/* $OpenBSD: ci.c,v 1.129 2006/03/27 22:11:08 niallo Exp $ */ /* * Copyright (c) 2005, 2006 Niall O'Higgins * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following cinditions * are met: * * 1. Redistributions of source cide must retain the above cipyright * notice, this list of cinditions and the following disclaimer. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "includes.h" #include "rcsprog.h" #include "diff.h" #define CI_OPTSTRING "d::f::I::i::j::k::l::m:M::N:n:qr::s:Tt:u::Vw:x::z:" #define DATE_NOW -1 #define DATE_MTIME -2 #define KW_ID "Id" #define KW_AUTHOR "Author" #define KW_DATE "Date" #define KW_STATE "State" #define KW_REVISION "Revision" #define KW_TYPE_ID 1 #define KW_TYPE_AUTHOR 2 #define KW_TYPE_DATE 3 #define KW_TYPE_STATE 4 #define KW_TYPE_REVISION 5 #define KW_NUMTOKS_ID 10 #define KW_NUMTOKS_AUTHOR 3 #define KW_NUMTOKS_DATE 4 #define KW_NUMTOKS_STATE 3 #define KW_NUMTOKS_REVISION 3 #define RCSNUM_ZERO_ENDING(x) (x->rn_id[x->rn_len - 1] == 0) extern struct rcs_kw rcs_expkw[]; struct checkin_params { int flags, openflags; mode_t fmode; time_t date; RCSFILE *file; RCSNUM *frev, *newrev; char fpath[MAXPATHLEN], *rcs_msg, *username, *deltatext, *filename; char *author, *state; const char *symbol, *description; }; static int checkin_attach_symbol(struct checkin_params *); static int checkin_checklock(struct checkin_params *); static char *checkin_diff_file(struct checkin_params *); static char *checkin_getdesc(void); static char *checkin_getinput(const char *); static char *checkin_getlogmsg(RCSNUM *, RCSNUM *); static int checkin_init(struct checkin_params *); static int checkin_keywordscan(char *, RCSNUM **, time_t *, char **, char **); static int checkin_keywordtype(char *); static int checkin_mtimedate(struct checkin_params *); static void checkin_parsekeyword(char *, RCSNUM **, time_t *, char **, char **); static int checkin_update(struct checkin_params *); static void checkin_revert(struct checkin_params *); void checkin_usage(void) { fprintf(stderr, "usage: ci [-jMNqV] [-d[date]] [-f[rev]] [-I[rev]] [-i[rev]]\n" " [-j[rev]] [-k[rev]] [-l[rev]] [-M[rev]] [-mmsg]\n" " [-Nsymbol] [-nsymbol] [-r[rev]] [-sstate] [-tfile|str]\n" " [-u[rev]] [-wusername] [-xsuffixes] [-ztz] file ...\n"); } /* * checkin_main() * * Handler for the `ci' program. * Returns 0 on success, or >0 on error. */ int checkin_main(int argc, char **argv) { int i, ch, status; struct checkin_params pb; pb.date = DATE_NOW; pb.file = NULL; pb.rcs_msg = pb.username = pb.author = pb.state = NULL; pb.symbol = pb.description = NULL; pb.newrev = NULL; pb.flags = status = 0; pb.fmode = S_IRUSR|S_IRGRP|S_IROTH; pb.flags = INTERACTIVE; pb.openflags = RCS_RDWR|RCS_CREATE|RCS_PARSE_FULLY; while ((ch = rcs_getopt(argc, argv, CI_OPTSTRING)) != -1) { switch (ch) { case 'd': if (rcs_optarg == NULL) pb.date = DATE_MTIME; else if ((pb.date = cvs_date_parse(rcs_optarg)) <= 0) fatal("invalid date"); break; case 'f': rcs_set_rev(rcs_optarg, &pb.newrev); pb.flags |= FORCE; break; case 'h': (usage)(); exit(0); /* NOTREACHED */ case 'I': rcs_set_rev(rcs_optarg, &pb.newrev); pb.flags |= INTERACTIVE; break; case 'i': rcs_set_rev(rcs_optarg, &pb.newrev); pb.openflags |= RCS_CREATE; pb.flags |= CI_INIT; break; case 'j': rcs_set_rev(rcs_optarg, &pb.newrev); pb.openflags &= ~RCS_CREATE; pb.flags &= ~CI_INIT; break; case 'k': rcs_set_rev(rcs_optarg, &pb.newrev); pb.flags |= CI_KEYWORDSCAN; break; case 'l': rcs_set_rev(rcs_optarg, &pb.newrev); pb.flags |= CO_LOCK; break; case 'M': rcs_set_rev(rcs_optarg, &pb.newrev); pb.flags |= CO_REVDATE; break; case 'm': pb.rcs_msg = rcs_optarg; if (pb.rcs_msg == NULL) fatal("missing message for -m option"); pb.flags &= ~INTERACTIVE; break; case 'N': pb.symbol = xstrdup(rcs_optarg); if (rcs_sym_check(pb.symbol) != 1) fatal("invalid symbol `%s'", pb.symbol); pb.flags |= CI_SYMFORCE; break; case 'n': pb.symbol = xstrdup(rcs_optarg); if (rcs_sym_check(pb.symbol) != 1) fatal("invalid symbol `%s'", pb.symbol); break; case 'q': verbose = 0; break; case 'r': rcs_set_rev(rcs_optarg, &pb.newrev); pb.flags |= CI_DEFAULT; break; case 's': pb.state = rcs_optarg; if (rcs_state_check(pb.state) < 0) fatal("invalid state `%s'", pb.state); break; case 'T': pb.flags |= PRESERVETIME; break; case 't': pb.description = xstrdup(rcs_optarg); break; case 'u': rcs_set_rev(rcs_optarg, &pb.newrev); pb.flags |= CO_UNLOCK; break; case 'V': printf("%s\n", rcs_version); exit(0); /* NOTREACHED */ case 'w': pb.author = xstrdup(rcs_optarg); break; case 'x': /* Use blank extension if none given. */ rcs_suffixes = rcs_optarg ? rcs_optarg : ""; break; case 'z': timezone_flag = rcs_optarg; break; default: (usage)(); exit(1); } } argc -= rcs_optind; argv += rcs_optind; if (argc == 0) { cvs_log(LP_ERR, "no input file"); (usage)(); exit(1); } if ((pb.username = getlogin()) == NULL) fatal("getlogin failed"); for (i = 0; i < argc; i++) { pb.filename = argv[i]; /* * Test for existence of ,v file. If we are expected to * create one, set NEWFILE flag. */ if (rcs_statfile(pb.filename, pb.fpath, sizeof(pb.fpath)) < 0) { if (pb.openflags & RCS_CREATE) pb.flags |= NEWFILE; else { cvs_log(LP_ERR, "No existing RCS file"); status = 1; continue; } } else { if (pb.flags & CI_INIT) { cvs_log(LP_ERR, "%s already exists", pb.fpath); status = 1; continue; } pb.openflags &= ~RCS_CREATE; } /* * If we are to create a new ,v file, we must decide where it * should go. */ if (pb.flags & NEWFILE) { char *fpath = rcs_choosefile(pb.filename); if (fpath == NULL) { status = 1; continue; } strlcpy(pb.fpath, fpath, sizeof(pb.fpath)); xfree(fpath); } pb.file = rcs_open(pb.fpath, pb.openflags, pb.fmode); if (pb.file == NULL) fatal("failed to open rcsfile '%s'", pb.fpath); if (verbose == 1) printf("%s <-- %s\n", pb.fpath, pb.filename); if (pb.flags & NEWFILE) status = checkin_init(&pb); else status = checkin_update(&pb); /* reset NEWFILE flag */ pb.flags &= ~NEWFILE; rcs_close(pb.file); } if ((verbose == 1) && (status == 0)) printf("done\n"); return (status); } /* * checkin_diff_file() * * Generate the diff between the working file and a revision. * Returns pointer to a char array on success, NULL on failure. */ static char * checkin_diff_file(struct checkin_params *pb) { char path1[MAXPATHLEN], path2[MAXPATHLEN]; BUF *b1, *b2, *b3; char rbuf[64], *deltatext; b1 = b2 = b3 = NULL; deltatext = NULL; rcsnum_tostr(pb->frev, rbuf, sizeof(rbuf)); if ((b1 = cvs_buf_load(pb->filename, BUF_AUTOEXT)) == NULL) { cvs_log(LP_ERR, "failed to load file: '%s'", pb->filename); goto out; } if ((b2 = rcs_getrev(pb->file, pb->frev)) == NULL) { cvs_log(LP_ERR, "failed to load revision"); goto out; } if ((b3 = cvs_buf_alloc((size_t)128, BUF_AUTOEXT)) == NULL) { cvs_log(LP_ERR, "failed to allocated buffer for diff"); goto out; } strlcpy(path1, rcs_tmpdir, sizeof(path1)); strlcat(path1, "/diff1.XXXXXXXXXX", sizeof(path1)); cvs_buf_write_stmp(b1, path1, 0600); cvs_worklist_add(path1, &rcs_temp_files); cvs_buf_free(b1); b1 = NULL; strlcpy(path2, rcs_tmpdir, sizeof(path2)); strlcat(path2, "/diff2.XXXXXXXXXX", sizeof(path2)); cvs_buf_write_stmp(b2, path2, 0600); cvs_worklist_add(path2, &rcs_temp_files); cvs_buf_free(b2); b2 = NULL; diff_format = D_RCSDIFF; cvs_diffreg(path1, path2, b3); cvs_buf_putc(b3, '\0'); deltatext = (char *)cvs_buf_release(b3); b3 = NULL; out: cvs_worklist_run(&rcs_temp_files, cvs_worklist_unlink); if (b1 != NULL) cvs_buf_free(b1); if (b2 != NULL) cvs_buf_free(b2); if (b3 != NULL) cvs_buf_free(b3); return (deltatext); } /* * checkin_getlogmsg() * * Get log message from user interactively. * Returns pointer to a char array on success, NULL on failure. */ static char * checkin_getlogmsg(RCSNUM *rev, RCSNUM *rev2) { char *rcs_msg, nrev[16], prev[16]; RCSNUM *tmprev; rcs_msg = NULL; tmprev = rcsnum_alloc(); rcsnum_cpy(rev, tmprev, 16); rcsnum_tostr(tmprev, prev, sizeof(prev)); if (rev2 == NULL) rcsnum_tostr(rcsnum_inc(tmprev), nrev, sizeof(nrev)); else rcsnum_tostr(rev2, nrev, sizeof(nrev)); rcsnum_free(tmprev); if (verbose == 1) printf("new revision: %s; previous revision: %s\n", nrev, prev); rcs_msg = checkin_getinput("enter log message, terminated with a " "single '.' or end of file:\n>> "); return (rcs_msg); } /* * checkin_getdesc() * * Get file description interactively. * Returns pointer to a char array on success, NULL on failure. */ static char * checkin_getdesc() { char *description; description = checkin_getinput("enter description, terminated with " "single '.' or end of file:\n" "NOTE: This is NOT the log message!\n>> "); return (description); } /* * checkin_getinput() * * Get some input from the user, in RCS style, prompting with message . * Returns pointer to a char array on success, NULL on failure. */ static char * checkin_getinput(const char *prompt) { BUF *inputbuf; char *input, buf[128]; if ((inputbuf = cvs_buf_alloc((size_t)64, BUF_AUTOEXT)) == NULL) { cvs_log(LP_ERR, "failed to allocate input buffer"); return (NULL); } if (isatty(STDIN_FILENO)) fprintf(stderr, "%s", prompt); for (;;) { fgets(buf, (int)sizeof(buf), stdin); if (feof(stdin) || ferror(stdin) || buf[0] == '.') break; cvs_buf_append(inputbuf, buf, strlen(buf)); if (isatty(STDIN_FILENO)) fprintf(stderr, ">> "); } cvs_buf_putc(inputbuf, '\0'); input = (char *)cvs_buf_release(inputbuf); return (input); } /* * checkin_update() * * Do a checkin to an existing RCS file. * * On success, return 0. On error return -1. */ static int checkin_update(struct checkin_params *pb) { char *filec, numb1[64], numb2[64]; struct stat st; BUF *bp; /* * XXX this is wrong, we need to get the revision the user * has the lock for. So we can decide if we want to create a * branch or not. (if it's not current HEAD we need to branch). */ pb->frev = pb->file->rf_head; /* Load file contents */ if ((bp = cvs_buf_load(pb->filename, BUF_AUTOEXT)) == NULL) { rcs_close(pb->file); return (-1); } cvs_buf_putc(bp, '\0'); filec = (char *)cvs_buf_release(bp); /* If this is a zero-ending RCSNUM eg 4.0, increment it (eg to 4.1) */ if ((pb->newrev != NULL) && (RCSNUM_ZERO_ENDING(pb->newrev))) pb->newrev = rcsnum_inc(pb->newrev); if (checkin_checklock(pb) < 0) goto fail; /* If revision passed on command line is less than HEAD, bail. * XXX only applies to ci -r1.2 foo for example if HEAD is > 1.2 and * there is no lock set for the user. */ if ((pb->newrev != NULL) && (rcsnum_cmp(pb->newrev, pb->frev, 0) > 0)) { cvs_log(LP_ERR, "%s: revision %s too low; must be higher than %s", pb->file->rf_path, rcsnum_tostr(pb->newrev, numb1, sizeof(numb1)), rcsnum_tostr(pb->frev, numb2, sizeof(numb2))); goto fail; } /* * Set the date of the revision to be the last modification * time of the working file if -d has no argument. */ if (pb->date == DATE_MTIME && (checkin_mtimedate(pb) < 0)) goto fail; /* Date from argv/mtime must be more recent than HEAD */ if (pb->date != DATE_NOW) { time_t head_date = rcs_rev_getdate(pb->file, pb->frev); if (pb->date <= head_date) { char dbuf1[256], dbuf2[256], *fmt; struct tm *t, *t_head; fmt = "%Y/%m/%d %H:%M:%S"; t = localtime(&pb->date); strftime(dbuf1, sizeof(dbuf1), fmt, t); t_head = localtime(&head_date); strftime(dbuf2, sizeof(dbuf2), fmt, t_head); fatal("%s: Date %s preceeds %s in revision %s.", pb->file->rf_path, dbuf1, dbuf2, rcsnum_tostr(pb->frev, numb2, sizeof(numb2))); } } /* Get RCS patch */ if ((pb->deltatext = checkin_diff_file(pb)) == NULL) { cvs_log(LP_ERR, "failed to get diff"); goto fail; } /* * If -f is not specified and there are no differences, tell * the user and revert to latest version. */ if (!(pb->flags & FORCE) && (strlen(pb->deltatext) < 1)) { checkin_revert(pb); goto fail; } /* If no log message specified, get it interactively. */ if (pb->flags & INTERACTIVE) pb->rcs_msg = checkin_getlogmsg(pb->frev, pb->newrev); if (rcs_lock_remove(pb->file, pb->username, pb->frev) < 0) { if (rcs_errno != RCS_ERR_NOENT) cvs_log(LP_WARN, "failed to remove lock"); else if (!(pb->flags & CO_LOCK)) cvs_log(LP_WARN, "previous revision was not locked; " "ignoring -l option"); } /* Current head revision gets the RCS patch as rd_text */ if (rcs_deltatext_set(pb->file, pb->frev, pb->deltatext) == -1) fatal("failed to set new rd_text for head rev"); /* Now add our new revision */ if (rcs_rev_add(pb->file, (pb->newrev == NULL ? RCS_HEAD_REV : pb->newrev), pb->rcs_msg, pb->date, pb->author) != 0) { cvs_log(LP_ERR, "failed to add new revision"); goto fail; } /* * If we are checking in to a non-default (ie user-specified) * revision, set head to this revision. */ if (pb->newrev != NULL) rcs_head_set(pb->file, pb->newrev); else pb->newrev = pb->file->rf_head; /* New head revision has to contain entire file; */ if (rcs_deltatext_set(pb->file, pb->frev, filec) == -1) fatal("failed to set new head revision"); /* Attach a symbolic name to this revision if specified. */ if (pb->symbol != NULL && (checkin_attach_symbol(pb) < 0)) goto fail; /* Set the state of this revision if specified. */ if (pb->state != NULL) (void)rcs_state_set(pb->file, pb->newrev, pb->state); /* Maintain RCSFILE permissions */ if (stat(pb->filename, &st) == -1) goto fail; /* Strip all the write bits */ pb->file->rf_mode = st.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH|S_IRUSR|S_IRGRP|S_IROTH); xfree(pb->deltatext); xfree(filec); (void)unlink(pb->filename); /* Write out RCSFILE before calling checkout_rev() */ rcs_write(pb->file); /* Do checkout if -u or -l are specified. */ if (((pb->flags & CO_LOCK) || (pb->flags & CO_UNLOCK)) && !(pb->flags & CI_DEFAULT)) checkout_rev(pb->file, pb->newrev, pb->filename, pb->flags, pb->username, pb->author, NULL, NULL); if (pb->flags & INTERACTIVE) { xfree(pb->rcs_msg); pb->rcs_msg = NULL; } return (0); fail: xfree(filec); return (-1); } /* * checkin_init() * * Does an initial check in, just enough to create the new ,v file * On success, return 0. On error return -1. */ static int checkin_init(struct checkin_params *pb) { BUF *bp, *dp; char *filec, numb[64]; int fetchlog = 0; const char *rcs_desc; struct stat st; /* If this is a zero-ending RCSNUM eg 4.0, increment it (eg to 4.1) */ if ((pb->newrev != NULL) && (RCSNUM_ZERO_ENDING(pb->newrev))) { pb->frev = rcsnum_alloc(); rcsnum_cpy(pb->newrev, pb->frev, 0); pb->newrev = rcsnum_inc(pb->newrev); fetchlog = 1; } /* Load file contents */ if ((bp = cvs_buf_load(pb->filename, BUF_AUTOEXT)) == NULL) { rcs_close(pb->file); return (-1); } cvs_buf_putc(bp, '\0'); filec = (char *)cvs_buf_release(bp); /* Get default values from working copy if -k specified */ if (pb->flags & CI_KEYWORDSCAN) checkin_keywordscan(filec, &pb->newrev, &pb->date, &pb->state, &pb->author); /* Get description from user */ if (pb->description == NULL) rcs_desc = (const char *)checkin_getdesc(); else { if (*pb->description == '-') { pb->description++; rcs_desc = (const char *)pb->description; } else { dp = cvs_buf_load(pb->description, BUF_AUTOEXT); if (dp == NULL) { cvs_log(LP_ERR, "failed to load description file '%s'", pb->description); goto fail; } cvs_buf_putc(dp, '\0'); rcs_desc = (const char *)cvs_buf_release(dp); } } rcs_desc_set(pb->file, rcs_desc); /* * If the user had specified a zero-ending revision number e.g. 4 * emulate odd GNU behaviour and fetch log message. */ if (fetchlog == 1) { pb->rcs_msg = checkin_getlogmsg(pb->frev, pb->newrev); rcsnum_free(pb->frev); } /* * Set the date of the revision to be the last modification * time of the working file if -d has no argument. */ if (pb->date == DATE_MTIME && (checkin_mtimedate(pb) < 0)) goto fail; /* Now add our new revision */ if (rcs_rev_add(pb->file, (pb->newrev == NULL ? RCS_HEAD_REV : pb->newrev), (pb->rcs_msg == NULL ? "Initial revision" : pb->rcs_msg), pb->date, pb->author) != 0) { cvs_log(LP_ERR, "failed to add new revision"); goto fail; } /* * If we are checking in to a non-default (ie user-specified) * revision, set head to this revision. */ if (pb->newrev != NULL) rcs_head_set(pb->file, pb->newrev); else pb->newrev = pb->file->rf_head; /* New head revision has to contain entire file; */ if (rcs_deltatext_set(pb->file, pb->file->rf_head, filec) == -1) { cvs_log(LP_ERR, "failed to set new head revision"); goto fail; } /* Attach a symbolic name to this revision if specified. */ if (pb->symbol != NULL && (checkin_attach_symbol(pb) < 0)) goto fail; /* Set the state of this revision if specified. */ if (pb->state != NULL) (void)rcs_state_set(pb->file, pb->newrev, pb->state); /* Inherit RCSFILE permissions from file being checked in */ if (stat(pb->filename, &st) == -1) goto fail; /* Strip all the write bits */ pb->file->rf_mode = st.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH|S_IRUSR|S_IRGRP|S_IROTH); xfree(filec); (void)unlink(pb->filename); /* Write out RCSFILE before calling checkout_rev() */ rcs_write(pb->file); /* Do checkout if -u or -l are specified. */ if (((pb->flags & CO_LOCK) || (pb->flags & CO_UNLOCK)) && !(pb->flags & CI_DEFAULT)) { checkout_rev(pb->file, pb->newrev, pb->filename, pb->flags, pb->username, pb->author, NULL, NULL); } if (verbose == 1) { fprintf(stderr, "initial revision: %s\n", rcsnum_tostr(pb->newrev, numb, sizeof(numb))); } return (0); fail: xfree(filec); return (-1); } /* * checkin_attach_symbol() * * Attempt to attach the specified symbol to the revision. * On success, return 0. On error return -1. */ static int checkin_attach_symbol(struct checkin_params *pb) { char rbuf[16]; int ret; if (verbose == 1) printf("symbol: %s\n", pb->symbol); if (pb->flags & CI_SYMFORCE) rcs_sym_remove(pb->file, pb->symbol); if ((ret = rcs_sym_add(pb->file, pb->symbol, pb->newrev) == -1) && (rcs_errno == RCS_ERR_DUPENT)) { rcsnum_tostr(rcs_sym_getrev(pb->file, pb->symbol), rbuf, sizeof(rbuf)); cvs_log(LP_ERR, "symbolic name %s already bound to %s", pb->symbol, rbuf); return (-1); } else if (ret == -1) { cvs_log(LP_ERR, "problem adding symbol: %s", pb->symbol); return (-1); } return (0); } /* * checkin_revert() * * If there are no differences between the working file and the latest revision * and the -f flag is not specified, simply revert to the latest version and * warn the user. * */ static void checkin_revert(struct checkin_params *pb) { char rbuf[16]; rcsnum_tostr(pb->frev, rbuf, sizeof(rbuf)); cvs_log(LP_WARN, "file is unchanged; reverting to previous revision %s", rbuf); (void)unlink(pb->filename); if ((pb->flags & CO_LOCK) || (pb->flags & CO_UNLOCK)) checkout_rev(pb->file, pb->frev, pb->filename, pb->flags, pb->username, pb->author, NULL, NULL); if (rcs_lock_remove(pb->file, pb->username, pb->frev) < 0) if (rcs_errno != RCS_ERR_NOENT) cvs_log(LP_WARN, "failed to remove lock"); } /* * checkin_checklock() * * Check for the existence of a lock on the file. If there are no locks, or it * is not locked by the correct user, return -1. Otherwise, return 0. */ static int checkin_checklock(struct checkin_params *pb) { struct rcs_lock *lkp; TAILQ_FOREACH(lkp, &(pb->file->rf_locks), rl_list) { if ((!strcmp(lkp->rl_name, pb->username)) && (!rcsnum_cmp(lkp->rl_num, pb->frev, 0))) return (0); } cvs_log(LP_ERR, "%s: no lock set by %s", pb->file->rf_path, pb->username); return (-1); } /* * checkin_mtimedate() * * Set the date of the revision to be the last modification * time of the working file. * * On success, return 0. On error return -1. */ static int checkin_mtimedate(struct checkin_params *pb) { struct stat sb; if (stat(pb->filename, &sb) != 0) { cvs_log(LP_ERRNO, "failed to stat `%s'", pb->filename); return (-1); } pb->date = (time_t)sb.st_mtimespec.tv_sec; return (0); } /* * checkin_keywordscan() * * Searches working file for keyword values to determine its revision * number, creation date and author, and uses these values instead of * calculating them locally. * * Params: The data buffer to scan and pointers to pointers of variables in * which to store the outputs. * * On success, return 0. On error return -1. */ static int checkin_keywordscan(char *data, RCSNUM **rev, time_t *date, char **author, char **state) { size_t end; u_int j, found; char *c, *kwstr, *start, buf[128]; c = start = kwstr = NULL; found = 0; for (c = data; *c != '\0'; c++) { if (*c == '$') { start = c; c++; if (!isalpha(*c)) { c = start; continue; } /* look for any matching keywords */ found = 0; for (j = 0; j < 10; j++) { if (!strncmp(c, rcs_expkw[j].kw_str, strlen(rcs_expkw[j].kw_str))) { found = 1; kwstr = rcs_expkw[j].kw_str; break; } } /* unknown keyword, continue looking */ if (found == 0) { c = start; continue; } c += strlen(kwstr); if (*c != ':' && *c != '$') { c = start; continue; } if (*c == ':') { while (*c++) { if (*c == '$') { end = c - start + 2; if (end >= sizeof(buf)) fatal("keyword buffer" " too small!"); strlcpy(buf, start, end); checkin_parsekeyword(buf, rev, date, author, state); break; } } if (*c != '$') { c = start; continue; } } } } if (found == 0) return (-1); else return (0); } /* * checkin_keywordtype() * * Given an RCS keyword string, determine what type of string it is. * This enables us to know what data should be in it. * * Returns type on success, or -1 on failure. */ static int checkin_keywordtype(char *keystring) { char *p; p = keystring; p++; if (strncmp(p, KW_ID, strlen(KW_ID)) == 0) return (KW_TYPE_ID); else if (strncmp(p, KW_AUTHOR, strlen(KW_AUTHOR)) == 0) return (KW_TYPE_AUTHOR); else if (strncmp(p, KW_DATE, strlen(KW_DATE)) == 0) return (KW_TYPE_DATE); else if (strncmp(p, KW_STATE, strlen(KW_STATE)) == 0) return (KW_TYPE_STATE); else if (strncmp(p, KW_REVISION, strlen(KW_REVISION)) == 0) return (KW_TYPE_REVISION); else return (-1); } /* * checkin_parsekeyword() * * Do the actual parsing of an RCS keyword string, setting the values passed * to the function to whatever is found. * */ static void checkin_parsekeyword(char *keystring, RCSNUM **rev, time_t *date, char **author, char **state) { char *tokens[10], *p, *datestring; size_t len = 0; int i = 0; /* Parse data out of the expanded keyword */ switch (checkin_keywordtype(keystring)) { case KW_TYPE_ID: for ((p = strtok(keystring, " ")); p; (p = strtok(NULL, " "))) { if (i < KW_NUMTOKS_ID - 1) tokens[i++] = p; } tokens[i] = NULL; if (*author != NULL) xfree(*author); if (*state != NULL) xfree(*state); /* only parse revision if one is not already set */ if (*rev == NULL) { if ((*rev = rcsnum_parse(tokens[2])) == NULL) fatal("could not parse rcsnum"); } len = strlen(tokens[5]) + 1; *author = xmalloc(len); strlcpy(*author, tokens[5], len); len = strlen(tokens[6]) + 1; *state = xmalloc(len); strlcpy(*state, tokens[6], len); len = strlen(tokens[3]) + strlen(tokens[4]) + 2; datestring = xmalloc(len); strlcpy(datestring, tokens[3], len); strlcat(datestring, " ", len); strlcat(datestring, tokens[4], len); if ((*date = cvs_date_parse(datestring)) <= 0) fatal("could not parse date\n"); xfree(datestring); break; case KW_TYPE_AUTHOR: for ((p = strtok(keystring, " ")); p; (p = strtok(NULL, " "))) { if (i < KW_NUMTOKS_AUTHOR - 1) tokens[i++] = p; } if (*author != NULL) xfree(*author); len = strlen(tokens[1]) + 1; *author = xmalloc(len); strlcpy(*author, tokens[1], len); break; case KW_TYPE_DATE: for ((p = strtok(keystring, " ")); p; (p = strtok(NULL, " "))) { if (i < KW_NUMTOKS_DATE - 1) tokens[i++] = p; } len = strlen(tokens[1]) + strlen(tokens[2]) + 2; datestring = xmalloc(len); strlcpy(datestring, tokens[1], len); strlcat(datestring, " ", len); strlcat(datestring, tokens[2], len); if ((*date = cvs_date_parse(datestring)) <= 0) fatal("could not parse date\n"); xfree(datestring); break; case KW_TYPE_STATE: for ((p = strtok(keystring, " ")); p; (p = strtok(NULL, " "))) { if (i < KW_NUMTOKS_STATE - 1) tokens[i++] = p; } if (*state != NULL) xfree(*state); len = strlen(tokens[1]) + 1; *state = xmalloc(len); strlcpy(*state, tokens[1], len); break; case KW_TYPE_REVISION: /* only parse revision if one is not already set */ if (*rev != NULL) break; for ((p = strtok(keystring, " ")); p; (p = strtok(NULL, " "))) { if (i < KW_NUMTOKS_REVISION - 1) tokens[i++] = p; } if ((*rev = rcsnum_parse(tokens[1])) == NULL) fatal("could not parse rcsnum"); break; } }