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save/restore errno as necessary (printf() et al might have modified it...)

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This commit is contained in:
lukem 1999-06-07 15:34:07 +00:00
parent 397b71aaca
commit b04ab05ddd
1 changed files with 9 additions and 1 deletions
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10
usr.sbin/syslogd/syslogd.c
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@ -41,7 +41,7 @@ __COPYRIGHT("@(#) Copyright (c) 1983, 1988, 1993, 1994\n\
#if 0
static char sccsid[] = "@(#)syslogd.c 8.3 (Berkeley) 4/4/94";
#else
__RCSID("$NetBSD: syslogd.c,v 1.27 1999/06/06 01:55:58 thorpej Exp $");
__RCSID("$NetBSD: syslogd.c,v 1.28 1999/06/07 15:34:07 lukem Exp $");
#endif
#endif /* not lint */
@ -305,9 +305,12 @@ main(argc, argv)
if (funix[j] < 0 || bind(funix[j],
(struct sockaddr *)&sunx, SUN_LEN(&sunx)) < 0 ||
chmod(*pp, 0666) < 0) {
int serrno = errno;
(void)snprintf(line, sizeof line,
"cannot create %s", *pp);
errno = serrno;
logerror(line);
errno = serrno;
dprintf("cannot create %s (%d)\n", *pp, errno);
die(0);
}
@ -417,9 +420,11 @@ main(argc, argv)
printline(LocalHostName, line);
} else if (i < 0 && errno != EINTR) {
char buf[MAXPATHLEN];
int serrno = errno;
(void)snprintf(buf, sizeof buf,
"recvfrom unix %s", *pp);
errno = serrno;
logerror(buf);
}
}
@ -491,7 +496,10 @@ logpath_fileadd(lp, szp, maxszp, file)
fp = fopen(file, "r");
if (fp == NULL) {
int serrno = errno;
dprintf("can't open %s (%d)\n", file, errno);
errno = serrno;
logerror("could not open socket file list");
die(0);
}