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/* $OpenBSD: config.c,v 1.17 2015/11/05 09:48:21 nicm Exp $ */
/*
* Copyright (c) 2006 Joris Vink <joris@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/dirent.h>
#include <sys/resource.h>
#include <errno.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include "cvs.h"
#include "config.h"
void
cvs_parse_configfile(void)
{
cvs_log(LP_TRACE, "cvs_parse_configfile()");
cvs_read_config(CVS_PATH_CONFIG, config_parse_line);
}
int
config_parse_line(char *line, int lineno)
{
struct rlimit rl;
const char *errstr;
char *val, *opt, *ep;
opt = line;
if ((val = strrchr(opt, '=')) == NULL)
fatal("cvs_parse_configfile: bad option '%s'", opt);
*(val++) = '\0';
if (!strcmp(opt, "tag")) {
free(cvs_tagname);
cvs_tagname = xstrdup(val);
} else if (!strcmp(opt, "umask")) {
cvs_umask = strtol(val, &ep, 8);
if (val == ep || *ep != '\0')
fatal("cvs_parse_configfile: umask %s is "
"invalid", val);
if (cvs_umask < 0 || cvs_umask > 07777)
fatal("cvs_parse_configfile: umask %s is "
"invalid", val);
} else if (!strcmp(opt, "dlimit")) {
if (getrlimit(RLIMIT_DATA, &rl) != -1) {
rl.rlim_cur = (int)strtonum(val, 0, INT_MAX,
&errstr);
if (errstr != NULL)
fatal("cvs_parse_configfile: %s: %s",
val, errstr);
rl.rlim_cur = rl.rlim_cur * 1024;
(void)setrlimit(RLIMIT_DATA, &rl);
}
} else {
cvs_log(LP_ERR, "ignoring unknown option '%s'", opt);
}
return (0);
}
void
cvs_read_config(char *name, int (*cb)(char *, int))
{
FILE *fp;
size_t len;
int lineno;
char *p, *buf, *lbuf, fpath[PATH_MAX];
(void)xsnprintf(fpath, sizeof(fpath), "%s/%s",
current_cvsroot->cr_dir, name);
if ((fp = fopen(fpath, "r")) == NULL)
return;
lbuf = NULL;
lineno = 0;
while ((buf = fgetln(fp, &len)) != NULL) {
lineno++;
if (buf[len - 1] == '\n') {
buf[len - 1] = '\0';
} else {
lbuf = xmalloc(len + 1);
memcpy(lbuf, buf, len);
lbuf[len] = '\0';
buf = lbuf;
}
p = buf;
while (*p == ' ' || *p == '\t')
p++;
if (p[0] == '#' || p[0] == '\0')
continue;
if (cb(p, lineno) < 0)
break;
}
free(lbuf);
(void)fclose(fp);
}
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