File: [local] / src / usr.bin / rcs / ci.c (download)
Revision 1.176, Mon May 29 02:58:16 2006 UTC (18 years ago) by niallo
Branch: MAIN
Changes since 1.175: +3 -3 lines
- zap unrequired casts for rcs_buf_release().
|
/* $OpenBSD: ci.c,v 1.176 2006/05/29 02:58:16 niallo Exp $ */
/*
* Copyright (c) 2005, 2006 Niall O'Higgins <niallo@openbsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions 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[];
static int workfile_fd;
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, *description, *state, *symbol;
};
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_getlogmsg(RCSNUM *, RCSNUM *, int);
static int checkin_init(struct checkin_params *);
static int checkin_keywordscan(char *, RCSNUM **, time_t *, char **,
char **);
static int checkin_keywordtype(char *);
static void 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] [-tstr]\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 fd;
int i, ch, status;
char *rev_str;
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 = pb.deltatext = 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;
rev_str = NULL;
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 = rcs_date_parse(rcs_optarg)) <= 0)
errx(1, "invalid date");
break;
case 'f':
rcs_setrevstr(&rev_str, rcs_optarg);
pb.flags |= FORCE;
break;
case 'I':
rcs_setrevstr(&rev_str, rcs_optarg);
pb.flags |= INTERACTIVE;
break;
case 'i':
rcs_setrevstr(&rev_str, rcs_optarg);
pb.openflags |= RCS_CREATE;
pb.flags |= CI_INIT;
break;
case 'j':
rcs_setrevstr(&rev_str, rcs_optarg);
pb.openflags &= ~RCS_CREATE;
pb.flags &= ~CI_INIT;
break;
case 'k':
rcs_setrevstr(&rev_str, rcs_optarg);
pb.flags |= CI_KEYWORDSCAN;
break;
case 'l':
rcs_setrevstr(&rev_str, rcs_optarg);
pb.flags |= CO_LOCK;
break;
case 'M':
rcs_setrevstr(&rev_str, rcs_optarg);
pb.flags |= CO_REVDATE;
break;
case 'm':
pb.rcs_msg = rcs_optarg;
if (pb.rcs_msg == NULL)
errx(1, "missing message for -m option");
pb.flags &= ~INTERACTIVE;
break;
case 'N':
pb.flags |= CI_SYMFORCE;
/* FALLTHROUGH */
case 'n':
if (pb.symbol != NULL)
xfree(pb.symbol);
pb.symbol = xstrdup(rcs_optarg);
if (rcs_sym_check(pb.symbol) != 1)
errx(1, "invalid symbol `%s'", pb.symbol);
break;
case 'q':
pb.flags |= QUIET;
break;
case 'r':
rcs_setrevstr(&rev_str, rcs_optarg);
pb.flags |= CI_DEFAULT;
break;
case 's':
pb.state = rcs_optarg;
if (rcs_state_check(pb.state) < 0)
errx(1, "invalid state `%s'", pb.state);
break;
case 'T':
pb.flags |= PRESERVETIME;
break;
case 't':
/* Ignore bare -t; kept for backwards compatibility. */
if (rcs_optarg == NULL)
break;
pb.description = rcs_optarg;
pb.flags |= DESCRIPTION;
break;
case 'u':
rcs_setrevstr(&rev_str, rcs_optarg);
pb.flags |= CO_UNLOCK;
break;
case 'V':
printf("%s\n", rcs_version);
exit(0);
case 'w':
if (pb.author != NULL)
xfree(pb.author);
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) {
warnx("no input file");
(usage)();
exit(1);
}
if ((pb.username = getlogin()) == NULL)
err(1, "getlogin");
for (i = 0; i < argc; i++) {
pb.filename = argv[i];
if ((workfile_fd = open(pb.filename, O_RDONLY)) == -1)
err(1, "%s", pb.filename);
/* Find RCS file path. */
fd = rcs_choosefile(pb.filename, pb.fpath, sizeof(pb.fpath));
if (fd < 0) {
if (pb.openflags & RCS_CREATE)
pb.flags |= NEWFILE;
else {
warnx("No existing RCS file");
status = 1;
(void)close(workfile_fd);
continue;
}
} else {
if (pb.flags & CI_INIT) {
warnx("%s already exists", pb.fpath);
status = 1;
(void)close(fd);
(void)close(workfile_fd);
continue;
}
pb.openflags &= ~RCS_CREATE;
}
pb.file = rcs_open(pb.fpath, fd, pb.openflags, pb.fmode);
if (pb.file == NULL)
errx(1, "failed to open rcsfile `%s'", pb.fpath);
if (pb.flags & DESCRIPTION)
rcs_set_description(pb.file, pb.description);
if (!(pb.flags & QUIET))
(void)fprintf(stderr,
"%s <-- %s\n", pb.fpath, pb.filename);
/* XXX - Should we rcsnum_free(pb.newrev)? */
if (rev_str != NULL)
if ((pb.newrev = rcs_getrevnum(rev_str, pb.file)) ==
NULL)
errx(1, "invalid revision: %s", rev_str);
if (!(pb.flags & NEWFILE))
pb.flags |= CI_SKIPDESC;
/* XXX - support for commiting to a file without revisions */
if (pb.file->rf_ndelta == 0) {
pb.flags |= NEWFILE;
pb.file->rf_flags |= RCS_CREATE;
}
/*
* workfile_fd will be closed in checkin_init or
* checkin_update
*/
if (pb.flags & NEWFILE) {
if (checkin_init(&pb) == -1)
status = 1;
} else {
if (checkin_update(&pb) == -1)
status = 1;
}
/* reset NEWFILE flag */
pb.flags &= ~NEWFILE;
rcs_close(pb.file);
}
if (!(pb.flags & QUIET) && status == 0)
(void)fprintf(stderr, "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, *path2;
BUF *b1, *b2, *b3;
char rbuf[64], *deltatext;
b1 = b2 = b3 = NULL;
deltatext = NULL;
rcsnum_tostr(pb->frev, rbuf, sizeof(rbuf));
if ((b1 = rcs_buf_load(pb->filename, BUF_AUTOEXT)) == NULL) {
warnx("failed to load file: `%s'", pb->filename);
goto out;
}
if ((b2 = rcs_getrev(pb->file, pb->frev)) == NULL) {
warnx("failed to load revision");
goto out;
}
if ((b3 = rcs_buf_alloc(128, BUF_AUTOEXT)) == NULL) {
warnx("failed to allocated buffer for diff");
goto out;
}
(void)xasprintf(&path1, "%s/diff1.XXXXXXXXXX", rcs_tmpdir);
rcs_buf_write_stmp(b1, path1, 0600);
rcs_buf_free(b1);
b1 = NULL;
(void)xasprintf(&path2, "%s/diff2.XXXXXXXXXX", rcs_tmpdir);
rcs_buf_write_stmp(b2, path2, 0600);
rcs_buf_free(b2);
b2 = NULL;
diff_format = D_RCSDIFF;
if (rcs_diffreg(path1, path2, b3) == D_ERROR)
goto out;
rcs_buf_putc(b3, '\0');
deltatext = rcs_buf_release(b3);
b3 = NULL;
out:
if (b1 != NULL)
rcs_buf_free(b1);
if (b2 != NULL)
rcs_buf_free(b2);
if (b3 != NULL)
rcs_buf_free(b3);
if (path1 != NULL)
xfree(path1);
if (path2 != NULL)
xfree(path2);
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, int flags)
{
char *rcs_msg, nrev[16], prev[16];
const char *prompt =
"enter log message, terminated with a single '.' or end of file:\n";
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 (!(flags & QUIET))
(void)fprintf(stderr, "new revision: %s; "
"previous revision: %s\n", nrev, prev);
rcs_msg = rcs_prompt(prompt);
return (rcs_msg);
}
/*
* 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;
filec = NULL;
/*
* 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 = rcs_buf_load(pb->filename, BUF_AUTOEXT)) == NULL)
goto fail;
rcs_buf_putc(bp, '\0');
filec = (char *)rcs_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) {
warnx("%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);
/* 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 = gmtime(&pb->date);
strftime(dbuf1, sizeof(dbuf1), fmt, t);
t_head = gmtime(&head_date);
strftime(dbuf2, sizeof(dbuf2), fmt, t_head);
errx(1, "%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) {
warnx("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 out;
}
/* If no log message specified, get it interactively. */
if (pb->flags & INTERACTIVE)
pb->rcs_msg = checkin_getlogmsg(pb->frev, pb->newrev,
pb->flags);
if (rcs_lock_remove(pb->file, pb->username, pb->frev) < 0) {
if (rcs_errno != RCS_ERR_NOENT)
warnx("failed to remove lock");
else if (!(pb->flags & CO_LOCK))
warnx("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)
errx(1, "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) {
warnx("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) {
if (rcs_head_set(pb->file, pb->newrev) < 0)
errx(1, "rcs_head_set failed");
} 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)
errx(1, "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 (fstat(workfile_fd, &st) == -1)
err(1, "%s", pb->filename);
/* Strip all the write bits */
pb->file->rf_mode = st.st_mode &
(S_IXUSR|S_IXGRP|S_IXOTH|S_IRUSR|S_IRGRP|S_IROTH);
(void)close(workfile_fd);
(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;
}
out:
xfree(pb->deltatext);
xfree(filec);
return (0);
fail:
if (filec != NULL)
xfree(filec);
if (pb->deltatext != NULL)
xfree(pb->deltatext);
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;
char *filec, numb[64];
int fetchlog = 0;
struct stat st;
filec = NULL;
/* 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 = rcs_buf_load(pb->filename, BUF_AUTOEXT)) == NULL)
goto fail;
rcs_buf_putc(bp, '\0');
filec = rcs_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);
if (pb->flags & CI_SKIPDESC)
goto skipdesc;
/* Get description from user */
if (pb->description == NULL)
rcs_set_description(pb->file, NULL);
skipdesc:
/*
* 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,
pb->flags);
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);
/* 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) {
warnx("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) {
if (rcs_head_set(pb->file, pb->newrev) < 0)
errx(1, "rcs_head_set failed");
} 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) {
warnx("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 (fstat(workfile_fd, &st) == -1)
err(1, "%s", pb->filename);
/* 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)close(workfile_fd);
(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 & QUIET)) {
fprintf(stderr, "initial revision: %s\n",
rcsnum_tostr(pb->newrev, numb, sizeof(numb)));
}
return (0);
fail:
if (filec != NULL)
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 (!(pb->flags & QUIET))
printf("symbol: %s\n", pb->symbol);
if (pb->flags & CI_SYMFORCE) {
if (rcs_sym_remove(pb->file, pb->symbol) < 0) {
if (rcs_errno != RCS_ERR_NOENT) {
warnx("problem removing symbol: %s",
pb->symbol);
return (-1);
}
}
}
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));
warnx("symbolic name %s already bound to %s", pb->symbol, rbuf);
return (-1);
} else if (ret == -1) {
warnx("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));
if (!(pb->flags & QUIET))
(void)fprintf(stderr, "file is unchanged; reverting "
"to previous revision %s\n", rbuf);
pb->flags |= CO_REVERT;
(void)close(workfile_fd);
(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);
}
/*
* 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);
}
warnx("%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.
*/
static void
checkin_mtimedate(struct checkin_params *pb)
{
struct stat sb;
if (fstat(workfile_fd, &sb) == -1)
err(1, "%s", pb->filename);
pb->date = (time_t)sb.st_mtimespec.tv_sec;
}
/*
* 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;
char *c, *kwstr, *start, buf[128];
kwstr = NULL;
for (c = data; (c = strchr(c, '$')) != NULL;) {
size_t len;
start = c;
c++;
if (!isalpha(*c))
continue;
/* look for any matching keywords */
for (j = 0; j < 10; j++) {
len = strlen(rcs_expkw[j].kw_str);
if (strncmp(c, rcs_expkw[j].kw_str, len) != 0) {
kwstr = rcs_expkw[j].kw_str;
break;
}
}
/* unknown keyword, continue looking */
if (kwstr == NULL)
continue;
c += len;
if (*c != ':')
continue;
/* Find end of line or end of keyword. */
c += strcspn(c, "$\n");
if (*c != '$')
continue;
end = c - start + 2;
if (strlcpy(buf, start, end) >= end)
errx(1, "keyword buffer too small!");
checkin_parsekeyword(buf, rev, date, author, state);
}
if (kwstr == NULL)
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)
errx(1, "could not parse rcsnum");
}
*author = xstrdup(tokens[5]);
*state = xstrdup(tokens[6]);
len = strlen(tokens[3]) + strlen(tokens[4]) + 2;
datestring = xmalloc(len);
if (strlcpy(datestring, tokens[3], len) >= len ||
strlcat(datestring, " ", len) >= len ||
strlcat(datestring, tokens[4], len) >= len)
errx(1, "date too long");
if ((*date = rcs_date_parse(datestring)) <= 0)
errx(1, "could not parse date");
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);
*author = xstrdup(tokens[1]);
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);
if (strlcpy(datestring, tokens[1], len) >= len ||
strlcat(datestring, " ", len) >= len ||
strlcat(datestring, tokens[2], len) >= len)
errx(1, "date too long");
if ((*date = rcs_date_parse(datestring)) <= 0)
errx(1, "could not parse date");
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);
*state = xstrdup(tokens[1]);
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)
errx(1, "could not parse rcsnum");
break;
}
}