Annotation of src/usr.bin/cvs/entries.c, Revision 1.74
1.74 ! otto 1: /* $OpenBSD: entries.c,v 1.73 2007/02/17 18:23:43 xsa Exp $ */
1.1 jfb 2: /*
1.57 joris 3: * Copyright (c) 2006 Joris Vink <joris@openbsd.org>
1.1 jfb 4: *
1.57 joris 5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 jfb 16: */
17:
1.54 xsa 18: #include "includes.h"
1.1 jfb 19:
1.34 xsa 20: #include "cvs.h"
1.1 jfb 21: #include "log.h"
22:
1.42 xsa 23: #define CVS_ENTRIES_NFIELDS 6
24: #define CVS_ENTRIES_DELIM '/'
1.1 jfb 25:
1.57 joris 26: static struct cvs_ent_line *ent_get_line(CVSENTRIES *, const char *);
1.1 jfb 27:
1.42 xsa 28: CVSENTRIES *
1.57 joris 29: cvs_ent_open(const char *dir)
1.1 jfb 30: {
1.57 joris 31: FILE *fp;
1.1 jfb 32: size_t len;
1.57 joris 33: CVSENTRIES *ep;
34: char *p, buf[MAXPATHLEN];
1.1 jfb 35: struct cvs_ent *ent;
1.57 joris 36: struct cvs_ent_line *line;
1.36 xsa 37:
1.57 joris 38: ep = (CVSENTRIES *)xmalloc(sizeof(*ep));
39: memset(ep, 0, sizeof(*ep));
1.52 joris 40:
1.73 xsa 41: (void)xsnprintf(buf, sizeof(buf), "%s/%s", dir, CVS_PATH_ENTRIES);
1.64 xsa 42:
1.57 joris 43: ep->cef_path = xstrdup(buf);
1.8 jfb 44:
1.73 xsa 45: (void)xsnprintf(buf, sizeof(buf), "%s/%s",
46: dir, CVS_PATH_BACKUPENTRIES);
1.64 xsa 47:
1.57 joris 48: ep->cef_bpath = xstrdup(buf);
1.3 jfb 49:
1.73 xsa 50: (void)xsnprintf(buf, sizeof(buf), "%s/%s", dir, CVS_PATH_LOGENTRIES);
1.64 xsa 51:
1.57 joris 52: ep->cef_lpath = xstrdup(buf);
1.1 jfb 53:
1.4 jfb 54: TAILQ_INIT(&(ep->cef_ent));
1.3 jfb 55:
1.57 joris 56: if ((fp = fopen(ep->cef_path, "r")) != NULL) {
57: while (fgets(buf, sizeof(buf), fp)) {
58: len = strlen(buf);
59: if (len > 0 && buf[len - 1] == '\n')
60: buf[len - 1] = '\0';
61:
62: if (buf[0] == 'D' && buf[1] == '\0')
63: break;
64:
65: line = (struct cvs_ent_line *)xmalloc(sizeof(*line));
66: line->buf = xstrdup(buf);
67: TAILQ_INSERT_TAIL(&(ep->cef_ent), line, entries_list);
68: }
1.52 joris 69:
1.25 jfb 70: (void)fclose(fp);
1.12 jfb 71: }
1.1 jfb 72:
1.57 joris 73: if ((fp = fopen(ep->cef_lpath, "r")) != NULL) {
74: while (fgets(buf, sizeof(buf), fp)) {
75: len = strlen(buf);
1.62 ray 76: if (len > 0 && buf[len - 1] == '\n')
77: buf[len - 1] = '\0';
1.57 joris 78:
79: p = &buf[1];
80:
81: if (buf[0] == 'A') {
82: line = xmalloc(sizeof(*line));
83: line->buf = xstrdup(p);
84: TAILQ_INSERT_TAIL(&(ep->cef_ent), line,
85: entries_list);
86: } else if (buf[0] == 'R') {
87: ent = cvs_ent_parse(p);
88: line = ent_get_line(ep, ent->ce_name);
1.65 joris 89: if (line != NULL) {
1.57 joris 90: TAILQ_REMOVE(&(ep->cef_ent), line,
91: entries_list);
1.65 joris 92: xfree(line->buf);
93: xfree(line);
94: }
1.57 joris 95: cvs_ent_free(ent);
96: }
97: }
1.4 jfb 98:
1.52 joris 99: (void)fclose(fp);
100: }
1.12 jfb 101:
1.1 jfb 102: return (ep);
103: }
104:
1.57 joris 105: struct cvs_ent *
106: cvs_ent_parse(const char *entry)
1.1 jfb 107: {
1.57 joris 108: int i;
1.70 joris 109: struct tm t;
1.5 jfb 110: struct cvs_ent *ent;
1.57 joris 111: char *fields[CVS_ENTRIES_NFIELDS], *buf, *sp, *dp;
1.5 jfb 112:
1.72 joris 113: buf = sp = xstrdup(entry);
1.57 joris 114: i = 0;
115: do {
116: dp = strchr(sp, CVS_ENTRIES_DELIM);
117: if (dp != NULL)
118: *(dp++) = '\0';
119: fields[i++] = sp;
120: sp = dp;
121: } while (dp != NULL && i < CVS_ENTRIES_NFIELDS);
1.8 jfb 122:
1.57 joris 123: if (i < CVS_ENTRIES_NFIELDS)
124: fatal("missing fields in entry line '%s'", entry);
1.5 jfb 125:
1.72 joris 126: ent = xmalloc(sizeof(*ent));
1.57 joris 127: ent->ce_buf = buf;
1.52 joris 128:
1.57 joris 129: if (*fields[0] == '\0')
130: ent->ce_type = CVS_ENT_FILE;
131: else if (*fields[0] == 'D')
132: ent->ce_type = CVS_ENT_DIR;
133: else
134: ent->ce_type = CVS_ENT_NONE;
135:
136: ent->ce_status = CVS_ENT_REG;
137: ent->ce_name = fields[1];
138: ent->ce_rev = NULL;
1.5 jfb 139:
1.57 joris 140: if (ent->ce_type == CVS_ENT_FILE) {
141: if (*fields[2] == '-') {
142: ent->ce_status = CVS_ENT_REMOVED;
143: sp = fields[2] + 1;
144: } else {
145: sp = fields[2];
146: if (fields[2][0] == '0' && fields[2][1] == '\0')
147: ent->ce_status = CVS_ENT_ADDED;
148: }
1.1 jfb 149:
1.57 joris 150: if ((ent->ce_rev = rcsnum_parse(sp)) == NULL)
151: fatal("failed to parse entry revision '%s'", entry);
1.1 jfb 152:
1.72 joris 153: if (fields[3][0] == '\0' ||
154: strcmp(fields[3], CVS_DATE_DUMMY) == 0 ||
1.57 joris 155: strncmp(fields[3], "Initial ", 8) == 0 ||
156: strncmp(fields[3], "Result of merge", 15) == 0)
157: ent->ce_mtime = CVS_DATE_DMSEC;
1.70 joris 158: else {
1.72 joris 159: if (strptime(fields[3], "%a %b %d %T %Y", &t) == NULL)
160: fatal("'%s' is not a valid date", fields[3]);
1.70 joris 161: t.tm_isdst = 0;
162: t.tm_gmtoff = 0;
163: ent->ce_mtime = mktime(&t);
1.71 otto 164: ent->ce_mtime += t.tm_gmtoff;
1.70 joris 165: }
1.3 jfb 166: }
1.1 jfb 167:
1.57 joris 168: ent->ce_conflict = fields[3];
169: if ((dp = strchr(ent->ce_conflict, '+')) != NULL)
170: *dp = '\0';
171: else
172: ent->ce_conflict = NULL;
1.1 jfb 173:
1.57 joris 174: if (strcmp(fields[4], ""))
175: ent->ce_opts = fields[4];
176: else
177: ent->ce_opts = NULL;
1.8 jfb 178:
1.57 joris 179: if (strcmp(fields[5], ""))
1.58 joris 180: ent->ce_tag = fields[5] + 1;
1.57 joris 181: else
182: ent->ce_tag = NULL;
1.3 jfb 183:
1.57 joris 184: return (ent);
1.3 jfb 185: }
186:
1.57 joris 187: struct cvs_ent *
188: cvs_ent_get(CVSENTRIES *ep, const char *name)
1.3 jfb 189: {
190: struct cvs_ent *ent;
1.57 joris 191: struct cvs_ent_line *l;
1.3 jfb 192:
1.57 joris 193: l = ent_get_line(ep, name);
194: if (l == NULL)
195: return (NULL);
1.3 jfb 196:
1.57 joris 197: ent = cvs_ent_parse(l->buf);
198: return (ent);
199: }
1.3 jfb 200:
1.57 joris 201: int
202: cvs_ent_exists(CVSENTRIES *ep, const char *name)
203: {
204: struct cvs_ent_line *l;
1.1 jfb 205:
1.57 joris 206: l = ent_get_line(ep, name);
207: if (l == NULL)
208: return (0);
1.8 jfb 209:
1.57 joris 210: return (1);
1.1 jfb 211: }
212:
1.57 joris 213: void
214: cvs_ent_close(CVSENTRIES *ep, int writefile)
1.9 jfb 215: {
1.57 joris 216: FILE *fp;
217: struct cvs_ent_line *l;
1.44 xsa 218:
1.57 joris 219: if (writefile) {
220: if ((fp = fopen(ep->cef_bpath, "w")) == NULL)
1.63 xsa 221: fatal("cvs_ent_close: fopen: `%s': %s",
222: ep->cef_path, strerror(errno));
1.57 joris 223: }
1.16 jfb 224:
1.57 joris 225: while ((l = TAILQ_FIRST(&(ep->cef_ent))) != NULL) {
226: if (writefile) {
227: fputs(l->buf, fp);
228: fputc('\n', fp);
1.51 joris 229: }
1.57 joris 230:
231: TAILQ_REMOVE(&(ep->cef_ent), l, entries_list);
232: xfree(l->buf);
233: xfree(l);
1.22 jfb 234: }
1.9 jfb 235:
1.57 joris 236: if (writefile) {
237: fputc('D', fp);
1.68 pyr 238: fputc('\n', fp);
1.57 joris 239: (void)fclose(fp);
240:
241: if (rename(ep->cef_bpath, ep->cef_path) == -1)
1.63 xsa 242: fatal("cvs_ent_close: rename: `%s'->`%s': %s",
243: ep->cef_bpath, ep->cef_path, strerror(errno));
1.57 joris 244:
245: (void)unlink(ep->cef_lpath);
246: }
1.9 jfb 247:
1.57 joris 248: xfree(ep->cef_path);
249: xfree(ep->cef_bpath);
250: xfree(ep->cef_lpath);
251: xfree(ep);
1.9 jfb 252: }
253:
1.57 joris 254: void
255: cvs_ent_add(CVSENTRIES *ep, const char *line)
1.1 jfb 256: {
1.57 joris 257: FILE *fp;
258: struct cvs_ent_line *l;
1.39 xsa 259: struct cvs_ent *ent;
1.1 jfb 260:
1.57 joris 261: if ((ent = cvs_ent_parse(line)) == NULL)
262: fatal("cvs_ent_add: parsing failed '%s'", line);
1.1 jfb 263:
1.57 joris 264: l = ent_get_line(ep, ent->ce_name);
265: if (l != NULL)
266: cvs_ent_remove(ep, ent->ce_name);
1.1 jfb 267:
1.57 joris 268: cvs_ent_free(ent);
1.1 jfb 269:
1.61 joris 270: if (cvs_server_active == 0)
271: cvs_log(LP_TRACE, "cvs_ent_add(%s, %s)", ep->cef_path, line);
1.1 jfb 272:
1.57 joris 273: if ((fp = fopen(ep->cef_lpath, "a")) == NULL)
1.63 xsa 274: fatal("cvs_ent_add: fopen: `%s': %s",
275: ep->cef_lpath, strerror(errno));
1.1 jfb 276:
1.57 joris 277: fputc('A', fp);
278: fputs(line, fp);
279: fputc('\n', fp);
1.1 jfb 280:
1.57 joris 281: (void)fclose(fp);
1.10 jfb 282:
1.57 joris 283: l = (struct cvs_ent_line *)xmalloc(sizeof(*l));
284: l->buf = xstrdup(line);
285: TAILQ_INSERT_TAIL(&(ep->cef_ent), l, entries_list);
286: }
1.10 jfb 287:
1.57 joris 288: void
289: cvs_ent_remove(CVSENTRIES *ep, const char *name)
290: {
291: FILE *fp;
292: struct cvs_ent_line *l;
1.1 jfb 293:
1.61 joris 294: if (cvs_server_active == 0)
295: cvs_log(LP_TRACE, "cvs_ent_remove(%s, %s)", ep->cef_path, name);
1.1 jfb 296:
1.57 joris 297: l = ent_get_line(ep, name);
298: if (l == NULL)
299: return;
1.1 jfb 300:
1.57 joris 301: if ((fp = fopen(ep->cef_lpath, "a")) == NULL)
1.63 xsa 302: fatal("cvs_ent_remove: fopen: `%s': %s", ep->cef_lpath,
303: strerror(errno));
1.38 joris 304:
1.57 joris 305: fputc('R', fp);
306: fputs(l->buf, fp);
307: fputc('\n', fp);
1.24 jfb 308:
1.57 joris 309: (void)fclose(fp);
1.24 jfb 310:
1.57 joris 311: TAILQ_REMOVE(&(ep->cef_ent), l, entries_list);
312: xfree(l->buf);
313: xfree(l);
1.5 jfb 314: }
315:
316: void
317: cvs_ent_free(struct cvs_ent *ent)
318: {
319: if (ent->ce_rev != NULL)
320: rcsnum_free(ent->ce_rev);
1.57 joris 321: xfree(ent->ce_buf);
1.53 joris 322: xfree(ent);
1.5 jfb 323: }
1.8 jfb 324:
1.57 joris 325: static struct cvs_ent_line *
326: ent_get_line(CVSENTRIES *ep, const char *name)
1.8 jfb 327: {
1.57 joris 328: char *p, *s;
329: struct cvs_ent_line *l;
1.8 jfb 330:
1.57 joris 331: TAILQ_FOREACH(l, &(ep->cef_ent), entries_list) {
332: if (l->buf[0] == 'D')
333: p = &(l->buf[2]);
334: else
335: p = &(l->buf[1]);
336:
337: if ((s = strchr(p, '/')) == NULL)
338: fatal("ent_get_line: bad entry line '%s'", l->buf);
339:
340: *s = '\0';
341:
342: if (!strcmp(p, name)) {
343: *s = '/';
344: return (l);
1.15 jfb 345: }
1.8 jfb 346:
1.57 joris 347: *s = '/';
1.8 jfb 348: }
349:
1.57 joris 350: return (NULL);
1.59 xsa 351: }
352:
353: void
354: cvs_parse_tagfile(char *dir, char **tagp, char **datep, int *nbp)
355: {
356: FILE *fp;
1.73 xsa 357: int i, linenum;
1.59 xsa 358: size_t len;
1.69 otto 359: char linebuf[128], tagpath[MAXPATHLEN];
1.59 xsa 360:
361: if (tagp != NULL)
1.60 joris 362: *tagp = NULL;
1.59 xsa 363:
364: if (datep != NULL)
1.60 joris 365: *datep = NULL;
1.59 xsa 366:
367: if (nbp != NULL)
368: *nbp = 0;
369:
1.73 xsa 370: i = snprintf(tagpath, MAXPATHLEN, "%s/%s", dir, CVS_PATH_TAG);
371: if (i < 0 || i >= MAXPATHLEN)
1.69 otto 372: return;
1.59 xsa 373:
374: if ((fp = fopen(tagpath, "r")) == NULL) {
375: if (errno != ENOENT)
376: cvs_log(LP_NOTICE, "failed to open `%s' : %s", tagpath,
377: strerror(errno));
1.69 otto 378: return;
1.59 xsa 379: }
380:
381: linenum = 0;
382:
383: while (fgets(linebuf, (int)sizeof(linebuf), fp) != NULL) {
384: linenum++;
385: if ((len = strlen(linebuf)) == 0)
386: continue;
387: if (linebuf[len - 1] != '\n') {
388: cvs_log(LP_NOTICE, "line too long in `%s:%d'",
389: tagpath, linenum);
390: break;
391: }
392: linebuf[--len] = '\0';
393:
394: switch (*linebuf) {
395: case 'T':
396: if (tagp != NULL)
397: *tagp = xstrdup(linebuf + 1);
398: break;
399: case 'D':
400: if (datep != NULL)
401: *datep = xstrdup(linebuf + 1);
402: break;
403: case 'N':
404: if (tagp != NULL)
405: *tagp = xstrdup(linebuf + 1);
406: if (nbp != NULL)
407: *nbp = 1;
408: break;
409: default:
410: break;
411: }
412: }
413: if (ferror(fp))
414: cvs_log(LP_NOTICE, "failed to read line from `%s'", tagpath);
415:
416: (void)fclose(fp);
417: }
418:
419: void
1.74 ! otto 420: cvs_write_tagfile(const char *dir, char *tag, char *date, int nb)
1.59 xsa 421: {
422: FILE *fp;
1.69 otto 423: char tagpath[MAXPATHLEN];
1.73 xsa 424: int i;
1.59 xsa 425:
426: if (cvs_noexec == 1)
427: return;
428:
1.73 xsa 429: i = snprintf(tagpath, MAXPATHLEN, "%s/%s", dir, CVS_PATH_TAG);
430: if (i < 0 || i >= MAXPATHLEN)
1.69 otto 431: return;
1.59 xsa 432:
433: if ((tag != NULL) || (date != NULL)) {
434: if ((fp = fopen(tagpath, "w+")) == NULL) {
435: if (errno != ENOENT) {
436: cvs_log(LP_NOTICE, "failed to open `%s' : %s",
437: tagpath, strerror(errno));
438: }
1.69 otto 439: return;
1.59 xsa 440: }
441: if (tag != NULL) {
442: if (nb != 0)
443: (void)fprintf(fp, "N%s\n", tag);
444: else
445: (void)fprintf(fp, "T%s\n", tag);
446: } else
447: (void)fprintf(fp, "D%s\n", date);
448:
449: (void)fclose(fp);
450: } else {
451: (void)cvs_unlink(tagpath);
452: }
1.1 jfb 453: }
![[BACK]](/icons/back.gif){kind=icon}
Return to entries.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / cvs