: if (rfp->rf_expand != NULL)
1.110 joris 389: xfree(rfp->rf_expand);
1.1 jfb 390: if (rfp->rf_desc != NULL)
1.110 joris 391: xfree(rfp->rf_desc);
1.118 joris 392: if (rfp->rf_pdata != NULL)
393: rcs_freepdata(rfp->rf_pdata);
1.110 joris 394: xfree(rfp);
1.1 jfb 395: }
396:
397: /*
398: * rcs_write()
399: *
400: * Write the contents of the RCS file handle <rfp> to disk in the file whose
401: * path is in <rf_path>.
402: * Returns 0 on success, or -1 on failure.
403: */
1.152 niallo 404: int
1.1 jfb 405: rcs_write(RCSFILE *rfp)
406: {
407: FILE *fp;
1.72 niallo 408: char buf[1024], numbuf[64], fn[19] = "";
409: void *bp;
1.29 jfb 410: struct rcs_access *ap;
1.1 jfb 411: struct rcs_sym *symp;
1.46 jfb 412: struct rcs_branch *brp;
1.1 jfb 413: struct rcs_delta *rdp;
1.75 joris 414: struct rcs_lock *lkp;
1.155 ray 415: ssize_t nread, nwritten;
1.100 xsa 416: size_t len;
1.72 niallo 417: int fd, from_fd, to_fd;
1.75 joris 418:
1.72 niallo 419: from_fd = to_fd = fd = -1;
1.1 jfb 420:
1.137 joris 421: if (rfp->rf_flags & RCS_SYNCED)
422: return (0);
423:
1.117 niallo 424: /* Write operations need the whole file parsed */
425: rcs_parse_deltatexts(rfp, NULL);
1.1 jfb 426:
1.72 niallo 427: strlcpy(fn, "/tmp/rcs.XXXXXXXXXX", sizeof(fn));
1.113 xsa 428: if ((fd = mkstemp(fn)) == -1)
429: fatal("mkstemp: `%s': %s", fn, strerror(errno));
430:
431: if ((fp = fdopen(fd, "w+")) == NULL) {
432: fd = errno;
433: unlink(fn);
434: fatal("fdopen: %s", strerror(fd));
1.1 jfb 435: }
436:
1.28 jfb 437: if (rfp->rf_head != NULL)
438: rcsnum_tostr(rfp->rf_head, numbuf, sizeof(numbuf));
439: else
440: numbuf[0] = '\0';
441:
1.1 jfb 442: fprintf(fp, "head\t%s;\n", numbuf);
1.35 jfb 443:
444: if (rfp->rf_branch != NULL) {
445: rcsnum_tostr(rfp->rf_branch, numbuf, sizeof(numbuf));
446: fprintf(fp, "branch\t%s;\n", numbuf);
447: }
448:
1.29 jfb 449: fputs("access", fp);
450: TAILQ_FOREACH(ap, &(rfp->rf_access), ra_list) {
451: fprintf(fp, "\n\t%s", ap->ra_name);
452: }
453: fputs(";\n", fp);
1.1 jfb 454:
1.85 joris 455: fprintf(fp, "symbols");
1.1 jfb 456: TAILQ_FOREACH(symp, &(rfp->rf_symbols), rs_list) {
457: rcsnum_tostr(symp->rs_num, numbuf, sizeof(numbuf));
1.126 xsa 458: strlcpy(buf, symp->rs_name, sizeof(buf));
459: strlcat(buf, ":", sizeof(buf));
460: strlcat(buf, numbuf, sizeof(buf));
1.85 joris 461: fprintf(fp, "\n\t%s", buf);
1.1 jfb 462: }
463: fprintf(fp, ";\n");
464:
1.75 joris 465: fprintf(fp, "locks");
466: TAILQ_FOREACH(lkp, &(rfp->rf_locks), rl_list) {
467: rcsnum_tostr(lkp->rl_num, numbuf, sizeof(numbuf));
468: fprintf(fp, "\n\t%s:%s", lkp->rl_name, numbuf);
469: }
470:
471: fprintf(fp, ";");
1.1 jfb 472:
1.26 jfb 473: if (rfp->rf_flags & RCS_SLOCK)
1.1 jfb 474: fprintf(fp, " strict;");
475: fputc('\n', fp);
476:
1.129 xsa 477: fputs("comment\t@", fp);
1.42 jfb 478: if (rfp->rf_comment != NULL) {
1.58 xsa 479: rcs_strprint((const u_char *)rfp->rf_comment,
480: strlen(rfp->rf_comment), fp);
1.42 jfb 481: fputs("@;\n", fp);
1.129 xsa 482: } else
483: fputs("# @;\n", fp);
1.1 jfb 484:
1.42 jfb 485: if (rfp->rf_expand != NULL) {
486: fputs("expand @", fp);
1.58 xsa 487: rcs_strprint((const u_char *)rfp->rf_expand,
488: strlen(rfp->rf_expand), fp);
1.42 jfb 489: fputs("@;\n", fp);
490: }
1.1 jfb 491:
1.46 jfb 492: fputs("\n\n", fp);
1.1 jfb 493:
494: TAILQ_FOREACH(rdp, &(rfp->rf_delta), rd_list) {
495: fprintf(fp, "%s\n", rcsnum_tostr(rdp->rd_num, numbuf,
496: sizeof(numbuf)));
497: fprintf(fp, "date\t%d.%02d.%02d.%02d.%02d.%02d;",
1.44 jfb 498: rdp->rd_date.tm_year + 1900, rdp->rd_date.tm_mon + 1,
1.1 jfb 499: rdp->rd_date.tm_mday, rdp->rd_date.tm_hour,
500: rdp->rd_date.tm_min, rdp->rd_date.tm_sec);
501: fprintf(fp, "\tauthor %s;\tstate %s;\n",
502: rdp->rd_author, rdp->rd_state);
1.46 jfb 503: fputs("branches", fp);
504: TAILQ_FOREACH(brp, &(rdp->rd_branches), rb_list) {
505: fprintf(fp, " %s", rcsnum_tostr(brp->rb_num, numbuf,
506: sizeof(numbuf)));
507: }
508: fputs(";\n", fp);
1.1 jfb 509: fprintf(fp, "next\t%s;\n\n", rcsnum_tostr(rdp->rd_next,
510: numbuf, sizeof(numbuf)));
511: }
512:
1.42 jfb 513: fputs("\ndesc\n@", fp);
1.141 ray 514: if (rfp->rf_desc != NULL && (len = strlen(rfp->rf_desc)) > 0) {
1.100 xsa 515: rcs_strprint((const u_char *)rfp->rf_desc, len, fp);
516: if (rfp->rf_desc[len-1] != '\n')
517: fputc('\n', fp);
518: }
519: fputs("@\n", fp);
1.1 jfb 520:
521: /* deltatexts */
522: TAILQ_FOREACH(rdp, &(rfp->rf_delta), rd_list) {
1.100 xsa 523: fprintf(fp, "\n\n%s\n", rcsnum_tostr(rdp->rd_num, numbuf,
1.1 jfb 524: sizeof(numbuf)));
1.42 jfb 525: fputs("log\n@", fp);
1.100 xsa 526: if (rdp->rd_log != NULL) {
527: len = strlen(rdp->rd_log);
528: rcs_strprint((const u_char *)rdp->rd_log, len, fp);
529: if (rdp->rd_log[len-1] != '\n')
530: fputc('\n', fp);
531: }
1.42 jfb 532: fputs("@\ntext\n@", fp);
1.100 xsa 533: if (rdp->rd_text != NULL) {
534: rcs_strprint(rdp->rd_text, rdp->rd_tlen, fp);
1.103 joris 535:
536: if (rdp->rd_tlen != 0) {
537: if (rdp->rd_text[rdp->rd_tlen-1] != '\n')
538: fputc('\n', fp);
539: }
1.100 xsa 540: }
541: fputs("@\n", fp);
1.1 jfb 542: }
543: fclose(fp);
1.73 joris 544:
1.72 niallo 545: /*
546: * We try to use rename() to atomically put the new file in place.
547: * If that fails, we try a copy.
548: */
549: if (rename(fn, rfp->rf_path) == -1) {
550: if (errno == EXDEV) {
551: /* rename() not supported so we have to copy. */
552: if ((chmod(rfp->rf_path, S_IWUSR) == -1)
553: && !(rfp->rf_flags & RCS_CREATE)) {
1.113 xsa 554: fatal("chmod(%s, 0%o) failed",
555: rfp->rf_path, S_IWUSR);
1.72 niallo 556: }
1.73 joris 557:
1.72 niallo 558: if ((from_fd = open(fn, O_RDONLY)) == -1) {
559: cvs_log(LP_ERRNO, "failed to open `%s'",
560: rfp->rf_path);
561: return (-1);
562: }
1.73 joris 563:
1.80 reyk 564: if ((to_fd = open(rfp->rf_path,
565: O_WRONLY|O_TRUNC|O_CREAT)) == -1) {
1.73 joris 566: cvs_log(LP_ERRNO, "failed to open `%s'", fn);
1.72 niallo 567: close(from_fd);
568: return (-1);
569: }
1.73 joris 570:
1.110 joris 571: bp = xmalloc(MAXBSIZE);
1.155 ray 572: for (;;) {
573: if ((nread = read(from_fd, bp, MAXBSIZE)) == 0)
574: break;
575: if (nread == -1)
576: goto err;
577: nwritten = write(to_fd, bp, (size_t)nread);
578: if (nwritten == -1 || nwritten != nread)
1.72 niallo 579: goto err;
580: }
1.73 joris 581:
1.72 niallo 582: if (nread < 0) {
583: err: if (unlink(rfp->rf_path) == -1)
584: cvs_log(LP_ERRNO,
585: "failed to unlink `%s'",
586: rfp->rf_path);
587: close(from_fd);
588: close(to_fd);
1.110 joris 589: xfree(bp);
1.72 niallo 590: return (-1);
591: }
1.73 joris 592:
1.72 niallo 593: close(from_fd);
594: close(to_fd);
1.110 joris 595: xfree(bp);
1.73 joris 596:
1.72 niallo 597: if (unlink(fn) == -1) {
598: cvs_log(LP_ERRNO,
1.73 joris 599: "failed to unlink `%s'", fn);
1.72 niallo 600: return (-1);
601: }
602: } else {
603: cvs_log(LP_ERRNO,
604: "failed to access temp RCS output file");
605: return (-1);
606: }
607: }
1.73 joris 608:
1.152 niallo 609: if ((chmod(rfp->rf_path, rfp->rf_mode) == -1)) {
1.72 niallo 610: cvs_log(LP_ERRNO, "failed to chmod `%s'",
611: rfp->rf_path);
612: return (-1);
613: }
1.73 joris 614:
1.26 jfb 615: rfp->rf_flags |= RCS_SYNCED;
1.1 jfb 616:
617: return (0);
618: }
619:
620: /*
1.43 jfb 621: * rcs_head_get()
622: *
623: * Retrieve the revision number of the head revision for the RCS file <file>.
624: */
1.60 xsa 625: const RCSNUM *
1.43 jfb 626: rcs_head_get(RCSFILE *file)
627: {
628: return (file->rf_head);
629: }
630:
631: /*
632: * rcs_head_set()
633: *
634: * Set the revision number of the head revision for the RCS file <file> to
635: * <rev>, which must reference a valid revision within the file.
636: */
637: int
1.117 niallo 638: rcs_head_set(RCSFILE *file, RCSNUM *rev)
1.43 jfb 639: {
640: struct rcs_delta *rd;
641:
642: if ((rd = rcs_findrev(file, rev)) == NULL)
643: return (-1);
644:
1.111 joris 645: if (file->rf_head == NULL)
646: file->rf_head = rcsnum_alloc();
1.43 jfb 647:
1.111 joris 648: rcsnum_cpy(rev, file->rf_head, 0);
1.70 moritz 649: file->rf_flags &= ~RCS_SYNCED;
1.43 jfb 650: return (0);
651: }
652:
653:
654: /*
1.35 jfb 655: * rcs_branch_get()
656: *
657: * Retrieve the default branch number for the RCS file <file>.
658: * Returns the number on success. If NULL is returned, then there is no
659: * default branch for this file.
660: */
1.60 xsa 661: const RCSNUM *
1.35 jfb 662: rcs_branch_get(RCSFILE *file)
663: {
664: return (file->rf_branch);
665: }
666:
667: /*
668: * rcs_branch_set()
669: *
670: * Set the default branch for the RCS file <file> to <bnum>.
671: * Returns 0 on success, -1 on failure.
672: */
673: int
674: rcs_branch_set(RCSFILE *file, const RCSNUM *bnum)
675: {
1.111 joris 676: if (file->rf_branch == NULL)
677: file->rf_branch = rcsnum_alloc();
1.35 jfb 678:
1.111 joris 679: rcsnum_cpy(bnum, file->rf_branch, 0);
1.70 moritz 680: file->rf_flags &= ~RCS_SYNCED;
1.35 jfb 681: return (0);
682: }
683:
684: /*
1.29 jfb 685: * rcs_access_add()
686: *
687: * Add the login name <login> to the access list for the RCS file <file>.
688: * Returns 0 on success, or -1 on failure.
689: */
690: int
691: rcs_access_add(RCSFILE *file, const char *login)
692: {
693: struct rcs_access *ap;
694:
695: /* first look for duplication */
696: TAILQ_FOREACH(ap, &(file->rf_access), ra_list) {
697: if (strcmp(ap->ra_name, login) == 0) {
1.32 jfb 698: rcs_errno = RCS_ERR_DUPENT;
1.29 jfb 699: return (-1);
700: }
701: }
702:
1.161 ray 703: ap = xmalloc(sizeof(*ap));
1.110 joris 704: ap->ra_name = xstrdup(login);
1.29 jfb 705: TAILQ_INSERT_TAIL(&(file->rf_access), ap, ra_list);
706:
707: /* not synced anymore */
708: file->rf_flags &= ~RCS_SYNCED;
709: return (0);
710: }
711:
712: /*
713: * rcs_access_remove()
714: *
715: * Remove an entry with login name <login> from the access list of the RCS
716: * file <file>.
717: * Returns 0 on success, or -1 on failure.
718: */
719: int
720: rcs_access_remove(RCSFILE *file, const char *login)
721: {
722: struct rcs_access *ap;
723:
724: TAILQ_FOREACH(ap, &(file->rf_access), ra_list)
725: if (strcmp(ap->ra_name, login) == 0)
726: break;
727:
728: if (ap == NULL) {
1.32 jfb 729: rcs_errno = RCS_ERR_NOENT;
1.29 jfb 730: return (-1);
731: }
732:
733: TAILQ_REMOVE(&(file->rf_access), ap, ra_list);
1.110 joris 734: xfree(ap->ra_name);
735: xfree(ap);
1.29 jfb 736:
737: /* not synced anymore */
738: file->rf_flags &= ~RCS_SYNCED;
739: return (0);
740: }
741:
742: /*
1.26 jfb 743: * rcs_sym_add()
1.1 jfb 744: *
745: * Add a symbol to the list of symbols for the RCS file <rfp>. The new symbol
746: * is named <sym> and is bound to the RCS revision <snum>.
747: * Returns 0 on success, or -1 on failure.
748: */
749: int
1.26 jfb 750: rcs_sym_add(RCSFILE *rfp, const char *sym, RCSNUM *snum)
1.1 jfb 751: {
752: struct rcs_sym *symp;
753:
1.47 jfb 754: if (!rcs_sym_check(sym)) {
755: rcs_errno = RCS_ERR_BADSYM;
1.69 moritz 756: return (-1);
1.47 jfb 757: }
758:
1.1 jfb 759: /* first look for duplication */
760: TAILQ_FOREACH(symp, &(rfp->rf_symbols), rs_list) {
761: if (strcmp(symp->rs_name, sym) == 0) {
1.32 jfb 762: rcs_errno = RCS_ERR_DUPENT;
1.1 jfb 763: return (-1);
764: }
765: }
766:
1.161 ray 767: symp = xmalloc(sizeof(*symp));
1.110 joris 768: symp->rs_name = xstrdup(sym);
1.111 joris 769: symp->rs_num = rcsnum_alloc();
1.1 jfb 770: rcsnum_cpy(snum, symp->rs_num, 0);
771:
772: TAILQ_INSERT_HEAD(&(rfp->rf_symbols), symp, rs_list);
773:
774: /* not synced anymore */
1.26 jfb 775: rfp->rf_flags &= ~RCS_SYNCED;
1.1 jfb 776: return (0);
777: }
778:
779: /*
1.27 jfb 780: * rcs_sym_remove()
781: *
782: * Remove the symbol with name <sym> from the symbol list for the RCS file
783: * <file>. If no such symbol is found, the call fails and returns with an
784: * error.
785: * Returns 0 on success, or -1 on failure.
786: */
787: int
788: rcs_sym_remove(RCSFILE *file, const char *sym)
789: {
790: struct rcs_sym *symp;
791:
1.47 jfb 792: if (!rcs_sym_check(sym)) {
793: rcs_errno = RCS_ERR_BADSYM;
1.69 moritz 794: return (-1);
1.47 jfb 795: }
796:
1.27 jfb 797: TAILQ_FOREACH(symp, &(file->rf_symbols), rs_list)
798: if (strcmp(symp->rs_name, sym) == 0)
799: break;
800:
801: if (symp == NULL) {
1.32 jfb 802: rcs_errno = RCS_ERR_NOENT;
1.27 jfb 803: return (-1);
804: }
805:
806: TAILQ_REMOVE(&(file->rf_symbols), symp, rs_list);
1.110 joris 807: xfree(symp->rs_name);
1.27 jfb 808: rcsnum_free(symp->rs_num);
1.110 joris 809: xfree(symp);
1.27 jfb 810:
811: /* not synced anymore */
812: file->rf_flags &= ~RCS_SYNCED;
813: return (0);
814: }
815:
816: /*
817: * rcs_sym_getrev()
818: *
819: * Retrieve the RCS revision number associated with the symbol <sym> for the
820: * RCS file <file>. The returned value is a dynamically-allocated copy and
821: * should be freed by the caller once they are done with it.
822: * Returns the RCSNUM on success, or NULL on failure.
823: */
1.60 xsa 824: RCSNUM *
1.27 jfb 825: rcs_sym_getrev(RCSFILE *file, const char *sym)
826: {
827: RCSNUM *num;
828: struct rcs_sym *symp;
829:
1.47 jfb 830: if (!rcs_sym_check(sym)) {
831: rcs_errno = RCS_ERR_BADSYM;
832: return (NULL);
833: }
834:
1.27 jfb 835: num = NULL;
836: TAILQ_FOREACH(symp, &(file->rf_symbols), rs_list)
837: if (strcmp(symp->rs_name, sym) == 0)
838: break;
839:
1.111 joris 840: if (symp == NULL) {
1.36 jfb 841: rcs_errno = RCS_ERR_NOENT;
1.111 joris 842: } else {
843: num = rcsnum_alloc();
844: rcsnum_cpy(symp->rs_num, num, 0);
1.27 jfb 845: }
846:
847: return (num);
1.47 jfb 848: }
849:
850: /*
851: * rcs_sym_check()
852: *
853: * Check the RCS symbol name <sym> for any unsupported characters.
854: * Returns 1 if the tag is correct, 0 if it isn't valid.
855: */
856: int
857: rcs_sym_check(const char *sym)
858: {
859: int ret;
860: const char *cp;
861:
862: ret = 1;
863: cp = sym;
864: if (!isalpha(*cp++))
865: return (0);
866:
867: for (; *cp != '\0'; cp++)
868: if (!isgraph(*cp) || (strchr(rcs_sym_invch, *cp) != NULL)) {
869: ret = 0;
870: break;
871: }
872:
873: return (ret);
1.30 jfb 874: }
875:
876: /*
877: * rcs_lock_getmode()
878: *
879: * Retrieve the locking mode of the RCS file <file>.
880: */
881: int
882: rcs_lock_getmode(RCSFILE *file)
883: {
884: return (file->rf_flags & RCS_SLOCK) ? RCS_LOCK_STRICT : RCS_LOCK_LOOSE;
885: }
886:
887: /*
888: * rcs_lock_setmode()
889: *
890: * Set the locking mode of the RCS file <file> to <mode>, which must either
891: * be RCS_LOCK_LOOSE or RCS_LOCK_STRICT.
892: * Returns the previous mode on success, or -1 on failure.
893: */
894: int
895: rcs_lock_setmode(RCSFILE *file, int mode)
896: {
897: int pmode;
898: pmode = rcs_lock_getmode(file);
899:
900: if (mode == RCS_LOCK_STRICT)
901: file->rf_flags |= RCS_SLOCK;
902: else if (mode == RCS_LOCK_LOOSE)
903: file->rf_flags &= ~RCS_SLOCK;
1.145 xsa 904: else
905: fatal("rcs_lock_setmode: invalid mode `%d'", mode);
1.30 jfb 906:
1.70 moritz 907: file->rf_flags &= ~RCS_SYNCED;
1.30 jfb 908: return (pmode);
1.27 jfb 909: }
910:
911: /*
1.40 jfb 912: * rcs_lock_add()
913: *
914: * Add an RCS lock for the user <user> on revision <rev>.
915: * Returns 0 on success, or -1 on failure.
916: */
917: int
918: rcs_lock_add(RCSFILE *file, const char *user, RCSNUM *rev)
919: {
920: struct rcs_lock *lkp;
921:
922: /* first look for duplication */
923: TAILQ_FOREACH(lkp, &(file->rf_locks), rl_list) {
1.109 joris 924: if ((strcmp(lkp->rl_name, user) == 0) &&
925: (rcsnum_cmp(rev, lkp->rl_num, 0) == 0)) {
1.40 jfb 926: rcs_errno = RCS_ERR_DUPENT;
927: return (-1);
928: }
929: }
930:
1.161 ray 931: lkp = xmalloc(sizeof(*lkp));
1.110 joris 932: lkp->rl_name = xstrdup(user);
1.111 joris 933: lkp->rl_num = rcsnum_alloc();
1.68 moritz 934: rcsnum_cpy(rev, lkp->rl_num, 0);
1.40 jfb 935:
936: TAILQ_INSERT_TAIL(&(file->rf_locks), lkp, rl_list);
937:
938: /* not synced anymore */
939: file->rf_flags &= ~RCS_SYNCED;
940: return (0);
941: }
942:
943:
944: /*
945: * rcs_lock_remove()
946: *
947: * Remove the RCS lock on revision <rev>.
948: * Returns 0 on success, or -1 on failure.
949: */
950: int
1.109 joris 951: rcs_lock_remove(RCSFILE *file, const char *user, RCSNUM *rev)
1.40 jfb 952: {
953: struct rcs_lock *lkp;
954:
1.109 joris 955: TAILQ_FOREACH(lkp, &(file->rf_locks), rl_list) {
956: if ((strcmp(lkp->rl_name, user) == 0) &&
957: (rcsnum_cmp(lkp->rl_num, rev, 0) == 0))
1.40 jfb 958: break;
1.109 joris 959: }
1.40 jfb 960:
961: if (lkp == NULL) {
962: rcs_errno = RCS_ERR_NOENT;
963: return (-1);
964: }
965:
966: TAILQ_REMOVE(&(file->rf_locks), lkp, rl_list);
967: rcsnum_free(lkp->rl_num);
1.110 joris 968: xfree(lkp->rl_name);
969: xfree(lkp);
1.40 jfb 970:
971: /* not synced anymore */
972: file->rf_flags &= ~RCS_SYNCED;
973: return (0);
974: }
975:
976: /*
1.27 jfb 977: * rcs_desc_get()
978: *
979: * Retrieve the description for the RCS file <file>.
980: */
1.57 xsa 981: const char *
1.27 jfb 982: rcs_desc_get(RCSFILE *file)
983: {
984: return (file->rf_desc);
985: }
986:
987: /*
988: * rcs_desc_set()
989: *
990: * Set the description for the RCS file <file>.
991: */
1.149 xsa 992: void
1.27 jfb 993: rcs_desc_set(RCSFILE *file, const char *desc)
994: {
995: char *tmp;
996:
1.110 joris 997: tmp = xstrdup(desc);
1.27 jfb 998: if (file->rf_desc != NULL)
1.110 joris 999: xfree(file->rf_desc);
1.27 jfb 1000: file->rf_desc = tmp;
1001: file->rf_flags &= ~RCS_SYNCED;
1.51 jfb 1002: }
1003:
1004: /*
1005: * rcs_comment_lookup()
1006: *
1007: * Lookup the assumed comment leader based on a file's suffix.
1008: * Returns a pointer to the string on success, or NULL on failure.
1009: */
1.57 xsa 1010: const char *
1.51 jfb 1011: rcs_comment_lookup(const char *filename)
1012: {
1013: int i;
1014: const char *sp;
1015:
1016: if ((sp = strrchr(filename, '.')) == NULL) {
1017: rcs_errno = RCS_ERR_NOENT;
1018: return (NULL);
1019: }
1020: sp++;
1021:
1022: for (i = 0; i < (int)NB_COMTYPES; i++)
1023: if (strcmp(rcs_comments[i].rc_suffix, sp) == 0)
1024: return (rcs_comments[i].rc_cstr);
1025: return (NULL);
1.27 jfb 1026: }
1027:
1.33 jfb 1028: /*
1029: * rcs_comment_get()
1030: *
1031: * Retrieve the comment leader for the RCS file <file>.
1032: */
1.57 xsa 1033: const char *
1.33 jfb 1034: rcs_comment_get(RCSFILE *file)
1035: {
1036: return (file->rf_comment);
1037: }
1038:
1039: /*
1040: * rcs_comment_set()
1041: *
1042: * Set the comment leader for the RCS file <file>.
1043: */
1.150 xsa 1044: void
1.33 jfb 1045: rcs_comment_set(RCSFILE *file, const char *comment)
1046: {
1047: char *tmp;
1048:
1.110 joris 1049: tmp = xstrdup(comment);
1.33 jfb 1050: if (file->rf_comment != NULL)
1.110 joris 1051: xfree(file->rf_comment);
1.33 jfb 1052: file->rf_comment = tmp;
1053: file->rf_flags &= ~RCS_SYNCED;
1054: }
1.40 jfb 1055:
1056: /*
1057: * rcs_tag_resolve()
1058: *
1059: * Retrieve the revision number corresponding to the tag <tag> for the RCS
1060: * file <file>.
1061: */
1.60 xsa 1062: RCSNUM *
1.40 jfb 1063: rcs_tag_resolve(RCSFILE *file, const char *tag)
1064: {
1065: RCSNUM *num;
1066:
1067: if ((num = rcsnum_parse(tag)) == NULL) {
1068: num = rcs_sym_getrev(file, tag);
1069: }
1070:
1071: return (num);
1072: }
1073:
1.94 joris 1074: int
1075: rcs_patch_lines(struct cvs_lines *dlines, struct cvs_lines *plines)
1.5 vincent 1076: {
1077: char op, *ep;
1.94 joris 1078: struct cvs_line *lp, *dlp, *ndlp;
1.5 vincent 1079: int i, lineno, nbln;
1.1 jfb 1080:
1.94 joris 1081: dlp = TAILQ_FIRST(&(dlines->l_lines));
1082: lp = TAILQ_FIRST(&(plines->l_lines));
1.1 jfb 1083:
1084: /* skip first bogus line */
1.94 joris 1085: for (lp = TAILQ_NEXT(lp, l_list); lp != NULL;
1086: lp = TAILQ_NEXT(lp, l_list)) {
1087: op = *(lp->l_line);
1088: lineno = (int)strtol((lp->l_line + 1), &ep, 10);
1089: if ((lineno > dlines->l_nblines) || (lineno < 0) ||
1.132 niallo 1090: (*ep != ' '))
1091: fatal("invalid line specification in RCS patch");
1.1 jfb 1092: ep++;
1093: nbln = (int)strtol(ep, &ep, 10);
1.132 niallo 1094: if ((nbln < 0) || (*ep != '\0'))
1095: fatal("invalid line number specification in RCS patch");
1.1 jfb 1096:
1097: /* find the appropriate line */
1098: for (;;) {
1099: if (dlp == NULL)
1100: break;
1.94 joris 1101: if (dlp->l_lineno == lineno)
1.1 jfb 1102: break;
1.94 joris 1103: if (dlp->l_lineno > lineno) {
1104: dlp = TAILQ_PREV(dlp, cvs_tqh, l_list);
1105: } else if (dlp->l_lineno < lineno) {
1.133 niallo 1106: if (((ndlp = TAILQ_NEXT(dlp, l_list)) == NULL) ||
1.138 deraadt 1107: (ndlp->l_lineno > lineno))
1.1 jfb 1108: break;
1109: dlp = ndlp;
1110: }
1111: }
1.132 niallo 1112: if (dlp == NULL)
1113: fatal("can't find referenced line in RCS patch");
1.1 jfb 1114:
1115: if (op == 'd') {
1116: for (i = 0; (i < nbln) && (dlp != NULL); i++) {
1.94 joris 1117: ndlp = TAILQ_NEXT(dlp, l_list);
1118: TAILQ_REMOVE(&(dlines->l_lines), dlp, l_list);
1.1 jfb 1119: dlp = ndlp;
1.133 niallo 1120: /* last line is gone - reset dlp */
1121: if (dlp == NULL) {
1122: ndlp = TAILQ_LAST(&(dlines->l_lines),
1123: cvs_tqh);
1124: dlp = ndlp;
1125: }
1.1 jfb 1126: }
1.14 deraadt 1127: } else if (op == 'a') {
1.1 jfb 1128: for (i = 0; i < nbln; i++) {
1129: ndlp = lp;
1.94 joris 1130: lp = TAILQ_NEXT(lp, l_list);
1.132 niallo 1131: if (lp == NULL)
1132: fatal("truncated RCS patch");
1.94 joris 1133: TAILQ_REMOVE(&(plines->l_lines), lp, l_list);
1134: TAILQ_INSERT_AFTER(&(dlines->l_lines), dlp,
1135: lp, l_list);
1.1 jfb 1136: dlp = lp;
1137:
1138: /* we don't want lookup to block on those */
1.94 joris 1139: lp->l_lineno = lineno;
1.1 jfb 1140:
1141: lp = ndlp;
1142: }
1.132 niallo 1143: } else
1144: fatal("unknown RCS patch operation `%c'", op);
1.1 jfb 1145:
1146: /* last line of the patch, done */
1.94 joris 1147: if (lp->l_lineno == plines->l_nblines)
1.1 jfb 1148: break;
1149: }
1150:
1151: /* once we're done patching, rebuild the line numbers */
1.2 vincent 1152: lineno = 0;
1.94 joris 1153: TAILQ_FOREACH(lp, &(dlines->l_lines), l_list)
1154: lp->l_lineno = lineno++;
1155: dlines->l_nblines = lineno - 1;
1.1 jfb 1156:
1.5 vincent 1157: return (0);
1.1 jfb 1158: }
1159:
1160: /*
1161: * rcs_getrev()
1162: *
1163: * Get the whole contents of revision <rev> from the RCSFILE <rfp>. The
1.4 vincent 1164: * returned buffer is dynamically allocated and should be released using
1165: * cvs_buf_free() once the caller is done using it.
1.1 jfb 1166: */
1167: BUF*
1.66 joris 1168: rcs_getrev(RCSFILE *rfp, RCSNUM *frev)
1.1 jfb 1169: {
1.156 joris 1170: u_int i, numlen;
1171: int isbranch, lookonbranch;
1.1 jfb 1172: size_t len;
1173: void *bp;
1.156 joris 1174: RCSNUM *crev, *rev, *brev;
1.125 niallo 1175: BUF *rbuf;
1.1 jfb 1176: struct rcs_delta *rdp = NULL;
1.156 joris 1177: struct rcs_branch *rb;
1.1 jfb 1178:
1.28 jfb 1179: if (rfp->rf_head == NULL)
1180: return (NULL);
1.66 joris 1181:
1182: if (frev == RCS_HEAD_REV)
1183: rev = rfp->rf_head;
1184: else
1185: rev = frev;
1.28 jfb 1186:
1.156 joris 1187: /* XXX rcsnum_cmp() */
1188: for (i = 0; i < rfp->rf_head->rn_len; i++) {
1189: if (rfp->rf_head->rn_id[i] < rev->rn_id[i]) {
1190: rcs_errno = RCS_ERR_NOENT;
1191: return (NULL);
1192: }
1.26 jfb 1193: }
1194:
1.117 niallo 1195: /* No matter what, we're going to need up the the description parsed */
1196: rcs_parse_desc(rfp, NULL);
1197:
1.26 jfb 1198: rdp = rcs_findrev(rfp, rfp->rf_head);
1199: if (rdp == NULL) {
1200: cvs_log(LP_ERR, "failed to get RCS HEAD revision");
1201: return (NULL);
1202: }
1.156 joris 1203:
1.117 niallo 1204: if (rdp->rd_tlen == 0)
1205: rcs_parse_deltatexts(rfp, rfp->rf_head);
1.156 joris 1206:
1.45 jfb 1207: len = rdp->rd_tlen;
1.115 niallo 1208: if (len == 0) {
1209: rbuf = cvs_buf_alloc(1, 0);
1210: cvs_buf_empty(rbuf);
1211: return (rbuf);
1212: }
1.26 jfb 1213:
1.116 joris 1214: rbuf = cvs_buf_alloc(len, BUF_AUTOEXT);
1.26 jfb 1215: cvs_buf_append(rbuf, rdp->rd_text, len);
1216:
1.156 joris 1217: isbranch = 0;
1218: brev = NULL;
1219:
1220: /*
1221: * If a branch was passed, get the latest revision on it.
1222: */
1223: if (RCSNUM_ISBRANCH(rev)) {
1224: brev = rev;
1225: rdp = rcs_findrev(rfp, rev);
1226: if (rdp == NULL)
1.158 joris 1227: return (NULL);
1.156 joris 1228:
1229: rev = rdp->rd_num;
1230: } else {
1231: if (RCSNUM_ISBRANCHREV(rev)) {
1232: brev = rcsnum_revtobr(rev);
1233: isbranch = 1;
1234: }
1235: }
1236:
1237: lookonbranch = 0;
1238: crev = NULL;
1239:
1240: /* Apply patches backwards to get the right version.
1241: */
1242: do {
1243: if (rcsnum_cmp(rfp->rf_head, rev, 0) == 0)
1244: break;
1245:
1246: if ((isbranch == 1) && (rdp->rd_num->rn_len < rev->rn_len) &&
1247: (!TAILQ_EMPTY(&(rdp->rd_branches))))
1248: lookonbranch = 1;
1249:
1250: if (isbranch && lookonbranch == 1) {
1251: lookonbranch = 0;
1252: TAILQ_FOREACH(rb, &(rdp->rd_branches), rb_list) {
1253: /* XXX rcsnum_cmp() is totally broken for
1254: * this purpose.
1255: */
1256: numlen = MIN(brev->rn_len, rb->rb_num->rn_len);
1257: for (i = 0; i < numlen; i++) {
1258: if (rb->rb_num->rn_id[i] !=
1259: brev->rn_id[i])
1260: break;
1261: }
1262:
1263: if (i == numlen) {
1264: crev = rb->rb_num;
1265: break;
1266: }
1267: }
1268: } else {
1.87 joris 1269: crev = rdp->rd_next;
1.156 joris 1270: }
1271:
1272: rdp = rcs_findrev(rfp, crev);
1273: if (rdp == NULL) {
1274: cvs_buf_free(rbuf);
1275: return (NULL);
1276: }
1277:
1278: cvs_buf_putc(rbuf, '\0');
1279:
1280: /* check if we have parsed this rev's deltatext */
1281: if (rdp->rd_tlen == 0)
1282: rcs_parse_deltatexts(rfp, rdp->rd_num);
1283:
1284: bp = cvs_buf_release(rbuf);
1285: rbuf = cvs_patchfile((char *)bp, (char *)rdp->rd_text,
1286: rcs_patch_lines);
1287: xfree(bp);
1288:
1289: if (rbuf == NULL)
1290: break;
1291: } while (rcsnum_cmp(crev, rev, 0) != 0);
1292:
1.125 niallo 1293: if (cvs_buf_getc(rbuf, cvs_buf_len(rbuf)-1) != '\n'
1294: && rbuf != NULL)
1295: cvs_buf_putc(rbuf, '\n');
1.156 joris 1296:
1.125 niallo 1297: return (rbuf);
1.1 jfb 1298: }
1299:
1300: /*
1.52 jfb 1301: * rcs_rev_add()
1302: *
1.53 jfb 1303: * Add a revision to the RCS file <rf>. The new revision's number can be
1304: * specified in <rev> (which can also be RCS_HEAD_REV, in which case the
1305: * new revision will have a number equal to the previous head revision plus
1306: * one). The <msg> argument specifies the log message for that revision, and
1307: * <date> specifies the revision's date (a value of -1 is
1308: * equivalent to using the current time).
1.96 xsa 1309: * If <username> is NULL, set the author for this revision to the current user.
1.90 niallo 1310: * Otherwise, set it to <username>.
1.52 jfb 1311: * Returns 0 on success, or -1 on failure.
1312: */
1313: int
1.90 niallo 1314: rcs_rev_add(RCSFILE *rf, RCSNUM *rev, const char *msg, time_t date,
1315: const char *username)
1.52 jfb 1316: {
1317: time_t now;
1318: struct passwd *pw;
1.83 joris 1319: struct rcs_delta *ordp, *rdp;
1320:
1.52 jfb 1321: if (rev == RCS_HEAD_REV) {
1.101 niallo 1322: if (rf->rf_flags & RCS_CREATE) {
1323: if ((rev = rcsnum_parse(RCS_HEAD_INIT)) == NULL)
1324: return (-1);
1.111 joris 1325: rf->rf_head = rcsnum_alloc();
1.101 niallo 1326: rcsnum_cpy(rev, rf->rf_head, 0);
1327: } else {
1328: rev = rcsnum_inc(rf->rf_head);
1329: }
1.83 joris 1330: } else {
1331: if ((rdp = rcs_findrev(rf, rev)) != NULL) {
1332: rcs_errno = RCS_ERR_DUPENT;
1333: return (-1);
1334: }
1.52 jfb 1335: }
1336:
1.112 xsa 1337: if ((pw = getpwuid(getuid())) == NULL)
1338: fatal("getpwuid failed");
1.52 jfb 1339:
1.161 ray 1340: rdp = xcalloc(1, sizeof(*rdp));
1.52 jfb 1341:
1342: TAILQ_INIT(&(rdp->rd_branches));
1343:
1.111 joris 1344: rdp->rd_num = rcsnum_alloc();
1.52 jfb 1345: rcsnum_cpy(rev, rdp->rd_num, 0);
1.83 joris 1346:
1.111 joris 1347: rdp->rd_next = rcsnum_alloc();
1.92 joris 1348:
1.143 niallo 1349: if (!(rf->rf_flags & RCS_CREATE)) {
1350: /* next should point to the previous HEAD */
1351: ordp = TAILQ_FIRST(&(rf->rf_delta));
1352: rcsnum_cpy(ordp->rd_num, rdp->rd_next, 0);
1353: }
1.101 niallo 1354:
1.52 jfb 1355:
1.90 niallo 1356: if (username == NULL)
1357: username = pw->pw_name;
1358:
1.110 joris 1359: rdp->rd_author = xstrdup(username);
1360: rdp->rd_state = xstrdup(RCS_STATE_EXP);
1361: rdp->rd_log = xstrdup(msg);
1.52 jfb 1362:
1.53 jfb 1363: if (date != (time_t)(-1))
1364: now = date;
1365: else
1366: time(&now);
1.52 jfb 1367: gmtime_r(&now, &(rdp->rd_date));
1368:
1369: TAILQ_INSERT_HEAD(&(rf->rf_delta), rdp, rd_list);
1370: rf->rf_ndelta++;
1.81 niallo 1371:
1.64 niallo 1372: /* not synced anymore */
1373: rf->rf_flags &= ~RCS_SYNCED;
1.52 jfb 1374:
1375: return (0);
1376: }
1377:
1378: /*
1379: * rcs_rev_remove()
1380: *
1381: * Remove the revision whose number is <rev> from the RCS file <rf>.
1382: */
1383: int
1384: rcs_rev_remove(RCSFILE *rf, RCSNUM *rev)
1385: {
1386: int ret;
1387: struct rcs_delta *rdp;
1388:
1389: ret = 0;
1390: if (rev == RCS_HEAD_REV)
1391: rev = rf->rf_head;
1392:
1393: /* do we actually have that revision? */
1394: if ((rdp = rcs_findrev(rf, rev)) == NULL) {
1395: rcs_errno = RCS_ERR_NOENT;
1396: ret = -1;
1397: } else {
1398: /* XXX assumes it's not a sub node */
1399: TAILQ_REMOVE(&(rf->rf_delta), rdp, rd_list);
1400: rf->rf_ndelta--;
1401: rf->rf_flags &= ~RCS_SYNCED;
1402: }
1403:
1404: return (ret);
1405:
1406: }
1407:
1408: /*
1.1 jfb 1409: * rcs_findrev()
1410: *
1411: * Find a specific revision's delta entry in the tree of the RCS file <rfp>.
1412: * The revision number is given in <rev>.
1.156 joris 1413: *
1414: * If the given revision is a branch number, we translate it into the latest
1415: * revision on the branch.
1416: *
1.1 jfb 1417: * Returns a pointer to the delta on success, or NULL on failure.
1418: */
1.102 xsa 1419: struct rcs_delta *
1.117 niallo 1420: rcs_findrev(RCSFILE *rfp, RCSNUM *rev)
1.1 jfb 1421: {
1422: u_int cmplen;
1.156 joris 1423: struct rcs_delta *rdp;
1424: RCSNUM *brev, *frev;
1.26 jfb 1425:
1.117 niallo 1426: /*
1427: * We need to do more parsing if the last revision in the linked list
1428: * is greater than the requested revision.
1429: */
1.156 joris 1430: rdp = TAILQ_LAST(&(rfp->rf_delta), rcs_dlist);
1431: if ((rdp == NULL)
1432: || (rcsnum_cmp(rdp->rd_num, rev, 0) == -1)) {
1.117 niallo 1433: rcs_parse_deltas(rfp, rev);
1434: }
1435:
1.156 joris 1436: /*
1437: * Translate a branch into the latest revision on the branch itself.
1438: */
1439: if (RCSNUM_ISBRANCH(rev)) {
1440: brev = rcsnum_brtorev(rev);
1441: frev = brev;
1442: for (;;) {
1443: rdp = rcs_findrev(rfp, frev);
1444: if (rdp == NULL)
1.158 joris 1445: return (NULL);
1.1 jfb 1446:
1.156 joris 1447: if (rdp->rd_next->rn_len == 0)
1.6 vincent 1448: break;
1.156 joris 1449:
1450: frev = rdp->rd_next;
1.1 jfb 1451: }
1.156 joris 1452:
1453: rcsnum_free(brev);
1454: return (rdp);
1455: }
1456:
1457: cmplen = rev->rn_len;
1458:
1459: TAILQ_FOREACH(rdp, &(rfp->rf_delta), rd_list) {
1460: if (rcsnum_cmp(rdp->rd_num, rev, cmplen) == 0)
1461: return (rdp);
1462: }
1.1 jfb 1463:
1464: return (NULL);
1.20 jfb 1465: }
1466:
1467: /*
1.26 jfb 1468: * rcs_kwexp_set()
1469: *
1470: * Set the keyword expansion mode to use on the RCS file <file> to <mode>.
1471: */
1.162 xsa 1472: void
1.26 jfb 1473: rcs_kwexp_set(RCSFILE *file, int mode)
1474: {
1475: int i;
1476: char *tmp, buf[8] = "";
1477:
1478: if (RCS_KWEXP_INVAL(mode))
1.162 xsa 1479: return;
1.26 jfb 1480:
1481: i = 0;
1482: if (mode == RCS_KWEXP_NONE)
1483: buf[0] = 'b';
1484: else if (mode == RCS_KWEXP_OLD)
1485: buf[0] = 'o';
1486: else {
1487: if (mode & RCS_KWEXP_NAME)
1488: buf[i++] = 'k';
1489: if (mode & RCS_KWEXP_VAL)
1490: buf[i++] = 'v';
1491: if (mode & RCS_KWEXP_LKR)
1492: buf[i++] = 'l';
1493: }
1494:
1.110 joris 1495: tmp = xstrdup(buf);
1.27 jfb 1496: if (file->rf_expand != NULL)
1.147 ray 1497: xfree(file->rf_expand);
1.26 jfb 1498: file->rf_expand = tmp;
1.64 niallo 1499: /* not synced anymore */
1500: file->rf_flags &= ~RCS_SYNCED;
1.26 jfb 1501: }
1502:
1503: /*
1504: * rcs_kwexp_get()
1505: *
1506: * Retrieve the keyword expansion mode to be used for the RCS file <file>.
1507: */
1508: int
1509: rcs_kwexp_get(RCSFILE *file)
1510: {
1511: return rcs_kflag_get(file->rf_expand);
1512: }
1513:
1514: /*
1.20 jfb 1515: * rcs_kflag_get()
1516: *
1517: * Get the keyword expansion mode from a set of character flags given in
1518: * <flags> and return the appropriate flag mask. In case of an error, the
1519: * returned mask will have the RCS_KWEXP_ERR bit set to 1.
1520: */
1521: int
1522: rcs_kflag_get(const char *flags)
1523: {
1524: int fl;
1525: size_t len;
1526: const char *fp;
1527:
1528: fl = 0;
1529: len = strlen(flags);
1530:
1531: for (fp = flags; *fp != '\0'; fp++) {
1532: if (*fp == 'k')
1533: fl |= RCS_KWEXP_NAME;
1534: else if (*fp == 'v')
1535: fl |= RCS_KWEXP_VAL;
1536: else if (*fp == 'l')
1537: fl |= RCS_KWEXP_LKR;
1538: else if (*fp == 'o') {
1539: if (len != 1)
1540: fl |= RCS_KWEXP_ERR;
1541: fl |= RCS_KWEXP_OLD;
1542: } else if (*fp == 'b') {
1543: if (len != 1)
1544: fl |= RCS_KWEXP_ERR;
1545: } else /* unknown letter */
1546: fl |= RCS_KWEXP_ERR;
1547: }
1548:
1549: return (fl);
1.32 jfb 1550: }
1551:
1552: /*
1553: * rcs_errstr()
1554: *
1555: * Get the error string matching the RCS error code <code>.
1556: */
1.57 xsa 1557: const char *
1.32 jfb 1558: rcs_errstr(int code)
1559: {
1.50 jfb 1560: const char *esp;
1561:
1562: if ((code < 0) || ((code >= (int)RCS_NERR) && (code != RCS_ERR_ERRNO)))
1563: esp = NULL;
1564: else if (code == RCS_ERR_ERRNO)
1565: esp = strerror(errno);
1566: else
1567: esp = rcs_errstrs[code];
1568: return (esp);
1.1 jfb 1569: }
1570:
1.117 niallo 1571: /* rcs_parse_deltas()
1572: *
1573: * Parse deltas. If <rev> is not NULL, parse only as far as that
1574: * revision. If <rev> is NULL, parse all deltas.
1575: */
1.146 xsa 1576: static void
1.117 niallo 1577: rcs_parse_deltas(RCSFILE *rfp, RCSNUM *rev)
1578: {
1579: int ret;
1580: struct rcs_delta *enddelta;
1.146 xsa 1581:
1582: if ((rfp->rf_flags & PARSED_DELTAS) || (rfp->rf_flags & RCS_CREATE))
1583: return;
1584:
1.117 niallo 1585: for (;;) {
1586: ret = rcs_parse_delta(rfp);
1587: if (rev != NULL) {
1588: enddelta = TAILQ_LAST(&(rfp->rf_delta), rcs_dlist);
1.155 ray 1589: if (rcsnum_cmp(enddelta->rd_num, rev, 0) == 0)
1.117 niallo 1590: break;
1591: }
1592: if (ret == 0) {
1593: rfp->rf_flags |= PARSED_DELTAS;
1594: break;
1595: }
1596: else if (ret == -1)
1597: fatal("error parsing deltas");
1598: }
1599: }
1600:
1601: /* rcs_parse_deltatexts()
1602: *
1603: * Parse deltatexts. If <rev> is not NULL, parse only as far as that
1604: * revision. If <rev> is NULL, parse everything.
1605: */
1.146 xsa 1606: static void
1.117 niallo 1607: rcs_parse_deltatexts(RCSFILE *rfp, RCSNUM *rev)
1608: {
1609: int ret;
1610: struct rcs_delta *rdp;
1.146 xsa 1611:
1.117 niallo 1612: if ((rfp->rf_flags & PARSED_DELTATEXTS)
1613: || (rfp->rf_flags & RCS_CREATE))
1.146 xsa 1614: return;
1615:
1.117 niallo 1616: if (!(rfp->rf_flags & PARSED_DESC))
1617: rcs_parse_desc(rfp, rev);
1618: for (;;) {
1619: if (rev != NULL) {
1620: rdp = rcs_findrev(rfp, rev);
1621: if (rdp->rd_text != NULL)
1622: break;
1623: else
1624: ret = rcs_parse_deltatext(rfp);
1625: } else
1626: ret = rcs_parse_deltatext(rfp);
1627: if (ret == 0) {
1628: rfp->rf_flags |= PARSED_DELTATEXTS;
1629: break;
1630: }
1.146 xsa 1631: else if (ret == -1)
1.117 niallo 1632: fatal("problem parsing deltatexts");
1633: }
1634: }
1635:
1636: /* rcs_parse_desc()
1637: *
1638: * Parse RCS description.
1639: */
1.148 xsa 1640: static void
1.117 niallo 1641: rcs_parse_desc(RCSFILE *rfp, RCSNUM *rev)
1642: {
1643: int ret = 0;
1.148 xsa 1644:
1645: if ((rfp->rf_flags & PARSED_DESC) || (rfp->rf_flags & RCS_CREATE))
1646: return;
1.122 reyk 1647: if (!(rfp->rf_flags & PARSED_DELTAS))
1.117 niallo 1648: rcs_parse_deltas(rfp, rev);
1649: /* do parsing */
1650: ret = rcs_gettok(rfp);
1.148 xsa 1651: if (ret != RCS_TOK_DESC)
1652: fatal("token `%s' found where RCS desc expected",
1.117 niallo 1653: RCS_TOKSTR(rfp));
1654:
1655: ret = rcs_gettok(rfp);
1.148 xsa 1656: if (ret != RCS_TOK_STRING)
1657: fatal("token `%s' found where RCS desc expected",
1.117 niallo 1658: RCS_TOKSTR(rfp));
1659:
1660: rfp->rf_desc = xstrdup(RCS_TOKSTR(rfp));
1661: rfp->rf_flags |= PARSED_DESC;
1662: }
1663:
1.1 jfb 1664: /*
1.117 niallo 1665: * rcs_parse_init()
1.1 jfb 1666: *
1.117 niallo 1667: * Initial parsing of file <path>, which are in the RCS format.
1668: * Just does admin section
1.1 jfb 1669: * Returns 0 on success, or -1 on failure.
1670: */
1.26 jfb 1671: static int
1.117 niallo 1672: rcs_parse_init(RCSFILE *rfp)
1.1 jfb 1673: {
1.117 niallo 1674: int ret, count;
1.1 jfb 1675: struct rcs_pdata *pdp;
1676:
1.117 niallo 1677: count = 0;
1.26 jfb 1678: if (rfp->rf_flags & RCS_PARSED)
1.1 jfb 1679: return (0);
1680:
1.161 ray 1681: pdp = xcalloc(1, sizeof(*pdp));
1.1 jfb 1682:
1.18 jfb 1683: pdp->rp_lines = 0;
1.1 jfb 1684: pdp->rp_pttype = RCS_TOK_ERR;
1685:
1.113 xsa 1686: if ((pdp->rp_file = fopen(rfp->rf_path, "r")) == NULL)
1687: fatal("fopen: `%s': %s", rfp->rf_path, strerror(errno));
1.1 jfb 1688:
1.161 ray 1689: pdp->rp_buf = xmalloc((size_t)RCS_BUFSIZE);
1.1 jfb 1690: pdp->rp_blen = RCS_BUFSIZE;
1.18 jfb 1691: pdp->rp_bufend = pdp->rp_buf + pdp->rp_blen - 1;
1.1 jfb 1692:
1693: /* ditch the strict lock */
1.26 jfb 1694: rfp->rf_flags &= ~RCS_SLOCK;
1.1 jfb 1695: rfp->rf_pdata = pdp;
1696:
1.31 jfb 1697: if ((ret = rcs_parse_admin(rfp)) < 0) {
1.1 jfb 1698: rcs_freepdata(pdp);
1.117 niallo 1699: fatal("could not parse admin data");
1.1 jfb 1700: }
1701:
1.117 niallo 1702: if (rfp->rf_flags & RCS_PARSE_FULLY)
1703: rcs_parse_deltatexts(rfp, NULL);
1.1 jfb 1704:
1.117 niallo 1705: rfp->rf_flags |= RCS_SYNCED;
1.1 jfb 1706: return (0);
1707: }
1708:
1709: /*
1710: * rcs_parse_admin()
1711: *
1712: * Parse the administrative portion of an RCS file.
1.31 jfb 1713: * Returns the type of the first token found after the admin section on
1714: * success, or -1 on failure.
1.1 jfb 1715: */
1716: static int
1717: rcs_parse_admin(RCSFILE *rfp)
1718: {
1719: u_int i;
1720: int tok, ntok, hmask;
1721: struct rcs_key *rk;
1722:
1723: /* hmask is a mask of the headers already encountered */
1724: hmask = 0;
1725: for (;;) {
1726: tok = rcs_gettok(rfp);
1727: if (tok == RCS_TOK_ERR) {
1.50 jfb 1728: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1729: cvs_log(LP_ERR, "parse error in RCS admin section");
1.147 ray 1730: goto fail;
1.31 jfb 1731: } else if ((tok == RCS_TOK_NUM) || (tok == RCS_TOK_DESC)) {
1732: /*
1733: * Assume this is the start of the first delta or
1734: * that we are dealing with an empty RCS file and
1735: * we just found the description.
1736: */
1.1 jfb 1737: rcs_pushtok(rfp, RCS_TOKSTR(rfp), tok);
1.31 jfb 1738: return (tok);
1.1 jfb 1739: }
1740:
1741: rk = NULL;
1.18 jfb 1742: for (i = 0; i < RCS_NKEYS; i++)
1.1 jfb 1743: if (rcs_keys[i].rk_id == tok)
1744: rk = &(rcs_keys[i]);
1745:
1746: if (hmask & (1 << tok)) {
1.50 jfb 1747: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1748: cvs_log(LP_ERR, "duplicate RCS key");
1.147 ray 1749: goto fail;
1.1 jfb 1750: }
1751: hmask |= (1 << tok);
1752:
1753: switch (tok) {
1754: case RCS_TOK_HEAD:
1755: case RCS_TOK_BRANCH:
1756: case RCS_TOK_COMMENT:
1757: case RCS_TOK_EXPAND:
1758: ntok = rcs_gettok(rfp);
1759: if (ntok == RCS_TOK_SCOLON)
1760: break;
1761: if (ntok != rk->rk_val) {
1.50 jfb 1762: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1763: cvs_log(LP_ERR,
1764: "invalid value type for RCS key `%s'",
1765: rk->rk_str);
1766: }
1767:
1768: if (tok == RCS_TOK_HEAD) {
1.111 joris 1769: if (rfp->rf_head == NULL)
1.28 jfb 1770: rfp->rf_head = rcsnum_alloc();
1.1 jfb 1771: rcsnum_aton(RCS_TOKSTR(rfp), NULL,
1772: rfp->rf_head);
1.14 deraadt 1773: } else if (tok == RCS_TOK_BRANCH) {
1.111 joris 1774: if (rfp->rf_branch == NULL)
1.35 jfb 1775: rfp->rf_branch = rcsnum_alloc();
1776: if (rcsnum_aton(RCS_TOKSTR(rfp), NULL,
1777: rfp->rf_branch) < 0)
1.147 ray 1778: goto fail;
1.14 deraadt 1779: } else if (tok == RCS_TOK_COMMENT) {
1.110 joris 1780: rfp->rf_comment = xstrdup(RCS_TOKSTR(rfp));
1.14 deraadt 1781: } else if (tok == RCS_TOK_EXPAND) {
1.110 joris 1782: rfp->rf_expand = xstrdup(RCS_TOKSTR(rfp));
1.1 jfb 1783: }
1784:
1785: /* now get the expected semi-colon */
1786: ntok = rcs_gettok(rfp);
1787: if (ntok != RCS_TOK_SCOLON) {
1.50 jfb 1788: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1789: cvs_log(LP_ERR,
1790: "missing semi-colon after RCS `%s' key",
1.26 jfb 1791: rk->rk_str);
1.147 ray 1792: goto fail;
1.1 jfb 1793: }
1794: break;
1795: case RCS_TOK_ACCESS:
1.29 jfb 1796: if (rcs_parse_access(rfp) < 0)
1.147 ray 1797: goto fail;
1.1 jfb 1798: break;
1799: case RCS_TOK_SYMBOLS:
1.29 jfb 1800: if (rcs_parse_symbols(rfp) < 0)
1.147 ray 1801: goto fail;
1.1 jfb 1802: break;
1803: case RCS_TOK_LOCKS:
1.29 jfb 1804: if (rcs_parse_locks(rfp) < 0)
1.147 ray 1805: goto fail;
1.1 jfb 1806: break;
1807: default:
1.50 jfb 1808: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1809: cvs_log(LP_ERR,
1810: "unexpected token `%s' in RCS admin section",
1811: RCS_TOKSTR(rfp));
1.147 ray 1812: goto fail;
1.1 jfb 1813: }
1814: }
1815:
1.147 ray 1816: fail:
1817: return (-1);
1.1 jfb 1818: }
1819:
1820: /*
1821: * rcs_parse_delta()
1822: *
1823: * Parse an RCS delta section and allocate the structure to store that delta's
1824: * information in the <rfp> delta list.
1825: * Returns 1 if the section was parsed OK, 0 if it is the last delta, and
1826: * -1 on error.
1827: */
1828: static int
1829: rcs_parse_delta(RCSFILE *rfp)
1830: {
1831: int ret, tok, ntok, hmask;
1832: u_int i;
1833: char *tokstr;
1.3 vincent 1834: RCSNUM *datenum;
1.1 jfb 1835: struct rcs_delta *rdp;
1836: struct rcs_key *rk;
1837:
1.161 ray 1838: rdp = xcalloc(1, sizeof(*rdp));
1.1 jfb 1839:
1840: rdp->rd_num = rcsnum_alloc();
1841: rdp->rd_next = rcsnum_alloc();
1842:
1843: TAILQ_INIT(&(rdp->rd_branches));
1844:
1845: tok = rcs_gettok(rfp);
1.154 ray 1846: if (tok == RCS_TOK_DESC) {
1847: rcs_pushtok(rfp, RCS_TOKSTR(rfp), tok);
1848: return (0);
1849: } else if (tok != RCS_TOK_NUM) {
1.52 jfb 1850: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1851: cvs_log(LP_ERR, "unexpected token `%s' at start of delta",
1852: RCS_TOKSTR(rfp));
1853: rcs_freedelta(rdp);
1854: return (-1);
1855: }
1856: rcsnum_aton(RCS_TOKSTR(rfp), NULL, rdp->rd_num);
1857:
1858: hmask = 0;
1859: ret = 0;
1860: tokstr = NULL;
1861:
1862: for (;;) {
1863: tok = rcs_gettok(rfp);
1864: if (tok == RCS_TOK_ERR) {
1.50 jfb 1865: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1866: cvs_log(LP_ERR, "parse error in RCS delta section");
1867: rcs_freedelta(rdp);
1868: return (-1);
1.14 deraadt 1869: } else if (tok == RCS_TOK_NUM || tok == RCS_TOK_DESC) {
1.15 tedu 1870: rcs_pushtok(rfp, RCS_TOKSTR(rfp), tok);
1.1 jfb 1871: ret = (tok == RCS_TOK_NUM ? 1 : 0);
1872: break;
1873: }
1874:
1875: rk = NULL;
1.18 jfb 1876: for (i = 0; i < RCS_NKEYS; i++)
1.1 jfb 1877: if (rcs_keys[i].rk_id == tok)
1878: rk = &(rcs_keys[i]);
1879:
1880: if (hmask & (1 << tok)) {
1.50 jfb 1881: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1882: cvs_log(LP_ERR, "duplicate RCS key");
1883: rcs_freedelta(rdp);
1884: return (-1);
1885: }
1886: hmask |= (1 << tok);
1887:
1888: switch (tok) {
1889: case RCS_TOK_DATE:
1890: case RCS_TOK_AUTHOR:
1891: case RCS_TOK_STATE:
1892: case RCS_TOK_NEXT:
1893: ntok = rcs_gettok(rfp);
1894: if (ntok == RCS_TOK_SCOLON) {
1895: if (rk->rk_flags & RCS_VOPT)
1896: break;
1897: else {
1.50 jfb 1898: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1899: cvs_log(LP_ERR, "missing mandatory "
1900: "value to RCS key `%s'",
1901: rk->rk_str);
1902: rcs_freedelta(rdp);
1903: return (-1);
1904: }
1905: }
1906:
1907: if (ntok != rk->rk_val) {
1.50 jfb 1908: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1909: cvs_log(LP_ERR,
1910: "invalid value type for RCS key `%s'",
1911: rk->rk_str);
1912: rcs_freedelta(rdp);
1913: return (-1);
1914: }
1915:
1916: if (tokstr != NULL)
1.110 joris 1917: xfree(tokstr);
1918: tokstr = xstrdup(RCS_TOKSTR(rfp));
1.1 jfb 1919: /* now get the expected semi-colon */
1920: ntok = rcs_gettok(rfp);
1921: if (ntok != RCS_TOK_SCOLON) {
1.50 jfb 1922: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1923: cvs_log(LP_ERR,
1924: "missing semi-colon after RCS `%s' key",
1.26 jfb 1925: rk->rk_str);
1.110 joris 1926: xfree(tokstr);
1.1 jfb 1927: rcs_freedelta(rdp);
1928: return (-1);
1929: }
1930:
1931: if (tok == RCS_TOK_DATE) {
1.25 jfb 1932: if ((datenum = rcsnum_parse(tokstr)) == NULL) {
1.110 joris 1933: xfree(tokstr);
1.11 joris 1934: rcs_freedelta(rdp);
1935: return (-1);
1936: }
1.3 vincent 1937: if (datenum->rn_len != 6) {
1.50 jfb 1938: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1939: cvs_log(LP_ERR,
1940: "RCS date specification has %s "
1941: "fields",
1.3 vincent 1942: (datenum->rn_len > 6) ? "too many" :
1.1 jfb 1943: "missing");
1.110 joris 1944: xfree(tokstr);
1.1 jfb 1945: rcs_freedelta(rdp);
1.37 tedu 1946: rcsnum_free(datenum);
1947: return (-1);
1.1 jfb 1948: }
1.3 vincent 1949: rdp->rd_date.tm_year = datenum->rn_id[0];
1.19 jfb 1950: if (rdp->rd_date.tm_year >= 1900)
1951: rdp->rd_date.tm_year -= 1900;
1.3 vincent 1952: rdp->rd_date.tm_mon = datenum->rn_id[1] - 1;
1953: rdp->rd_date.tm_mday = datenum->rn_id[2];
1954: rdp->rd_date.tm_hour = datenum->rn_id[3];
1955: rdp->rd_date.tm_min = datenum->rn_id[4];
1956: rdp->rd_date.tm_sec = datenum->rn_id[5];
1957: rcsnum_free(datenum);
1.14 deraadt 1958: } else if (tok == RCS_TOK_AUTHOR) {
1.1 jfb 1959: rdp->rd_author = tokstr;
1960: tokstr = NULL;
1.14 deraadt 1961: } else if (tok == RCS_TOK_STATE) {
1.1 jfb 1962: rdp->rd_state = tokstr;
1963: tokstr = NULL;
1.14 deraadt 1964: } else if (tok == RCS_TOK_NEXT) {
1.1 jfb 1965: rcsnum_aton(tokstr, NULL, rdp->rd_next);
1966: }
1967: break;
1968: case RCS_TOK_BRANCHES:
1.46 jfb 1969: if (rcs_parse_branches(rfp, rdp) < 0) {
1970: rcs_freedelta(rdp);
1971: return (-1);
1972: }
1.1 jfb 1973: break;
1974: default:
1.50 jfb 1975: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1976: cvs_log(LP_ERR,
1977: "unexpected token `%s' in RCS delta",
1978: RCS_TOKSTR(rfp));
1979: rcs_freedelta(rdp);
1980: return (-1);
1981: }
1982: }
1983:
1.13 jfb 1984: if (tokstr != NULL)
1.110 joris 1985: xfree(tokstr);
1.13 jfb 1986:
1.1 jfb 1987: TAILQ_INSERT_TAIL(&(rfp->rf_delta), rdp, rd_list);
1.26 jfb 1988: rfp->rf_ndelta++;
1.1 jfb 1989:
1990: return (ret);
1991: }
1992:
1993: /*
1994: * rcs_parse_deltatext()
1995: *
1996: * Parse an RCS delta text section and fill in the log and text field of the
1997: * appropriate delta section.
1998: * Returns 1 if the section was parsed OK, 0 if it is the last delta, and
1999: * -1 on error.
2000: */
2001: static int
2002: rcs_parse_deltatext(RCSFILE *rfp)
2003: {
2004: int tok;
2005: RCSNUM *tnum;
2006: struct rcs_delta *rdp;
2007:
2008: tok = rcs_gettok(rfp);
2009: if (tok == RCS_TOK_EOF)
2010: return (0);
2011:
2012: if (tok != RCS_TOK_NUM) {
1.50 jfb 2013: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2014: cvs_log(LP_ERR,
2015: "unexpected token `%s' at start of RCS delta text",
2016: RCS_TOKSTR(rfp));
2017: return (-1);
2018: }
1.13 jfb 2019:
2020: tnum = rcsnum_alloc();
1.1 jfb 2021: rcsnum_aton(RCS_TOKSTR(rfp), NULL, tnum);
2022:
2023: TAILQ_FOREACH(rdp, &(rfp->rf_delta), rd_list) {
2024: if (rcsnum_cmp(tnum, rdp->rd_num, 0) == 0)
2025: break;
2026: }
1.13 jfb 2027: rcsnum_free(tnum);
2028:
1.1 jfb 2029: if (rdp == NULL) {
2030: cvs_log(LP_ERR, "RCS delta text `%s' has no matching delta",
2031: RCS_TOKSTR(rfp));
2032: return (-1);
2033: }
2034:
2035: tok = rcs_gettok(rfp);
2036: if (tok != RCS_TOK_LOG) {
1.50 jfb 2037: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2038: cvs_log(LP_ERR, "unexpected token `%s' where RCS log expected",
2039: RCS_TOKSTR(rfp));
2040: return (-1);
2041: }
2042:
2043: tok = rcs_gettok(rfp);
2044: if (tok != RCS_TOK_STRING) {
1.50 jfb 2045: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2046: cvs_log(LP_ERR, "unexpected token `%s' where RCS log expected",
2047: RCS_TOKSTR(rfp));
2048: return (-1);
2049: }
1.110 joris 2050: rdp->rd_log = xstrdup(RCS_TOKSTR(rfp));
1.1 jfb 2051: tok = rcs_gettok(rfp);
2052: if (tok != RCS_TOK_TEXT) {
1.50 jfb 2053: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2054: cvs_log(LP_ERR, "unexpected token `%s' where RCS text expected",
2055: RCS_TOKSTR(rfp));
2056: return (-1);
2057: }
2058:
2059: tok = rcs_gettok(rfp);
2060: if (tok != RCS_TOK_STRING) {
1.50 jfb 2061: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2062: cvs_log(LP_ERR, "unexpected token `%s' where RCS text expected",
2063: RCS_TOKSTR(rfp));
2064: return (-1);
2065: }
2066:
1.161 ray 2067: rdp->rd_text = xmalloc(RCS_TOKLEN(rfp) + 1);
1.74 joris 2068: strlcpy(rdp->rd_text, RCS_TOKSTR(rfp), (RCS_TOKLEN(rfp) + 1));
1.42 jfb 2069: rdp->rd_tlen = RCS_TOKLEN(rfp);
1.1 jfb 2070:
2071: return (1);
2072: }
2073:
2074: /*
2075: * rcs_parse_access()
2076: *
2077: * Parse the access list given as value to the `access' keyword.
2078: * Returns 0 on success, or -1 on failure.
2079: */
2080: static int
2081: rcs_parse_access(RCSFILE *rfp)
2082: {
2083: int type;
2084:
2085: while ((type = rcs_gettok(rfp)) != RCS_TOK_SCOLON) {
2086: if (type != RCS_TOK_ID) {
1.50 jfb 2087: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2088: cvs_log(LP_ERR, "unexpected token `%s' in access list",
2089: RCS_TOKSTR(rfp));
2090: return (-1);
2091: }
1.29 jfb 2092:
2093: if (rcs_access_add(rfp, RCS_TOKSTR(rfp)) < 0)
2094: return (-1);
1.1 jfb 2095: }
2096:
2097: return (0);
2098: }
2099:
2100: /*
2101: * rcs_parse_symbols()
2102: *
2103: * Parse the symbol list given as value to the `symbols' keyword.
2104: * Returns 0 on success, or -1 on failure.
2105: */
2106: static int
2107: rcs_parse_symbols(RCSFILE *rfp)
2108: {
2109: int type;
2110: struct rcs_sym *symp;
2111:
2112: for (;;) {
2113: type = rcs_gettok(rfp);
2114: if (type == RCS_TOK_SCOLON)
2115: break;
2116:
1.41 jfb 2117: if (type != RCS_TOK_ID) {
1.50 jfb 2118: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2119: cvs_log(LP_ERR, "unexpected token `%s' in symbol list",
2120: RCS_TOKSTR(rfp));
2121: return (-1);
2122: }
2123:
1.161 ray 2124: symp = xmalloc(sizeof(*symp));
1.110 joris 2125: symp->rs_name = xstrdup(RCS_TOKSTR(rfp));
1.1 jfb 2126: symp->rs_num = rcsnum_alloc();
2127:
2128: type = rcs_gettok(rfp);
2129: if (type != RCS_TOK_COLON) {
1.50 jfb 2130: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2131: cvs_log(LP_ERR, "unexpected token `%s' in symbol list",
2132: RCS_TOKSTR(rfp));
1.11 joris 2133: rcsnum_free(symp->rs_num);
1.110 joris 2134: xfree(symp->rs_name);
2135: xfree(symp);
1.1 jfb 2136: return (-1);
2137: }
2138:
2139: type = rcs_gettok(rfp);
2140: if (type != RCS_TOK_NUM) {
1.50 jfb 2141: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2142: cvs_log(LP_ERR, "unexpected token `%s' in symbol list",
2143: RCS_TOKSTR(rfp));
1.11 joris 2144: rcsnum_free(symp->rs_num);
1.110 joris 2145: xfree(symp->rs_name);
2146: xfree(symp);
1.1 jfb 2147: return (-1);
2148: }
2149:
2150: if (rcsnum_aton(RCS_TOKSTR(rfp), NULL, symp->rs_num) < 0) {
2151: cvs_log(LP_ERR, "failed to parse RCS NUM `%s'",
2152: RCS_TOKSTR(rfp));
1.11 joris 2153: rcsnum_free(symp->rs_num);
1.110 joris 2154: xfree(symp->rs_name);
2155: xfree(symp);
1.1 jfb 2156: return (-1);
2157: }
2158:
1.43 jfb 2159: TAILQ_INSERT_TAIL(&(rfp->rf_symbols), symp, rs_list);
1.1 jfb 2160: }
2161:
2162: return (0);
2163: }
2164:
2165: /*
2166: * rcs_parse_locks()
2167: *
2168: * Parse the lock list given as value to the `locks' keyword.
2169: * Returns 0 on success, or -1 on failure.
2170: */
2171: static int
2172: rcs_parse_locks(RCSFILE *rfp)
2173: {
2174: int type;
2175: struct rcs_lock *lkp;
2176:
2177: for (;;) {
2178: type = rcs_gettok(rfp);
2179: if (type == RCS_TOK_SCOLON)
2180: break;
2181:
2182: if (type != RCS_TOK_ID) {
1.50 jfb 2183: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2184: cvs_log(LP_ERR, "unexpected token `%s' in lock list",
2185: RCS_TOKSTR(rfp));
2186: return (-1);
2187: }
2188:
1.161 ray 2189: lkp = xmalloc(sizeof(*lkp));
1.110 joris 2190: lkp->rl_name = xstrdup(RCS_TOKSTR(rfp));
1.1 jfb 2191: lkp->rl_num = rcsnum_alloc();
2192:
2193: type = rcs_gettok(rfp);
2194: if (type != RCS_TOK_COLON) {
1.50 jfb 2195: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2196: cvs_log(LP_ERR, "unexpected token `%s' in symbol list",
2197: RCS_TOKSTR(rfp));
1.37 tedu 2198: rcsnum_free(lkp->rl_num);
1.110 joris 2199: xfree(lkp->rl_name);
2200: xfree(lkp);
1.1 jfb 2201: return (-1);
2202: }
2203:
2204: type = rcs_gettok(rfp);
2205: if (type != RCS_TOK_NUM) {
1.50 jfb 2206: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2207: cvs_log(LP_ERR, "unexpected token `%s' in symbol list",
2208: RCS_TOKSTR(rfp));
1.37 tedu 2209: rcsnum_free(lkp->rl_num);
1.110 joris 2210: xfree(lkp->rl_name);
2211: xfree(lkp);
1.1 jfb 2212: return (-1);
2213: }
2214:
2215: if (rcsnum_aton(RCS_TOKSTR(rfp), NULL, lkp->rl_num) < 0) {
2216: cvs_log(LP_ERR, "failed to parse RCS NUM `%s'",
2217: RCS_TOKSTR(rfp));
1.37 tedu 2218: rcsnum_free(lkp->rl_num);
1.110 joris 2219: xfree(lkp->rl_name);
2220: xfree(lkp);
1.1 jfb 2221: return (-1);
2222: }
2223:
2224: TAILQ_INSERT_HEAD(&(rfp->rf_locks), lkp, rl_list);
2225: }
2226:
2227: /* check if we have a `strict' */
2228: type = rcs_gettok(rfp);
2229: if (type != RCS_TOK_STRICT) {
2230: rcs_pushtok(rfp, RCS_TOKSTR(rfp), type);
1.14 deraadt 2231: } else {
1.26 jfb 2232: rfp->rf_flags |= RCS_SLOCK;
1.1 jfb 2233:
2234: type = rcs_gettok(rfp);
2235: if (type != RCS_TOK_SCOLON) {
1.50 jfb 2236: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2237: cvs_log(LP_ERR,
2238: "missing semi-colon after `strict' keyword");
2239: return (-1);
2240: }
2241: }
2242:
2243: return (0);
2244: }
2245:
2246: /*
2247: * rcs_parse_branches()
2248: *
2249: * Parse the list of branches following a `branches' keyword in a delta.
2250: * Returns 0 on success, or -1 on failure.
2251: */
2252: static int
2253: rcs_parse_branches(RCSFILE *rfp, struct rcs_delta *rdp)
2254: {
2255: int type;
2256: struct rcs_branch *brp;
2257:
2258: for (;;) {
2259: type = rcs_gettok(rfp);
2260: if (type == RCS_TOK_SCOLON)
2261: break;
2262:
2263: if (type != RCS_TOK_NUM) {
1.50 jfb 2264: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2265: cvs_log(LP_ERR,
2266: "unexpected token `%s' in list of branches",
2267: RCS_TOKSTR(rfp));
2268: return (-1);
2269: }
2270:
1.161 ray 2271: brp = xmalloc(sizeof(*brp));
1.46 jfb 2272: brp->rb_num = rcsnum_parse(RCS_TOKSTR(rfp));
1.11 joris 2273: if (brp->rb_num == NULL) {
1.110 joris 2274: xfree(brp);
1.11 joris 2275: return (-1);
2276: }
1.1 jfb 2277:
2278: TAILQ_INSERT_TAIL(&(rdp->rd_branches), brp, rb_list);
2279: }
2280:
2281: return (0);
2282: }
2283:
2284: /*
2285: * rcs_freedelta()
2286: *
2287: * Free the contents of a delta structure.
2288: */
1.18 jfb 2289: static void
1.1 jfb 2290: rcs_freedelta(struct rcs_delta *rdp)
2291: {
1.12 jfb 2292: struct rcs_branch *rb;
1.1 jfb 2293:
1.12 jfb 2294: if (rdp->rd_num != NULL)
2295: rcsnum_free(rdp->rd_num);
2296: if (rdp->rd_next != NULL)
2297: rcsnum_free(rdp->rd_next);
2298:
1.1 jfb 2299: if (rdp->rd_author != NULL)
1.110 joris 2300: xfree(rdp->rd_author);
1.109 joris 2301: if (rdp->rd_locker != NULL)
1.110 joris 2302: xfree(rdp->rd_locker);
1.1 jfb 2303: if (rdp->rd_state != NULL)
1.110 joris 2304: xfree(rdp->rd_state);
1.1 jfb 2305: if (rdp->rd_log != NULL)
1.110 joris 2306: xfree(rdp->rd_log);
1.1 jfb 2307: if (rdp->rd_text != NULL)
1.110 joris 2308: xfree(rdp->rd_text);
1.12 jfb 2309:
2310: while ((rb = TAILQ_FIRST(&(rdp->rd_branches))) != NULL) {
2311: TAILQ_REMOVE(&(rdp->rd_branches), rb, rb_list);
2312: rcsnum_free(rb->rb_num);
1.110 joris 2313: xfree(rb);
1.1 jfb 2314: }
2315:
1.110 joris 2316: xfree(rdp);
1.1 jfb 2317: }
2318:
2319: /*
2320: * rcs_freepdata()
2321: *
2322: * Free the contents of the parser data structure.
2323: */
2324: static void
2325: rcs_freepdata(struct rcs_pdata *pd)
2326: {
2327: if (pd->rp_file != NULL)
2328: (void)fclose(pd->rp_file);
2329: if (pd->rp_buf != NULL)
1.110 joris 2330: xfree(pd->rp_buf);
2331: xfree(pd);
1.1 jfb 2332: }
2333:
2334: /*
2335: * rcs_gettok()
2336: *
2337: * Get the next RCS token from the string <str>.
2338: */
2339: static int
2340: rcs_gettok(RCSFILE *rfp)
2341: {
2342: u_int i;
2343: int ch, last, type;
1.18 jfb 2344: size_t len;
2345: char *bp;
1.1 jfb 2346: struct rcs_pdata *pdp = (struct rcs_pdata *)rfp->rf_pdata;
2347:
2348: type = RCS_TOK_ERR;
2349: bp = pdp->rp_buf;
1.42 jfb 2350: pdp->rp_tlen = 0;
1.1 jfb 2351: *bp = '\0';
2352:
2353: if (pdp->rp_pttype != RCS_TOK_ERR) {
2354: type = pdp->rp_pttype;
2355: strlcpy(pdp->rp_buf, pdp->rp_ptok, pdp->rp_blen);
2356: pdp->rp_pttype = RCS_TOK_ERR;
2357: return (type);
2358: }
2359:
2360: /* skip leading whitespace */
2361: /* XXX we must skip backspace too for compatibility, should we? */
2362: do {
2363: ch = getc(pdp->rp_file);
2364: if (ch == '\n')
1.18 jfb 2365: pdp->rp_lines++;
1.1 jfb 2366: } while (isspace(ch));
2367:
2368: if (ch == EOF) {
2369: type = RCS_TOK_EOF;
1.14 deraadt 2370: } else if (ch == ';') {
1.1 jfb 2371: type = RCS_TOK_SCOLON;
1.14 deraadt 2372: } else if (ch == ':') {
1.1 jfb 2373: type = RCS_TOK_COLON;
1.14 deraadt 2374: } else if (isalpha(ch)) {
1.31 jfb 2375: type = RCS_TOK_ID;
1.1 jfb 2376: *(bp++) = ch;
1.18 jfb 2377: for (;;) {
1.1 jfb 2378: ch = getc(pdp->rp_file);
1.160 joris 2379: if (!isalnum(ch) && ch != '_' && ch != '-' &&
2380: ch != '/') {
1.1 jfb 2381: ungetc(ch, pdp->rp_file);
2382: break;
2383: }
2384: *(bp++) = ch;
1.42 jfb 2385: pdp->rp_tlen++;
1.18 jfb 2386: if (bp == pdp->rp_bufend - 1) {
2387: len = bp - pdp->rp_buf;
1.151 xsa 2388: rcs_growbuf(rfp);
1.18 jfb 2389: bp = pdp->rp_buf + len;
2390: }
1.1 jfb 2391: }
2392: *bp = '\0';
2393:
1.18 jfb 2394: if (type != RCS_TOK_ERR) {
2395: for (i = 0; i < RCS_NKEYS; i++) {
2396: if (strcmp(rcs_keys[i].rk_str,
2397: pdp->rp_buf) == 0) {
2398: type = rcs_keys[i].rk_id;
2399: break;
2400: }
1.1 jfb 2401: }
2402: }
1.14 deraadt 2403: } else if (ch == '@') {
1.1 jfb 2404: /* we have a string */
1.18 jfb 2405: type = RCS_TOK_STRING;
1.1 jfb 2406: for (;;) {
2407: ch = getc(pdp->rp_file);
2408: if (ch == '@') {
2409: ch = getc(pdp->rp_file);
2410: if (ch != '@') {
2411: ungetc(ch, pdp->rp_file);
2412: break;
2413: }
1.14 deraadt 2414: } else if (ch == '\n')
1.18 jfb 2415: pdp->rp_lines++;
1.1 jfb 2416:
2417: *(bp++) = ch;
1.42 jfb 2418: pdp->rp_tlen++;
1.18 jfb 2419: if (bp == pdp->rp_bufend - 1) {
2420: len = bp - pdp->rp_buf;
1.151 xsa 2421: rcs_growbuf(rfp);
1.18 jfb 2422: bp = pdp->rp_buf + len;
2423: }
1.1 jfb 2424: }
2425:
2426: *bp = '\0';
1.14 deraadt 2427: } else if (isdigit(ch)) {
1.1 jfb 2428: *(bp++) = ch;
2429: last = ch;
2430: type = RCS_TOK_NUM;
2431:
2432: for (;;) {
2433: ch = getc(pdp->rp_file);
1.18 jfb 2434: if (bp == pdp->rp_bufend)
1.1 jfb 2435: break;
2436: if (!isdigit(ch) && ch != '.') {
2437: ungetc(ch, pdp->rp_file);
2438: break;
2439: }
2440:
2441: if (last == '.' && ch == '.') {
2442: type = RCS_TOK_ERR;
2443: break;
2444: }
2445: last = ch;
2446: *(bp++) = ch;
1.42 jfb 2447: pdp->rp_tlen++;
1.1 jfb 2448: }
1.18 jfb 2449: *bp = '\0';
1.1 jfb 2450: }
2451:
2452: return (type);
2453: }
2454:
2455: /*
2456: * rcs_pushtok()
2457: *
2458: * Push a token back in the parser's token buffer.
2459: */
2460: static int
2461: rcs_pushtok(RCSFILE *rfp, const char *tok, int type)
2462: {
2463: struct rcs_pdata *pdp = (struct rcs_pdata *)rfp->rf_pdata;
2464:
2465: if (pdp->rp_pttype != RCS_TOK_ERR)
2466: return (-1);
2467:
2468: pdp->rp_pttype = type;
2469: strlcpy(pdp->rp_ptok, tok, sizeof(pdp->rp_ptok));
2470: return (0);
2471: }
2472:
1.18 jfb 2473:
2474: /*
2475: * rcs_growbuf()
2476: *
2477: * Attempt to grow the internal parse buffer for the RCS file <rf> by
2478: * RCS_BUFEXTSIZE.
2479: * In case of failure, the original buffer is left unmodified.
2480: */
1.151 xsa 2481: static void
1.18 jfb 2482: rcs_growbuf(RCSFILE *rf)
2483: {
2484: void *tmp;
2485: struct rcs_pdata *pdp = (struct rcs_pdata *)rf->rf_pdata;
2486:
1.153 ray 2487: tmp = xrealloc(pdp->rp_buf, 1, pdp->rp_blen + RCS_BUFEXTSIZE);
1.161 ray 2488: pdp->rp_buf = tmp;
1.18 jfb 2489: pdp->rp_blen += RCS_BUFEXTSIZE;
2490: pdp->rp_bufend = pdp->rp_buf + pdp->rp_blen - 1;
1.42 jfb 2491: }
2492:
2493: /*
2494: * rcs_strprint()
2495: *
2496: * Output an RCS string <str> of size <slen> to the stream <stream>. Any
2497: * '@' characters are escaped. Otherwise, the string can contain arbitrary
2498: * binary data.
2499: */
1.155 ray 2500: static void
1.42 jfb 2501: rcs_strprint(const u_char *str, size_t slen, FILE *stream)
2502: {
2503: const u_char *ap, *ep, *sp;
1.52 jfb 2504:
2505: if (slen == 0)
1.155 ray 2506: return;
1.42 jfb 2507:
2508: ep = str + slen - 1;
2509:
2510: for (sp = str; sp <= ep;) {
2511: ap = memchr(sp, '@', ep - sp);
2512: if (ap == NULL)
2513: ap = ep;
1.155 ray 2514: (void)fwrite(sp, sizeof(u_char), ap - sp + 1, stream);
1.42 jfb 2515:
2516: if (*ap == '@')
2517: putc('@', stream);
2518: sp = ap + 1;
1.63 joris 2519: }
2520: }
2521:
2522: /*
2523: * rcs_expand_keywords()
2524: *
1.125 niallo 2525: * Return expansion any RCS keywords in <data>
2526: *
2527: * On error, return NULL.
1.63 joris 2528: */
1.125 niallo 2529: static char *
2530: rcs_expand_keywords(char *rcsfile, struct rcs_delta *rdp, char *data,
1.63 joris 2531: size_t len, int mode)
2532: {
1.155 ray 2533: ptrdiff_t c_offset, sizdiff, start_offset;
1.147 ray 2534: size_t i;
1.155 ray 2535: int kwtype;
2536: u_int j, found;
1.140 xsa 2537: char *c, *kwstr, *start, *end, *tbuf;
1.125 niallo 2538: char expbuf[256], buf[256];
1.165 ! joris 2539: struct tm tb;
1.134 joris 2540: char *fmt;
1.63 joris 2541:
1.65 niallo 2542: kwtype = 0;
2543: kwstr = NULL;
1.63 joris 2544: i = 0;
2545:
2546: /*
1.134 joris 2547: * -z support for RCS
2548: */
1.165 ! joris 2549: tb = rdp->rd_date;
1.140 xsa 2550: if (timezone_flag != NULL)
1.165 ! joris 2551: rcs_set_tz(timezone_flag, rdp, &tb);
1.134 joris 2552:
2553: /*
1.63 joris 2554: * Keyword formats:
2555: * $Keyword$
2556: * $Keyword: value$
2557: */
1.144 deraadt 2558: for (c = data; *c != '\0' && i < len; c++) {
1.63 joris 2559: if (*c == '$') {
2560: /* remember start of this possible keyword */
2561: start = c;
1.125 niallo 2562: start_offset = start - data;
1.63 joris 2563:
2564: /* first following character has to be alphanumeric */
1.144 deraadt 2565: c++;
1.63 joris 2566: if (!isalpha(*c)) {
2567: c = start;
2568: continue;
2569: }
2570:
2571: /* look for any matching keywords */
2572: found = 0;
2573: for (j = 0; j < RCS_NKWORDS; j++) {
2574: if (!strncmp(c, rcs_expkw[j].kw_str,
2575: strlen(rcs_expkw[j].kw_str))) {
2576: found = 1;
2577: kwstr = rcs_expkw[j].kw_str;
2578: kwtype = rcs_expkw[j].kw_type;
2579: break;
2580: }
2581: }
2582:
2583: /* unknown keyword, continue looking */
2584: if (found == 0) {
2585: c = start;
2586: continue;
2587: }
2588:
2589: /* next character has to be ':' or '$' */
2590: c += strlen(kwstr);
2591: if (*c != ':' && *c != '$') {
2592: c = start;
2593: continue;
2594: }
2595:
2596: /*
2597: * if the next character was ':' we need to look for
2598: * an '$' before the end of the line to be sure it is
2599: * in fact a keyword.
2600: */
2601: if (*c == ':') {
2602: while (*c++) {
2603: if (*c == '$' || *c == '\n')
2604: break;
2605: }
2606:
2607: if (*c != '$') {
2608: c = start;
2609: continue;
2610: }
2611: }
1.125 niallo 2612: c_offset = c - data;
2613: end = c + 1;
1.63 joris 2614:
2615: /* start constructing the expansion */
2616: expbuf[0] = '\0';
2617:
2618: if (mode & RCS_KWEXP_NAME) {
2619: strlcat(expbuf, "$", sizeof(expbuf));
2620: strlcat(expbuf, kwstr, sizeof(expbuf));
2621: if (mode & RCS_KWEXP_VAL)
2622: strlcat(expbuf, ": ", sizeof(expbuf));
2623: }
2624:
2625: /*
1.80 reyk 2626: * order matters because of RCS_KW_ID and
2627: * RCS_KW_HEADER here
1.63 joris 2628: */
2629: if (mode & RCS_KWEXP_VAL) {
2630: if (kwtype & RCS_KW_RCSFILE) {
2631: if (!(kwtype & RCS_KW_FULLPATH))
1.80 reyk 2632: strlcat(expbuf,
2633: basename(rcsfile),
1.63 joris 2634: sizeof(expbuf));
2635: else
2636: strlcat(expbuf, rcsfile,
2637: sizeof(expbuf));
2638: strlcat(expbuf, " ", sizeof(expbuf));
2639: }
2640:
2641: if (kwtype & RCS_KW_REVISION) {
1.80 reyk 2642: rcsnum_tostr(rdp->rd_num, buf,
2643: sizeof(buf));
1.63 joris 2644: strlcat(buf, " ", sizeof(buf));
2645: strlcat(expbuf, buf, sizeof(expbuf));
2646: }
2647:
2648: if (kwtype & RCS_KW_DATE) {
1.134 joris 2649: if (timezone_flag != NULL)
2650: fmt = "%Y/%m/%d %H:%M:%S%z ";
2651: else
2652: fmt = "%Y/%m/%d %H:%M:%S ";
2653:
1.165 ! joris 2654: strftime(buf, sizeof(buf), fmt, &tb);
1.63 joris 2655: strlcat(expbuf, buf, sizeof(expbuf));
2656: }
2657:
2658: if (kwtype & RCS_KW_AUTHOR) {
2659: strlcat(expbuf, rdp->rd_author,
2660: sizeof(expbuf));
2661: strlcat(expbuf, " ", sizeof(expbuf));
2662: }
2663:
2664: if (kwtype & RCS_KW_STATE) {
2665: strlcat(expbuf, rdp->rd_state,
2666: sizeof(expbuf));
2667: strlcat(expbuf, " ", sizeof(expbuf));
2668: }
2669:
2670: /* order does not matter anymore below */
2671: if (kwtype & RCS_KW_LOG)
2672: strlcat(expbuf, " ", sizeof(expbuf));
2673:
2674: if (kwtype & RCS_KW_SOURCE) {
1.80 reyk 2675: strlcat(expbuf, rcsfile,
2676: sizeof(expbuf));
1.63 joris 2677: strlcat(expbuf, " ", sizeof(expbuf));
2678: }
2679:
2680: if (kwtype & RCS_KW_NAME)
2681: strlcat(expbuf, " ", sizeof(expbuf));
2682: }
2683:
2684: /* end the expansion */
2685: if (mode & RCS_KWEXP_NAME)
2686: strlcat(expbuf, "$", sizeof(expbuf));
1.138 deraadt 2687:
1.125 niallo 2688: sizdiff = strlen(expbuf) - (end - start);
1.161 ray 2689: tbuf = xstrdup(end);
1.125 niallo 2690: /* only realloc if we have to */
2691: if (sizdiff > 0) {
1.161 ray 2692: char *newdata;
2693:
1.125 niallo 2694: len += sizdiff;
1.161 ray 2695: newdata = xrealloc(data, 1, len);
2696: data = newdata;
1.125 niallo 2697: /*
2698: * ensure string pointers are not invalidated
2699: * after realloc()
2700: */
2701: start = data + start_offset;
2702: c = data + c_offset;
2703: }
2704: strlcpy(start, expbuf, len);
2705: strlcat(data, tbuf, len);
2706: xfree(tbuf);
1.63 joris 2707: i += strlen(expbuf);
2708: }
1.42 jfb 2709: }
1.81 niallo 2710:
1.125 niallo 2711: return (data);
1.81 niallo 2712: }
2713:
2714: /*
2715: * rcs_deltatext_set()
2716: *
2717: * Set deltatext for <rev> in RCS file <rfp> to <dtext>
1.96 xsa 2718: * Returns -1 on error, 0 on success.
1.81 niallo 2719: */
2720: int
2721: rcs_deltatext_set(RCSFILE *rfp, RCSNUM *rev, const char *dtext)
2722: {
2723: size_t len;
2724: struct rcs_delta *rdp;
1.117 niallo 2725:
2726: /* Write operations require full parsing */
2727: rcs_parse_deltatexts(rfp, NULL);
1.81 niallo 2728:
2729: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
2730: return (-1);
2731:
2732: if (rdp->rd_text != NULL)
1.110 joris 2733: xfree(rdp->rd_text);
1.81 niallo 2734:
2735: len = strlen(dtext);
1.103 joris 2736: if (len != 0) {
1.161 ray 2737: /* XXX - use xstrdup() if rd_text changes to char *. */
2738: rdp->rd_text = xmalloc(len + 1);
1.155 ray 2739: rdp->rd_tlen = len;
2740: (void)memcpy(rdp->rd_text, dtext, len + 1);
1.103 joris 2741: } else {
2742: rdp->rd_text = NULL;
2743: rdp->rd_tlen = 0;
2744: }
1.18 jfb 2745:
1.86 joris 2746: return (0);
2747: }
2748:
2749: /*
2750: * rcs_rev_setlog()
2751: *
2752: * Sets the log message of revision <rev> to <logtext>
2753: */
2754: int
2755: rcs_rev_setlog(RCSFILE *rfp, RCSNUM *rev, const char *logtext)
2756: {
2757: struct rcs_delta *rdp;
2758: char buf[16];
2759:
2760: rcsnum_tostr(rev, buf, sizeof(buf));
2761:
2762: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
2763: return (-1);
2764:
2765: if (rdp->rd_log != NULL)
1.110 joris 2766: xfree(rdp->rd_log);
1.86 joris 2767:
1.110 joris 2768: rdp->rd_log = xstrdup(logtext);
1.86 joris 2769: rfp->rf_flags &= ~RCS_SYNCED;
1.95 niallo 2770: return (0);
2771: }
1.97 niallo 2772: /*
2773: * rcs_rev_getdate()
2774: *
2775: * Get the date corresponding to a given revision.
2776: * Returns the date on success, -1 on failure.
2777: */
2778: time_t
2779: rcs_rev_getdate(RCSFILE *rfp, RCSNUM *rev)
2780: {
2781: struct rcs_delta *rdp;
2782:
2783: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
2784: return (-1);
2785:
2786: return (mktime(&rdp->rd_date));
2787: }
1.95 niallo 2788:
2789: /*
2790: * rcs_state_set()
2791: *
2792: * Sets the state of revision <rev> to <state>
2793: * NOTE: default state is 'Exp'. States may not contain spaces.
2794: *
2795: * Returns -1 on failure, 0 on success.
2796: */
2797: int
2798: rcs_state_set(RCSFILE *rfp, RCSNUM *rev, const char *state)
2799: {
2800: struct rcs_delta *rdp;
2801:
2802: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
2803: return (-1);
2804:
2805: if (rdp->rd_state != NULL)
1.110 joris 2806: xfree(rdp->rd_state);
1.95 niallo 2807:
1.110 joris 2808: rdp->rd_state = xstrdup(state);
1.95 niallo 2809:
2810: rfp->rf_flags &= ~RCS_SYNCED;
2811:
2812: return (0);
2813: }
2814:
2815: /*
2816: * rcs_state_check()
2817: *
2818: * Check if string <state> is valid.
2819: *
1.96 xsa 2820: * Returns 0 if the string is valid, -1 otherwise.
1.95 niallo 2821: */
2822: int
2823: rcs_state_check(const char *state)
2824: {
2825: if (strchr(state, ' ') != NULL)
2826: return (-1);
2827:
1.18 jfb 2828: return (0);
1.1 jfb 2829: }
1.97 niallo 2830:
2831: /*
2832: * rcs_state_get()
2833: *
2834: * Get the state for a given revision of a specified RCSFILE.
2835: *
2836: * Returns NULL on failure.
2837: */
2838: const char *
2839: rcs_state_get(RCSFILE *rfp, RCSNUM *rev)
2840: {
2841: struct rcs_delta *rdp;
2842:
2843: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
2844: return (NULL);
2845:
2846: return (rdp->rd_state);
2847: }
2848:
1.131 niallo 2849: /*
2850: * rcs_kwexp_buf()
2851: *
2852: * Do keyword expansion on a buffer if necessary
2853: *
2854: */
2855: BUF *
2856: rcs_kwexp_buf(BUF *bp, RCSFILE *rf, RCSNUM *rev)
2857: {
2858: struct rcs_delta *rdp;
2859: char *expanded, *tbuf;
2860: int expmode;
2861: size_t len;
2862:
2863: /*
2864: * Do keyword expansion if required.
2865: */
2866: if (rf->rf_expand != NULL)
2867: expmode = rcs_kwexp_get(rf);
2868: else
2869: expmode = RCS_KWEXP_DEFAULT;
2870:
2871: if (!(expmode & RCS_KWEXP_NONE)) {
2872: if ((rdp = rcs_findrev(rf, rev)) == NULL)
2873: fatal("could not fetch revision");
2874: cvs_buf_putc(bp, '\0');
2875: len = cvs_buf_len(bp);
2876: tbuf = cvs_buf_release(bp);
2877: expanded = rcs_expand_keywords(rf->rf_path, rdp,
2878: tbuf, len, expmode);
2879: bp = cvs_buf_alloc(len, BUF_AUTOEXT);
1.138 deraadt 2880: cvs_buf_set(bp, expanded, strlen(expanded), 0);
1.131 niallo 2881: xfree(expanded);
2882: }
2883: return (bp);
2884: }
1.105 joris 2885:
1.106 joris 2886: #if !defined(RCSPROG)
2887:
1.105 joris 2888: static char *month_tab[] = {
2889: "Jan",
2890: "Feb",
2891: "Mar",
2892: "Apr",
2893: "May",
2894: "Jun",
2895: "Jul",
2896: "Aug",
2897: "Sep",
2898: "Oct",
2899: "Nov",
2900: "Dec"
2901: };
2902:
1.163 xsa 2903: void
2904: rcs_kflag_usage(void)
2905: {
2906: (void)fprintf(stderr, "Valid expansion modes include:\n"
2907: "\t-kkv\tGenerate keywords using the default form.\n"
2908: "\t-kkvl\tLike -kkv, except locker's name inserted.\n"
2909: "\t-kk\tGenerate only keyword names in keyword strings.\n"
2910: "\t-kv\tGenerate only keyword values in keyword strings.\n"
2911: "\t-ko\tGenerate old keyword string "
2912: "(no changes from checked in file).\n"
2913: "\t-kb\tGenerate binary file unmodified (merges not allowed).\n");
2914: }
2915:
1.105 joris 2916: /*
2917: * Checkout a certain revision <rev> of RCS file <rf> to either standard
2918: * output when running in server mode, or to <fpath> when running in local mode.
2919: *
2920: * If type is CHECKOUT_REV_MERGED we have an extra argument, which
2921: * is the buffer containing the merged file.
2922: *
2923: * If type is CHECKOUT_REV_REMOVED, the file has been removed and we
2924: * need to do the same thing.
2925: */
2926: int
2927: cvs_checkout_rev(RCSFILE *rf, RCSNUM *rev, CVSFILE *cf, char *fpath,
2928: int local, int type, ...)
2929: {
2930: BUF *bp;
2931: int l, ret, fsize;
2932: char timebuf[32], entry[MAXPATHLEN], copyfile[MAXPATHLEN];
2933: char *content, *repo, buf[MAXPATHLEN], modestr[16];
2934: struct cvsroot *root;
2935: struct cvs_ent *ent;
2936: va_list ap;
2937: time_t rcstime;
2938: struct timeval tv[2];
2939: struct tm *tp;
2940: RCSNUM *oldrev;
2941:
2942: bp = NULL;
2943: ret = -1;
2944: content = NULL;
2945: oldrev = NULL;
2946:
2947: if ((type != CHECKOUT_REV_MERGED) && (type != CHECKOUT_REV_REMOVED)) {
2948: /* fetch the contents of the revision */
2949: if ((bp = rcs_getrev(rf, rev)) == NULL) {
2950: cvs_log(LP_ERR, "revision '%s' not found in file '%s'",
2951: rcsnum_tostr(rev, buf, sizeof(buf)), fpath);
2952: goto out;
2953: }
1.131 niallo 2954: bp = rcs_kwexp_buf(bp, rf, rev);
1.105 joris 2955: } else if (type != CHECKOUT_REV_REMOVED) {
2956: va_start(ap, type);
2957: bp = va_arg(ap, BUF *);
2958: va_end(ap);
2959: }
2960:
2961: if (type == CHECKOUT_REV_CREATED)
2962: rcstime = rcs_rev_getdate(rf, rev);
1.108 joris 2963: else if (type == CHECKOUT_REV_MERGED ||
2964: type == CHECKOUT_REV_UPDATED) {
1.105 joris 2965: time(&rcstime);
1.108 joris 2966: if ((rcstime = cvs_hack_time(rcstime, 1)) < 0)
2967: goto out;
2968: }
1.105 joris 2969:
1.108 joris 2970: if (type == CHECKOUT_REV_CREATED ||
1.130 niallo 2971: type == CHECKOUT_REV_MERGED ||
1.108 joris 2972: type == CHECKOUT_REV_UPDATED) {
1.105 joris 2973: ctime_r(&rcstime, timebuf);
2974: l = strlen(timebuf);
2975: if ((l > 0) && (timebuf[l - 1] == '\n'))
2976: timebuf[--l] = '\0';
2977:
2978: l = snprintf(entry, sizeof(entry), "/%s/%s/%s/%s/", cf->cf_name,
2979: rcsnum_tostr(rev, buf, sizeof(buf)),
2980: (local == 1) ? timebuf : "",
2981: (type == CHECKOUT_REV_MERGED) ? "+=" : "");
2982: if (l == -1 || l >= (int)sizeof(buf))
2983: goto out;
2984: }
2985:
2986: if (type == CHECKOUT_REV_MERGED) {
1.111 joris 2987: oldrev = rcsnum_alloc();
2988: rcsnum_cpy(rev, oldrev, 0);
1.105 joris 2989:
1.143 niallo 2990: if (oldrev->rn_id[oldrev->rn_len - 1] <= 0)
1.105 joris 2991: goto out;
1.143 niallo 2992: oldrev = rcsnum_dec(oldrev);
1.105 joris 2993:
2994: l = snprintf(copyfile, sizeof(copyfile), ".#%s.%s",
2995: cf->cf_name, rcsnum_tostr(oldrev, buf, sizeof(buf)));
2996: if (l == -1 || l >= (int)sizeof(copyfile))
2997: goto out;
2998: }
2999:
3000: root = CVS_DIR_ROOT(cf);
3001: repo = CVS_DIR_REPO(cf);
3002:
3003: /*
3004: * In local mode, just copy the entire contents to fpath.
3005: * In server mode, we need to send it to the client together with
3006: * some responses.
3007: */
3008: if (local) {
3009: l = 0;
3010: if (cf->cf_entry == NULL) {
3011: l = 1;
3012: cf->cf_entry = cvs_ent_open(cf->cf_dir, O_RDWR);
3013: if (cf->cf_entry == NULL) {
1.122 reyk 3014: cvs_log(LP_ERR, "failed to open Entry "
3015: "file '%s'", cf->cf_dir);
1.105 joris 3016: goto out;
3017: }
3018: }
3019:
3020: cvs_ent_remove(cf->cf_entry, cf->cf_name, 1);
3021: if (type != CHECKOUT_REV_REMOVED) {
3022: cvs_ent_addln(cf->cf_entry, entry);
3023: ent = cvs_ent_get(cf->cf_entry, cf->cf_name);
3024: ent->processed = 1;
3025: }
3026:
3027: if (l == 1)
3028: cvs_ent_close(cf->cf_entry);
3029:
3030: switch (type) {
3031: case CHECKOUT_REV_REMOVED:
3032: if (cvs_unlink(fpath) < 0)
3033: goto out;
3034: break;
3035: case CHECKOUT_REV_MERGED:
3036: /* XXX move the old file when merging */
1.108 joris 3037: case CHECKOUT_REV_UPDATED:
1.105 joris 3038: case CHECKOUT_REV_CREATED:
1.114 xsa 3039: cvs_buf_write(bp, fpath, cf->cf_mode);
1.107 joris 3040: /*
3041: * correct the time first
3042: */
3043: if ((rcstime = cvs_hack_time(rcstime, 0)) == 0)
3044: goto out;
3045:
1.105 joris 3046: tv[0].tv_sec = rcstime;
3047: tv[0].tv_usec = 0;
3048: tv[1] = tv[0];
3049: if (utimes(fpath, tv) == -1)
3050: cvs_log(LP_ERRNO, "failed to set timestamps");
3051: break;
3052: }
3053: } else {
3054: /* sanity */
3055: if (cf->cf_type != DT_REG) {
3056: cvs_log(LP_ERR, "cvs_checkout_rev: none DT_REG file");
3057: goto out;
3058: }
3059:
3060: /*
3061: * if we are removing a file, we don't need this stuff.
3062: */
3063: if (type != CHECKOUT_REV_REMOVED) {
1.107 joris 3064: if ((rcstime = cvs_hack_time(rcstime, 0)) == 0)
3065: goto out;
3066:
1.105 joris 3067: tp = gmtime(&rcstime);
3068: l = snprintf(timebuf, sizeof(timebuf),
3069: "%02d %s %d %02d:%02d:%02d -0000",
3070: tp->tm_mday, month_tab[tp->tm_mon],
3071: tp->tm_year + 1900, tp->tm_hour,
3072: tp->tm_min, tp->tm_sec);
3073: if (l == -1 || l >= (int)sizeof(timebuf))
3074: goto out;
3075:
3076: fsize = cvs_buf_len(bp);
3077: cvs_modetostr(cf->cf_mode, modestr, sizeof(modestr));
1.114 xsa 3078: cvs_buf_putc(bp, '\0');
1.105 joris 3079: content = cvs_buf_release(bp);
3080: bp = NULL;
3081: }
3082:
3083: if (type == CHECKOUT_REV_MERGED) {
3084: printf("Copy-file %s/\n", (cf->cf_dir != NULL) ?
3085: cf->cf_dir : ".");
3086: printf("%s/%s/%s\n", root->cr_dir, repo, cf->cf_name);
3087: printf("%s\n", copyfile);
3088: }
3089:
3090: switch (type) {
3091: case CHECKOUT_REV_MERGED:
3092: printf("Merged");
3093: break;
3094: case CHECKOUT_REV_REMOVED:
3095: printf("Removed");
3096: break;
3097: case CHECKOUT_REV_CREATED:
3098: printf("Mod-time %s\n", timebuf);
3099: printf("Created");
3100: break;
3101: default:
3102: cvs_log(LP_ERR, "cvs_checkout_rev: bad type %d",
3103: type);
3104: goto out;
3105: }
3106:
3107: printf(" %s/\n", (cf->cf_dir != NULL) ? cf->cf_dir : ".");
3108: printf("%s/%s\n", repo, cf->cf_name);
3109:
3110: if (type != CHECKOUT_REV_REMOVED) {
3111: printf("%s\n", entry);
3112: printf("%s\n%d\n%s", modestr, fsize, content);
3113: }
3114: }
3115:
3116: ret = 0;
3117:
3118: out:
3119: if (oldrev != NULL)
3120: rcsnum_free(oldrev);
3121: if (bp != NULL)
3122: cvs_buf_free(bp);
3123: if (content != NULL)
1.110 joris 3124: xfree(content);
1.105 joris 3125:
3126: return (ret);
3127: }
1.106 joris 3128:
1.163 xsa 3129: #endif /* !RCSPROG */