Annotation of src/usr.bin/cvs/rcs.c, Revision 1.145
1.145 ! xsa 1: /* $OpenBSD: rcs.c,v 1.144 2006/03/15 05:05:35 deraadt 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);
1.142 niallo 308: rfp->rf_flags = flags | RCS_SLOCK | RCS_SYNCED;
1.26 jfb 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;
1.145 ! xsa 900: else
! 901: fatal("rcs_lock_setmode: invalid mode `%d'", mode);
1.30 jfb 902:
1.70 moritz 903: file->rf_flags &= ~RCS_SYNCED;
1.30 jfb 904: return (pmode);
1.27 jfb 905: }
906:
907: /*
1.40 jfb 908: * rcs_lock_add()
909: *
910: * Add an RCS lock for the user <user> on revision <rev>.
911: * Returns 0 on success, or -1 on failure.
912: */
913: int
914: rcs_lock_add(RCSFILE *file, const char *user, RCSNUM *rev)
915: {
916: struct rcs_lock *lkp;
917:
918: /* first look for duplication */
919: TAILQ_FOREACH(lkp, &(file->rf_locks), rl_list) {
1.109 joris 920: if ((strcmp(lkp->rl_name, user) == 0) &&
921: (rcsnum_cmp(rev, lkp->rl_num, 0) == 0)) {
1.40 jfb 922: rcs_errno = RCS_ERR_DUPENT;
923: return (-1);
924: }
925: }
926:
1.110 joris 927: lkp = (struct rcs_lock *)xmalloc(sizeof(*lkp));
928: lkp->rl_name = xstrdup(user);
1.111 joris 929: lkp->rl_num = rcsnum_alloc();
1.68 moritz 930: rcsnum_cpy(rev, lkp->rl_num, 0);
1.40 jfb 931:
932: TAILQ_INSERT_TAIL(&(file->rf_locks), lkp, rl_list);
933:
934: /* not synced anymore */
935: file->rf_flags &= ~RCS_SYNCED;
936: return (0);
937:
938:
939: }
940:
941:
942: /*
943: * rcs_lock_remove()
944: *
945: * Remove the RCS lock on revision <rev>.
946: * Returns 0 on success, or -1 on failure.
947: */
948: int
1.109 joris 949: rcs_lock_remove(RCSFILE *file, const char *user, RCSNUM *rev)
1.40 jfb 950: {
951: struct rcs_lock *lkp;
952:
1.109 joris 953: TAILQ_FOREACH(lkp, &(file->rf_locks), rl_list) {
954: if ((strcmp(lkp->rl_name, user) == 0) &&
955: (rcsnum_cmp(lkp->rl_num, rev, 0) == 0))
1.40 jfb 956: break;
1.109 joris 957: }
1.40 jfb 958:
959: if (lkp == NULL) {
960: rcs_errno = RCS_ERR_NOENT;
961: return (-1);
962: }
963:
964: TAILQ_REMOVE(&(file->rf_locks), lkp, rl_list);
965: rcsnum_free(lkp->rl_num);
1.110 joris 966: xfree(lkp->rl_name);
967: xfree(lkp);
1.40 jfb 968:
969: /* not synced anymore */
970: file->rf_flags &= ~RCS_SYNCED;
971: return (0);
972: }
973:
974: /*
1.27 jfb 975: * rcs_desc_get()
976: *
977: * Retrieve the description for the RCS file <file>.
978: */
1.57 xsa 979: const char *
1.27 jfb 980: rcs_desc_get(RCSFILE *file)
981: {
982: return (file->rf_desc);
983: }
984:
985: /*
986: * rcs_desc_set()
987: *
988: * Set the description for the RCS file <file>.
989: * Returns 0 on success, or -1 on failure.
990: */
991: int
992: rcs_desc_set(RCSFILE *file, const char *desc)
993: {
994: char *tmp;
995:
1.110 joris 996: tmp = xstrdup(desc);
1.27 jfb 997: if (file->rf_desc != NULL)
1.110 joris 998: xfree(file->rf_desc);
1.27 jfb 999: file->rf_desc = tmp;
1000: file->rf_flags &= ~RCS_SYNCED;
1001:
1002: return (0);
1.51 jfb 1003: }
1004:
1005: /*
1006: * rcs_comment_lookup()
1007: *
1008: * Lookup the assumed comment leader based on a file's suffix.
1009: * Returns a pointer to the string on success, or NULL on failure.
1010: */
1.57 xsa 1011: const char *
1.51 jfb 1012: rcs_comment_lookup(const char *filename)
1013: {
1014: int i;
1015: const char *sp;
1016:
1017: if ((sp = strrchr(filename, '.')) == NULL) {
1018: rcs_errno = RCS_ERR_NOENT;
1019: return (NULL);
1020: }
1021: sp++;
1022:
1023: for (i = 0; i < (int)NB_COMTYPES; i++)
1024: if (strcmp(rcs_comments[i].rc_suffix, sp) == 0)
1025: return (rcs_comments[i].rc_cstr);
1026: return (NULL);
1.27 jfb 1027: }
1028:
1.33 jfb 1029: /*
1030: * rcs_comment_get()
1031: *
1032: * Retrieve the comment leader for the RCS file <file>.
1033: */
1.57 xsa 1034: const char *
1.33 jfb 1035: rcs_comment_get(RCSFILE *file)
1036: {
1037: return (file->rf_comment);
1038: }
1039:
1040: /*
1041: * rcs_comment_set()
1042: *
1043: * Set the comment leader for the RCS file <file>.
1044: * Returns 0 on success, or -1 on failure.
1045: */
1046: int
1047: rcs_comment_set(RCSFILE *file, const char *comment)
1048: {
1049: char *tmp;
1050:
1.110 joris 1051: tmp = xstrdup(comment);
1.33 jfb 1052: if (file->rf_comment != NULL)
1.110 joris 1053: xfree(file->rf_comment);
1.33 jfb 1054: file->rf_comment = tmp;
1055: file->rf_flags &= ~RCS_SYNCED;
1056:
1057: return (0);
1058: }
1.40 jfb 1059:
1060: /*
1061: * rcs_tag_resolve()
1062: *
1063: * Retrieve the revision number corresponding to the tag <tag> for the RCS
1064: * file <file>.
1065: */
1.60 xsa 1066: RCSNUM *
1.40 jfb 1067: rcs_tag_resolve(RCSFILE *file, const char *tag)
1068: {
1069: RCSNUM *num;
1070:
1071: if ((num = rcsnum_parse(tag)) == NULL) {
1072: num = rcs_sym_getrev(file, tag);
1073: }
1074:
1075: return (num);
1076: }
1077:
1.94 joris 1078: int
1079: rcs_patch_lines(struct cvs_lines *dlines, struct cvs_lines *plines)
1.5 vincent 1080: {
1081: char op, *ep;
1.94 joris 1082: struct cvs_line *lp, *dlp, *ndlp;
1.5 vincent 1083: int i, lineno, nbln;
1.1 jfb 1084:
1.94 joris 1085: dlp = TAILQ_FIRST(&(dlines->l_lines));
1086: lp = TAILQ_FIRST(&(plines->l_lines));
1.1 jfb 1087:
1088: /* skip first bogus line */
1.94 joris 1089: for (lp = TAILQ_NEXT(lp, l_list); lp != NULL;
1090: lp = TAILQ_NEXT(lp, l_list)) {
1091: op = *(lp->l_line);
1092: lineno = (int)strtol((lp->l_line + 1), &ep, 10);
1093: if ((lineno > dlines->l_nblines) || (lineno < 0) ||
1.132 niallo 1094: (*ep != ' '))
1095: fatal("invalid line specification in RCS patch");
1.1 jfb 1096: ep++;
1097: nbln = (int)strtol(ep, &ep, 10);
1.132 niallo 1098: if ((nbln < 0) || (*ep != '\0'))
1099: fatal("invalid line number specification in RCS patch");
1.1 jfb 1100:
1101: /* find the appropriate line */
1102: for (;;) {
1103: if (dlp == NULL)
1104: break;
1.94 joris 1105: if (dlp->l_lineno == lineno)
1.1 jfb 1106: break;
1.94 joris 1107: if (dlp->l_lineno > lineno) {
1108: dlp = TAILQ_PREV(dlp, cvs_tqh, l_list);
1109: } else if (dlp->l_lineno < lineno) {
1.133 niallo 1110: if (((ndlp = TAILQ_NEXT(dlp, l_list)) == NULL) ||
1.138 deraadt 1111: (ndlp->l_lineno > lineno))
1.1 jfb 1112: break;
1113: dlp = ndlp;
1114: }
1115: }
1.132 niallo 1116: if (dlp == NULL)
1117: fatal("can't find referenced line in RCS patch");
1.1 jfb 1118:
1119: if (op == 'd') {
1120: for (i = 0; (i < nbln) && (dlp != NULL); i++) {
1.94 joris 1121: ndlp = TAILQ_NEXT(dlp, l_list);
1122: TAILQ_REMOVE(&(dlines->l_lines), dlp, l_list);
1.1 jfb 1123: dlp = ndlp;
1.133 niallo 1124: /* last line is gone - reset dlp */
1125: if (dlp == NULL) {
1126: ndlp = TAILQ_LAST(&(dlines->l_lines),
1127: cvs_tqh);
1128: dlp = ndlp;
1129: }
1.1 jfb 1130: }
1.14 deraadt 1131: } else if (op == 'a') {
1.1 jfb 1132: for (i = 0; i < nbln; i++) {
1133: ndlp = lp;
1.94 joris 1134: lp = TAILQ_NEXT(lp, l_list);
1.132 niallo 1135: if (lp == NULL)
1136: fatal("truncated RCS patch");
1.94 joris 1137: TAILQ_REMOVE(&(plines->l_lines), lp, l_list);
1138: TAILQ_INSERT_AFTER(&(dlines->l_lines), dlp,
1139: lp, l_list);
1.1 jfb 1140: dlp = lp;
1141:
1142: /* we don't want lookup to block on those */
1.94 joris 1143: lp->l_lineno = lineno;
1.1 jfb 1144:
1145: lp = ndlp;
1146: }
1.132 niallo 1147: } else
1148: fatal("unknown RCS patch operation `%c'", op);
1.1 jfb 1149:
1150: /* last line of the patch, done */
1.94 joris 1151: if (lp->l_lineno == plines->l_nblines)
1.1 jfb 1152: break;
1153: }
1154:
1155: /* once we're done patching, rebuild the line numbers */
1.2 vincent 1156: lineno = 0;
1.94 joris 1157: TAILQ_FOREACH(lp, &(dlines->l_lines), l_list)
1158: lp->l_lineno = lineno++;
1159: dlines->l_nblines = lineno - 1;
1.1 jfb 1160:
1.5 vincent 1161: return (0);
1.1 jfb 1162: }
1163:
1164: /*
1165: * rcs_getrev()
1166: *
1167: * Get the whole contents of revision <rev> from the RCSFILE <rfp>. The
1.4 vincent 1168: * returned buffer is dynamically allocated and should be released using
1169: * cvs_buf_free() once the caller is done using it.
1.1 jfb 1170: */
1171: BUF*
1.66 joris 1172: rcs_getrev(RCSFILE *rfp, RCSNUM *frev)
1.1 jfb 1173: {
1.131 niallo 1174: int res;
1.1 jfb 1175: size_t len;
1176: void *bp;
1.66 joris 1177: RCSNUM *crev, *rev;
1.125 niallo 1178: BUF *rbuf;
1.1 jfb 1179: struct rcs_delta *rdp = NULL;
1180:
1.28 jfb 1181: if (rfp->rf_head == NULL)
1182: return (NULL);
1.66 joris 1183:
1184: if (frev == RCS_HEAD_REV)
1185: rev = rfp->rf_head;
1186: else
1187: rev = frev;
1.28 jfb 1188:
1.1 jfb 1189: res = rcsnum_cmp(rfp->rf_head, rev, 0);
1190: if (res == 1) {
1.32 jfb 1191: rcs_errno = RCS_ERR_NOENT;
1.1 jfb 1192: return (NULL);
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: }
1.117 niallo 1203: if (rdp->rd_tlen == 0)
1204: rcs_parse_deltatexts(rfp, rfp->rf_head);
1.45 jfb 1205: len = rdp->rd_tlen;
1.115 niallo 1206: if (len == 0) {
1207: rbuf = cvs_buf_alloc(1, 0);
1208: cvs_buf_empty(rbuf);
1209: return (rbuf);
1210: }
1.26 jfb 1211:
1.116 joris 1212: rbuf = cvs_buf_alloc(len, BUF_AUTOEXT);
1.26 jfb 1213: cvs_buf_append(rbuf, rdp->rd_text, len);
1214:
1215: if (res != 0) {
1216: /* Apply patches backwards to get the right version.
1217: * This will need some rework to support sub branches.
1218: */
1219: do {
1.87 joris 1220: crev = rdp->rd_next;
1.26 jfb 1221: rdp = rcs_findrev(rfp, crev);
1222: if (rdp == NULL) {
1223: cvs_buf_free(rbuf);
1224: return (NULL);
1225: }
1.114 xsa 1226: cvs_buf_putc(rbuf, '\0');
1.117 niallo 1227: /* check if we have parsed this rev's deltatext */
1228: if (rdp->rd_tlen == 0)
1229: rcs_parse_deltatexts(rfp, rdp->rd_num);
1.114 xsa 1230:
1.26 jfb 1231: bp = cvs_buf_release(rbuf);
1.94 joris 1232: rbuf = cvs_patchfile((char *)bp, (char *)rdp->rd_text,
1233: rcs_patch_lines);
1.110 joris 1234: xfree(bp);
1.26 jfb 1235: if (rbuf == NULL)
1236: break;
1237: } while (rcsnum_cmp(crev, rev, 0) != 0);
1.1 jfb 1238: }
1.125 niallo 1239: if (cvs_buf_getc(rbuf, cvs_buf_len(rbuf)-1) != '\n'
1240: && rbuf != NULL)
1241: cvs_buf_putc(rbuf, '\n');
1242: return (rbuf);
1.1 jfb 1243: }
1244:
1245: /*
1.52 jfb 1246: * rcs_rev_add()
1247: *
1.53 jfb 1248: * Add a revision to the RCS file <rf>. The new revision's number can be
1249: * specified in <rev> (which can also be RCS_HEAD_REV, in which case the
1250: * new revision will have a number equal to the previous head revision plus
1251: * one). The <msg> argument specifies the log message for that revision, and
1252: * <date> specifies the revision's date (a value of -1 is
1253: * equivalent to using the current time).
1.96 xsa 1254: * If <username> is NULL, set the author for this revision to the current user.
1.90 niallo 1255: * Otherwise, set it to <username>.
1.52 jfb 1256: * Returns 0 on success, or -1 on failure.
1257: */
1258: int
1.90 niallo 1259: rcs_rev_add(RCSFILE *rf, RCSNUM *rev, const char *msg, time_t date,
1260: const char *username)
1.52 jfb 1261: {
1262: time_t now;
1263: struct passwd *pw;
1.83 joris 1264: struct rcs_delta *ordp, *rdp;
1265:
1.52 jfb 1266: if (rev == RCS_HEAD_REV) {
1.101 niallo 1267: if (rf->rf_flags & RCS_CREATE) {
1268: if ((rev = rcsnum_parse(RCS_HEAD_INIT)) == NULL)
1269: return (-1);
1.111 joris 1270: rf->rf_head = rcsnum_alloc();
1.101 niallo 1271: rcsnum_cpy(rev, rf->rf_head, 0);
1272: } else {
1273: rev = rcsnum_inc(rf->rf_head);
1274: }
1.83 joris 1275: } else {
1276: if ((rdp = rcs_findrev(rf, rev)) != NULL) {
1277: rcs_errno = RCS_ERR_DUPENT;
1278: return (-1);
1279: }
1.52 jfb 1280: }
1281:
1.112 xsa 1282: if ((pw = getpwuid(getuid())) == NULL)
1283: fatal("getpwuid failed");
1.52 jfb 1284:
1.110 joris 1285: rdp = (struct rcs_delta *)xmalloc(sizeof(*rdp));
1.52 jfb 1286: memset(rdp, 0, sizeof(*rdp));
1287:
1288: TAILQ_INIT(&(rdp->rd_branches));
1289: TAILQ_INIT(&(rdp->rd_snodes));
1290:
1.111 joris 1291: rdp->rd_num = rcsnum_alloc();
1.52 jfb 1292: rcsnum_cpy(rev, rdp->rd_num, 0);
1.83 joris 1293:
1.111 joris 1294: rdp->rd_next = rcsnum_alloc();
1.92 joris 1295:
1.143 niallo 1296: if (!(rf->rf_flags & RCS_CREATE)) {
1297: /* next should point to the previous HEAD */
1298: ordp = TAILQ_FIRST(&(rf->rf_delta));
1299: rcsnum_cpy(ordp->rd_num, rdp->rd_next, 0);
1300: }
1.101 niallo 1301:
1.52 jfb 1302:
1.90 niallo 1303: if (username == NULL)
1304: username = pw->pw_name;
1305:
1.110 joris 1306: rdp->rd_author = xstrdup(username);
1307: rdp->rd_state = xstrdup(RCS_STATE_EXP);
1308: rdp->rd_log = xstrdup(msg);
1.52 jfb 1309:
1.53 jfb 1310: if (date != (time_t)(-1))
1311: now = date;
1312: else
1313: time(&now);
1.52 jfb 1314: gmtime_r(&now, &(rdp->rd_date));
1315:
1316: TAILQ_INSERT_HEAD(&(rf->rf_delta), rdp, rd_list);
1317: rf->rf_ndelta++;
1.81 niallo 1318:
1.64 niallo 1319: /* not synced anymore */
1320: rf->rf_flags &= ~RCS_SYNCED;
1.52 jfb 1321:
1322: return (0);
1323: }
1324:
1325: /*
1326: * rcs_rev_remove()
1327: *
1328: * Remove the revision whose number is <rev> from the RCS file <rf>.
1329: */
1330: int
1331: rcs_rev_remove(RCSFILE *rf, RCSNUM *rev)
1332: {
1333: int ret;
1334: struct rcs_delta *rdp;
1335:
1336: ret = 0;
1337: if (rev == RCS_HEAD_REV)
1338: rev = rf->rf_head;
1339:
1340: /* do we actually have that revision? */
1341: if ((rdp = rcs_findrev(rf, rev)) == NULL) {
1342: rcs_errno = RCS_ERR_NOENT;
1343: ret = -1;
1344: } else {
1345: /* XXX assumes it's not a sub node */
1346: TAILQ_REMOVE(&(rf->rf_delta), rdp, rd_list);
1347: rf->rf_ndelta--;
1348: rf->rf_flags &= ~RCS_SYNCED;
1349: }
1350:
1351: return (ret);
1352:
1353: }
1354:
1355: /*
1.1 jfb 1356: * rcs_findrev()
1357: *
1358: * Find a specific revision's delta entry in the tree of the RCS file <rfp>.
1359: * The revision number is given in <rev>.
1360: * Returns a pointer to the delta on success, or NULL on failure.
1361: */
1.102 xsa 1362: struct rcs_delta *
1.117 niallo 1363: rcs_findrev(RCSFILE *rfp, RCSNUM *rev)
1.1 jfb 1364: {
1365: u_int cmplen;
1.117 niallo 1366: struct rcs_delta *rdp, *enddelta;
1.1 jfb 1367: struct rcs_dlist *hp;
1.6 vincent 1368: int found;
1.26 jfb 1369:
1.117 niallo 1370: /*
1371: * We need to do more parsing if the last revision in the linked list
1372: * is greater than the requested revision.
1373: */
1374: enddelta = TAILQ_LAST(&(rfp->rf_delta), rcs_dlist);
1375: if ((enddelta == NULL)
1376: || (rcsnum_cmp(enddelta->rd_num, rev, -1) == -1)) {
1377: rcs_parse_deltas(rfp, rev);
1378: }
1379:
1.1 jfb 1380: cmplen = 2;
1381: hp = &(rfp->rf_delta);
1382:
1.6 vincent 1383: do {
1384: found = 0;
1385: TAILQ_FOREACH(rdp, hp, rd_list) {
1386: if (rcsnum_cmp(rdp->rd_num, rev, cmplen) == 0) {
1387: if (cmplen == rev->rn_len)
1388: return (rdp);
1.1 jfb 1389:
1.6 vincent 1390: hp = &(rdp->rd_snodes);
1391: cmplen += 2;
1392: found = 1;
1393: break;
1394: }
1.1 jfb 1395: }
1.6 vincent 1396: } while (found && cmplen < rev->rn_len);
1.1 jfb 1397:
1398: return (NULL);
1.20 jfb 1399: }
1400:
1401: /*
1.26 jfb 1402: * rcs_kwexp_set()
1403: *
1404: * Set the keyword expansion mode to use on the RCS file <file> to <mode>.
1405: * Returns 0 on success, or -1 on failure.
1406: */
1407: int
1408: rcs_kwexp_set(RCSFILE *file, int mode)
1409: {
1410: int i;
1411: char *tmp, buf[8] = "";
1412:
1413: if (RCS_KWEXP_INVAL(mode))
1414: return (-1);
1415:
1416: i = 0;
1417: if (mode == RCS_KWEXP_NONE)
1418: buf[0] = 'b';
1419: else if (mode == RCS_KWEXP_OLD)
1420: buf[0] = 'o';
1421: else {
1422: if (mode & RCS_KWEXP_NAME)
1423: buf[i++] = 'k';
1424: if (mode & RCS_KWEXP_VAL)
1425: buf[i++] = 'v';
1426: if (mode & RCS_KWEXP_LKR)
1427: buf[i++] = 'l';
1428: }
1429:
1.110 joris 1430: tmp = xstrdup(buf);
1.27 jfb 1431: if (file->rf_expand != NULL)
1.99 niallo 1432: free(file->rf_expand);
1.26 jfb 1433: file->rf_expand = tmp;
1.64 niallo 1434: /* not synced anymore */
1435: file->rf_flags &= ~RCS_SYNCED;
1.26 jfb 1436:
1437: return (0);
1438: }
1439:
1440: /*
1441: * rcs_kwexp_get()
1442: *
1443: * Retrieve the keyword expansion mode to be used for the RCS file <file>.
1444: */
1445: int
1446: rcs_kwexp_get(RCSFILE *file)
1447: {
1448: return rcs_kflag_get(file->rf_expand);
1449: }
1450:
1451: /*
1.20 jfb 1452: * rcs_kflag_get()
1453: *
1454: * Get the keyword expansion mode from a set of character flags given in
1455: * <flags> and return the appropriate flag mask. In case of an error, the
1456: * returned mask will have the RCS_KWEXP_ERR bit set to 1.
1457: */
1458: int
1459: rcs_kflag_get(const char *flags)
1460: {
1461: int fl;
1462: size_t len;
1463: const char *fp;
1464:
1465: fl = 0;
1466: len = strlen(flags);
1467:
1468: for (fp = flags; *fp != '\0'; fp++) {
1469: if (*fp == 'k')
1470: fl |= RCS_KWEXP_NAME;
1471: else if (*fp == 'v')
1472: fl |= RCS_KWEXP_VAL;
1473: else if (*fp == 'l')
1474: fl |= RCS_KWEXP_LKR;
1475: else if (*fp == 'o') {
1476: if (len != 1)
1477: fl |= RCS_KWEXP_ERR;
1478: fl |= RCS_KWEXP_OLD;
1479: } else if (*fp == 'b') {
1480: if (len != 1)
1481: fl |= RCS_KWEXP_ERR;
1482: } else /* unknown letter */
1483: fl |= RCS_KWEXP_ERR;
1484: }
1485:
1486: return (fl);
1.32 jfb 1487: }
1488:
1489: /*
1490: * rcs_errstr()
1491: *
1492: * Get the error string matching the RCS error code <code>.
1493: */
1.57 xsa 1494: const char *
1.32 jfb 1495: rcs_errstr(int code)
1496: {
1.50 jfb 1497: const char *esp;
1498:
1499: if ((code < 0) || ((code >= (int)RCS_NERR) && (code != RCS_ERR_ERRNO)))
1500: esp = NULL;
1501: else if (code == RCS_ERR_ERRNO)
1502: esp = strerror(errno);
1503: else
1504: esp = rcs_errstrs[code];
1505: return (esp);
1.1 jfb 1506: }
1507:
1.21 jfb 1508: void
1509: rcs_kflag_usage(void)
1510: {
1511: fprintf(stderr, "Valid expansion modes include:\n"
1.22 jfb 1512: "\t-kkv\tGenerate keywords using the default form.\n"
1513: "\t-kkvl\tLike -kkv, except locker's name inserted.\n"
1514: "\t-kk\tGenerate only keyword names in keyword strings.\n"
1515: "\t-kv\tGenerate only keyword values in keyword strings.\n"
1516: "\t-ko\tGenerate old keyword string "
1.21 jfb 1517: "(no changes from checked in file).\n"
1.22 jfb 1518: "\t-kb\tGenerate binary file unmodified (merges not allowed).\n");
1.21 jfb 1519: }
1.1 jfb 1520:
1.117 niallo 1521: /* rcs_parse_deltas()
1522: *
1523: * Parse deltas. If <rev> is not NULL, parse only as far as that
1524: * revision. If <rev> is NULL, parse all deltas.
1525: *
1526: * Returns 0 on success, -1 on failure.
1527: */
1528: static int
1529: rcs_parse_deltas(RCSFILE *rfp, RCSNUM *rev)
1530: {
1531: int ret;
1532: struct rcs_delta *enddelta;
1533: if ((rfp->rf_flags & PARSED_DELTAS)
1534: || (rfp->rf_flags & RCS_CREATE))
1535: return (0);
1536: for (;;) {
1537: ret = rcs_parse_delta(rfp);
1538: if (rev != NULL) {
1539: enddelta = TAILQ_LAST(&(rfp->rf_delta), rcs_dlist);
1540: if (rcsnum_cmp(enddelta->rd_num, rev, -1) == 0)
1541: break;
1542: }
1543: if (ret == 0) {
1544: rfp->rf_flags |= PARSED_DELTAS;
1545: break;
1546: }
1547: else if (ret == -1)
1548: fatal("error parsing deltas");
1549: }
1550: return (0);
1551: }
1552:
1553: /* rcs_parse_deltatexts()
1554: *
1555: * Parse deltatexts. If <rev> is not NULL, parse only as far as that
1556: * revision. If <rev> is NULL, parse everything.
1557: *
1558: * Returns 0 on success, -1 on failure.
1559: */
1560: static int
1561: rcs_parse_deltatexts(RCSFILE *rfp, RCSNUM *rev)
1562: {
1563: int ret;
1564: struct rcs_delta *rdp;
1565: if ((rfp->rf_flags & PARSED_DELTATEXTS)
1566: || (rfp->rf_flags & RCS_CREATE))
1567: return (0);
1568: if (!(rfp->rf_flags & PARSED_DESC))
1569: rcs_parse_desc(rfp, rev);
1570: for (;;) {
1571: if (rev != NULL) {
1572: rdp = rcs_findrev(rfp, rev);
1573: if (rdp->rd_text != NULL)
1574: break;
1575: else
1576: ret = rcs_parse_deltatext(rfp);
1577: } else
1578: ret = rcs_parse_deltatext(rfp);
1579: if (ret == 0) {
1580: rfp->rf_flags |= PARSED_DELTATEXTS;
1581: break;
1582: }
1583: else if (ret == -1) {
1584: fatal("problem parsing deltatexts");
1585: }
1586: }
1587:
1588: return (0);
1589: }
1590:
1591: /* rcs_parse_desc()
1592: *
1593: * Parse RCS description.
1594: *
1595: * Returns 0 on success, -1 on failure.
1596: */
1597: static int
1598: rcs_parse_desc(RCSFILE *rfp, RCSNUM *rev)
1599: {
1600: int ret = 0;
1601: if ((rfp->rf_flags & PARSED_DESC)
1602: || (rfp->rf_flags & RCS_CREATE))
1603: return (0);
1.122 reyk 1604: if (!(rfp->rf_flags & PARSED_DELTAS))
1.117 niallo 1605: rcs_parse_deltas(rfp, rev);
1606: /* do parsing */
1607: ret = rcs_gettok(rfp);
1608: if (ret != RCS_TOK_DESC) {
1609: rcs_errno = RCS_ERR_PARSE;
1610: cvs_log(LP_ERR, "token `%s' found where RCS desc expected",
1611: RCS_TOKSTR(rfp));
1612: fatal("problem parsing RCS desc");
1613: return (-1);
1614: }
1615:
1616: ret = rcs_gettok(rfp);
1617: if (ret != RCS_TOK_STRING) {
1618: rcs_errno = RCS_ERR_PARSE;
1619: cvs_log(LP_ERR, "token `%s' found where RCS desc expected",
1620: RCS_TOKSTR(rfp));
1621: fatal("problem parsing RCS desc");
1622: }
1623:
1624: rfp->rf_desc = xstrdup(RCS_TOKSTR(rfp));
1625: rfp->rf_flags |= PARSED_DESC;
1626: return (0);
1627: }
1628:
1.1 jfb 1629: /*
1.117 niallo 1630: * rcs_parse_init()
1.1 jfb 1631: *
1.117 niallo 1632: * Initial parsing of file <path>, which are in the RCS format.
1633: * Just does admin section
1.1 jfb 1634: * Returns 0 on success, or -1 on failure.
1635: */
1.26 jfb 1636: static int
1.117 niallo 1637: rcs_parse_init(RCSFILE *rfp)
1.1 jfb 1638: {
1.117 niallo 1639: int ret, count;
1.1 jfb 1640: struct rcs_pdata *pdp;
1641:
1.117 niallo 1642: count = 0;
1.26 jfb 1643: if (rfp->rf_flags & RCS_PARSED)
1.1 jfb 1644: return (0);
1645:
1.110 joris 1646: pdp = (struct rcs_pdata *)xmalloc(sizeof(*pdp));
1.1 jfb 1647: memset(pdp, 0, sizeof(*pdp));
1648:
1.18 jfb 1649: pdp->rp_lines = 0;
1.1 jfb 1650: pdp->rp_pttype = RCS_TOK_ERR;
1651:
1.113 xsa 1652: if ((pdp->rp_file = fopen(rfp->rf_path, "r")) == NULL)
1653: fatal("fopen: `%s': %s", rfp->rf_path, strerror(errno));
1.1 jfb 1654:
1.110 joris 1655: pdp->rp_buf = (char *)xmalloc((size_t)RCS_BUFSIZE);
1.1 jfb 1656: pdp->rp_blen = RCS_BUFSIZE;
1.18 jfb 1657: pdp->rp_bufend = pdp->rp_buf + pdp->rp_blen - 1;
1.1 jfb 1658:
1659: /* ditch the strict lock */
1.26 jfb 1660: rfp->rf_flags &= ~RCS_SLOCK;
1.1 jfb 1661: rfp->rf_pdata = pdp;
1662:
1.31 jfb 1663: if ((ret = rcs_parse_admin(rfp)) < 0) {
1.1 jfb 1664: rcs_freepdata(pdp);
1.117 niallo 1665: fatal("could not parse admin data");
1.1 jfb 1666: }
1667:
1.117 niallo 1668: if (rfp->rf_flags & RCS_PARSE_FULLY)
1669: rcs_parse_deltatexts(rfp, NULL);
1.1 jfb 1670:
1.117 niallo 1671: rfp->rf_flags |= RCS_SYNCED;
1.1 jfb 1672: return (0);
1673: }
1674:
1675: /*
1676: * rcs_parse_admin()
1677: *
1678: * Parse the administrative portion of an RCS file.
1.31 jfb 1679: * Returns the type of the first token found after the admin section on
1680: * success, or -1 on failure.
1.1 jfb 1681: */
1682: static int
1683: rcs_parse_admin(RCSFILE *rfp)
1684: {
1685: u_int i;
1686: int tok, ntok, hmask;
1687: struct rcs_key *rk;
1688:
1689: /* hmask is a mask of the headers already encountered */
1690: hmask = 0;
1691: for (;;) {
1692: tok = rcs_gettok(rfp);
1693: if (tok == RCS_TOK_ERR) {
1.50 jfb 1694: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1695: cvs_log(LP_ERR, "parse error in RCS admin section");
1696: return (-1);
1.31 jfb 1697: } else if ((tok == RCS_TOK_NUM) || (tok == RCS_TOK_DESC)) {
1698: /*
1699: * Assume this is the start of the first delta or
1700: * that we are dealing with an empty RCS file and
1701: * we just found the description.
1702: */
1.1 jfb 1703: rcs_pushtok(rfp, RCS_TOKSTR(rfp), tok);
1.31 jfb 1704: return (tok);
1.1 jfb 1705: }
1706:
1707: rk = NULL;
1.18 jfb 1708: for (i = 0; i < RCS_NKEYS; i++)
1.1 jfb 1709: if (rcs_keys[i].rk_id == tok)
1710: rk = &(rcs_keys[i]);
1711:
1712: if (hmask & (1 << tok)) {
1.50 jfb 1713: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1714: cvs_log(LP_ERR, "duplicate RCS key");
1715: return (-1);
1716: }
1717: hmask |= (1 << tok);
1718:
1719: switch (tok) {
1720: case RCS_TOK_HEAD:
1721: case RCS_TOK_BRANCH:
1722: case RCS_TOK_COMMENT:
1723: case RCS_TOK_EXPAND:
1724: ntok = rcs_gettok(rfp);
1725: if (ntok == RCS_TOK_SCOLON)
1726: break;
1727: if (ntok != rk->rk_val) {
1.50 jfb 1728: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1729: cvs_log(LP_ERR,
1730: "invalid value type for RCS key `%s'",
1731: rk->rk_str);
1732: }
1733:
1734: if (tok == RCS_TOK_HEAD) {
1.111 joris 1735: if (rfp->rf_head == NULL)
1.28 jfb 1736: rfp->rf_head = rcsnum_alloc();
1.1 jfb 1737: rcsnum_aton(RCS_TOKSTR(rfp), NULL,
1738: rfp->rf_head);
1.14 deraadt 1739: } else if (tok == RCS_TOK_BRANCH) {
1.111 joris 1740: if (rfp->rf_branch == NULL)
1.35 jfb 1741: rfp->rf_branch = rcsnum_alloc();
1742: if (rcsnum_aton(RCS_TOKSTR(rfp), NULL,
1743: rfp->rf_branch) < 0)
1744: return (-1);
1.14 deraadt 1745: } else if (tok == RCS_TOK_COMMENT) {
1.110 joris 1746: rfp->rf_comment = xstrdup(RCS_TOKSTR(rfp));
1.14 deraadt 1747: } else if (tok == RCS_TOK_EXPAND) {
1.110 joris 1748: rfp->rf_expand = xstrdup(RCS_TOKSTR(rfp));
1.1 jfb 1749: }
1750:
1751: /* now get the expected semi-colon */
1752: ntok = rcs_gettok(rfp);
1753: if (ntok != RCS_TOK_SCOLON) {
1.50 jfb 1754: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1755: cvs_log(LP_ERR,
1756: "missing semi-colon after RCS `%s' key",
1.26 jfb 1757: rk->rk_str);
1.1 jfb 1758: return (-1);
1759: }
1760: break;
1761: case RCS_TOK_ACCESS:
1.29 jfb 1762: if (rcs_parse_access(rfp) < 0)
1763: return (-1);
1.1 jfb 1764: break;
1765: case RCS_TOK_SYMBOLS:
1.29 jfb 1766: if (rcs_parse_symbols(rfp) < 0)
1767: return (-1);
1.1 jfb 1768: break;
1769: case RCS_TOK_LOCKS:
1.29 jfb 1770: if (rcs_parse_locks(rfp) < 0)
1771: return (-1);
1.1 jfb 1772: break;
1773: default:
1.50 jfb 1774: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1775: cvs_log(LP_ERR,
1776: "unexpected token `%s' in RCS admin section",
1777: RCS_TOKSTR(rfp));
1778: return (-1);
1779: }
1780: }
1781:
1782: return (0);
1783: }
1784:
1785: /*
1786: * rcs_parse_delta()
1787: *
1788: * Parse an RCS delta section and allocate the structure to store that delta's
1789: * information in the <rfp> delta list.
1790: * Returns 1 if the section was parsed OK, 0 if it is the last delta, and
1791: * -1 on error.
1792: */
1793: static int
1794: rcs_parse_delta(RCSFILE *rfp)
1795: {
1796: int ret, tok, ntok, hmask;
1797: u_int i;
1798: char *tokstr;
1.3 vincent 1799: RCSNUM *datenum;
1.1 jfb 1800: struct rcs_delta *rdp;
1801: struct rcs_key *rk;
1802:
1.110 joris 1803: rdp = (struct rcs_delta *)xmalloc(sizeof(*rdp));
1.1 jfb 1804: memset(rdp, 0, sizeof(*rdp));
1805:
1806: rdp->rd_num = rcsnum_alloc();
1807: rdp->rd_next = rcsnum_alloc();
1808:
1809: TAILQ_INIT(&(rdp->rd_branches));
1.52 jfb 1810: TAILQ_INIT(&(rdp->rd_snodes));
1.1 jfb 1811:
1812: tok = rcs_gettok(rfp);
1813: if (tok != RCS_TOK_NUM) {
1.52 jfb 1814: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1815: cvs_log(LP_ERR, "unexpected token `%s' at start of delta",
1816: RCS_TOKSTR(rfp));
1817: rcs_freedelta(rdp);
1818: return (-1);
1819: }
1820: rcsnum_aton(RCS_TOKSTR(rfp), NULL, rdp->rd_num);
1821:
1822: hmask = 0;
1823: ret = 0;
1824: tokstr = NULL;
1825:
1826: for (;;) {
1827: tok = rcs_gettok(rfp);
1828: if (tok == RCS_TOK_ERR) {
1.50 jfb 1829: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1830: cvs_log(LP_ERR, "parse error in RCS delta section");
1831: rcs_freedelta(rdp);
1832: return (-1);
1.14 deraadt 1833: } else if (tok == RCS_TOK_NUM || tok == RCS_TOK_DESC) {
1.15 tedu 1834: rcs_pushtok(rfp, RCS_TOKSTR(rfp), tok);
1.1 jfb 1835: ret = (tok == RCS_TOK_NUM ? 1 : 0);
1836: break;
1837: }
1838:
1839: rk = NULL;
1.18 jfb 1840: for (i = 0; i < RCS_NKEYS; i++)
1.1 jfb 1841: if (rcs_keys[i].rk_id == tok)
1842: rk = &(rcs_keys[i]);
1843:
1844: if (hmask & (1 << tok)) {
1.50 jfb 1845: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1846: cvs_log(LP_ERR, "duplicate RCS key");
1847: rcs_freedelta(rdp);
1848: return (-1);
1849: }
1850: hmask |= (1 << tok);
1851:
1852: switch (tok) {
1853: case RCS_TOK_DATE:
1854: case RCS_TOK_AUTHOR:
1855: case RCS_TOK_STATE:
1856: case RCS_TOK_NEXT:
1857: ntok = rcs_gettok(rfp);
1858: if (ntok == RCS_TOK_SCOLON) {
1859: if (rk->rk_flags & RCS_VOPT)
1860: break;
1861: else {
1.50 jfb 1862: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1863: cvs_log(LP_ERR, "missing mandatory "
1864: "value to RCS key `%s'",
1865: rk->rk_str);
1866: rcs_freedelta(rdp);
1867: return (-1);
1868: }
1869: }
1870:
1871: if (ntok != rk->rk_val) {
1.50 jfb 1872: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1873: cvs_log(LP_ERR,
1874: "invalid value type for RCS key `%s'",
1875: rk->rk_str);
1876: rcs_freedelta(rdp);
1877: return (-1);
1878: }
1879:
1880: if (tokstr != NULL)
1.110 joris 1881: xfree(tokstr);
1882: tokstr = xstrdup(RCS_TOKSTR(rfp));
1.1 jfb 1883: /* now get the expected semi-colon */
1884: ntok = rcs_gettok(rfp);
1885: if (ntok != RCS_TOK_SCOLON) {
1.50 jfb 1886: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1887: cvs_log(LP_ERR,
1888: "missing semi-colon after RCS `%s' key",
1.26 jfb 1889: rk->rk_str);
1.110 joris 1890: xfree(tokstr);
1.1 jfb 1891: rcs_freedelta(rdp);
1892: return (-1);
1893: }
1894:
1895: if (tok == RCS_TOK_DATE) {
1.25 jfb 1896: if ((datenum = rcsnum_parse(tokstr)) == NULL) {
1.110 joris 1897: xfree(tokstr);
1.11 joris 1898: rcs_freedelta(rdp);
1899: return (-1);
1900: }
1.3 vincent 1901: if (datenum->rn_len != 6) {
1.50 jfb 1902: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1903: cvs_log(LP_ERR,
1904: "RCS date specification has %s "
1905: "fields",
1.3 vincent 1906: (datenum->rn_len > 6) ? "too many" :
1.1 jfb 1907: "missing");
1.110 joris 1908: xfree(tokstr);
1.1 jfb 1909: rcs_freedelta(rdp);
1.37 tedu 1910: rcsnum_free(datenum);
1911: return (-1);
1.1 jfb 1912: }
1.3 vincent 1913: rdp->rd_date.tm_year = datenum->rn_id[0];
1.19 jfb 1914: if (rdp->rd_date.tm_year >= 1900)
1915: rdp->rd_date.tm_year -= 1900;
1.3 vincent 1916: rdp->rd_date.tm_mon = datenum->rn_id[1] - 1;
1917: rdp->rd_date.tm_mday = datenum->rn_id[2];
1918: rdp->rd_date.tm_hour = datenum->rn_id[3];
1919: rdp->rd_date.tm_min = datenum->rn_id[4];
1920: rdp->rd_date.tm_sec = datenum->rn_id[5];
1921: rcsnum_free(datenum);
1.14 deraadt 1922: } else if (tok == RCS_TOK_AUTHOR) {
1.1 jfb 1923: rdp->rd_author = tokstr;
1924: tokstr = NULL;
1.14 deraadt 1925: } else if (tok == RCS_TOK_STATE) {
1.1 jfb 1926: rdp->rd_state = tokstr;
1927: tokstr = NULL;
1.14 deraadt 1928: } else if (tok == RCS_TOK_NEXT) {
1.1 jfb 1929: rcsnum_aton(tokstr, NULL, rdp->rd_next);
1930: }
1931: break;
1932: case RCS_TOK_BRANCHES:
1.46 jfb 1933: if (rcs_parse_branches(rfp, rdp) < 0) {
1934: rcs_freedelta(rdp);
1935: return (-1);
1936: }
1.1 jfb 1937: break;
1938: default:
1.50 jfb 1939: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1940: cvs_log(LP_ERR,
1941: "unexpected token `%s' in RCS delta",
1942: RCS_TOKSTR(rfp));
1943: rcs_freedelta(rdp);
1944: return (-1);
1945: }
1946: }
1947:
1.13 jfb 1948: if (tokstr != NULL)
1.110 joris 1949: xfree(tokstr);
1.13 jfb 1950:
1.1 jfb 1951: TAILQ_INSERT_TAIL(&(rfp->rf_delta), rdp, rd_list);
1.26 jfb 1952: rfp->rf_ndelta++;
1.1 jfb 1953:
1954: return (ret);
1955: }
1956:
1957: /*
1958: * rcs_parse_deltatext()
1959: *
1960: * Parse an RCS delta text section and fill in the log and text field of the
1961: * appropriate delta section.
1962: * Returns 1 if the section was parsed OK, 0 if it is the last delta, and
1963: * -1 on error.
1964: */
1965: static int
1966: rcs_parse_deltatext(RCSFILE *rfp)
1967: {
1968: int tok;
1969: RCSNUM *tnum;
1970: struct rcs_delta *rdp;
1971:
1972: tok = rcs_gettok(rfp);
1973: if (tok == RCS_TOK_EOF)
1974: return (0);
1975:
1976: if (tok != RCS_TOK_NUM) {
1.50 jfb 1977: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 1978: cvs_log(LP_ERR,
1979: "unexpected token `%s' at start of RCS delta text",
1980: RCS_TOKSTR(rfp));
1981: return (-1);
1982: }
1.13 jfb 1983:
1984: tnum = rcsnum_alloc();
1.1 jfb 1985: rcsnum_aton(RCS_TOKSTR(rfp), NULL, tnum);
1986:
1987: TAILQ_FOREACH(rdp, &(rfp->rf_delta), rd_list) {
1988: if (rcsnum_cmp(tnum, rdp->rd_num, 0) == 0)
1989: break;
1990: }
1.13 jfb 1991: rcsnum_free(tnum);
1992:
1.1 jfb 1993: if (rdp == NULL) {
1994: cvs_log(LP_ERR, "RCS delta text `%s' has no matching delta",
1995: RCS_TOKSTR(rfp));
1996: return (-1);
1997: }
1998:
1999: tok = rcs_gettok(rfp);
2000: if (tok != RCS_TOK_LOG) {
1.50 jfb 2001: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2002: cvs_log(LP_ERR, "unexpected token `%s' where RCS log expected",
2003: RCS_TOKSTR(rfp));
2004: return (-1);
2005: }
2006:
2007: tok = rcs_gettok(rfp);
2008: if (tok != RCS_TOK_STRING) {
1.50 jfb 2009: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2010: cvs_log(LP_ERR, "unexpected token `%s' where RCS log expected",
2011: RCS_TOKSTR(rfp));
2012: return (-1);
2013: }
1.110 joris 2014: rdp->rd_log = xstrdup(RCS_TOKSTR(rfp));
1.1 jfb 2015: tok = rcs_gettok(rfp);
2016: if (tok != RCS_TOK_TEXT) {
1.50 jfb 2017: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2018: cvs_log(LP_ERR, "unexpected token `%s' where RCS text expected",
2019: RCS_TOKSTR(rfp));
2020: return (-1);
2021: }
2022:
2023: tok = rcs_gettok(rfp);
2024: if (tok != RCS_TOK_STRING) {
1.50 jfb 2025: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2026: cvs_log(LP_ERR, "unexpected token `%s' where RCS text expected",
2027: RCS_TOKSTR(rfp));
2028: return (-1);
2029: }
2030:
1.110 joris 2031: rdp->rd_text = (u_char *)xmalloc(RCS_TOKLEN(rfp) + 1);
1.74 joris 2032: strlcpy(rdp->rd_text, RCS_TOKSTR(rfp), (RCS_TOKLEN(rfp) + 1));
1.42 jfb 2033: rdp->rd_tlen = RCS_TOKLEN(rfp);
1.1 jfb 2034:
2035: return (1);
2036: }
2037:
2038: /*
2039: * rcs_parse_access()
2040: *
2041: * Parse the access list given as value to the `access' keyword.
2042: * Returns 0 on success, or -1 on failure.
2043: */
2044: static int
2045: rcs_parse_access(RCSFILE *rfp)
2046: {
2047: int type;
2048:
2049: while ((type = rcs_gettok(rfp)) != RCS_TOK_SCOLON) {
2050: if (type != RCS_TOK_ID) {
1.50 jfb 2051: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2052: cvs_log(LP_ERR, "unexpected token `%s' in access list",
2053: RCS_TOKSTR(rfp));
2054: return (-1);
2055: }
1.29 jfb 2056:
2057: if (rcs_access_add(rfp, RCS_TOKSTR(rfp)) < 0)
2058: return (-1);
1.1 jfb 2059: }
2060:
2061: return (0);
2062: }
2063:
2064: /*
2065: * rcs_parse_symbols()
2066: *
2067: * Parse the symbol list given as value to the `symbols' keyword.
2068: * Returns 0 on success, or -1 on failure.
2069: */
2070: static int
2071: rcs_parse_symbols(RCSFILE *rfp)
2072: {
2073: int type;
2074: struct rcs_sym *symp;
2075:
2076: for (;;) {
2077: type = rcs_gettok(rfp);
2078: if (type == RCS_TOK_SCOLON)
2079: break;
2080:
1.41 jfb 2081: if (type != RCS_TOK_ID) {
1.50 jfb 2082: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2083: cvs_log(LP_ERR, "unexpected token `%s' in symbol list",
2084: RCS_TOKSTR(rfp));
2085: return (-1);
2086: }
2087:
1.110 joris 2088: symp = (struct rcs_sym *)xmalloc(sizeof(*symp));
2089: symp->rs_name = xstrdup(RCS_TOKSTR(rfp));
1.1 jfb 2090: symp->rs_num = rcsnum_alloc();
2091:
2092: type = rcs_gettok(rfp);
2093: if (type != RCS_TOK_COLON) {
1.50 jfb 2094: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2095: cvs_log(LP_ERR, "unexpected token `%s' in symbol list",
2096: RCS_TOKSTR(rfp));
1.11 joris 2097: rcsnum_free(symp->rs_num);
1.110 joris 2098: xfree(symp->rs_name);
2099: xfree(symp);
1.1 jfb 2100: return (-1);
2101: }
2102:
2103: type = rcs_gettok(rfp);
2104: if (type != RCS_TOK_NUM) {
1.50 jfb 2105: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2106: cvs_log(LP_ERR, "unexpected token `%s' in symbol list",
2107: RCS_TOKSTR(rfp));
1.11 joris 2108: rcsnum_free(symp->rs_num);
1.110 joris 2109: xfree(symp->rs_name);
2110: xfree(symp);
1.1 jfb 2111: return (-1);
2112: }
2113:
2114: if (rcsnum_aton(RCS_TOKSTR(rfp), NULL, symp->rs_num) < 0) {
2115: cvs_log(LP_ERR, "failed to parse RCS NUM `%s'",
2116: RCS_TOKSTR(rfp));
1.11 joris 2117: rcsnum_free(symp->rs_num);
1.110 joris 2118: xfree(symp->rs_name);
2119: xfree(symp);
1.1 jfb 2120: return (-1);
2121: }
2122:
1.43 jfb 2123: TAILQ_INSERT_TAIL(&(rfp->rf_symbols), symp, rs_list);
1.1 jfb 2124: }
2125:
2126: return (0);
2127: }
2128:
2129: /*
2130: * rcs_parse_locks()
2131: *
2132: * Parse the lock list given as value to the `locks' keyword.
2133: * Returns 0 on success, or -1 on failure.
2134: */
2135: static int
2136: rcs_parse_locks(RCSFILE *rfp)
2137: {
2138: int type;
2139: struct rcs_lock *lkp;
2140:
2141: for (;;) {
2142: type = rcs_gettok(rfp);
2143: if (type == RCS_TOK_SCOLON)
2144: break;
2145:
2146: if (type != RCS_TOK_ID) {
1.50 jfb 2147: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2148: cvs_log(LP_ERR, "unexpected token `%s' in lock list",
2149: RCS_TOKSTR(rfp));
2150: return (-1);
2151: }
2152:
1.110 joris 2153: lkp = (struct rcs_lock *)xmalloc(sizeof(*lkp));
2154: lkp->rl_name = xstrdup(RCS_TOKSTR(rfp));
1.1 jfb 2155: lkp->rl_num = rcsnum_alloc();
2156:
2157: type = rcs_gettok(rfp);
2158: if (type != RCS_TOK_COLON) {
1.50 jfb 2159: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2160: cvs_log(LP_ERR, "unexpected token `%s' in symbol list",
2161: RCS_TOKSTR(rfp));
1.37 tedu 2162: rcsnum_free(lkp->rl_num);
1.110 joris 2163: xfree(lkp->rl_name);
2164: xfree(lkp);
1.1 jfb 2165: return (-1);
2166: }
2167:
2168: type = rcs_gettok(rfp);
2169: if (type != RCS_TOK_NUM) {
1.50 jfb 2170: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2171: cvs_log(LP_ERR, "unexpected token `%s' in symbol list",
2172: RCS_TOKSTR(rfp));
1.37 tedu 2173: rcsnum_free(lkp->rl_num);
1.110 joris 2174: xfree(lkp->rl_name);
2175: xfree(lkp);
1.1 jfb 2176: return (-1);
2177: }
2178:
2179: if (rcsnum_aton(RCS_TOKSTR(rfp), NULL, lkp->rl_num) < 0) {
2180: cvs_log(LP_ERR, "failed to parse RCS NUM `%s'",
2181: RCS_TOKSTR(rfp));
1.37 tedu 2182: rcsnum_free(lkp->rl_num);
1.110 joris 2183: xfree(lkp->rl_name);
2184: xfree(lkp);
1.1 jfb 2185: return (-1);
2186: }
2187:
2188: TAILQ_INSERT_HEAD(&(rfp->rf_locks), lkp, rl_list);
2189: }
2190:
2191: /* check if we have a `strict' */
2192: type = rcs_gettok(rfp);
2193: if (type != RCS_TOK_STRICT) {
2194: rcs_pushtok(rfp, RCS_TOKSTR(rfp), type);
1.14 deraadt 2195: } else {
1.26 jfb 2196: rfp->rf_flags |= RCS_SLOCK;
1.1 jfb 2197:
2198: type = rcs_gettok(rfp);
2199: if (type != RCS_TOK_SCOLON) {
1.50 jfb 2200: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2201: cvs_log(LP_ERR,
2202: "missing semi-colon after `strict' keyword");
2203: return (-1);
2204: }
2205: }
2206:
2207: return (0);
2208: }
2209:
2210: /*
2211: * rcs_parse_branches()
2212: *
2213: * Parse the list of branches following a `branches' keyword in a delta.
2214: * Returns 0 on success, or -1 on failure.
2215: */
2216: static int
2217: rcs_parse_branches(RCSFILE *rfp, struct rcs_delta *rdp)
2218: {
2219: int type;
2220: struct rcs_branch *brp;
2221:
2222: for (;;) {
2223: type = rcs_gettok(rfp);
2224: if (type == RCS_TOK_SCOLON)
2225: break;
2226:
2227: if (type != RCS_TOK_NUM) {
1.50 jfb 2228: rcs_errno = RCS_ERR_PARSE;
1.1 jfb 2229: cvs_log(LP_ERR,
2230: "unexpected token `%s' in list of branches",
2231: RCS_TOKSTR(rfp));
2232: return (-1);
2233: }
2234:
1.110 joris 2235: brp = (struct rcs_branch *)xmalloc(sizeof(*brp));
1.46 jfb 2236: brp->rb_num = rcsnum_parse(RCS_TOKSTR(rfp));
1.11 joris 2237: if (brp->rb_num == NULL) {
1.110 joris 2238: xfree(brp);
1.11 joris 2239: return (-1);
2240: }
1.1 jfb 2241:
2242: TAILQ_INSERT_TAIL(&(rdp->rd_branches), brp, rb_list);
2243: }
2244:
2245: return (0);
2246: }
2247:
2248: /*
2249: * rcs_freedelta()
2250: *
2251: * Free the contents of a delta structure.
2252: */
1.18 jfb 2253: static void
1.1 jfb 2254: rcs_freedelta(struct rcs_delta *rdp)
2255: {
1.12 jfb 2256: struct rcs_branch *rb;
1.1 jfb 2257: struct rcs_delta *crdp;
2258:
1.12 jfb 2259: if (rdp->rd_num != NULL)
2260: rcsnum_free(rdp->rd_num);
2261: if (rdp->rd_next != NULL)
2262: rcsnum_free(rdp->rd_next);
2263:
1.1 jfb 2264: if (rdp->rd_author != NULL)
1.110 joris 2265: xfree(rdp->rd_author);
1.109 joris 2266: if (rdp->rd_locker != NULL)
1.110 joris 2267: xfree(rdp->rd_locker);
1.1 jfb 2268: if (rdp->rd_state != NULL)
1.110 joris 2269: xfree(rdp->rd_state);
1.1 jfb 2270: if (rdp->rd_log != NULL)
1.110 joris 2271: xfree(rdp->rd_log);
1.1 jfb 2272: if (rdp->rd_text != NULL)
1.110 joris 2273: xfree(rdp->rd_text);
1.12 jfb 2274:
2275: while ((rb = TAILQ_FIRST(&(rdp->rd_branches))) != NULL) {
2276: TAILQ_REMOVE(&(rdp->rd_branches), rb, rb_list);
2277: rcsnum_free(rb->rb_num);
1.110 joris 2278: xfree(rb);
1.12 jfb 2279: }
1.1 jfb 2280:
2281: while ((crdp = TAILQ_FIRST(&(rdp->rd_snodes))) != NULL) {
2282: TAILQ_REMOVE(&(rdp->rd_snodes), crdp, rd_list);
2283: rcs_freedelta(crdp);
2284: }
2285:
1.110 joris 2286: xfree(rdp);
1.1 jfb 2287: }
2288:
2289: /*
2290: * rcs_freepdata()
2291: *
2292: * Free the contents of the parser data structure.
2293: */
2294: static void
2295: rcs_freepdata(struct rcs_pdata *pd)
2296: {
2297: if (pd->rp_file != NULL)
2298: (void)fclose(pd->rp_file);
2299: if (pd->rp_buf != NULL)
1.110 joris 2300: xfree(pd->rp_buf);
2301: xfree(pd);
1.1 jfb 2302: }
2303:
2304: /*
2305: * rcs_gettok()
2306: *
2307: * Get the next RCS token from the string <str>.
2308: */
2309: static int
2310: rcs_gettok(RCSFILE *rfp)
2311: {
2312: u_int i;
2313: int ch, last, type;
1.18 jfb 2314: size_t len;
2315: char *bp;
1.1 jfb 2316: struct rcs_pdata *pdp = (struct rcs_pdata *)rfp->rf_pdata;
2317:
2318: type = RCS_TOK_ERR;
2319: bp = pdp->rp_buf;
1.42 jfb 2320: pdp->rp_tlen = 0;
1.1 jfb 2321: *bp = '\0';
2322:
2323: if (pdp->rp_pttype != RCS_TOK_ERR) {
2324: type = pdp->rp_pttype;
2325: strlcpy(pdp->rp_buf, pdp->rp_ptok, pdp->rp_blen);
2326: pdp->rp_pttype = RCS_TOK_ERR;
2327: return (type);
2328: }
2329:
2330: /* skip leading whitespace */
2331: /* XXX we must skip backspace too for compatibility, should we? */
2332: do {
2333: ch = getc(pdp->rp_file);
2334: if (ch == '\n')
1.18 jfb 2335: pdp->rp_lines++;
1.1 jfb 2336: } while (isspace(ch));
2337:
2338: if (ch == EOF) {
2339: type = RCS_TOK_EOF;
1.14 deraadt 2340: } else if (ch == ';') {
1.1 jfb 2341: type = RCS_TOK_SCOLON;
1.14 deraadt 2342: } else if (ch == ':') {
1.1 jfb 2343: type = RCS_TOK_COLON;
1.14 deraadt 2344: } else if (isalpha(ch)) {
1.31 jfb 2345: type = RCS_TOK_ID;
1.1 jfb 2346: *(bp++) = ch;
1.18 jfb 2347: for (;;) {
1.1 jfb 2348: ch = getc(pdp->rp_file);
1.11 joris 2349: if (!isalnum(ch) && ch != '_' && ch != '-') {
1.1 jfb 2350: ungetc(ch, pdp->rp_file);
2351: break;
2352: }
2353: *(bp++) = ch;
1.42 jfb 2354: pdp->rp_tlen++;
1.18 jfb 2355: if (bp == pdp->rp_bufend - 1) {
2356: len = bp - pdp->rp_buf;
2357: if (rcs_growbuf(rfp) < 0) {
2358: type = RCS_TOK_ERR;
2359: break;
2360: }
2361: bp = pdp->rp_buf + len;
2362: }
1.1 jfb 2363: }
2364: *bp = '\0';
2365:
1.18 jfb 2366: if (type != RCS_TOK_ERR) {
2367: for (i = 0; i < RCS_NKEYS; i++) {
2368: if (strcmp(rcs_keys[i].rk_str,
2369: pdp->rp_buf) == 0) {
2370: type = rcs_keys[i].rk_id;
2371: break;
2372: }
1.1 jfb 2373: }
2374: }
1.14 deraadt 2375: } else if (ch == '@') {
1.1 jfb 2376: /* we have a string */
1.18 jfb 2377: type = RCS_TOK_STRING;
1.1 jfb 2378: for (;;) {
2379: ch = getc(pdp->rp_file);
2380: if (ch == '@') {
2381: ch = getc(pdp->rp_file);
2382: if (ch != '@') {
2383: ungetc(ch, pdp->rp_file);
2384: break;
2385: }
1.14 deraadt 2386: } else if (ch == '\n')
1.18 jfb 2387: pdp->rp_lines++;
1.1 jfb 2388:
2389: *(bp++) = ch;
1.42 jfb 2390: pdp->rp_tlen++;
1.18 jfb 2391: if (bp == pdp->rp_bufend - 1) {
2392: len = bp - pdp->rp_buf;
2393: if (rcs_growbuf(rfp) < 0) {
2394: type = RCS_TOK_ERR;
2395: break;
2396: }
2397: bp = pdp->rp_buf + len;
2398: }
1.1 jfb 2399: }
2400:
2401: *bp = '\0';
1.14 deraadt 2402: } else if (isdigit(ch)) {
1.1 jfb 2403: *(bp++) = ch;
2404: last = ch;
2405: type = RCS_TOK_NUM;
2406:
2407: for (;;) {
2408: ch = getc(pdp->rp_file);
1.18 jfb 2409: if (bp == pdp->rp_bufend)
1.1 jfb 2410: break;
2411: if (!isdigit(ch) && ch != '.') {
2412: ungetc(ch, pdp->rp_file);
2413: break;
2414: }
2415:
2416: if (last == '.' && ch == '.') {
2417: type = RCS_TOK_ERR;
2418: break;
2419: }
2420: last = ch;
2421: *(bp++) = ch;
1.42 jfb 2422: pdp->rp_tlen++;
1.1 jfb 2423: }
1.18 jfb 2424: *bp = '\0';
1.1 jfb 2425: }
2426:
2427: return (type);
2428: }
2429:
2430: /*
2431: * rcs_pushtok()
2432: *
2433: * Push a token back in the parser's token buffer.
2434: */
2435: static int
2436: rcs_pushtok(RCSFILE *rfp, const char *tok, int type)
2437: {
2438: struct rcs_pdata *pdp = (struct rcs_pdata *)rfp->rf_pdata;
2439:
2440: if (pdp->rp_pttype != RCS_TOK_ERR)
2441: return (-1);
2442:
2443: pdp->rp_pttype = type;
2444: strlcpy(pdp->rp_ptok, tok, sizeof(pdp->rp_ptok));
2445: return (0);
2446: }
2447:
1.18 jfb 2448:
2449: /*
2450: * rcs_growbuf()
2451: *
2452: * Attempt to grow the internal parse buffer for the RCS file <rf> by
2453: * RCS_BUFEXTSIZE.
2454: * In case of failure, the original buffer is left unmodified.
2455: * Returns 0 on success, or -1 on failure.
2456: */
2457: static int
2458: rcs_growbuf(RCSFILE *rf)
2459: {
2460: void *tmp;
2461: struct rcs_pdata *pdp = (struct rcs_pdata *)rf->rf_pdata;
2462:
1.119 niallo 2463: tmp = xrealloc(pdp->rp_buf, pdp->rp_blen + RCS_BUFEXTSIZE);
1.18 jfb 2464: if (tmp == NULL) {
1.50 jfb 2465: rcs_errno = RCS_ERR_ERRNO;
1.18 jfb 2466: cvs_log(LP_ERRNO, "failed to grow RCS parse buffer");
2467: return (-1);
2468: }
2469:
2470: pdp->rp_buf = (char *)tmp;
2471: pdp->rp_blen += RCS_BUFEXTSIZE;
2472: pdp->rp_bufend = pdp->rp_buf + pdp->rp_blen - 1;
1.42 jfb 2473:
2474: return (0);
2475: }
2476:
2477: /*
2478: * rcs_strprint()
2479: *
2480: * Output an RCS string <str> of size <slen> to the stream <stream>. Any
2481: * '@' characters are escaped. Otherwise, the string can contain arbitrary
2482: * binary data.
2483: */
2484: static int
2485: rcs_strprint(const u_char *str, size_t slen, FILE *stream)
2486: {
2487: const u_char *ap, *ep, *sp;
2488: size_t ret;
1.52 jfb 2489:
2490: if (slen == 0)
2491: return (0);
1.42 jfb 2492:
2493: ep = str + slen - 1;
2494:
2495: for (sp = str; sp <= ep;) {
2496: ap = memchr(sp, '@', ep - sp);
2497: if (ap == NULL)
2498: ap = ep;
2499: ret = fwrite(sp, sizeof(u_char), ap - sp + 1, stream);
2500:
2501: if (*ap == '@')
2502: putc('@', stream);
2503: sp = ap + 1;
1.63 joris 2504: }
2505:
2506: return (0);
2507: }
2508:
2509: /*
2510: * rcs_expand_keywords()
2511: *
1.125 niallo 2512: * Return expansion any RCS keywords in <data>
2513: *
2514: * On error, return NULL.
1.63 joris 2515: */
1.125 niallo 2516: static char *
2517: rcs_expand_keywords(char *rcsfile, struct rcs_delta *rdp, char *data,
1.63 joris 2518: size_t len, int mode)
2519: {
1.125 niallo 2520: int kwtype, sizdiff;
2521: u_int i, j, found, start_offset, c_offset;
1.140 xsa 2522: char *c, *kwstr, *start, *end, *tbuf;
1.125 niallo 2523: char expbuf[256], buf[256];
1.140 xsa 2524: struct tm *tb;
1.134 joris 2525: char *fmt;
1.63 joris 2526:
1.65 niallo 2527: kwtype = 0;
2528: kwstr = NULL;
1.63 joris 2529: i = 0;
2530:
2531: /*
1.134 joris 2532: * -z support for RCS
2533: */
2534: tb = &rdp->rd_date;
1.140 xsa 2535: if (timezone_flag != NULL)
2536: tb = rcs_set_tz(timezone_flag, rdp);
1.134 joris 2537:
2538: /*
1.63 joris 2539: * Keyword formats:
2540: * $Keyword$
2541: * $Keyword: value$
2542: */
1.144 deraadt 2543: for (c = data; *c != '\0' && i < len; c++) {
1.63 joris 2544: if (*c == '$') {
2545: /* remember start of this possible keyword */
2546: start = c;
1.125 niallo 2547: start_offset = start - data;
1.63 joris 2548:
2549: /* first following character has to be alphanumeric */
1.144 deraadt 2550: c++;
1.63 joris 2551: if (!isalpha(*c)) {
2552: c = start;
2553: continue;
2554: }
2555:
2556: /* look for any matching keywords */
2557: found = 0;
2558: for (j = 0; j < RCS_NKWORDS; j++) {
2559: if (!strncmp(c, rcs_expkw[j].kw_str,
2560: strlen(rcs_expkw[j].kw_str))) {
2561: found = 1;
2562: kwstr = rcs_expkw[j].kw_str;
2563: kwtype = rcs_expkw[j].kw_type;
2564: break;
2565: }
2566: }
2567:
2568: /* unknown keyword, continue looking */
2569: if (found == 0) {
2570: c = start;
2571: continue;
2572: }
2573:
2574: /* next character has to be ':' or '$' */
2575: c += strlen(kwstr);
2576: if (*c != ':' && *c != '$') {
2577: c = start;
2578: continue;
2579: }
2580:
2581: /*
2582: * if the next character was ':' we need to look for
2583: * an '$' before the end of the line to be sure it is
2584: * in fact a keyword.
2585: */
2586: if (*c == ':') {
2587: while (*c++) {
2588: if (*c == '$' || *c == '\n')
2589: break;
2590: }
2591:
2592: if (*c != '$') {
2593: c = start;
2594: continue;
2595: }
2596: }
1.125 niallo 2597: c_offset = c - data;
2598: end = c + 1;
1.63 joris 2599:
2600: /* start constructing the expansion */
2601: expbuf[0] = '\0';
2602:
2603: if (mode & RCS_KWEXP_NAME) {
2604: strlcat(expbuf, "$", sizeof(expbuf));
2605: strlcat(expbuf, kwstr, sizeof(expbuf));
2606: if (mode & RCS_KWEXP_VAL)
2607: strlcat(expbuf, ": ", sizeof(expbuf));
2608: }
2609:
2610: /*
1.80 reyk 2611: * order matters because of RCS_KW_ID and
2612: * RCS_KW_HEADER here
1.63 joris 2613: */
2614: if (mode & RCS_KWEXP_VAL) {
2615: if (kwtype & RCS_KW_RCSFILE) {
2616: if (!(kwtype & RCS_KW_FULLPATH))
1.80 reyk 2617: strlcat(expbuf,
2618: basename(rcsfile),
1.63 joris 2619: sizeof(expbuf));
2620: else
2621: strlcat(expbuf, rcsfile,
2622: sizeof(expbuf));
2623: strlcat(expbuf, " ", sizeof(expbuf));
2624: }
2625:
2626: if (kwtype & RCS_KW_REVISION) {
1.80 reyk 2627: rcsnum_tostr(rdp->rd_num, buf,
2628: sizeof(buf));
1.63 joris 2629: strlcat(buf, " ", sizeof(buf));
2630: strlcat(expbuf, buf, sizeof(expbuf));
2631: }
2632:
2633: if (kwtype & RCS_KW_DATE) {
1.134 joris 2634: if (timezone_flag != NULL)
2635: fmt = "%Y/%m/%d %H:%M:%S%z ";
2636: else
2637: fmt = "%Y/%m/%d %H:%M:%S ";
2638:
2639: strftime(buf, sizeof(buf), fmt, tb);
1.63 joris 2640: strlcat(expbuf, buf, sizeof(expbuf));
2641: }
2642:
2643: if (kwtype & RCS_KW_AUTHOR) {
2644: strlcat(expbuf, rdp->rd_author,
2645: sizeof(expbuf));
2646: strlcat(expbuf, " ", sizeof(expbuf));
2647: }
2648:
2649: if (kwtype & RCS_KW_STATE) {
2650: strlcat(expbuf, rdp->rd_state,
2651: sizeof(expbuf));
2652: strlcat(expbuf, " ", sizeof(expbuf));
2653: }
2654:
2655: /* order does not matter anymore below */
2656: if (kwtype & RCS_KW_LOG)
2657: strlcat(expbuf, " ", sizeof(expbuf));
2658:
2659: if (kwtype & RCS_KW_SOURCE) {
1.80 reyk 2660: strlcat(expbuf, rcsfile,
2661: sizeof(expbuf));
1.63 joris 2662: strlcat(expbuf, " ", sizeof(expbuf));
2663: }
2664:
2665: if (kwtype & RCS_KW_NAME)
2666: strlcat(expbuf, " ", sizeof(expbuf));
2667: }
2668:
2669: /* end the expansion */
2670: if (mode & RCS_KWEXP_NAME)
2671: strlcat(expbuf, "$", sizeof(expbuf));
1.138 deraadt 2672:
1.125 niallo 2673: sizdiff = strlen(expbuf) - (end - start);
2674: tbuf = xmalloc(strlen(end) + 1);
2675: strlcpy(tbuf, end, strlen(end) + 1);
2676: /* only realloc if we have to */
2677: if (sizdiff > 0) {
2678: len += sizdiff;
2679: data = xrealloc(data, len);
2680: /*
2681: * ensure string pointers are not invalidated
2682: * after realloc()
2683: */
2684: start = data + start_offset;
2685: c = data + c_offset;
2686: }
2687: strlcpy(start, expbuf, len);
2688: strlcat(data, tbuf, len);
2689: xfree(tbuf);
1.63 joris 2690: i += strlen(expbuf);
2691: }
1.42 jfb 2692: }
1.81 niallo 2693:
1.125 niallo 2694: return (data);
1.81 niallo 2695: }
2696:
2697: /*
2698: * rcs_deltatext_set()
2699: *
2700: * Set deltatext for <rev> in RCS file <rfp> to <dtext>
1.96 xsa 2701: * Returns -1 on error, 0 on success.
1.81 niallo 2702: */
2703: int
2704: rcs_deltatext_set(RCSFILE *rfp, RCSNUM *rev, const char *dtext)
2705: {
2706: size_t len;
2707: struct rcs_delta *rdp;
1.117 niallo 2708:
2709: /* Write operations require full parsing */
2710: rcs_parse_deltatexts(rfp, NULL);
1.81 niallo 2711:
2712: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
2713: return (-1);
2714:
2715: if (rdp->rd_text != NULL)
1.110 joris 2716: xfree(rdp->rd_text);
1.81 niallo 2717:
2718: len = strlen(dtext);
1.103 joris 2719: if (len != 0) {
1.110 joris 2720: rdp->rd_text = (u_char *)xmalloc(len);
1.103 joris 2721: rdp->rd_tlen = len - 1;
2722: strlcpy(rdp->rd_text, dtext, len);
2723: } else {
2724: rdp->rd_text = NULL;
2725: rdp->rd_tlen = 0;
2726: }
1.18 jfb 2727:
1.86 joris 2728: return (0);
2729: }
2730:
2731: /*
2732: * rcs_rev_setlog()
2733: *
2734: * Sets the log message of revision <rev> to <logtext>
2735: */
2736: int
2737: rcs_rev_setlog(RCSFILE *rfp, RCSNUM *rev, const char *logtext)
2738: {
2739: struct rcs_delta *rdp;
2740: char buf[16];
2741:
2742: rcsnum_tostr(rev, buf, sizeof(buf));
2743:
2744: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
2745: return (-1);
2746:
2747: if (rdp->rd_log != NULL)
1.110 joris 2748: xfree(rdp->rd_log);
1.86 joris 2749:
1.110 joris 2750: rdp->rd_log = xstrdup(logtext);
1.86 joris 2751: rfp->rf_flags &= ~RCS_SYNCED;
1.95 niallo 2752: return (0);
2753: }
1.97 niallo 2754: /*
2755: * rcs_rev_getdate()
2756: *
2757: * Get the date corresponding to a given revision.
2758: * Returns the date on success, -1 on failure.
2759: */
2760: time_t
2761: rcs_rev_getdate(RCSFILE *rfp, RCSNUM *rev)
2762: {
2763: struct rcs_delta *rdp;
2764:
2765: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
2766: return (-1);
2767:
2768: return (mktime(&rdp->rd_date));
2769: }
1.95 niallo 2770:
2771: /*
2772: * rcs_state_set()
2773: *
2774: * Sets the state of revision <rev> to <state>
2775: * NOTE: default state is 'Exp'. States may not contain spaces.
2776: *
2777: * Returns -1 on failure, 0 on success.
2778: */
2779: int
2780: rcs_state_set(RCSFILE *rfp, RCSNUM *rev, const char *state)
2781: {
2782: struct rcs_delta *rdp;
2783:
2784: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
2785: return (-1);
2786:
2787: if (rdp->rd_state != NULL)
1.110 joris 2788: xfree(rdp->rd_state);
1.95 niallo 2789:
1.110 joris 2790: rdp->rd_state = xstrdup(state);
1.95 niallo 2791:
2792: rfp->rf_flags &= ~RCS_SYNCED;
2793:
2794: return (0);
2795: }
2796:
2797: /*
2798: * rcs_state_check()
2799: *
2800: * Check if string <state> is valid.
2801: *
1.96 xsa 2802: * Returns 0 if the string is valid, -1 otherwise.
1.95 niallo 2803: */
2804: int
2805: rcs_state_check(const char *state)
2806: {
2807: if (strchr(state, ' ') != NULL)
2808: return (-1);
2809:
1.18 jfb 2810: return (0);
1.1 jfb 2811: }
1.97 niallo 2812:
2813: /*
2814: * rcs_state_get()
2815: *
2816: * Get the state for a given revision of a specified RCSFILE.
2817: *
2818: * Returns NULL on failure.
2819: */
2820: const char *
2821: rcs_state_get(RCSFILE *rfp, RCSNUM *rev)
2822: {
2823: struct rcs_delta *rdp;
2824:
2825: if ((rdp = rcs_findrev(rfp, rev)) == NULL)
2826: return (NULL);
2827:
2828: return (rdp->rd_state);
2829: }
2830:
1.131 niallo 2831: /*
2832: * rcs_kwexp_buf()
2833: *
2834: * Do keyword expansion on a buffer if necessary
2835: *
2836: */
2837: BUF *
2838: rcs_kwexp_buf(BUF *bp, RCSFILE *rf, RCSNUM *rev)
2839: {
2840: struct rcs_delta *rdp;
2841: char *expanded, *tbuf;
2842: int expmode;
2843: size_t len;
2844:
2845: /*
2846: * Do keyword expansion if required.
2847: */
2848: if (rf->rf_expand != NULL)
2849: expmode = rcs_kwexp_get(rf);
2850: else
2851: expmode = RCS_KWEXP_DEFAULT;
2852:
2853: if (!(expmode & RCS_KWEXP_NONE)) {
2854: if ((rdp = rcs_findrev(rf, rev)) == NULL)
2855: fatal("could not fetch revision");
2856: cvs_buf_putc(bp, '\0');
2857: len = cvs_buf_len(bp);
2858: tbuf = cvs_buf_release(bp);
2859: expanded = rcs_expand_keywords(rf->rf_path, rdp,
2860: tbuf, len, expmode);
2861: bp = cvs_buf_alloc(len, BUF_AUTOEXT);
1.138 deraadt 2862: cvs_buf_set(bp, expanded, strlen(expanded), 0);
1.131 niallo 2863: xfree(expanded);
2864: }
2865: return (bp);
2866: }
2867:
1.105 joris 2868:
1.106 joris 2869: #if !defined(RCSPROG)
2870:
1.105 joris 2871: static char *month_tab[] = {
2872: "Jan",
2873: "Feb",
2874: "Mar",
2875: "Apr",
2876: "May",
2877: "Jun",
2878: "Jul",
2879: "Aug",
2880: "Sep",
2881: "Oct",
2882: "Nov",
2883: "Dec"
2884: };
2885:
2886: /*
2887: * Checkout a certain revision <rev> of RCS file <rf> to either standard
2888: * output when running in server mode, or to <fpath> when running in local mode.
2889: *
2890: * If type is CHECKOUT_REV_MERGED we have an extra argument, which
2891: * is the buffer containing the merged file.
2892: *
2893: * If type is CHECKOUT_REV_REMOVED, the file has been removed and we
2894: * need to do the same thing.
2895: */
2896: int
2897: cvs_checkout_rev(RCSFILE *rf, RCSNUM *rev, CVSFILE *cf, char *fpath,
2898: int local, int type, ...)
2899: {
2900: BUF *bp;
2901: int l, ret, fsize;
2902: char timebuf[32], entry[MAXPATHLEN], copyfile[MAXPATHLEN];
2903: char *content, *repo, buf[MAXPATHLEN], modestr[16];
2904: struct cvsroot *root;
2905: struct cvs_ent *ent;
2906: va_list ap;
2907: time_t rcstime;
2908: struct timeval tv[2];
2909: struct tm *tp;
2910: RCSNUM *oldrev;
2911:
2912: bp = NULL;
2913: ret = -1;
2914: content = NULL;
2915: oldrev = NULL;
2916:
2917: if ((type != CHECKOUT_REV_MERGED) && (type != CHECKOUT_REV_REMOVED)) {
2918: /* fetch the contents of the revision */
2919: if ((bp = rcs_getrev(rf, rev)) == NULL) {
2920: cvs_log(LP_ERR, "revision '%s' not found in file '%s'",
2921: rcsnum_tostr(rev, buf, sizeof(buf)), fpath);
2922: goto out;
2923: }
1.131 niallo 2924: bp = rcs_kwexp_buf(bp, rf, rev);
1.105 joris 2925: } else if (type != CHECKOUT_REV_REMOVED) {
2926: va_start(ap, type);
2927: bp = va_arg(ap, BUF *);
2928: va_end(ap);
2929: }
2930:
2931: if (type == CHECKOUT_REV_CREATED)
2932: rcstime = rcs_rev_getdate(rf, rev);
1.108 joris 2933: else if (type == CHECKOUT_REV_MERGED ||
2934: type == CHECKOUT_REV_UPDATED) {
1.105 joris 2935: time(&rcstime);
1.108 joris 2936: if ((rcstime = cvs_hack_time(rcstime, 1)) < 0)
2937: goto out;
2938: }
1.105 joris 2939:
1.108 joris 2940: if (type == CHECKOUT_REV_CREATED ||
1.130 niallo 2941: type == CHECKOUT_REV_MERGED ||
1.108 joris 2942: type == CHECKOUT_REV_UPDATED) {
1.105 joris 2943: ctime_r(&rcstime, timebuf);
2944: l = strlen(timebuf);
2945: if ((l > 0) && (timebuf[l - 1] == '\n'))
2946: timebuf[--l] = '\0';
2947:
2948: l = snprintf(entry, sizeof(entry), "/%s/%s/%s/%s/", cf->cf_name,
2949: rcsnum_tostr(rev, buf, sizeof(buf)),
2950: (local == 1) ? timebuf : "",
2951: (type == CHECKOUT_REV_MERGED) ? "+=" : "");
2952: if (l == -1 || l >= (int)sizeof(buf))
2953: goto out;
2954: }
2955:
2956: if (type == CHECKOUT_REV_MERGED) {
1.111 joris 2957: oldrev = rcsnum_alloc();
2958: rcsnum_cpy(rev, oldrev, 0);
1.105 joris 2959:
1.143 niallo 2960: if (oldrev->rn_id[oldrev->rn_len - 1] <= 0)
1.105 joris 2961: goto out;
1.143 niallo 2962: oldrev = rcsnum_dec(oldrev);
1.105 joris 2963:
2964: l = snprintf(copyfile, sizeof(copyfile), ".#%s.%s",
2965: cf->cf_name, rcsnum_tostr(oldrev, buf, sizeof(buf)));
2966: if (l == -1 || l >= (int)sizeof(copyfile))
2967: goto out;
2968: }
2969:
2970: root = CVS_DIR_ROOT(cf);
2971: repo = CVS_DIR_REPO(cf);
2972:
2973: /*
2974: * In local mode, just copy the entire contents to fpath.
2975: * In server mode, we need to send it to the client together with
2976: * some responses.
2977: */
2978: if (local) {
2979: l = 0;
2980: if (cf->cf_entry == NULL) {
2981: l = 1;
2982: cf->cf_entry = cvs_ent_open(cf->cf_dir, O_RDWR);
2983: if (cf->cf_entry == NULL) {
1.122 reyk 2984: cvs_log(LP_ERR, "failed to open Entry "
2985: "file '%s'", cf->cf_dir);
1.105 joris 2986: goto out;
2987: }
2988: }
2989:
2990: cvs_ent_remove(cf->cf_entry, cf->cf_name, 1);
2991: if (type != CHECKOUT_REV_REMOVED) {
2992: cvs_ent_addln(cf->cf_entry, entry);
2993: ent = cvs_ent_get(cf->cf_entry, cf->cf_name);
2994: ent->processed = 1;
2995: }
2996:
2997: if (l == 1)
2998: cvs_ent_close(cf->cf_entry);
2999:
3000: switch (type) {
3001: case CHECKOUT_REV_REMOVED:
3002: if (cvs_unlink(fpath) < 0)
3003: goto out;
3004: break;
3005: case CHECKOUT_REV_MERGED:
3006: /* XXX move the old file when merging */
1.108 joris 3007: case CHECKOUT_REV_UPDATED:
1.105 joris 3008: case CHECKOUT_REV_CREATED:
1.114 xsa 3009: cvs_buf_write(bp, fpath, cf->cf_mode);
1.107 joris 3010: /*
3011: * correct the time first
3012: */
3013: if ((rcstime = cvs_hack_time(rcstime, 0)) == 0)
3014: goto out;
3015:
1.105 joris 3016: tv[0].tv_sec = rcstime;
3017: tv[0].tv_usec = 0;
3018: tv[1] = tv[0];
3019: if (utimes(fpath, tv) == -1)
3020: cvs_log(LP_ERRNO, "failed to set timestamps");
3021: break;
3022: }
3023: } else {
3024: /* sanity */
3025: if (cf->cf_type != DT_REG) {
3026: cvs_log(LP_ERR, "cvs_checkout_rev: none DT_REG file");
3027: goto out;
3028: }
3029:
3030: /*
3031: * if we are removing a file, we don't need this stuff.
3032: */
3033: if (type != CHECKOUT_REV_REMOVED) {
1.107 joris 3034: if ((rcstime = cvs_hack_time(rcstime, 0)) == 0)
3035: goto out;
3036:
1.105 joris 3037: tp = gmtime(&rcstime);
3038: l = snprintf(timebuf, sizeof(timebuf),
3039: "%02d %s %d %02d:%02d:%02d -0000",
3040: tp->tm_mday, month_tab[tp->tm_mon],
3041: tp->tm_year + 1900, tp->tm_hour,
3042: tp->tm_min, tp->tm_sec);
3043: if (l == -1 || l >= (int)sizeof(timebuf))
3044: goto out;
3045:
3046: fsize = cvs_buf_len(bp);
3047: cvs_modetostr(cf->cf_mode, modestr, sizeof(modestr));
1.114 xsa 3048: cvs_buf_putc(bp, '\0');
1.105 joris 3049: content = cvs_buf_release(bp);
3050: bp = NULL;
3051: }
3052:
3053: if (type == CHECKOUT_REV_MERGED) {
3054: printf("Copy-file %s/\n", (cf->cf_dir != NULL) ?
3055: cf->cf_dir : ".");
3056: printf("%s/%s/%s\n", root->cr_dir, repo, cf->cf_name);
3057: printf("%s\n", copyfile);
3058: }
3059:
3060: switch (type) {
3061: case CHECKOUT_REV_MERGED:
3062: printf("Merged");
3063: break;
3064: case CHECKOUT_REV_REMOVED:
3065: printf("Removed");
3066: break;
3067: case CHECKOUT_REV_CREATED:
3068: printf("Mod-time %s\n", timebuf);
3069: printf("Created");
3070: break;
3071: default:
3072: cvs_log(LP_ERR, "cvs_checkout_rev: bad type %d",
3073: type);
3074: goto out;
3075: }
3076:
3077: printf(" %s/\n", (cf->cf_dir != NULL) ? cf->cf_dir : ".");
3078: printf("%s/%s\n", repo, cf->cf_name);
3079:
3080: if (type != CHECKOUT_REV_REMOVED) {
3081: printf("%s\n", entry);
3082: printf("%s\n%d\n%s", modestr, fsize, content);
3083: }
3084: }
3085:
3086: ret = 0;
3087:
3088: out:
3089: if (oldrev != NULL)
3090: rcsnum_free(oldrev);
3091: if (bp != NULL)
3092: cvs_buf_free(bp);
3093: if (content != NULL)
1.110 joris 3094: xfree(content);
1.105 joris 3095:
3096: return (ret);
3097: }
1.106 joris 3098:
3099: #endif