File: [local] / src / usr.bin / rcs / ci.c (download)
Revision 1.102, Mon Feb 20 16:30:18 2006 UTC (18 years, 3 months ago) by niallo
Branch: MAIN
CVS Tags: OPENBSD_3_9_BASE, OPENBSD_3_9
Changes since 1.101: +2 -2 lines
- more spacing
|
/* $OpenBSD: ci.c,v 1.102 2006/02/20 16:30:18 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 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::j::k::l::m:M::N:n:qr::s:Tt:u::Vw:x:"
#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 LOG_INIT "Initial revision"
#define LOG_PROMPT "enter log message, terminated with a single '.' " \
"or end of file:\n>> "
#define DESC_PROMPT "enter description, terminated with single '.' " \
"or end of file:\nNOTE: This is NOT the log message!" \
"\n>> "
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_choose_rcsfile(const char *);
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 [-MNqTV] [-d[date]] [-f[rev]] [-i[rev]] [-j[rev]]\n"
" [-k[rev]] [-l[rev]] [-M[rev]] [-mmsg] [-Nsymbol]\n"
" [-nsymbol] [-r[rev]] [-sstate] [-tfile|str] [-u[rev]]\n"
" [-wusername] [-xsuffixes] 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.fmode = pb.flags = status = 0;
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);
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);
case 'w':
pb.author = xstrdup(rcs_optarg);
break;
case 'x':
rcs_suffixes = 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 = checkin_choose_rcsfile(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);
}
if (verbose == 1)
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;
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);
return (NULL);
}
if ((b2 = rcs_getrev(pb->file, pb->frev)) == NULL) {
cvs_log(LP_ERR, "failed to load revision");
cvs_buf_free(b1);
return (NULL);
}
if ((b3 = cvs_buf_alloc((size_t)128, BUF_AUTOEXT)) == NULL) {
cvs_log(LP_ERR, "failed to allocated buffer for diff");
cvs_buf_free(b1);
cvs_buf_free(b2);
return (NULL);
}
strlcpy(path1, rcs_tmpdir, sizeof(path1));
strlcat(path1, "/diff1.XXXXXXXXXX", sizeof(path1));
if (cvs_buf_write_stmp(b1, path1, 0600) == -1) {
cvs_log(LP_ERRNO, "could not write temporary file");
cvs_buf_free(b1);
cvs_buf_free(b2);
return (NULL);
}
cvs_buf_free(b1);
strlcpy(path2, rcs_tmpdir, sizeof(path2));
strlcat(path2, "/diff2.XXXXXXXXXX", sizeof(path2));
if (cvs_buf_write_stmp(b2, path2, 0600) == -1) {
cvs_buf_free(b2);
(void)unlink(path1);
return (NULL);
}
cvs_buf_free(b2);
diff_format = D_RCSDIFF;
cvs_diffreg(path1, path2, b3);
(void)unlink(path1);
(void)unlink(path2);
cvs_buf_putc(b3, '\0');
deltatext = (char *)cvs_buf_release(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(LOG_PROMPT);
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(DESC_PROMPT);
return (description);
}
/*
* checkin_getinput()
*
* Get some input from the user, in RCS style, prompting with message <prompt>.
* 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);
}
printf(prompt);
for (;;) {
fgets(buf, (int)sizeof(buf), stdin);
if (feof(stdin) || ferror(stdin) || buf[0] == '.')
break;
cvs_buf_append(inputbuf, buf, strlen(buf));
printf(">> ");
}
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];
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;
if (checkin_checklock(pb) < 0)
return (-1);
/* 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)));
rcs_close(pb->file);
return (-1);
}
/* Load file contents */
if ((bp = cvs_buf_load(pb->filename, BUF_AUTOEXT)) == NULL) {
cvs_log(LP_ERR, "failed to load '%s'", pb->filename);
return (-1);
}
if (cvs_buf_putc(bp, '\0') < 0)
return (-1);
filec = (char *)cvs_buf_release(bp);
/* Get RCS patch */
if ((pb->deltatext = checkin_diff_file(pb)) == NULL) {
cvs_log(LP_ERR, "failed to get diff");
return (-1);
}
/*
* 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);
return (0);
}
/* 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");
/*
* 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))
return (-1);
/* 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");
return (-1);
}
/*
* 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))
return (-1);
/* Set the state of this revision if specified. */
if (pb->state != NULL)
(void)rcs_state_set(pb->file, pb->newrev, pb->state);
xfree(pb->deltatext);
xfree(filec);
(void)unlink(pb->filename);
/* 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);
/* File will NOW be synced */
rcs_close(pb->file);
if (pb->flags & INTERACTIVE) {
xfree(pb->rcs_msg);
pb->rcs_msg = NULL;
}
return (0);
}
/*
* 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];
const char *rcs_desc;
/* Load file contents */
if ((bp = cvs_buf_load(pb->filename, BUF_AUTOEXT)) == NULL) {
cvs_log(LP_ERR, "failed to load '%s'", pb->filename);
return (-1);
}
if (cvs_buf_putc(bp, '\0') < 0)
return (-1);
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);
xfree(filec);
return (-1);
}
if (cvs_buf_putc(dp, '\0') < 0) {
xfree(filec);
return (-1);
}
rcs_desc = (const char *)cvs_buf_release(dp);
}
}
rcs_desc_set(pb->file, rcs_desc);
/*
* 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))
return (-1);
/* Now add our new revision */
if (rcs_rev_add(pb->file,
(pb->newrev == NULL ? RCS_HEAD_REV : pb->newrev),
LOG_INIT, pb->date, pb->author) != 0) {
cvs_log(LP_ERR, "failed to add new revision");
return (-1);
}
/*
* 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");
return (-1);
}
/* Attach a symbolic name to this revision if specified. */
if (pb->symbol != NULL
&& (checkin_attach_symbol(pb) < 0))
return (-1);
/* Set the state of this revision if specified. */
if (pb->state != NULL)
(void)rcs_state_set(pb->file, pb->newrev, pb->state);
xfree(filec);
(void)unlink(pb->filename);
/* 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);
printf("initial revision: %s\n",
rcsnum_tostr(pb->newrev, numb, sizeof(numb)));
/* File will NOW be synced */
rcs_close(pb->file);
return (0);
}
/*
* 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);
rcs_close(pb->file);
return (-1);
} else if (ret == -1) {
cvs_log(LP_ERR, "problem adding symbol: %s",
pb->symbol);
rcs_close(pb->file);
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);
rcs_lock_remove(pb->file, pb->username, pb->frev);
rcs_close(pb->file);
}
/*
* 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);
rcs_close(pb->file);
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);
rcs_close(pb->file);
return (-1);
}
pb->date = (time_t)sb.st_mtimespec.tv_sec;
return (0);
}
/*
* checkin_choose_rcsfile()
*
* Given a relative filename, decide where the corresponding ,v file
* should be.
*
* Returns pointer to a char array on success, NULL on failure.
*/
static char *
checkin_choose_rcsfile(const char *filename)
{
char name[MAXPATHLEN], *basepath;
const char *ptr;
size_t len;
struct stat sb;
basepath = xmalloc(MAXPATHLEN);
basepath[0] = '\0';
if (strchr(filename, '/') == NULL) {
strlcat(basepath, RCSDIR"/", MAXPATHLEN);
if ((stat(basepath, &sb) == 0) && (sb.st_mode & S_IFDIR)) {
/* <path>/RCS/<filename>,v */
strlcat(basepath, filename, MAXPATHLEN);
strlcat(basepath, RCS_FILE_EXT, MAXPATHLEN);
} else {
/* <path>/<filename>,v */
strlcpy(basepath, filename, MAXPATHLEN);
strlcat(basepath, RCS_FILE_EXT, MAXPATHLEN);
}
} else {
ptr = filename;
/* Walk backwards till we find the base directory */
len = strlen(filename);
ptr += len + 1;
while (filename[len] != '/') {
len--;
ptr--;
}
/*
* Need two bytes extra for trailing slash and
* NUL-termination.
*/
len += 2;
if (len > MAXPATHLEN) {
xfree(basepath);
return (NULL);
}
strlcpy(basepath, filename, len);
strlcpy(name, ptr, MAXPATHLEN);
strlcat(basepath, RCSDIR"/", MAXPATHLEN);
if ((stat(basepath, &sb) == 0) && (sb.st_mode & S_IFDIR)) {
/* <path>/RCS/<filename>,v */
strlcat(basepath, name, MAXPATHLEN);
strlcat(basepath, RCS_FILE_EXT, MAXPATHLEN);
} else {
/* <path>/<filename>,v */
strlcpy(basepath, filename, MAXPATHLEN);
strlcat(basepath, RCS_FILE_EXT, MAXPATHLEN);
}
}
return (basepath);
}
/*
* 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 len;
u_int i, j, found, end;
char *c, *kwstr, *start, buf[128];
c = start = kwstr = NULL;
i = found = 0;
len = strlen(data);
for (c = data; *c != '\0' && i < len; *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;
}
return;
}
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