Annotation of src/usr.bin/cvs/rcs.c, Revision 1.141
1.141 ! ray 1: /* $OpenBSD: rcs.c,v 1.140 2006/03/09 10:56:33 xsa 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:
1.57 xsa 237: static int rcs_write(RCSFILE *);
1.117 niallo 238: static int rcs_parse_init(RCSFILE *);
1.57 xsa 239: static int rcs_parse_admin(RCSFILE *);
240: static int rcs_parse_delta(RCSFILE *);
1.124 xsa 241: static int rcs_parse_deltas(RCSFILE *, RCSNUM *);
1.57 xsa 242: static int rcs_parse_deltatext(RCSFILE *);
1.124 xsa 243: static int rcs_parse_deltatexts(RCSFILE *, RCSNUM *);
244: static int rcs_parse_desc(RCSFILE *, RCSNUM *);
1.57 xsa 245:
246: static int rcs_parse_access(RCSFILE *);
247: static int rcs_parse_symbols(RCSFILE *);
248: static int rcs_parse_locks(RCSFILE *);
249: static int rcs_parse_branches(RCSFILE *, struct rcs_delta *);
250: static void rcs_freedelta(struct rcs_delta *);
251: static void rcs_freepdata(struct rcs_pdata *);
252: static int rcs_gettok(RCSFILE *);
253: static int rcs_pushtok(RCSFILE *, const char *, int);
254: static int rcs_growbuf(RCSFILE *);
255: static int rcs_strprint(const u_char *, size_t, FILE *);
256:
1.131 niallo 257: static char* rcs_expand_keywords(char *, struct rcs_delta *, char *,
1.125 niallo 258: size_t, int);
1.26 jfb 259:
1.1 jfb 260: /*
261: * rcs_open()
262: *
263: * Open a file containing RCS-formatted information. The file's path is
1.26 jfb 264: * given in <path>, and the opening flags are given in <flags>, which is either
265: * RCS_READ, RCS_WRITE, or RCS_RDWR. If the open requests write access and
266: * the file does not exist, the RCS_CREATE flag must also be given, in which
267: * case it will be created with the mode specified in a third argument of
268: * type mode_t. If the file exists and RCS_CREATE is passed, the open will
269: * fail.
1.1 jfb 270: * Returns a handle to the opened file on success, or NULL on failure.
271: */
1.60 xsa 272: RCSFILE *
1.26 jfb 273: rcs_open(const char *path, int flags, ...)
1.1 jfb 274: {
1.26 jfb 275: int ret;
276: mode_t fmode;
1.1 jfb 277: RCSFILE *rfp;
278: struct stat st;
1.26 jfb 279: va_list vap;
1.109 joris 280: struct rcs_delta *rdp;
281: struct rcs_lock *lkr;
1.26 jfb 282:
283: fmode = 0;
284: flags &= 0xffff; /* ditch any internal flags */
1.1 jfb 285:
1.26 jfb 286: if (((ret = stat(path, &st)) == -1) && (errno == ENOENT)) {
287: if (flags & RCS_CREATE) {
288: va_start(vap, flags);
289: fmode = va_arg(vap, mode_t);
290: va_end(vap);
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:
1.110 joris 304: rfp = (RCSFILE *)xmalloc(sizeof(*rfp));
1.1 jfb 305: memset(rfp, 0, sizeof(*rfp));
306:
1.110 joris 307: rfp->rf_path = xstrdup(path);
1.26 jfb 308: rfp->rf_flags = flags | RCS_SLOCK;
309: rfp->rf_mode = fmode;
1.1 jfb 310:
311: TAILQ_INIT(&(rfp->rf_delta));
1.29 jfb 312: TAILQ_INIT(&(rfp->rf_access));
1.1 jfb 313: TAILQ_INIT(&(rfp->rf_symbols));
314: TAILQ_INIT(&(rfp->rf_locks));
315:
1.122 reyk 316: if (!(rfp->rf_flags & RCS_CREATE)
1.120 niallo 317: && (rcs_parse_init(rfp) < 0)) {
1.1 jfb 318: rcs_close(rfp);
319: return (NULL);
320: }
321:
1.109 joris 322: /* fill in rd_locker */
323: TAILQ_FOREACH(lkr, &(rfp->rf_locks), rl_list) {
324: if ((rdp = rcs_findrev(rfp, lkr->rl_num)) == NULL) {
325: rcs_close(rfp);
326: return (NULL);
327: }
328:
1.110 joris 329: rdp->rd_locker = xstrdup(lkr->rl_name);
1.109 joris 330: }
331:
1.1 jfb 332: return (rfp);
333: }
334:
335: /*
336: * rcs_close()
337: *
338: * Close an RCS file handle.
339: */
340: void
341: rcs_close(RCSFILE *rfp)
342: {
343: struct rcs_delta *rdp;
1.71 moritz 344: struct rcs_access *rap;
1.13 jfb 345: struct rcs_lock *rlp;
346: struct rcs_sym *rsp;
1.1 jfb 347:
1.26 jfb 348: if ((rfp->rf_flags & RCS_WRITE) && !(rfp->rf_flags & RCS_SYNCED))
349: rcs_write(rfp);
350:
1.1 jfb 351: while (!TAILQ_EMPTY(&(rfp->rf_delta))) {
352: rdp = TAILQ_FIRST(&(rfp->rf_delta));
353: TAILQ_REMOVE(&(rfp->rf_delta), rdp, rd_list);
354: rcs_freedelta(rdp);
1.71 moritz 355: }
356:
357: while (!TAILQ_EMPTY(&(rfp->rf_access))) {
358: rap = TAILQ_FIRST(&(rfp->rf_access));
359: TAILQ_REMOVE(&(rfp->rf_access), rap, ra_list);
1.110 joris 360: xfree(rap->ra_name);
361: xfree(rap);
1.1 jfb 362: }
363:
1.13 jfb 364: while (!TAILQ_EMPTY(&(rfp->rf_symbols))) {
365: rsp = TAILQ_FIRST(&(rfp->rf_symbols));
366: TAILQ_REMOVE(&(rfp->rf_symbols), rsp, rs_list);
367: rcsnum_free(rsp->rs_num);
1.110 joris 368: xfree(rsp->rs_name);
369: xfree(rsp);
1.13 jfb 370: }
371:
372: while (!TAILQ_EMPTY(&(rfp->rf_locks))) {
373: rlp = TAILQ_FIRST(&(rfp->rf_locks));
374: TAILQ_REMOVE(&(rfp->rf_locks), rlp, rl_list);
375: rcsnum_free(rlp->rl_num);
1.110 joris 376: xfree(rlp->rl_name);
377: xfree(rlp);
1.13 jfb 378: }
379:
1.1 jfb 380: if (rfp->rf_head != NULL)
381: rcsnum_free(rfp->rf_head);
1.11 joris 382: if (rfp->rf_branch != NULL)
383: rcsnum_free(rfp->rf_branch);
1.1 jfb 384:
385: if (rfp->rf_path != NULL)
1.110 joris 386: xfree(rfp->rf_path);
1.1 jfb 387: if (rfp->rf_comment != NULL)
1.110 joris 388: xfree(rfp->rf_comment);
1.1 jfb 389: if (rfp->rf_expand != NULL)
1.110 joris 390: xfree(rfp->rf_expand);
1.1 jfb 391: if (rfp->rf_desc != NULL)
1.110 joris 392: xfree(rfp->rf_desc);
1.118 joris 393: if (rfp->rf_pdata != NULL)
394: rcs_freepdata(rfp->rf_pdata);
1.110 joris 395: xfree(rfp);
1.1 jfb 396: }
397:
398: /*
399: * rcs_write()
400: *
401: * Write the contents of the RCS file handle <rfp> to disk in the file whose
402: * path is in <rf_path>.
403: * Returns 0 on success, or -1 on failure.
404: */
1.27 jfb 405: static int
1.1 jfb 406: rcs_write(RCSFILE *rfp)
407: {
408: FILE *fp;
1.72 niallo 409: char buf[1024], numbuf[64], fn[19] = "";
410: void *bp;
1.29 jfb 411: struct rcs_access *ap;
1.1 jfb 412: struct rcs_sym *symp;
1.46 jfb 413: struct rcs_branch *brp;
1.1 jfb 414: struct rcs_delta *rdp;
1.75 joris 415: struct rcs_lock *lkp;
1.72 niallo 416: ssize_t nread;
1.100 xsa 417: size_t len;
1.72 niallo 418: int fd, from_fd, to_fd;
1.75 joris 419:
1.72 niallo 420: from_fd = to_fd = fd = -1;
1.1 jfb 421:
1.137 joris 422: if (rfp->rf_flags & RCS_SYNCED)
423: return (0);
424:
1.117 niallo 425: /* Write operations need the whole file parsed */
426: rcs_parse_deltatexts(rfp, NULL);
1.1 jfb 427:
1.72 niallo 428: strlcpy(fn, "/tmp/rcs.XXXXXXXXXX", sizeof(fn));
1.113 xsa 429: if ((fd = mkstemp(fn)) == -1)
430: fatal("mkstemp: `%s': %s", fn, strerror(errno));
431:
432: if ((fp = fdopen(fd, "w+")) == NULL) {
433: fd = errno;
434: unlink(fn);
435: fatal("fdopen: %s", strerror(fd));
1.1 jfb 436: }
437:
1.28 jfb 438: if (rfp->rf_head != NULL)
439: rcsnum_tostr(rfp->rf_head, numbuf, sizeof(numbuf));
440: else
441: numbuf[0] = '\0';
442:
1.1 jfb 443: fprintf(fp, "head\t%s;\n", numbuf);
1.35 jfb 444:
445: if (rfp->rf_branch != NULL) {
446: rcsnum_tostr(rfp->rf_branch, numbuf, sizeof(numbuf));
447: fprintf(fp, "branch\t%s;\n", numbuf);
448: }
449:
1.29 jfb 450: fputs("access", fp);
451: TAILQ_FOREACH(ap, &(rfp->rf_access), ra_list) {
452: fprintf(fp, "\n\t%s", ap->ra_name);
453: }
454: fputs(";\n", fp);
1.1 jfb 455:
1.85 joris 456: fprintf(fp, "symbols");
1.1 jfb 457: TAILQ_FOREACH(symp, &(rfp->rf_symbols), rs_list) {
458: rcsnum_tostr(symp->rs_num, numbuf, sizeof(numbuf));
1.126 xsa 459: strlcpy(buf, symp->rs_name, sizeof(buf));
460: strlcat(buf, ":", sizeof(buf));
461: strlcat(buf, numbuf, sizeof(buf));
1.85 joris 462: fprintf(fp, "\n\t%s", buf);
1.1 jfb 463: }
464: fprintf(fp, ";\n");
465:
1.75 joris 466: fprintf(fp, "locks");
467: TAILQ_FOREACH(lkp, &(rfp->rf_locks), rl_list) {
468: rcsnum_tostr(lkp->rl_num, numbuf, sizeof(numbuf));
469: fprintf(fp, "\n\t%s:%s", lkp->rl_name, numbuf);
470: }
471:
472: fprintf(fp, ";");
1.1 jfb 473:
1.26 jfb 474: if (rfp->rf_flags & RCS_SLOCK)
1.1 jfb 475: fprintf(fp, " strict;");
476: fputc('\n', fp);
477:
1.129 xsa 478: fputs("comment\t@", fp);
1.42 jfb 479: if (rfp->rf_comment != NULL) {
1.58 xsa 480: rcs_strprint((const u_char *)rfp->rf_comment,
481: strlen(rfp->rf_comment), fp);
1.42 jfb 482: fputs("@;\n", fp);
1.129 xsa 483: } else
484: fputs("# @;\n", fp);
1.1 jfb 485:
1.42 jfb 486: if (rfp->rf_expand != NULL) {
487: fputs("expand @", fp);
1.58 xsa 488: rcs_strprint((const u_char *)rfp->rf_expand,
489: strlen(rfp->rf_expand), fp);
1.42 jfb 490: fputs("@;\n", fp);
491: }
1.1 jfb 492:
1.46 jfb 493: fputs("\n\n", fp);
1.1 jfb 494:
495: TAILQ_FOREACH(rdp, &(rfp->rf_delta), rd_list) {
496: fprintf(fp, "%s\n", rcsnum_tostr(rdp->rd_num, numbuf,
497: sizeof(numbuf)));
498: fprintf(fp, "date\t%d.%02d.%02d.%02d.%02d.%02d;",
1.44 jfb 499: rdp->rd_date.tm_year + 1900, rdp->rd_date.tm_mon + 1,
1.1 jfb 500: rdp->rd_date.tm_mday, rdp->rd_date.tm_hour,
501: rdp->rd_date.tm_min, rdp->rd_date.tm_sec);
502: fprintf(fp, "\tauthor %s;\tstate %s;\n",
503: rdp->rd_author, rdp->rd_state);
1.46 jfb 504: fputs("branches", fp);
505: TAILQ_FOREACH(brp, &(rdp->rd_branches), rb_list) {
506: fprintf(fp, " %s", rcsnum_tostr(brp->rb_num, numbuf,
507: sizeof(numbuf)));
508: }
509: fputs(";\n", fp);
1.1 jfb 510: fprintf(fp, "next\t%s;\n\n", rcsnum_tostr(rdp->rd_next,
511: numbuf, sizeof(numbuf)));
512: }
513:
1.42 jfb 514: fputs("\ndesc\n@", fp);
1.141 ! ray 515: if (rfp->rf_desc != NULL && (len = strlen(rfp->rf_desc)) > 0) {
1.100 xsa 516: rcs_strprint((const u_char *)rfp->rf_desc, len, fp);
517: if (rfp->rf_desc[len-1] != '\n')
518: fputc('\n', fp);
519: }
520: fputs("@\n", fp);
1.1 jfb 521:
522: /* deltatexts */
523: TAILQ_FOREACH(rdp, &(rfp->rf_delta), rd_list) {
1.100 xsa 524: fprintf(fp, "\n\n%s\n", rcsnum_tostr(rdp->rd_num, numbuf,
1.1 jfb 525: sizeof(numbuf)));
1.42 jfb 526: fputs("log\n@", fp);
1.100 xsa 527: if (rdp->rd_log != NULL) {
528: len = strlen(rdp->rd_log);
529: rcs_strprint((const u_char *)rdp->rd_log, len, fp);
530: if (rdp->rd_log[len-1] != '\n')
531: fputc('\n', fp);
532: }
1.42 jfb 533: fputs("@\ntext\n@", fp);
1.100 xsa 534: if (rdp->rd_text != NULL) {
535: rcs_strprint(rdp->rd_text, rdp->rd_tlen, fp);
1.103 joris 536:
537: if (rdp->rd_tlen != 0) {
538: if (rdp->rd_text[rdp->rd_tlen-1] != '\n')
539: fputc('\n', fp);
540: }
1.100 xsa 541: }
542: fputs("@\n", fp);
1.1 jfb 543: }
544: fclose(fp);
1.73 joris 545:
1.72 niallo 546: /*
547: * We try to use rename() to atomically put the new file in place.
548: * If that fails, we try a copy.
549: */
550: if (rename(fn, rfp->rf_path) == -1) {
551: if (errno == EXDEV) {
552: /* rename() not supported so we have to copy. */
553: if ((chmod(rfp->rf_path, S_IWUSR) == -1)
554: && !(rfp->rf_flags & RCS_CREATE)) {
1.113 xsa 555: fatal("chmod(%s, 0%o) failed",
556: rfp->rf_path, S_IWUSR);
1.72 niallo 557: }
1.73 joris 558:
1.72 niallo 559: if ((from_fd = open(fn, O_RDONLY)) == -1) {
560: cvs_log(LP_ERRNO, "failed to open `%s'",
561: rfp->rf_path);
562: return (-1);
563: }
1.73 joris 564:
1.80 reyk 565: if ((to_fd = open(rfp->rf_path,
566: O_WRONLY|O_TRUNC|O_CREAT)) == -1) {
1.73 joris 567: cvs_log(LP_ERRNO, "failed to open `%s'", fn);
1.72 niallo 568: close(from_fd);
569: return (-1);
570: }
1.73 joris 571:
1.110 joris 572: bp = xmalloc(MAXBSIZE);
1.72 niallo 573: while ((nread = read(from_fd, bp, MAXBSIZE)) > 0) {
574: if (write(to_fd, bp, nread) != nread)
575: goto err;
576: }
1.73 joris 577:
1.72 niallo 578: if (nread < 0) {
579: err: if (unlink(rfp->rf_path) == -1)
580: cvs_log(LP_ERRNO,
581: "failed to unlink `%s'",
582: rfp->rf_path);
583: close(from_fd);
584: close(to_fd);
1.110 joris 585: xfree(bp);
1.72 niallo 586: return (-1);
587: }
1.73 joris 588:
1.72 niallo 589: close(from_fd);
590: close(to_fd);
1.110 joris 591: xfree(bp);
1.73 joris 592:
1.72 niallo 593: if (unlink(fn) == -1) {
594: cvs_log(LP_ERRNO,
1.73 joris 595: "failed to unlink `%s'", fn);
1.72 niallo 596: return (-1);
597: }
598: } else {
599: cvs_log(LP_ERRNO,
600: "failed to access temp RCS output file");
601: return (-1);
602: }
603: }
1.73 joris 604:
1.72 niallo 605: if ((chmod(rfp->rf_path, S_IRUSR|S_IRGRP|S_IROTH) == -1)) {
606: cvs_log(LP_ERRNO, "failed to chmod `%s'",
607: rfp->rf_path);
608: return (-1);
609: }
1.73 joris 610:
1.26 jfb 611: rfp->rf_flags |= RCS_SYNCED;
1.1 jfb 612:
613: return (0);
614: }
615:
616: /*
1.43 jfb 617: * rcs_head_get()
618: *
619: * Retrieve the revision number of the head revision for the RCS file <file>.
620: */
1.60 xsa 621: const RCSNUM *
1.43 jfb 622: rcs_head_get(RCSFILE *file)
623: {
624: return (file->rf_head);
625: }
626:
627: /*
628: * rcs_head_set()
629: *
630: * Set the revision number of the head revision for the RCS file <file> to
631: * <rev>, which must reference a valid revision within the file.
632: */
633: int
1.117 niallo 634: rcs_head_set(RCSFILE *file, RCSNUM *rev)
1.43 jfb 635: {
636: struct rcs_delta *rd;
637:
638: if ((rd = rcs_findrev(file, rev)) == NULL)
639: return (-1);
640:
1.111 joris 641: if (file->rf_head == NULL)
642: file->rf_head = rcsnum_alloc();
1.43 jfb 643:
1.111 joris 644: rcsnum_cpy(rev, file->rf_head, 0);
1.70 moritz 645: file->rf_flags &= ~RCS_SYNCED;
1.43 jfb 646: return (0);
647: }
648:
649:
650: /*
1.35 jfb 651: * rcs_branch_get()
652: *
653: * Retrieve the default branch number for the RCS file <file>.
654: * Returns the number on success. If NULL is returned, then there is no
655: * default branch for this file.
656: */
1.60 xsa 657: const RCSNUM *
1.35 jfb 658: rcs_branch_get(RCSFILE *file)
659: {
660: return (file->rf_branch);
661: }
662:
663: /*
664: * rcs_branch_set()
665: *
666: * Set the default branch for the RCS file <file> to <bnum>.
667: * Returns 0 on success, -1 on failure.
668: */
669: int
670: rcs_branch_set(RCSFILE *file, const RCSNUM *bnum)
671: {
1.111 joris 672: if (file->rf_branch == NULL)
673: file->rf_branch = rcsnum_alloc();
1.35 jfb 674:
1.111 joris 675: rcsnum_cpy(bnum, file->rf_branch, 0);
1.70 moritz 676: file->rf_flags &= ~RCS_SYNCED;
1.35 jfb 677: return (0);
678: }
679:
680: /*
1.29 jfb 681: * rcs_access_add()
682: *
683: * Add the login name <login> to the access list for the RCS file <file>.
684: * Returns 0 on success, or -1 on failure.
685: */
686: int
687: rcs_access_add(RCSFILE *file, const char *login)
688: {
689: struct rcs_access *ap;
690:
691: /* first look for duplication */
692: TAILQ_FOREACH(ap, &(file->rf_access), ra_list) {
693: if (strcmp(ap->ra_name, login) == 0) {
1.32 jfb 694: rcs_errno = RCS_ERR_DUPENT;
1.29 jfb 695: return (-1);
696: }
697: }
698:
1.110 joris 699: ap = (struct rcs_access *)xmalloc(sizeof(*ap));
700: ap->ra_name = xstrdup(login);
1.29 jfb 701: TAILQ_INSERT_TAIL(&(file->rf_access), ap, ra_list);
702:
703: /* not synced anymore */
704: file->rf_flags &= ~RCS_SYNCED;
705: return (0);
706: }
707:
708: /*
709: * rcs_access_remove()
710: *
711: * Remove an entry with login name <login> from the access list of the RCS
712: * file <file>.
713: * Returns 0 on success, or -1 on failure.
714: */
715: int
716: rcs_access_remove(RCSFILE *file, const char *login)
717: {
718: struct rcs_access *ap;
719:
720: TAILQ_FOREACH(ap, &(file->rf_access), ra_list)
721: if (strcmp(ap->ra_name, login) == 0)
722: break;
723:
724: if (ap == NULL) {
1.32 jfb 725: rcs_errno = RCS_ERR_NOENT;
1.29 jfb 726: return (-1);
727: }
728:
729: TAILQ_REMOVE(&(file->rf_access), ap, ra_list);
1.110 joris 730: xfree(ap->ra_name);
731: xfree(ap);
1.29 jfb 732:
733: /* not synced anymore */
734: file->rf_flags &= ~RCS_SYNCED;
735: return (0);
736: }
737:
738: /*
1.26 jfb 739: * rcs_sym_add()
1.1 jfb 740: *
741: * Add a symbol to the list of symbols for the RCS file <rfp>. The new symbol
742: * is named <sym> and is bound to the RCS revision <snum>.
743: * Returns 0 on success, or -1 on failure.
744: */
745: int
1.26 jfb 746: rcs_sym_add(RCSFILE *rfp, const char *sym, RCSNUM *snum)
1.1 jfb 747: {
748: struct rcs_sym *symp;
749:
1.47 jfb 750: if (!rcs_sym_check(sym)) {
751: rcs_errno = RCS_ERR_BADSYM;
1.69 moritz 752: return (-1);
1.47 jfb 753: }
754:
1.1 jfb 755: /* first look for duplication */
756: TAILQ_FOREACH(symp, &(rfp->rf_symbols), rs_list) {
757: if (strcmp(symp->rs_name, sym) == 0) {
1.32 jfb 758: rcs_errno = RCS_ERR_DUPENT;
1.1 jfb 759: return (-1);
760: }
761: }
762:
1.110 joris 763: symp = (struct rcs_sym *)xmalloc(sizeof(*symp));
764: symp->rs_name = xstrdup(sym);
1.111 joris 765: symp->rs_num = rcsnum_alloc();
1.1 jfb 766: rcsnum_cpy(snum, symp->rs_num, 0);
767:
768: TAILQ_INSERT_HEAD(&(rfp->rf_symbols), symp, rs_list);
769:
770: /* not synced anymore */
1.26 jfb 771: rfp->rf_flags &= ~RCS_SYNCED;
1.1 jfb 772: return (0);
773: }
774:
775: /*
1.27 jfb 776: * rcs_sym_remove()
777: *
778: * Remove the symbol with name <sym> from the symbol list for the RCS file
779: * <file>. If no such symbol is found, the call fails and returns with an
780: * error.
781: * Returns 0 on success, or -1 on failure.
782: */
783: int
784: rcs_sym_remove(RCSFILE *file, const char *sym)
785: {
786: struct rcs_sym *symp;
787:
1.47 jfb 788: if (!rcs_sym_check(sym)) {
789: rcs_errno = RCS_ERR_BADSYM;
1.69 moritz 790: return (-1);
1.47 jfb 791: }
792:
1.27 jfb 793: TAILQ_FOREACH(symp, &(file->rf_symbols), rs_list)
794: if (strcmp(symp->rs_name, sym) == 0)
795: break;
796:
797: if (symp == NULL) {
1.32 jfb 798: rcs_errno = RCS_ERR_NOENT;
1.27 jfb 799: return (-1);
800: }
801:
802: TAILQ_REMOVE(&(file->rf_symbols), symp, rs_list);
1.110 joris 803: xfree(symp->rs_name);
1.27 jfb 804: rcsnum_free(symp->rs_num);
1.110 joris 805: xfree(symp);
1.27 jfb 806:
807: /* not synced anymore */
808: file->rf_flags &= ~RCS_SYNCED;
809: return (0);
810: }
811:
812: /*
813: * rcs_sym_getrev()
814: *
815: * Retrieve the RCS revision number associated with the symbol <sym> for the
816: * RCS file <file>. The returned value is a dynamically-allocated copy and
817: * should be freed by the caller once they are done with it.
818: * Returns the RCSNUM on success, or NULL on failure.
819: */
1.60 xsa 820: RCSNUM *
1.27 jfb 821: rcs_sym_getrev(RCSFILE *file, const char *sym)
822: {
823: RCSNUM *num;
824: struct rcs_sym *symp;
825:
1.47 jfb 826: if (!rcs_sym_check(sym)) {
827: rcs_errno = RCS_ERR_BADSYM;
828: return (NULL);
829: }
830:
1.27 jfb 831: num = NULL;
832: TAILQ_FOREACH(symp, &(file->rf_symbols), rs_list)
833: if (strcmp(symp->rs_name, sym) == 0)
834: break;
835:
1.111 joris 836: if (symp == NULL) {
1.36 jfb 837: rcs_errno = RCS_ERR_NOENT;
1.111 joris 838: } else {
839: num = rcsnum_alloc();
840: rcsnum_cpy(symp->rs_num, num, 0);
1.27 jfb 841: }
842:
843: return (num);
1.47 jfb 844: }
845:
846: /*
847: * rcs_sym_check()
848: *
849: * Check the RCS symbol name <sym> for any unsupported characters.
850: * Returns 1 if the tag is correct, 0 if it isn't valid.
851: */
852: int
853: rcs_sym_check(const char *sym)
854: {
855: int ret;
856: const char *cp;
857:
858: ret = 1;
859: cp = sym;
860: if (!isalpha(*cp++))
861: return (0);
862:
863: for (; *cp != '\0'; cp++)
864: if (!isgraph(*cp) || (strchr(rcs_sym_invch, *cp) != NULL)) {
865: ret = 0;
866: break;
867: }
868:
869: return (ret);
1.30 jfb 870: }
871:
872: /*
873: * rcs_lock_getmode()
874: *
875: * Retrieve the locking mode of the RCS file <file>.
876: */
877: int
878: rcs_lock_getmode(RCSFILE *file)
879: {
880: return (file->rf_flags & RCS_SLOCK) ? RCS_LOCK_STRICT : RCS_LOCK_LOOSE;
881: }
882:
883: /*
884: * rcs_lock_setmode()
885: *
886: * Set the locking mode of the RCS file <file> to <mode>, which must either
887: * be RCS_LOCK_LOOSE or RCS_LOCK_STRICT.
888: * Returns the previous mode on success, or -1 on failure.
889: */
890: int
891: rcs_lock_setmode(RCSFILE *file, int mode)
892: {
893: int pmode;
894: pmode = rcs_lock_getmode(file);
895:
896: if (mode == RCS_LOCK_STRICT)
897: file->rf_flags |= RCS_SLOCK;
898: else if (mode == RCS_LOCK_LOOSE)
899: file->rf_flags &= ~RCS_SLOCK;
900: else {
901: cvs_log(LP_ERRNO, "invalid lock mode %d", mode);
902: return (-1);
903: }
904:
1.70 moritz 905: file->rf_flags &= ~RCS_SYNCED;
1.30 jfb 906: return (pmode);
1.27 jfb 907: }
908:
909: /*
1.40 jfb 910: * rcs_lock_add()
911: *
912: * Add an RCS lock for the user <user> on revision <rev>.
913: * Returns 0 on success, or -1 on failure.
914: */
915: int
916: rcs_lock_add(RCSFILE *file, const char *user, RCSNUM *rev)
917: {
918: struct rcs_lock *lkp;
919:
920: /* first look for duplication */
921: TAILQ_FOREACH(lkp, &(file->rf_locks), rl_list) {
1.109 joris 922: if ((strcmp(lkp->rl_name, user) == 0) &&
923: (rcsnum_cmp(rev, lkp->rl_num, 0) == 0)) {
1.40 jfb 924: rcs_errno = RCS_ERR_DUPENT;
925: return (-1);
926: }
927: }
928:
1.110 joris 929: lkp = (struct rcs_lock *)xmalloc(sizeof(*lkp));
930: lkp->rl_name = xstrdup(user);
1.111 joris 931: lkp->rl_num = rcsnum_alloc();
1.68 moritz 932: rcsnum_cpy(rev, lkp->rl_num, 0);
1.40 jfb 933:
934: TAILQ_INSERT_TAIL(&(file->rf_locks), lkp, rl_list);
935:
936: /* not synced anymore */
937: file->rf_flags &= ~RCS_SYNCED;
938: return (0);
939:
940:
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: * Returns 0 on success, or -1 on failure.
992: */
993: int
994: rcs_desc_set(RCSFILE *file, const char *desc)
995: {
996: char *tmp;
997:
1.110 joris 998: tmp = xstrdup(desc);
1.27 jfb 999: if (file->rf_desc != NULL)
1.110 joris 1000: xfree(file->rf_desc);
1.27 jfb 1001: file->rf_desc = tmp;
1002: file->rf_flags &= ~RCS_SYNCED;
1003:
1004: return (0);
1.51 jfb 1005: }
1006:
1007: /*
1008: * rcs_comment_lookup()
1009: *
1010: * Lookup the assumed comment leader based on a file's suffix.
1011: * Returns a pointer to the string on success, or NULL on failure.
1012: */
1.57 xsa 1013: const char *
1.51 jfb 1014: rcs_comment_lookup(const char *filename)
1015: {
1016: int i;
1017: const char *sp;
1018:
1019: if ((sp = strrchr(filename, '.')) == NULL) {
1020: rcs_errno = RCS_ERR_NOENT;
1021: return (NULL);
1022: }
1023: sp++;
1024:
1025: for (i = 0; i < (int)NB_COMTYPES; i++)
1026: if (strcmp(rcs_comments[i].rc_suffix, sp) == 0)
1027: return (rcs_comments[i].rc_cstr);
1028: return (NULL);
1.27 jfb 1029: }
1030:
1.33 jfb 1031: /*
1032: * rcs_comment_get()
1033: *
1034: * Retrieve the comment leader for the RCS file <file>.
1035: */
1.57 xsa 1036: const char *
1.33 jfb 1037: rcs_comment_get(RCSFILE *file)
1038: {
1039: return (file->rf_comment);
1040: }
1041:
1042: /*
1043: * rcs_comment_set()
1044: *
1045: * Set the comment leader for the RCS file <file>.
1046: * Returns 0 on success, or -1 on failure.
1047: */
1048: int
1049: rcs_comment_set(RCSFILE *file, const char *comment)
1050: {
1051: char *tmp;
1052:
1.110 joris 1053: tmp = xstrdup(comment);
1.33 jfb 1054: if (file->rf_comment != NULL)
1.110 joris 1055: xfree(file->rf_comment);
1.33 jfb 1056: file->rf_comment = tmp;
1057: file->rf_flags &= ~RCS_SYNCED;
1058:
1059: return (0);
1060: }
1.40 jfb 1061:
1062: /*
1063: * rcs_tag_resolve()
1064: *
1065: * Retrieve the revision number corresponding to the tag <tag> for the RCS
1066: * file <file>.
1067: */
1.60 xsa 1068: RCSNUM *
1.40 jfb 1069: rcs_tag_resolve(RCSFILE *file, const char *tag)
1070: {
1071: RCSNUM *num;
1072:
1073: if ((num = rcsnum_parse(tag)) == NULL) {
1074: num = rcs_sym_getrev(file, tag);
1075: }
1076:
1077: return (num);
1078: }
1079:
1.94 joris 1080: int
1081: rcs_patch_lines(struct cvs_lines *dlines, struct cvs_lines *plines)
1.5 vincent 1082: {
1083: char op, *ep;
1.94 joris 1084: struct cvs_line *lp, *dlp, *ndlp;
1.5 vincent 1085: int i, lineno, nbln;
1.1 jfb 1086:
1.94 joris 1087: dlp = TAILQ_FIRST(&(dlines->l_lines));
1088: lp = TAILQ_FIRST(&(plines->l_lines));
1.1 jfb 1089:
1090: /* skip first bogus line */
1.94 joris 1091: for (lp = TAILQ_NEXT(lp, l_list); lp != NULL;
1092: lp = TAILQ_NEXT(lp, l_list)) {
1093: op = *(lp->l_line);
1094: lineno = (int)strtol((lp->l_line + 1), &ep, 10);
1095: if ((lineno > dlines->l_nblines) || (lineno < 0) ||
1.132 niallo 1096: (*ep != ' '))
1097: fatal("invalid line specification in RCS patch");
1.1 jfb 1098: ep++;
1099: nbln = (int)strtol(ep, &ep, 10);
1.132 niallo 1100: if ((nbln < 0) || (*ep != '\0'))
1101: fatal("invalid line number specification in RCS patch");
1.1 jfb 1102:
1103: /* find the appropriate line */
1104: for (;;) {
1105: if (dlp == NULL)
1106: break;
1.94 joris 1107: if (dlp->l_lineno == lineno)
1.1 jfb 1108: break;
1.94 joris 1109: if (dlp->l_lineno > lineno) {
1110: dlp = TAILQ_PREV(dlp, cvs_tqh, l_list);
1111: } else if (dlp->l_lineno < lineno) {
1.133 niallo 1112: if (((ndlp = TAILQ_NEXT(dlp, l_list)) == NULL) ||
1.138 deraadt 1113: (ndlp->l_lineno > lineno))
1.1 jfb 1114: break;
1115: dlp = ndlp;
1116: }
1117: }
1.132 niallo 1118: if (dlp == NULL)
1119: fatal("can't find referenced line in RCS patch");
1.1 jfb 1120:
1121: if (op == 'd') {
1122: for (i = 0; (i < nbln) && (dlp != NULL); i++) {
1.94 joris 1123: ndlp = TAILQ_NEXT(dlp, l_list);
1124: TAILQ_REMOVE(&(dlines->l_lines), dlp, l_list);
1.1 jfb 1125: dlp = ndlp;
1.133 niallo 1126: /* last line is gone - reset dlp */
1127: if (dlp == NULL) {
1128: ndlp = TAILQ_LAST(&(dlines->l_lines),
1129: cvs_tqh);
1130: dlp = ndlp;
1131: }
1.1 jfb 1132: }
1.14 deraadt 1133: } else if (op == 'a') {
1.1 jfb 1134: for (i = 0; i < nbln; i++) {
1135: ndlp = lp;
1.94 joris 1136: lp = TAILQ_NEXT(lp, l_list);
1.132 niallo 1137: if (lp == NULL)
1138: fatal("truncated RCS patch");
1.94 joris 1139: TAILQ_REMOVE(&(plines->l_lines), lp, l_list);
1140: TAILQ_INSERT_AFTER(&(dlines->l_lines), dlp,
1141: lp, l_list);
1.1 jfb 1142: dlp = lp;
1143:
1144: /* we don't want lookup to block on those */
1.94 joris 1145: lp->l_lineno = lineno;
1.1 jfb 1146:
1147: lp = ndlp;
1148: }
1.132 niallo 1149: } else
1150: fatal("unknown RCS patch operation `%c'", op);
1.1 jfb 1151:
1152: /* last line of the patch, done */
1.94 joris 1153: if (lp->l_lineno == plines->l_nblines)
1.1 jfb 1154: break;
1155: }
1156:
1157: /* once we're done patching, rebuild the line numbers */
1.2 vincent 1158: lineno = 0;
1.94 joris 1159: TAILQ_FOREACH(lp, &(dlines->l_lines), l_list)
1160: lp->l_lineno = lineno++;
1161: dlines->l_nblines = lineno - 1;
1.1 jfb 1162:
1.5 vincent 1163: return (0);
1.1 jfb 1164: }
1165:
1166: /*
1167: * rcs_getrev()
1168: *
1169: * Get the whole contents of revision <rev> from the RCSFILE <rfp>. The
1.4 vincent 1170: * returned buffer is dynamically allocated and should be released using
1171: * cvs_buf_free() once the caller is done using it.
1.1 jfb 1172: */
1173: BUF*
1.66 joris 1174: rcs_getrev(RCSFILE *rfp, RCSNUM *frev)
1.1 jfb 1175: {
1.131 niallo 1176: int res;
1.1 jfb 1177: size_t len;
1178: void *bp;
1.66 joris 1179: RCSNUM *crev, *rev;
1.125 niallo 1180: BUF *rbuf;
1.1 jfb 1181: struct rcs_delta *rdp = NULL;
1182:
1.28 jfb 1183: if (rfp->rf_head == NULL)
1184: return (NULL);
1.66 joris 1185:
1186: if (frev == RCS_HEAD_REV)
1187: rev = rfp->rf_head;
1188: else
1189: rev = frev;
1.28 jfb 1190:
1.1 jfb 1191: res = rcsnum_cmp(rfp->rf_head, rev, 0);
1192: if (res == 1) {
1.32 jfb 1193: rcs_errno = RCS_ERR_NOENT;
1.1 jfb 1194: return (NULL);
1.26 jfb 1195: }
1196:
1.117 niallo 1197: /* No matter what, we're going to need up the the description parsed */
1198: rcs_parse_desc(rfp, NULL);
1199:
1.26 jfb 1200: rdp = rcs_findrev(rfp, rfp->rf_head);
1201: if (rdp == NULL) {
1202: cvs_log(LP_ERR, "failed to get RCS HEAD revision");
1203: return (NULL);
1204: }
1.117 niallo 1205: if (rdp->rd_tlen == 0)
1206: rcs_parse_deltatexts(rfp, rfp->rf_head);
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:
1217: if (res != 0) {
1218: /* Apply patches backwards to get the right version.
1219: * This will need some rework to support sub branches.
1220: */
1221: do {
1.87 joris 1222: crev = rdp->rd_next;
1.26 jfb 1223: rdp = rcs_findrev(rfp, crev);
1224: if (rdp == NULL) {
1225: cvs_buf_free(rbuf);
1226: return (NULL);
1227: }
1.114 xsa 1228: cvs_buf_putc(rbuf, '\0');
1.117 niallo 1229: /* check if we have parsed this rev's deltatext */
1230: if (rdp->rd_tlen == 0)
1231: rcs_parse_deltatexts(rfp, rdp->rd_num);
1.114 xsa 1232:
1.26 jfb 1233: bp = cvs_buf_release(rbuf);
1.94 joris 1234: rbuf = cvs_patchfile((char *)bp, (char *)rdp->rd_text,
1235: rcs_patch_lines);
1.110 joris 1236: xfree(bp);
1.26 jfb 1237: if (rbuf == NULL)
1238: break;
1239: } while (rcsnum_cmp(crev, rev, 0) != 0);
1.1 jfb 1240: }
1.125 niallo 1241: if (cvs_buf_getc(rbuf, cvs_buf_len(rbuf)-1) != '\n'
1242: && rbuf != NULL)
1243: cvs_buf_putc(rbuf, '\n');
1244: return (rbuf);
1.1 jfb 1245: }
1246:
1247: /*
1.52 jfb 1248: * rcs_rev_add()
1249: *
1.53 jfb 1250: * Add a revision to the RCS file <rf>. The new revision's number can be
1251: * specified in <rev> (which can also be RCS_HEAD_REV, in which case the
1252: * new revision will have a number equal to the previous head revision plus
1253: * one). The <msg> argument specifies the log message for that revision, and
1254: * <date> specifies the revision's date (a value of -1 is
1255: * equivalent to using the current time).
1.96 xsa 1256: * If <username> is NULL, set the author for this revision to the current user.
1.90 niallo 1257: * Otherwise, set it to <username>.
1.52 jfb 1258: * Returns 0 on success, or -1 on failure.
1259: */
1260: int
1.90 niallo 1261: rcs_rev_add(RCSFILE *rf, RCSNUM *rev, const char *msg, time_t date,
1262: const char *username)
1.52 jfb 1263: {
1264: time_t now;
1265: struct passwd *pw;
1.83 joris 1266: struct rcs_delta *ordp, *rdp;
1267: RCSNUM *old;
1268:
1.111 joris 1269: old = rcsnum_alloc();
1.52 jfb 1270: if (rev == RCS_HEAD_REV) {
1.101 niallo 1271: if (rf->rf_flags & RCS_CREATE) {
1272: if ((rev = rcsnum_parse(RCS_HEAD_INIT)) == NULL)
1273: return (-1);
1.111 joris 1274: rf->rf_head = rcsnum_alloc();
1.101 niallo 1275: rcsnum_cpy(rev, rf->rf_head, 0);
1276: } else {
1277: rcsnum_cpy(rf->rf_head, old, 0);
1278: rev = rcsnum_inc(rf->rf_head);
1279: }
1.83 joris 1280: } else {
1281: if ((rdp = rcs_findrev(rf, rev)) != NULL) {
1282: rcs_errno = RCS_ERR_DUPENT;
1.92 joris 1283: rcsnum_free(old);
1.83 joris 1284: return (-1);
1285: }
1286:
1.93 joris 1287: if (!(rf->rf_flags & RCS_CREATE)) {
1288: ordp = NULL;
1289: rcsnum_cpy(rev, old, 0);
1290: while (ordp == NULL) {
1291: old = rcsnum_dec(old);
1292: ordp = rcs_findrev(rf, old);
1293: }
1.83 joris 1294: }
1.52 jfb 1295: }
1296:
1.112 xsa 1297: if ((pw = getpwuid(getuid())) == NULL)
1298: fatal("getpwuid failed");
1.52 jfb 1299:
1.110 joris 1300: rdp = (struct rcs_delta *)xmalloc(sizeof(*rdp));
1.52 jfb 1301: memset(rdp, 0, sizeof(*rdp));
1302:
1303: TAILQ_INIT(&(rdp->rd_branches));
1304: TAILQ_INIT(&(rdp->rd_snodes));
1305:
1.111 joris 1306: rdp->rd_num = rcsnum_alloc();
1.52 jfb 1307: rcsnum_cpy(rev, rdp->rd_num, 0);
1.83 joris 1308:
1.111 joris 1309: rdp->rd_next = rcsnum_alloc();
1.92 joris 1310:
1.101 niallo 1311: if (!(rf->rf_flags & RCS_CREATE))
1312: rcsnum_cpy(old, rdp->rd_next, 0);
1313:
1.83 joris 1314: rcsnum_free(old);
1.52 jfb 1315:
1.90 niallo 1316: if (username == NULL)
1317: username = pw->pw_name;
1318:
1.110 joris 1319: rdp->rd_author = xstrdup(username);
1320: rdp->rd_state = xstrdup(RCS_STATE_EXP);
1321: rdp->rd_log = xstrdup(msg);
1.52 jfb 1322:
1.53 jfb 1323: if (date != (time_t)(-1))
1324: now = date;
1325: else
1326: time(&now);
1.52 jfb 1327: gmtime_r(&now, &(rdp->rd_date));
1328:
1329: TAILQ_INSERT_HEAD(&(rf->rf_delta), rdp, rd_list);
1330: rf->rf_ndelta++;
1.81 niallo 1331:
1.64 niallo 1332: /* not synced anymore */
1333: rf->rf_flags &= ~RCS_SYNCED;
1.52 jfb 1334:
1335: return (0);
1336: }
1337:
1338: /*
1339: * rcs_rev_remove()
1340: *
1341: * Remove the revision whose number is <rev> from the RCS file <rf>.
1342: */
1343: int
1344: rcs_rev_remove(RCSFILE *rf, RCSNUM *rev)
1345: {
1346: int ret;
1347: struct rcs_delta *rdp;
1348:
1349: ret = 0;
1350: if (rev == RCS_HEAD_REV)
1351: rev = rf->rf_head;
1352:
1353: /* do we actually have that revision? */
1354: if ((rdp = rcs_findrev(rf, rev)) == NULL) {
1355: rcs_errno = RCS_ERR_NOENT;
1356: ret = -1;
1357: } else {
1358: /* XXX assumes it's not a sub node */
1359: TAILQ_REMOVE(&(rf->rf_delta), rdp, rd_list);
1360: rf->rf_ndelta--;
1361: rf->rf_flags &= ~RCS_SYNCED;
1362: }
1363:
1364: return (ret);
1365:
1366: }
1367:
1368: /*
1.1 jfb 1369: * rcs_findrev()
1370: *
1371: * Find a specific revision's delta entry in the tree of the RCS file <rfp>.
1372: * The revision number is given in <rev>.
1373: * Returns a pointer to the delta on success, or NULL on failure.
1374: */
1.102 xsa 1375: struct rcs_delta *
1.117 niallo 1376: rcs_findrev(RCSFILE *rfp, RCSNUM *rev)
1.1 jfb 1377: {
1378: u_int cmplen;
1.117 niallo 1379: struct rcs_delta *rdp, *enddelta;
1.1 jfb 1380: struct rcs_dlist *hp;
1.6 vincent 1381: int found;
1.26 jfb 1382:
1.117 niallo 1383: /*
1384: * We need to do more parsing if the last revision in the linked list
1385: * is greater than the requested revision.
1386: */
1387: enddelta = TAILQ_LAST(&(rfp->rf_delta), rcs_dlist);
1388: if ((enddelta == NULL)
1389: || (rcsnum_cmp(enddelta->rd_num, rev, -1) == -1)) {
1390: rcs_parse_deltas(rfp, rev);
1391: }
1392:
1.1 jfb 1393: cmplen = 2;
1394: hp = &(rfp->rf_delta);
1395:
1.6 vincent 1396: do {
1397: found = 0;
1398: TAILQ_FOREACH(rdp, hp, rd_list) {
1399: if (rcsnum_cmp(rdp->rd_num, rev, cmplen) == 0) {
1400: if (cmplen == rev->rn_len)
1401: return (rdp);
1.1 jfb 1402:
1.6 vincent 1403: hp = &(rdp->rd_snodes);
1404: cmplen += 2;
1405: found = 1;
1406: break;
1407: }
1.1 jfb 1408: }
1.6 vincent 1409: } while (found && cmplen < rev->rn_len);
1.1 jfb 1410:
1411: return (NULL);
1.20 jfb 1412: }
1413:
1414: /*
1.26 jfb 1415: * rcs_kwexp_set()
1416: *
1417: * Set the keyword expansion mode to use on the RCS file <file> to <mode>.
1418: * Returns 0 on success, or -1 on failure.
1419: */
1420: int
1421: rcs_kwexp_set(RCSFILE *file, int mode)
1422: {
1423: int i;
1424: char *tmp, buf[8] = "";
1425:
1426: if (RCS_KWEXP_INVAL(mode))
1427: return (-1);
1428:
1429: i = 0;
1430: if (mode == RCS_KWEXP_NONE)
1431: buf[0] = 'b';
1432: else if (mode == RCS_KWEXP_OLD)
1433: buf[0] = 'o';
1434: else {
1435: if (mode & RCS_KWEXP_NAME)
1436: buf[i++] = 'k';
1437: if (mode & RCS_KWEXP_VAL)
1438: buf[i++] = 'v';
1439: if (mode & RCS_KWEXP_LKR)
1440: buf[i++] = 'l';
1441: }
1442:
1.110 joris 1443: tmp = xstrdup(buf);
1.27 jfb 1444: if (file->rf_expand != NULL)
1.99 niallo 1445: free(file->rf_expand);
1.26 jfb 1446: file->rf_expand = tmp;
1.64 niallo 1447: /* not synced anymore */
1448: file->rf_flags &= ~RCS_SYNCED;
1.26 jfb 1449:
1450: return (0);
1451: }
1452:
1453: /*
1454: * rcs_kwexp_get()
1455: *
1456: * Retrieve the keyword expansion mode to be used for the RCS file <file>.
1457: */
1458: int
1459: rcs_kwexp_get(RCSFILE *file)
1460: {
1461: return rcs_kflag_get(file->rf_expand);
1462: }
1463:
1464: /*
1.20 jfb 1465: * rcs_kflag_get()
1466: *
1467: * Get the keyword expansion mode from a set of character flags given in
1468: * <flags> and return the appropriate flag mask. In case of an error, the
1469: * returned mask will have the RCS_KWEXP_ERR bit set to 1.
1470: */
1471: int
1472: rcs_kflag_get(const char *flags)
1473: {
1474: int fl;
1475: size_t len;
1476: const char *fp;
1477:
1478: fl = 0;
1479: len = strlen(flags);
1480:
1481: for (fp = flags; *fp != '\0'; fp++) {
1482: if (*fp == 'k')
1483: fl |= RCS_KWEXP_NAME;
1484: else if (*fp == 'v')
1485: fl |= RCS_KWEXP_VAL;
1486: else if (*fp == 'l')
1487: fl |= RCS_KWEXP_LKR;
1488: else if (*fp == 'o') {
1489: if (len != 1)
1490: fl |= RCS_KWEXP_ERR;
1491: fl |= RCS_KWEXP_OLD;
1492: } else if (*fp == 'b') {
1493: if (len != 1)
1494: fl |= RCS_KWEXP_ERR;
1495: } else /* unknown letter */
1496: fl |= RCS_KWEXP_ERR;
1497: }
1498:
1499: return (fl);
1.32 jfb 1500: }
1501:
1502: /*
1503: * rcs_errstr()
1504: *
1505: * Get the error string matching the RCS error code <code>.
1506: */
1.57 xsa 1507: const char *
1.32 jfb 1508: rcs_errstr(int code)
1509: {
1.50 jfb 1510: const char *esp;
1511:
1512: if ((code < 0) || ((code >= (int)RCS_NERR) && (code != RCS_ERR_ERRNO)))
1513: esp = NULL;
1514: else if (code == RCS_ERR_ERRNO)
1515: esp = strerror(errno);
1516: else
1517: esp = rcs_errstrs[code];
1518: return (esp);
1.1 jfb 1519: }
1520:
1.21 jfb 1521: void
1522: rcs_kflag_usage(void)
1523: {
1524: fprintf(stderr, "Valid expansion modes include:\n"
1.22 jfb 1525: "\t-kkv\tGenerate keywords using the default form.\n"
1526: "\t-kkvl\tLike -kkv, except locker's name inserted.\n"
1527: "\t-kk\tGenerate only keyword names in keyword strings.\n"
1528: "\t-kv\tGenerate only keyword values in keyword strings.\n"
1529: "\t-ko\tGenerate old keyword string "
1.21 jfb 1530: "(no changes from checked in file).\n"
1.22 jfb 1531: "\t-kb\tGenerate binary file unmodified (merges not allowed).\n");
1.21 jfb 1532: }
1.1 jfb 1533:
1.117 niallo 1534: /* rcs_parse_deltas()
1535: *
1536: * Parse deltas. If <rev> is not NULL, parse only as far as that
1537: * revision. If <rev> is NULL, parse all deltas.
1538: *
1539: * Returns 0 on success, -1 on failure.
1540: */
1541: static int
1542: rcs_parse_deltas(RCSFILE *rfp, RCSNUM *rev)
1543: {
1544: int ret;
1545: struct rcs_delta *enddelta;
1546: if ((rfp->rf_flags & PARSED_DELTAS)
1547: || (rfp->rf_flags & RCS_CREATE))
1548: return (0);
1549: for (;;) {
1550: ret = rcs_parse_delta(rfp);
1551: if (rev != NULL) {
1552: enddelta = TAILQ_LAST(&(rfp->rf_delta), rcs_dlist);
1553: if (rcsnum_cmp(enddelta->rd_num, rev, -1) == 0)
1554: break;
1555: }
1556: if (ret == 0) {
1557: rfp->rf_flags |= PARSED_DELTAS;
1558: break;
1559: }
1560: else if (ret == -1)
1561: fatal("error parsing deltas");
1562: }
1563: return (0);
1564: }
1565:
1566: /* rcs_parse_deltatexts()
1567: *
1568: * Parse deltatexts. If <rev> is not NULL, parse only as far as that
1569: * revision. If <rev> is NULL, parse everything.
1570: *
1571: * Returns 0 on success, -1 on failure.
1572: */
1573: static int
1574: rcs_parse_deltatexts(RCSFILE *rfp, RCSNUM *rev)
1575: {
1576: int ret;
1577: struct rcs_delta *rdp;
1578: if ((rfp->rf_flags & PARSED_DELTATEXTS)
1579: || (rfp->rf_flags & RCS_CREATE))
1580: return (0);
1581: if (!(rfp->rf_flags & PARSED_DESC))
1582: rcs_parse_desc(rfp, rev);
1583: for (;;) {
1584: if (rev != NULL) {
1585: rdp = rcs_findrev(rfp, rev);
1586: if (rdp->rd_text != NULL)
1587: break;
1588: else
1589: ret = rcs_parse_deltatext(rfp);
1590: } else
1591: ret = rcs_parse_deltatext(rfp);
1592: if (ret == 0) {
1593: rfp->rf_flags |= PARSED_DELTATEXTS;
1594: break;
1595: }
1596: else if (ret == -1) {
1597: fatal("problem parsing deltatexts");
1598: }
1599: }
1600:
1601: return (0);
1602: }
1603:
1604: /* rcs_parse_desc()
1605: *
1606: * Parse RCS description.
1607: *
1608: * Returns 0 on success, -1 on failure.
1609: */
1610: static int
1611: rcs_parse_desc(RCSFILE *rfp, RCSNUM *rev)
1612: {
1613: int ret = 0;
1614: if ((rfp->rf_flags & PARSED_DESC)
1615: || (rfp->rf_flags & RCS_CREATE))
1616: return (0);
1.122 reyk 1617: if (!(rfp->rf_flags & PARSED_DELTAS))
1.117 niallo 1618: rcs_parse_deltas(rfp, rev);
1619: /* do parsing */
1620: ret = rcs_gettok(rfp);
1621: if (ret != RCS_TOK_DESC) {
1622: rcs_errno = RCS_ERR_PARSE;
1623: cvs_log(LP_ERR, "token `%s' found where RCS desc expected",
1624: RCS_TOKSTR(rfp));
1625: fatal("problem parsing RCS desc");
1626: return (-1);
1627: }
1628:
1629: ret = rcs_gettok(rfp);
1630: if (ret != RCS_TOK_STRING) {
1631: rcs_errno = RCS_ERR_PARSE;
1632: cvs_log(LP_ERR, "token `%s' found where RCS desc expected",
1633: RCS_TOKSTR(rfp));
1634: fatal("problem parsing RCS desc");
1635: }
1636:
1637: rfp->rf_desc = xstrdup(RCS_TOKSTR(rfp));
1638: rfp->rf_flags |= PARSED_DESC;
1639: return (0);
1640: }
1641:
1.1 jfb 1642: /*
1.117 niallo 1643: * rcs_parse_init()
1.1 jfb 1644: *
1.117 niallo 1645: * Initial parsing of file <path>, which are in the RCS format.
1646: * Just does admin section
1.1 jfb 1647: * Returns 0 on success, or -1 on failure.
1648: */
1.26 jfb 1649: static int
1.117 niallo 1650: rcs_parse_init(RCSFILE *rfp)
1.1 jfb 1651: {
1.117 niallo 1652: int ret, count;
1.1 jfb 1653: struct rcs_pdata *pdp;
1654:
1.117 niallo 1655: count = 0;
1.26 jfb 1656: if (rfp->rf_flags & RCS_PARSED)
1.1 jfb 1657: return (0);
1658:
1.110 joris 1659: pdp = (struct rcs_pdata *)xmalloc(sizeof(*pdp));
1.1 jfb 1660: memset(pdp, 0, sizeof(*pdp));
1661:
1.18 jfb 1662: pdp->rp_lines = 0;
1.1 jfb 1663: pdp->rp_pttype = RCS_TOK_ERR;
1664:
1.113 xsa 1665: if ((pdp->rp_file = fopen(rfp->rf_path, "r")) == NULL)
1666: fatal("fopen: `%s': %s", rfp->rf_path, strerror(errno));
1.1 jfb 1667:
1.110 joris 1668: pdp->rp_buf = (char *)xmalloc((size_t)RCS_BUFSIZE);
1.1 jfb 1669: pdp->rp_blen = RCS_BUFSIZE;
1.18 jfb 1670: pdp->rp_bufend = pdp->rp_buf + pdp->rp_blen - 1;
1.1 jfb 1671:
1672: /* ditch the strict lock */
1.26 jfb 1673: rfp->rf_flags &= ~RCS_SLOCK;
1.1 jfb 1674: rfp->rf_pdata = pdp;
1675:
1.31 jfb 1676: if ((ret = rcs_parse_admin(rfp)) < 0) {
1.1 jfb 1677: rcs_freepdata(pdp);
1.117 niallo 1678: fatal("could not parse admin data");
1.1 jfb 1679: }
1680:
1.117 niallo 1681: if (rfp->rf_flags & RCS_PARSE_FULLY)
1682: rcs_parse_deltatexts(rfp, NULL);
1.1 jfb 1683:
1.117 niallo 1684: rfp->rf_flags |= RCS_SYNCED;
1.1 jfb 1685: return (0);
1686: }
1687:
1688: /*
1689: * rcs_parse_admin()
1690: *
1691: * Parse the administrative portion of an RCS file.
1.31 jfb 1692: * Returns the type of the first token found after the admin section on
1693: * success, or -1 on failure.
1.1 jfb 1694: */
1695: static int
1696: rcs_parse_admin(RCSFILE *rfp)
1697: {
1698: u_int i;
1699: int tok, ntok, hmask;
1700: struct rcs_key *rk;
1701:
1702: /* hmask is a mask of the headers already encountered */
1703: hmask = 0;
1704: for (;;) {
1705: tok = rcs_gettok(rfp);
1706: if (tok == RCS_TOK_ERR) {
1.50 jfb 1707: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1708: cvs_log(LP_ERR, "parse error in RCS admin section");
1709: return (-1);
1.31 jfb 1710: } else if ((tok == RCS_TOK_NUM) || (tok == RCS_TOK_DESC)) {
1711: /*
1712: * Assume this is the start of the first delta or
1713: * that we are dealing with an empty RCS file and
1714: * we just found the description.
1715: */
1.1 jfb 1716: rcs_pushtok(rfp, RCS_TOKSTR(rfp), tok);
1.31 jfb 1717: return (tok);
1.1 jfb 1718: }
1719:
1720: rk = NULL;
1.18 jfb 1721: for (i = 0; i < RCS_NKEYS; i++)
1.1 jfb 1722: if (rcs_keys[i].rk_id == tok)
1723: rk = &(rcs_keys[i]);
1724:
1725: if (hmask & (1 << tok)) {
1.50 jfb 1726: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1727: cvs_log(LP_ERR, "duplicate RCS key");
1728: return (-1);
1729: }
1730: hmask |= (1 << tok);
1731:
1732: switch (tok) {
1733: case RCS_TOK_HEAD:
1734: case RCS_TOK_BRANCH:
1735: case RCS_TOK_COMMENT:
1736: case RCS_TOK_EXPAND:
1737: ntok = rcs_gettok(rfp);
1738: if (ntok == RCS_TOK_SCOLON)
1739: break;
1740: if (ntok != rk->rk_val) {
1.50 jfb 1741: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1742: cvs_log(LP_ERR,
1743: "invalid value type for RCS key `%s'",
1744: rk->rk_str);
1745: }
1746:
1747: if (tok == RCS_TOK_HEAD) {
1.111 joris 1748: if (rfp->rf_head == NULL)
1.28 jfb 1749: rfp->rf_head = rcsnum_alloc();
1.1 jfb 1750: rcsnum_aton(RCS_TOKSTR(rfp), NULL,
1751: rfp->rf_head);
1.14 deraadt 1752: } else if (tok == RCS_TOK_BRANCH) {
1.111 joris 1753: if (rfp->rf_branch == NULL)
1.35 jfb 1754: rfp->rf_branch = rcsnum_alloc();
1755: if (rcsnum_aton(RCS_TOKSTR(rfp), NULL,
1756: rfp->rf_branch) < 0)
1757: return (-1);
1.14 deraadt 1758: } else if (tok == RCS_TOK_COMMENT) {
1.110 joris 1759: rfp->rf_comment = xstrdup(RCS_TOKSTR(rfp));
1.14 deraadt 1760: } else if (tok == RCS_TOK_EXPAND) {
1.110 joris 1761: rfp->rf_expand = xstrdup(RCS_TOKSTR(rfp));
1.1 jfb 1762: }
1763:
1764: /* now get the expected semi-colon */
1765: ntok = rcs_gettok(rfp);
1766: if (ntok != RCS_TOK_SCOLON) {
1.50 jfb 1767: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1768: cvs_log(LP_ERR,
1769: "missing semi-colon after RCS `%s' key",
1.26 jfb 1770: rk->rk_str);
1.1 jfb 1771: return (-1);
1772: }
1773: break;
1774: case RCS_TOK_ACCESS:
1.29 jfb 1775: if (rcs_parse_access(rfp) < 0)
1776: return (-1);
1.1 jfb 1777: break;
1778: case RCS_TOK_SYMBOLS:
1.29 jfb 1779: if (rcs_parse_symbols(rfp) < 0)
1780: return (-1);
1.1 jfb 1781: break;
1782: case RCS_TOK_LOCKS:
1.29 jfb 1783: if (rcs_parse_locks(rfp) < 0)
1784: return (-1);
1.1 jfb 1785: break;
1786: default:
1.50 jfb 1787: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1788: cvs_log(LP_ERR,
1789: "unexpected token `%s' in RCS admin section",
1790: RCS_TOKSTR(rfp));
1791: return (-1);
1792: }
1793: }
1794:
1795: return (0);
1796: }
1797:
1798: /*
1799: * rcs_parse_delta()
1800: *
1801: * Parse an RCS delta section and allocate the structure to store that delta's
1802: * information in the <rfp> delta list.
1803: * Returns 1 if the section was parsed OK, 0 if it is the last delta, and
1804: * -1 on error.
1805: */
1806: static int
1807: rcs_parse_delta(RCSFILE *rfp)
1808: {
1809: int ret, tok, ntok, hmask;
1810: u_int i;
1811: char *tokstr;
1.3 vincent 1812: RCSNUM *datenum;
1.1 jfb 1813: struct rcs_delta *rdp;
1814: struct rcs_key *rk;
1815:
1.110 joris 1816: rdp = (struct rcs_delta *)xmalloc(sizeof(*rdp));
1.1 jfb 1817: memset(rdp, 0, sizeof(*rdp));
1818:
1819: rdp->rd_num = rcsnum_alloc();
1820: rdp->rd_next = rcsnum_alloc();
1821:
1822: TAILQ_INIT(&(rdp->rd_branches));
1.52 jfb 1823: TAILQ_INIT(&(rdp->rd_snodes));
1.1 jfb 1824:
1825: tok = rcs_gettok(rfp);
1826: if (tok != RCS_TOK_NUM) {
1.52 jfb 1827: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1828: cvs_log(LP_ERR, "unexpected token `%s' at start of delta",
1829: RCS_TOKSTR(rfp));
1830: rcs_freedelta(rdp);
1831: return (-1);
1832: }
1833: rcsnum_aton(RCS_TOKSTR(rfp), NULL, rdp->rd_num);
1834:
1835: hmask = 0;
1836: ret = 0;
1837: tokstr = NULL;
1838:
1839: for (;;) {
1840: tok = rcs_gettok(rfp);
1841: if (tok == RCS_TOK_ERR) {
1.50 jfb 1842: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1843: cvs_log(LP_ERR, "parse error in RCS delta section");
1844: rcs_freedelta(rdp);
1845: return (-1);
1.14 deraadt 1846: } else if (tok == RCS_TOK_NUM || tok == RCS_TOK_DESC) {
1.15 tedu 1847: rcs_pushtok(rfp, RCS_TOKSTR(rfp), tok);
1.1 jfb 1848: ret = (tok == RCS_TOK_NUM ? 1 : 0);
1849: break;
1850: }
1851:
1852: rk = NULL;
1.18 jfb 1853: for (i = 0; i < RCS_NKEYS; i++)
1.1 jfb 1854: if (rcs_keys[i].rk_id == tok)
1855: rk = &(rcs_keys[i]);
1856:
1857: if (hmask & (1 << tok)) {
1.50 jfb 1858: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1859: cvs_log(LP_ERR, "duplicate RCS key");
1860: rcs_freedelta(rdp);
1861: return (-1);
1862: }
1863: hmask |= (1 << tok);
1864:
1865: switch (tok) {
1866: case RCS_TOK_DATE:
1867: case RCS_TOK_AUTHOR:
1868: case RCS_TOK_STATE:
1869: case RCS_TOK_NEXT:
1870: ntok = rcs_gettok(rfp);
1871: if (ntok == RCS_TOK_SCOLON) {
1872: if (rk->rk_flags & RCS_VOPT)
1873: break;
1874: else {
1.50 jfb 1875: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1876: cvs_log(LP_ERR, "missing mandatory "
1877: "value to RCS key `%s'",
1878: rk->rk_str);
1879: rcs_freedelta(rdp);
1880: return (-1);
1881: }
1882: }
1883:
1884: if (ntok != rk->rk_val) {
1.50 jfb 1885: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1886: cvs_log(LP_ERR,
1887: "invalid value type for RCS key `%s'",
1888: rk->rk_str);
1889: rcs_freedelta(rdp);
1890: return (-1);
1891: }
1892:
1893: if (tokstr != NULL)
1.110 joris 1894: xfree(tokstr);
1895: tokstr = xstrdup(RCS_TOKSTR(rfp));
1.1 jfb 1896: /* now get the expected semi-colon */
1897: ntok = rcs_gettok(rfp);
1898: if (ntok != RCS_TOK_SCOLON) {
1.50 jfb 1899: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1900: cvs_log(LP_ERR,
1901: "missing semi-colon after RCS `%s' key",
1.26 jfb 1902: rk->rk_str);
1.110 joris 1903: xfree(tokstr);
1.1 jfb 1904: rcs_freedelta(rdp);
1905: return (-1);
1906: }
1907:
1908: if (tok == RCS_TOK_DATE) {
1.25 jfb 1909: if ((datenum = rcsnum_parse(tokstr)) == NULL) {
1.110 joris 1910: xfree(tokstr);
1.11 joris 1911: rcs_freedelta(rdp);
1912: return (-1);
1913: }
1.3 vincent 1914: if (datenum->rn_len != 6) {
1.50 jfb 1915: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1916: cvs_log(LP_ERR,
1917: "RCS date specification has %s "
1918: "fields",
1.3 vincent 1919: (datenum->rn_len > 6) ? "too many" :
1.1 jfb 1920: "missing");
1.110 joris 1921: xfree(tokstr);
1.1 jfb 1922: rcs_freedelta(rdp);
1.37 tedu 1923: rcsnum_free(datenum);
1924: return (-1);
1.1 jfb 1925: }
1.3 vincent 1926: rdp->rd_date.tm_year = datenum->rn_id[0];
1.19 jfb 1927: if (rdp->rd_date.tm_year >= 1900)
1928: rdp->rd_date.tm_year -= 1900;
1.3 vincent 1929: rdp->rd_date.tm_mon = datenum->rn_id[1] - 1;
1930: rdp->rd_date.tm_mday = datenum->rn_id[2];
1931: rdp->rd_date.tm_hour = datenum->rn_id[3];
1932: rdp->rd_date.tm_min = datenum->rn_id[4];
1933: rdp->rd_date.tm_sec = datenum->rn_id[5];
1934: rcsnum_free(datenum);
1.14 deraadt 1935: } else if (tok == RCS_TOK_AUTHOR) {
1.1 jfb 1936: rdp->rd_author = tokstr;
1937: tokstr = NULL;
1.14 deraadt 1938: } else if (tok == RCS_TOK_STATE) {
1.1 jfb 1939: rdp->rd_state = tokstr;
1940: tokstr = NULL;
1.14 deraadt 1941: } else if (tok == RCS_TOK_NEXT) {
1.1 jfb 1942: rcsnum_aton(tokstr, NULL, rdp->rd_next);
1943: }
1944: break;
1945: case RCS_TOK_BRANCHES:
1.46 jfb 1946: if (rcs_parse_branches(rfp, rdp) < 0) {
1947: rcs_freedelta(rdp);
1948: return (-1);
1949: }
1.1 jfb 1950: break;
1951: default:
1.50 jfb 1952: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1953: cvs_log(LP_ERR,
1954: "unexpected token `%s' in RCS delta",
1955: RCS_TOKSTR(rfp));
1956: rcs_freedelta(rdp);
1957: return (-1);
1958: }
1959: }
1960:
1.13 jfb 1961: if (tokstr != NULL)
1.110 joris 1962: xfree(tokstr);
1.13 jfb 1963:
1.1 jfb 1964: TAILQ_INSERT_TAIL(&(rfp->rf_delta), rdp, rd_list);
1.26 jfb 1965: rfp->rf_ndelta++;
1.1 jfb 1966:
1967: return (ret);
1968: }
1969:
1970: /*
1971: * rcs_parse_deltatext()
1972: *
1973: * Parse an RCS delta text section and fill in the log and text field of the
1974: * appropriate delta section.
1975: * Returns 1 if the section was parsed OK, 0 if it is the last delta, and
1976: * -1 on error.
1977: */
1978: static int
1979: rcs_parse_deltatext(RCSFILE *rfp)
1980: {
1981: int tok;
1982: RCSNUM *tnum;
1983: struct rcs_delta *rdp;
1984:
1985: tok = rcs_gettok(rfp);
1986: if (tok == RCS_TOK_EOF)
1987: return (0);
1988:
1989: if (tok != RCS_TOK_NUM) {
1.50 jfb 1990: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1991: cvs_log(LP_ERR,
1992: "unexpected token `%s' at start of RCS delta text",
1993: RCS_TOKSTR(rfp));
1994: return (-1);
1995: }
1.13 jfb 1996:
1997: tnum = rcsnum_alloc();
1.1 jfb 1998: rcsnum_aton(RCS_TOKSTR(rfp), NULL, tnum);
1999:
2000: TAILQ_FOREACH(rdp, &(rfp->rf_delta), rd_list) {
2001: if (rcsnum_cmp(tnum, rdp->rd_num, 0) == 0)
2002: break;
2003: }
1.13 jfb 2004: rcsnum_free(tnum);
2005:
1.1 jfb 2006: if (rdp == NULL) {
2007: cvs_log(LP_ERR, "RCS delta text `%s' has no matching delta",
2008: RCS_TOKSTR(rfp));
2009: return (-1);
2010: }
2011:
2012: tok = rcs_gettok(rfp);
2013: if (tok != RCS_TOK_LOG) {
1.50 jfb 2014: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2015: cvs_log(LP_ERR, "unexpected token `%s' where RCS log expected",
2016: RCS_TOKSTR(rfp));
2017: return (-1);
2018: }
2019:
2020: tok = rcs_gettok(rfp);
2021: if (tok != RCS_TOK_STRING) {
1.50 jfb 2022: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2023: cvs_log(LP_ERR, "unexpected token `%s' where RCS log expected",
2024: RCS_TOKSTR(rfp));
2025: return (-1);
2026: }
1.110 joris 2027: rdp->rd_log = xstrdup(RCS_TOKSTR(rfp));
1.1 jfb 2028: tok = rcs_gettok(rfp);
2029: if (tok != RCS_TOK_TEXT) {
1.50 jfb 2030: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2031: cvs_log(LP_ERR, "unexpected token `%s' where RCS text expected",
2032: RCS_TOKSTR(rfp));
2033: return (-1);
2034: }
2035:
2036: tok = rcs_gettok(rfp);
2037: if (tok != RCS_TOK_STRING) {
1.50 jfb 2038: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2039: cvs_log(LP_ERR, "unexpected token `%s' where RCS text expected",
2040: RCS_TOKSTR(rfp));
2041: return (-1);
2042: }
2043:
1.110 joris 2044: rdp->rd_text = (u_char *)xmalloc(RCS_TOKLEN(rfp) + 1);
1.74 joris 2045: strlcpy(rdp->rd_text, RCS_TOKSTR(rfp), (RCS_TOKLEN(rfp) + 1));
1.42 jfb 2046: rdp->rd_tlen = RCS_TOKLEN(rfp);
1.1 jfb 2047:
2048: return (1);
2049: }
2050:
2051: /*
2052: * rcs_parse_access()
2053: *
2054: * Parse the access list given as value to the `access' keyword.
2055: * Returns 0 on success, or -1 on failure.
2056: */
2057: static int
2058: rcs_parse_access(RCSFILE *rfp)
2059: {
2060: int type;
2061:
2062: while ((type = rcs_gettok(rfp)) != RCS_TOK_SCOLON) {
2063: if (type != RCS_TOK_ID) {
1.50 jfb 2064: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2065: cvs_log(LP_ERR, "unexpected token `%s' in access list",
2066: RCS_TOKSTR(rfp));
2067: return (-1);
2068: }
1.29 jfb 2069:
2070: if (rcs_access_add(rfp, RCS_TOKSTR(rfp)) < 0)
2071: return (-1);
1.1 jfb 2072: }
2073:
2074: return (0);
2075: }
2076:
2077: /*
2078: * rcs_parse_symbols()
2079: *
2080: * Parse the symbol list given as value to the `symbols' keyword.
2081: * Returns 0 on success, or -1 on failure.
2082: */
2083: static int
2084: rcs_parse_symbols(RCSFILE *rfp)
2085: {
2086: int type;
2087: struct rcs_sym *symp;
2088:
2089: for (;;) {
2090: type = rcs_gettok(rfp);
2091: if (type == RCS_TOK_SCOLON)
2092: break;
2093:
1.41 jfb 2094: if (type != RCS_TOK_ID) {
1.50 jfb 2095: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2096: cvs_log(LP_ERR, "unexpected token `%s' in symbol list",
2097: RCS_TOKSTR(rfp));
2098: return (-1);
2099: }
2100:
1.110 joris 2101: symp = (struct rcs_sym *)xmalloc(sizeof(*symp));
2102: symp->rs_name = xstrdup(RCS_TOKSTR(rfp));
1.1 jfb 2103: symp->rs_num = rcsnum_alloc();
2104:
2105: type = rcs_gettok(rfp);
2106: if (type != RCS_TOK_COLON) {
1.50 jfb 2107: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2108: cvs_log(LP_ERR, "unexpected token `%s' in symbol list",
2109: RCS_TOKSTR(rfp));
1.11 joris 2110: rcsnum_free(symp->rs_num);
1.110 joris 2111: xfree(symp->rs_name);
2112: xfree(symp);
1.1 jfb 2113: return (-1);
2114: }
2115:
2116: type = rcs_gettok(rfp);
2117: if (type != RCS_TOK_NUM) {
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));
1.11 joris 2121: rcsnum_free(symp->rs_num);
1.110 joris 2122: xfree(symp->rs_name);
2123: xfree(symp);
1.1 jfb 2124: return (-1);
2125: }
2126:
2127: if (rcsnum_aton(RCS_TOKSTR(rfp), NULL, symp->rs_num) < 0) {
2128: cvs_log(LP_ERR, "failed to parse RCS NUM `%s'",
2129: RCS_TOKSTR(rfp));
1.11 joris 2130: rcsnum_free(symp->rs_num);
1.110 joris 2131: xfree(symp->rs_name);
2132: xfree(symp);
1.1 jfb 2133: return (-1);
2134: }
2135:
1.43 jfb 2136: TAILQ_INSERT_TAIL(&(rfp->rf_symbols), symp, rs_list);
1.1 jfb 2137: }
2138:
2139: return (0);
2140: }
2141:
2142: /*
2143: * rcs_parse_locks()
2144: *
2145: * Parse the lock list given as value to the `locks' keyword.
2146: * Returns 0 on success, or -1 on failure.
2147: */
2148: static int
2149: rcs_parse_locks(RCSFILE *rfp)
2150: {
2151: int type;
2152: struct rcs_lock *lkp;
2153:
2154: for (;;) {
2155: type = rcs_gettok(rfp);
2156: if (type == RCS_TOK_SCOLON)
2157: break;
2158:
2159: if (type != RCS_TOK_ID) {
1.50 jfb 2160: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2161: cvs_log(LP_ERR, "unexpected token `%s' in lock list",
2162: RCS_TOKSTR(rfp));
2163: return (-1);
2164: }
2165:
1.110 joris 2166: lkp = (struct rcs_lock *)xmalloc(sizeof(*lkp));
2167: lkp->rl_name = xstrdup(RCS_TOKSTR(rfp));
1.1 jfb 2168: lkp->rl_num = rcsnum_alloc();
2169:
2170: type = rcs_gettok(rfp);
2171: if (type != RCS_TOK_COLON) {
1.50 jfb 2172: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2173: cvs_log(LP_ERR, "unexpected token `%s' in symbol list",
2174: RCS_TOKSTR(rfp));
1.37 tedu 2175: rcsnum_free(lkp->rl_num);
1.110 joris 2176: xfree(lkp->rl_name);
2177: xfree(lkp);
1.1 jfb 2178: return (-1);
2179: }
2180:
2181: type = rcs_gettok(rfp);
2182: if (type != RCS_TOK_NUM) {
1.50 jfb 2183: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2184: cvs_log(LP_ERR, "unexpected token `%s' in symbol list",
2185: RCS_TOKSTR(rfp));
1.37 tedu 2186: rcsnum_free(lkp->rl_num);
1.110 joris 2187: xfree(lkp->rl_name);
2188: xfree(lkp);
1.1 jfb 2189: return (-1);
2190: }
2191:
2192: if (rcsnum_aton(RCS_TOKSTR(rfp), NULL, lkp->rl_num) < 0) {
2193: cvs_log(LP_ERR, "failed to parse RCS NUM `%s'",
2194: RCS_TOKSTR(rfp));
1.37 tedu 2195: rcsnum_free(lkp->rl_num);
1.110 joris 2196: xfree(lkp->rl_name);
2197: xfree(lkp);
1.1 jfb 2198: return (-1);
2199: }
2200:
2201: TAILQ_INSERT_HEAD(&(rfp->rf_locks), lkp, rl_list);
2202: }
2203:
2204: /* check if we have a `strict' */
2205: type = rcs_gettok(rfp);
2206: if (type != RCS_TOK_STRICT) {
2207: rcs_pushtok(rfp, RCS_TOKSTR(rfp), type);
1.14 deraadt 2208: } else {
1.26 jfb 2209: rfp->rf_flags |= RCS_SLOCK;
1.1 jfb 2210:
2211: type = rcs_gettok(rfp);
2212: if (type != RCS_TOK_SCOLON) {
1.50 jfb 2213: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2214: cvs_log(LP_ERR,
2215: "missing semi-colon after `strict' keyword");
2216: return (-1);
2217: }
2218: }
2219:
2220: return (0);
2221: }
2222:
2223: /*
2224: * rcs_parse_branches()
2225: *
2226: * Parse the list of branches following a `branches' keyword in a delta.
2227: * Returns 0 on success, or -1 on failure.
2228: */
2229: static int
2230: rcs_parse_branches(RCSFILE *rfp, struct rcs_delta *rdp)
2231: {
2232: int type;
2233: struct rcs_branch *brp;
2234:
2235: for (;;) {
2236: type = rcs_gettok(rfp);
2237: if (type == RCS_TOK_SCOLON)
2238: break;
2239:
2240: if (type != RCS_TOK_NUM) {
1.50 jfb 2241: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2242: cvs_log(LP_ERR,
2243: "unexpected token `%s' in list of branches",
2244: RCS_TOKSTR(rfp));
2245: return (-1);
2246: }
2247:
1.110 joris 2248: brp = (struct rcs_branch *)xmalloc(sizeof(*brp));
1.46 jfb 2249: brp->rb_num = rcsnum_parse(RCS_TOKSTR(rfp));
1.11 joris 2250: if (brp->rb_num == NULL) {
1.110 joris 2251: xfree(brp);
1.11 joris 2252: return (-1);
2253: }
1.1 jfb 2254:
2255: TAILQ_INSERT_TAIL(&(rdp->rd_branches), brp, rb_list);
2256: }
2257:
2258: return (0);
2259: }
2260:
2261: /*
2262: * rcs_freedelta()
2263: *
2264: * Free the contents of a delta structure.
2265: */
1.18 jfb 2266: static void
1.1 jfb 2267: rcs_freedelta(struct rcs_delta *rdp)
2268: {
1.12 jfb 2269: struct rcs_branch *rb;
1.1 jfb 2270: struct rcs_delta *crdp;
2271:
1.12 jfb 2272: if (rdp->rd_num != NULL)
2273: rcsnum_free(rdp->rd_num);
2274: if (rdp->rd_next != NULL)
2275: rcsnum_free(rdp->rd_next);
2276:
1.1 jfb 2277: if (rdp->rd_author != NULL)
1.110 joris 2278: xfree(rdp->rd_author);
1.109 joris 2279: if (rdp->rd_locker != NULL)
1.110 joris 2280: xfree(rdp->rd_locker);
1.1 jfb 2281: if (rdp->rd_state != NULL)
1.110 joris 2282: xfree(rdp->rd_state);
1.1 jfb 2283: if (rdp->rd_log != NULL)
1.110 joris 2284: xfree(rdp->rd_log);
1.1 jfb 2285: if (rdp->rd_text != NULL)
1.110 joris 2286: xfree(rdp->rd_text);
1.12 jfb 2287:
2288: while ((rb = TAILQ_FIRST(&(rdp->rd_branches))) != NULL) {
2289: TAILQ_REMOVE(&(rdp->rd_branches), rb, rb_list);
2290: rcsnum_free(rb->rb_num);
1.110 joris 2291: xfree(rb);
1.12 jfb 2292: }
1.1 jfb 2293:
2294: while ((crdp = TAILQ_FIRST(&(rdp->rd_snodes))) != NULL) {
2295: TAILQ_REMOVE(&(rdp->rd_snodes), crdp, rd_list);
2296: rcs_freedelta(crdp);
2297: }
2298:
1.110 joris 2299: xfree(rdp);
1.1 jfb 2300: }
2301:
2302: /*
2303: * rcs_freepdata()
2304: *
2305: * Free the contents of the parser data structure.
2306: */
2307: static void
2308: rcs_freepdata(struct rcs_pdata *pd)
2309: {
2310: if (pd->rp_file != NULL)
2311: (void)fclose(pd->rp_file);
2312: if (pd->rp_buf != NULL)
1.110 joris 2313: xfree(pd->rp_buf);
2314: xfree(pd);
1.1 jfb 2315: }
2316:
2317: /*
2318: * rcs_gettok()
2319: *
2320: * Get the next RCS token from the string <str>.
2321: */
2322: static int
2323: rcs_gettok(RCSFILE *rfp)
2324: {
2325: u_int i;
2326: int ch, last, type;
1.18 jfb 2327: size_t len;
2328: char *bp;
1.1 jfb 2329: struct rcs_pdata *pdp = (struct rcs_pdata *)rfp->rf_pdata;
2330:
2331: type = RCS_TOK_ERR;
2332: bp = pdp->rp_buf;
1.42 jfb 2333: pdp->rp_tlen = 0;
1.1 jfb 2334: *bp = '\0';
2335:
2336: if (pdp->rp_pttype != RCS_TOK_ERR) {
2337: type = pdp->rp_pttype;
2338: strlcpy(pdp->rp_buf, pdp->rp_ptok, pdp->rp_blen);
2339: pdp->rp_pttype = RCS_TOK_ERR;
2340: return (type);
2341: }
2342:
2343: /* skip leading whitespace */
2344: /* XXX we must skip backspace too for compatibility, should we? */
2345: do {
2346: ch = getc(pdp->rp_file);
2347: if (ch == '\n')
1.18 jfb 2348: pdp->rp_lines++;
1.1 jfb 2349: } while (isspace(ch));
2350:
2351: if (ch == EOF) {
2352: type = RCS_TOK_EOF;
1.14 deraadt 2353: } else if (ch == ';') {
1.1 jfb 2354: type = RCS_TOK_SCOLON;
1.14 deraadt 2355: } else if (ch == ':') {
1.1 jfb 2356: type = RCS_TOK_COLON;
1.14 deraadt 2357: } else if (isalpha(ch)) {
1.31 jfb 2358: type = RCS_TOK_ID;
1.1 jfb 2359: *(bp++) = ch;
1.18 jfb 2360: for (;;) {
1.1 jfb 2361: ch = getc(pdp->rp_file);
1.11 joris 2362: if (!isalnum(ch) && ch != '_' && ch != '-') {
1.1 jfb 2363: ungetc(ch, pdp->rp_file);
2364: break;
2365: }
2366: *(bp++) = ch;
1.42 jfb 2367: pdp->rp_tlen++;
1.18 jfb 2368: if (bp == pdp->rp_bufend - 1) {
2369: len = bp - pdp->rp_buf;
2370: if (rcs_growbuf(rfp) < 0) {
2371: type = RCS_TOK_ERR;
2372: break;
2373: }
2374: bp = pdp->rp_buf + len;
2375: }
1.1 jfb 2376: }
2377: *bp = '\0';
2378:
1.18 jfb 2379: if (type != RCS_TOK_ERR) {
2380: for (i = 0; i < RCS_NKEYS; i++) {
2381: if (strcmp(rcs_keys[i].rk_str,
2382: pdp->rp_buf) == 0) {
2383: type = rcs_keys[i].rk_id;
2384: break;
2385: }
1.1 jfb 2386: }
2387: }
1.14 deraadt 2388: } else if (ch == '@') {
1.1 jfb 2389: /* we have a string */
1.18 jfb 2390: type = RCS_TOK_STRING;
1.1 jfb 2391: for (;;) {
2392: ch = getc(pdp->rp_file);
2393: if (ch == '@') {
2394: ch = getc(pdp->rp_file);
2395: if (ch != '@') {
2396: ungetc(ch, pdp->rp_file);
2397: break;
2398: }
1.14 deraadt 2399: } else if (ch == '\n')
1.18 jfb 2400: pdp->rp_lines++;
1.1 jfb 2401:
2402: *(bp++) = ch;
1.42 jfb 2403: pdp->rp_tlen++;
1.18 jfb 2404: if (bp == pdp->rp_bufend - 1) {
2405: len = bp - pdp->rp_buf;
2406: if (rcs_growbuf(rfp) < 0) {
2407: type = RCS_TOK_ERR;
2408: break;
2409: }
2410: bp = pdp->rp_buf + len;
2411: }
1.1 jfb 2412: }
2413:
2414: *bp = '\0';
1.14 deraadt 2415: } else if (isdigit(ch)) {
1.1 jfb 2416: *(bp++) = ch;
2417: last = ch;
2418: type = RCS_TOK_NUM;
2419:
2420: for (;;) {
2421: ch = getc(pdp->rp_file);
1.18 jfb 2422: if (bp == pdp->rp_bufend)
1.1 jfb 2423: break;
2424: if (!isdigit(ch) && ch != '.') {
2425: ungetc(ch, pdp->rp_file);
2426: break;
2427: }
2428:
2429: if (last == '.' && ch == '.') {
2430: type = RCS_TOK_ERR;
2431: break;
2432: }
2433: last = ch;
2434: *(bp++) = ch;
1.42 jfb 2435: pdp->rp_tlen++;
1.1 jfb 2436: }
1.18 jfb 2437: *bp = '\0';
1.1 jfb 2438: }
2439:
2440: return (type);
2441: }
2442:
2443: /*
2444: * rcs_pushtok()
2445: *
2446: * Push a token back in the parser's token buffer.
2447: */
2448: static int
2449: rcs_pushtok(RCSFILE *rfp, const char *tok, int type)
2450: {
2451: struct rcs_pdata *pdp = (struct rcs_pdata *)rfp->rf_pdata;
2452:
2453: if (pdp->rp_pttype != RCS_TOK_ERR)
2454: return (-1);
2455:
2456: pdp->rp_pttype = type;
2457: strlcpy(pdp->rp_ptok, tok, sizeof(pdp->rp_ptok));
2458: return (0);
2459: }
2460:
1.18 jfb 2461:
2462: /*
2463: * rcs_growbuf()
2464: *
2465: * Attempt to grow the internal parse buffer for the RCS file <rf> by
2466: * RCS_BUFEXTSIZE.
2467: * In case of failure, the original buffer is left unmodified.
2468: * Returns 0 on success, or -1 on failure.
2469: */
2470: static int
2471: rcs_growbuf(RCSFILE *rf)
2472: {
2473: void *tmp;
2474: struct rcs_pdata *pdp = (struct rcs_pdata *)rf->rf_pdata;
2475:
1.119 niallo 2476: tmp = xrealloc(pdp->rp_buf, pdp->rp_blen + RCS_BUFEXTSIZE);
1.18 jfb 2477: if (tmp == NULL) {
1.50 jfb 2478: rcs_errno = RCS_ERR_ERRNO;
1.18 jfb 2479: cvs_log(LP_ERRNO, "failed to grow RCS parse buffer");
2480: return (-1);
2481: }
2482:
2483: pdp->rp_buf = (char *)tmp;
2484: pdp->rp_blen += RCS_BUFEXTSIZE;
2485: pdp->rp_bufend = pdp->rp_buf + pdp->rp_blen - 1;
1.42 jfb 2486:
2487: return (0);
2488: }
2489:
2490: /*
2491: * rcs_strprint()
2492: *
2493: * Output an RCS string <str> of size <slen> to the stream <stream>. Any
2494: * '@' characters are escaped. Otherwise, the string can contain arbitrary
2495: * binary data.
2496: */
2497: static int
2498: rcs_strprint(const u_char *str, size_t slen, FILE *stream)
2499: {
2500: const u_char *ap, *ep, *sp;
2501: size_t ret;
1.52 jfb 2502:
2503: if (slen == 0)
2504: return (0);
1.42 jfb 2505:
2506: ep = str + slen - 1;
2507:
2508: for (sp = str; sp <= ep;) {
2509: ap = memchr(sp, '@', ep - sp);
2510: if (ap == NULL)
2511: ap = ep;
2512: ret = fwrite(sp, sizeof(u_char), ap - sp + 1, stream);
2513:
2514: if (*ap == '@')
2515: putc('@', stream);
2516: sp = ap + 1;
1.63 joris 2517: }
2518:
2519: return (0);
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: {
1.125 niallo 2533: int kwtype, sizdiff;
2534: u_int i, j, found, start_offset, c_offset;
1.140 xsa 2535: char *c, *kwstr, *start, *end, *tbuf;
1.125 niallo 2536: char expbuf[256], buf[256];
1.140 xsa 2537: struct tm *tb;
1.134 joris 2538: char *fmt;
1.63 joris 2539:
1.65 niallo 2540: kwtype = 0;
2541: kwstr = NULL;
1.63 joris 2542: i = 0;
2543:
2544: /*
1.134 joris 2545: * -z support for RCS
2546: */
2547: tb = &rdp->rd_date;
1.140 xsa 2548: if (timezone_flag != NULL)
2549: tb = rcs_set_tz(timezone_flag, rdp);
1.134 joris 2550:
2551: /*
1.63 joris 2552: * Keyword formats:
2553: * $Keyword$
2554: * $Keyword: value$
2555: */
1.125 niallo 2556: for (c = data; *c != '\0' && i < len; *c++) {
1.63 joris 2557: if (*c == '$') {
2558: /* remember start of this possible keyword */
2559: start = c;
1.125 niallo 2560: start_offset = start - data;
1.63 joris 2561:
2562: /* first following character has to be alphanumeric */
2563: *c++;
2564: if (!isalpha(*c)) {
2565: c = start;
2566: continue;
2567: }
2568:
2569: /* look for any matching keywords */
2570: found = 0;
2571: for (j = 0; j < RCS_NKWORDS; j++) {
2572: if (!strncmp(c, rcs_expkw[j].kw_str,
2573: strlen(rcs_expkw[j].kw_str))) {
2574: found = 1;
2575: kwstr = rcs_expkw[j].kw_str;
2576: kwtype = rcs_expkw[j].kw_type;
2577: break;
2578: }
2579: }
2580:
2581: /* unknown keyword, continue looking */
2582: if (found == 0) {
2583: c = start;
2584: continue;
2585: }
2586:
2587: /* next character has to be ':' or '$' */
2588: c += strlen(kwstr);
2589: if (*c != ':' && *c != '$') {
2590: c = start;
2591: continue;
2592: }
2593:
2594: /*
2595: * if the next character was ':' we need to look for
2596: * an '$' before the end of the line to be sure it is
2597: * in fact a keyword.
2598: */
2599: if (*c == ':') {
2600: while (*c++) {
2601: if (*c == '$' || *c == '\n')
2602: break;
2603: }
2604:
2605: if (*c != '$') {
2606: c = start;
2607: continue;
2608: }
2609: }
1.125 niallo 2610: c_offset = c - data;
2611: end = c + 1;
1.63 joris 2612:
2613: /* start constructing the expansion */
2614: expbuf[0] = '\0';
2615:
2616: if (mode & RCS_KWEXP_NAME) {
2617: strlcat(expbuf, "$", sizeof(expbuf));
2618: strlcat(expbuf, kwstr, sizeof(expbuf));
2619: if (mode & RCS_KWEXP_VAL)
2620: strlcat(expbuf, ": ", sizeof(expbuf));
2621: }
2622:
2623: /*
1.80 reyk 2624: * order matters because of RCS_KW_ID and
2625: * RCS_KW_HEADER here
1.63 joris 2626: */
2627: if (mode & RCS_KWEXP_VAL) {
2628: if (kwtype & RCS_KW_RCSFILE) {
2629: if (!(kwtype & RCS_KW_FULLPATH))
1.80 reyk 2630: strlcat(expbuf,
2631: basename(rcsfile),
1.63 joris 2632: sizeof(expbuf));
2633: else
2634: strlcat(expbuf, rcsfile,
2635: sizeof(expbuf));
2636: strlcat(expbuf, " ", sizeof(expbuf));
2637: }
2638:
2639: if (kwtype & RCS_KW_REVISION) {
1.80 reyk 2640: rcsnum_tostr(rdp->rd_num, buf,
2641: sizeof(buf));
1.63 joris 2642: strlcat(buf, " ", sizeof(buf));
2643: strlcat(expbuf, buf, sizeof(expbuf));
2644: }
2645:
2646: if (kwtype & RCS_KW_DATE) {
1.134 joris 2647: if (timezone_flag != NULL)
2648: fmt = "%Y/%m/%d %H:%M:%S%z ";
2649: else
2650: fmt = "%Y/%m/%d %H:%M:%S ";
2651:
2652: strftime(buf, sizeof(buf), fmt, tb);
1.63 joris 2653: strlcat(expbuf, buf, sizeof(expbuf));
2654: }
2655:
2656: if (kwtype & RCS_KW_AUTHOR) {
2657: strlcat(expbuf, rdp->rd_author,
2658: sizeof(expbuf));
2659: strlcat(expbuf, " ", sizeof(expbuf));
2660: }
2661:
2662: if (kwtype & RCS_KW_STATE) {
2663: strlcat(expbuf, rdp->rd_state,
2664: sizeof(expbuf));
2665: strlcat(expbuf, " ", sizeof(expbuf));
2666: }
2667:
2668: /* order does not matter anymore below */
2669: if (kwtype & RCS_KW_LOG)
2670: strlcat(expbuf, " ", sizeof(expbuf));
2671:
2672: if (kwtype & RCS_KW_SOURCE) {
1.80 reyk 2673: strlcat(expbuf, rcsfile,
2674: sizeof(expbuf));
1.63 joris 2675: strlcat(expbuf, " ", sizeof(expbuf));
2676: }
2677:
2678: if (kwtype & RCS_KW_NAME)
2679: strlcat(expbuf, " ", sizeof(expbuf));
2680: }
2681:
2682: /* end the expansion */
2683: if (mode & RCS_KWEXP_NAME)
2684: strlcat(expbuf, "$", sizeof(expbuf));
1.138 deraadt 2685:
1.125 niallo 2686: sizdiff = strlen(expbuf) - (end - start);
2687: tbuf = xmalloc(strlen(end) + 1);
2688: strlcpy(tbuf, end, strlen(end) + 1);
2689: /* only realloc if we have to */
2690: if (sizdiff > 0) {
2691: len += sizdiff;
2692: data = xrealloc(data, len);
2693: /*
2694: * ensure string pointers are not invalidated
2695: * after realloc()
2696: */
2697: start = data + start_offset;
2698: c = data + c_offset;
2699: }
2700: strlcpy(start, expbuf, len);
2701: strlcat(data, tbuf, len);
2702: xfree(tbuf);
1.63 joris 2703: i += strlen(expbuf);
2704: }
1.42 jfb 2705: }
1.81 niallo 2706:
1.125 niallo 2707: return (data);
1.81 niallo 2708: }
2709:
2710: /*
2711: * rcs_deltatext_set()
2712: *
2713: * Set deltatext for <rev> in RCS file <rfp> to <dtext>
1.96 xsa 2714: * Returns -1 on error, 0 on success.
1.81 niallo 2715: */
2716: int
2717: rcs_deltatext_set(RCSFILE *rfp, RCSNUM *rev, const char *dtext)
2718: {
2719: size_t len;
2720: struct rcs_delta *rdp;
1.117 niallo 2721:
2722: /* Write operations require full parsing */
2723: rcs_parse_deltatexts(rfp, NULL);
1.81 niallo 2724:
2725: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
2726: return (-1);
2727:
2728: if (rdp->rd_text != NULL)
1.110 joris 2729: xfree(rdp->rd_text);
1.81 niallo 2730:
2731: len = strlen(dtext);
1.103 joris 2732: if (len != 0) {
1.110 joris 2733: rdp->rd_text = (u_char *)xmalloc(len);
1.103 joris 2734: rdp->rd_tlen = len - 1;
2735: strlcpy(rdp->rd_text, dtext, len);
2736: } else {
2737: rdp->rd_text = NULL;
2738: rdp->rd_tlen = 0;
2739: }
1.18 jfb 2740:
1.86 joris 2741: return (0);
2742: }
2743:
2744: /*
2745: * rcs_rev_setlog()
2746: *
2747: * Sets the log message of revision <rev> to <logtext>
2748: */
2749: int
2750: rcs_rev_setlog(RCSFILE *rfp, RCSNUM *rev, const char *logtext)
2751: {
2752: struct rcs_delta *rdp;
2753: char buf[16];
2754:
2755: rcsnum_tostr(rev, buf, sizeof(buf));
2756:
2757: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
2758: return (-1);
2759:
2760: if (rdp->rd_log != NULL)
1.110 joris 2761: xfree(rdp->rd_log);
1.86 joris 2762:
1.110 joris 2763: rdp->rd_log = xstrdup(logtext);
1.86 joris 2764: rfp->rf_flags &= ~RCS_SYNCED;
1.95 niallo 2765: return (0);
2766: }
1.97 niallo 2767: /*
2768: * rcs_rev_getdate()
2769: *
2770: * Get the date corresponding to a given revision.
2771: * Returns the date on success, -1 on failure.
2772: */
2773: time_t
2774: rcs_rev_getdate(RCSFILE *rfp, RCSNUM *rev)
2775: {
2776: struct rcs_delta *rdp;
2777:
2778: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
2779: return (-1);
2780:
2781: return (mktime(&rdp->rd_date));
2782: }
1.95 niallo 2783:
2784: /*
2785: * rcs_state_set()
2786: *
2787: * Sets the state of revision <rev> to <state>
2788: * NOTE: default state is 'Exp'. States may not contain spaces.
2789: *
2790: * Returns -1 on failure, 0 on success.
2791: */
2792: int
2793: rcs_state_set(RCSFILE *rfp, RCSNUM *rev, const char *state)
2794: {
2795: struct rcs_delta *rdp;
2796:
2797: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
2798: return (-1);
2799:
2800: if (rdp->rd_state != NULL)
1.110 joris 2801: xfree(rdp->rd_state);
1.95 niallo 2802:
1.110 joris 2803: rdp->rd_state = xstrdup(state);
1.95 niallo 2804:
2805: rfp->rf_flags &= ~RCS_SYNCED;
2806:
2807: return (0);
2808: }
2809:
2810: /*
2811: * rcs_state_check()
2812: *
2813: * Check if string <state> is valid.
2814: *
1.96 xsa 2815: * Returns 0 if the string is valid, -1 otherwise.
1.95 niallo 2816: */
2817: int
2818: rcs_state_check(const char *state)
2819: {
2820: if (strchr(state, ' ') != NULL)
2821: return (-1);
2822:
1.18 jfb 2823: return (0);
1.1 jfb 2824: }
1.97 niallo 2825:
2826: /*
2827: * rcs_state_get()
2828: *
2829: * Get the state for a given revision of a specified RCSFILE.
2830: *
2831: * Returns NULL on failure.
2832: */
2833: const char *
2834: rcs_state_get(RCSFILE *rfp, RCSNUM *rev)
2835: {
2836: struct rcs_delta *rdp;
2837:
2838: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
2839: return (NULL);
2840:
2841: return (rdp->rd_state);
2842: }
2843:
1.131 niallo 2844: /*
2845: * rcs_kwexp_buf()
2846: *
2847: * Do keyword expansion on a buffer if necessary
2848: *
2849: */
2850: BUF *
2851: rcs_kwexp_buf(BUF *bp, RCSFILE *rf, RCSNUM *rev)
2852: {
2853: struct rcs_delta *rdp;
2854: char *expanded, *tbuf;
2855: int expmode;
2856: size_t len;
2857:
2858: /*
2859: * Do keyword expansion if required.
2860: */
2861: if (rf->rf_expand != NULL)
2862: expmode = rcs_kwexp_get(rf);
2863: else
2864: expmode = RCS_KWEXP_DEFAULT;
2865:
2866: if (!(expmode & RCS_KWEXP_NONE)) {
2867: if ((rdp = rcs_findrev(rf, rev)) == NULL)
2868: fatal("could not fetch revision");
2869: cvs_buf_putc(bp, '\0');
2870: len = cvs_buf_len(bp);
2871: tbuf = cvs_buf_release(bp);
2872: expanded = rcs_expand_keywords(rf->rf_path, rdp,
2873: tbuf, len, expmode);
2874: bp = cvs_buf_alloc(len, BUF_AUTOEXT);
1.138 deraadt 2875: cvs_buf_set(bp, expanded, strlen(expanded), 0);
1.131 niallo 2876: xfree(expanded);
2877: }
2878: return (bp);
2879: }
2880:
1.105 joris 2881:
1.106 joris 2882: #if !defined(RCSPROG)
2883:
1.105 joris 2884: static char *month_tab[] = {
2885: "Jan",
2886: "Feb",
2887: "Mar",
2888: "Apr",
2889: "May",
2890: "Jun",
2891: "Jul",
2892: "Aug",
2893: "Sep",
2894: "Oct",
2895: "Nov",
2896: "Dec"
2897: };
2898:
2899: /*
2900: * Checkout a certain revision <rev> of RCS file <rf> to either standard
2901: * output when running in server mode, or to <fpath> when running in local mode.
2902: *
2903: * If type is CHECKOUT_REV_MERGED we have an extra argument, which
2904: * is the buffer containing the merged file.
2905: *
2906: * If type is CHECKOUT_REV_REMOVED, the file has been removed and we
2907: * need to do the same thing.
2908: */
2909: int
2910: cvs_checkout_rev(RCSFILE *rf, RCSNUM *rev, CVSFILE *cf, char *fpath,
2911: int local, int type, ...)
2912: {
2913: BUF *bp;
2914: int l, ret, fsize;
2915: char timebuf[32], entry[MAXPATHLEN], copyfile[MAXPATHLEN];
2916: char *content, *repo, buf[MAXPATHLEN], modestr[16];
2917: struct cvsroot *root;
2918: struct cvs_ent *ent;
2919: va_list ap;
2920: time_t rcstime;
2921: struct timeval tv[2];
2922: struct tm *tp;
2923: RCSNUM *oldrev;
2924:
2925: bp = NULL;
2926: ret = -1;
2927: content = NULL;
2928: oldrev = NULL;
2929:
2930: if ((type != CHECKOUT_REV_MERGED) && (type != CHECKOUT_REV_REMOVED)) {
2931: /* fetch the contents of the revision */
2932: if ((bp = rcs_getrev(rf, rev)) == NULL) {
2933: cvs_log(LP_ERR, "revision '%s' not found in file '%s'",
2934: rcsnum_tostr(rev, buf, sizeof(buf)), fpath);
2935: goto out;
2936: }
1.131 niallo 2937: bp = rcs_kwexp_buf(bp, rf, rev);
1.105 joris 2938: } else if (type != CHECKOUT_REV_REMOVED) {
2939: va_start(ap, type);
2940: bp = va_arg(ap, BUF *);
2941: va_end(ap);
2942: }
2943:
2944: if (type == CHECKOUT_REV_CREATED)
2945: rcstime = rcs_rev_getdate(rf, rev);
1.108 joris 2946: else if (type == CHECKOUT_REV_MERGED ||
2947: type == CHECKOUT_REV_UPDATED) {
1.105 joris 2948: time(&rcstime);
1.108 joris 2949: if ((rcstime = cvs_hack_time(rcstime, 1)) < 0)
2950: goto out;
2951: }
1.105 joris 2952:
1.108 joris 2953: if (type == CHECKOUT_REV_CREATED ||
1.130 niallo 2954: type == CHECKOUT_REV_MERGED ||
1.108 joris 2955: type == CHECKOUT_REV_UPDATED) {
1.105 joris 2956: ctime_r(&rcstime, timebuf);
2957: l = strlen(timebuf);
2958: if ((l > 0) && (timebuf[l - 1] == '\n'))
2959: timebuf[--l] = '\0';
2960:
2961: l = snprintf(entry, sizeof(entry), "/%s/%s/%s/%s/", cf->cf_name,
2962: rcsnum_tostr(rev, buf, sizeof(buf)),
2963: (local == 1) ? timebuf : "",
2964: (type == CHECKOUT_REV_MERGED) ? "+=" : "");
2965: if (l == -1 || l >= (int)sizeof(buf))
2966: goto out;
2967: }
2968:
2969: if (type == CHECKOUT_REV_MERGED) {
1.111 joris 2970: oldrev = rcsnum_alloc();
2971: rcsnum_cpy(rev, oldrev, 0);
1.105 joris 2972:
2973: if (rcsnum_dec(oldrev) == NULL)
2974: goto out;
2975:
2976: l = snprintf(copyfile, sizeof(copyfile), ".#%s.%s",
2977: cf->cf_name, rcsnum_tostr(oldrev, buf, sizeof(buf)));
2978: if (l == -1 || l >= (int)sizeof(copyfile))
2979: goto out;
2980: }
2981:
2982: root = CVS_DIR_ROOT(cf);
2983: repo = CVS_DIR_REPO(cf);
2984:
2985: /*
2986: * In local mode, just copy the entire contents to fpath.
2987: * In server mode, we need to send it to the client together with
2988: * some responses.
2989: */
2990: if (local) {
2991: l = 0;
2992: if (cf->cf_entry == NULL) {
2993: l = 1;
2994: cf->cf_entry = cvs_ent_open(cf->cf_dir, O_RDWR);
2995: if (cf->cf_entry == NULL) {
1.122 reyk 2996: cvs_log(LP_ERR, "failed to open Entry "
2997: "file '%s'", cf->cf_dir);
1.105 joris 2998: goto out;
2999: }
3000: }
3001:
3002: cvs_ent_remove(cf->cf_entry, cf->cf_name, 1);
3003: if (type != CHECKOUT_REV_REMOVED) {
3004: cvs_ent_addln(cf->cf_entry, entry);
3005: ent = cvs_ent_get(cf->cf_entry, cf->cf_name);
3006: ent->processed = 1;
3007: }
3008:
3009: if (l == 1)
3010: cvs_ent_close(cf->cf_entry);
3011:
3012: switch (type) {
3013: case CHECKOUT_REV_REMOVED:
3014: if (cvs_unlink(fpath) < 0)
3015: goto out;
3016: break;
3017: case CHECKOUT_REV_MERGED:
3018: /* XXX move the old file when merging */
1.108 joris 3019: case CHECKOUT_REV_UPDATED:
1.105 joris 3020: case CHECKOUT_REV_CREATED:
1.114 xsa 3021: cvs_buf_write(bp, fpath, cf->cf_mode);
1.107 joris 3022: /*
3023: * correct the time first
3024: */
3025: if ((rcstime = cvs_hack_time(rcstime, 0)) == 0)
3026: goto out;
3027:
1.105 joris 3028: tv[0].tv_sec = rcstime;
3029: tv[0].tv_usec = 0;
3030: tv[1] = tv[0];
3031: if (utimes(fpath, tv) == -1)
3032: cvs_log(LP_ERRNO, "failed to set timestamps");
3033: break;
3034: }
3035: } else {
3036: /* sanity */
3037: if (cf->cf_type != DT_REG) {
3038: cvs_log(LP_ERR, "cvs_checkout_rev: none DT_REG file");
3039: goto out;
3040: }
3041:
3042: /*
3043: * if we are removing a file, we don't need this stuff.
3044: */
3045: if (type != CHECKOUT_REV_REMOVED) {
1.107 joris 3046: if ((rcstime = cvs_hack_time(rcstime, 0)) == 0)
3047: goto out;
3048:
1.105 joris 3049: tp = gmtime(&rcstime);
3050: l = snprintf(timebuf, sizeof(timebuf),
3051: "%02d %s %d %02d:%02d:%02d -0000",
3052: tp->tm_mday, month_tab[tp->tm_mon],
3053: tp->tm_year + 1900, tp->tm_hour,
3054: tp->tm_min, tp->tm_sec);
3055: if (l == -1 || l >= (int)sizeof(timebuf))
3056: goto out;
3057:
3058: fsize = cvs_buf_len(bp);
3059: cvs_modetostr(cf->cf_mode, modestr, sizeof(modestr));
1.114 xsa 3060: cvs_buf_putc(bp, '\0');
1.105 joris 3061: content = cvs_buf_release(bp);
3062: bp = NULL;
3063: }
3064:
3065: if (type == CHECKOUT_REV_MERGED) {
3066: printf("Copy-file %s/\n", (cf->cf_dir != NULL) ?
3067: cf->cf_dir : ".");
3068: printf("%s/%s/%s\n", root->cr_dir, repo, cf->cf_name);
3069: printf("%s\n", copyfile);
3070: }
3071:
3072: switch (type) {
3073: case CHECKOUT_REV_MERGED:
3074: printf("Merged");
3075: break;
3076: case CHECKOUT_REV_REMOVED:
3077: printf("Removed");
3078: break;
3079: case CHECKOUT_REV_CREATED:
3080: printf("Mod-time %s\n", timebuf);
3081: printf("Created");
3082: break;
3083: default:
3084: cvs_log(LP_ERR, "cvs_checkout_rev: bad type %d",
3085: type);
3086: goto out;
3087: }
3088:
3089: printf(" %s/\n", (cf->cf_dir != NULL) ? cf->cf_dir : ".");
3090: printf("%s/%s\n", repo, cf->cf_name);
3091:
3092: if (type != CHECKOUT_REV_REMOVED) {
3093: printf("%s\n", entry);
3094: printf("%s\n%d\n%s", modestr, fsize, content);
3095: }
3096: }
3097:
3098: ret = 0;
3099:
3100: out:
3101: if (oldrev != NULL)
3102: rcsnum_free(oldrev);
3103: if (bp != NULL)
3104: cvs_buf_free(bp);
3105: if (content != NULL)
1.110 joris 3106: xfree(content);
1.105 joris 3107:
3108: return (ret);
3109: }
1.106 joris 3110:
3111: #endif
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