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authorUlrich Drepper <drepper@redhat.com>2005-07-30 06:00:43 +0000
committerUlrich Drepper <drepper@redhat.com>2005-07-30 06:00:43 +0000
commit29c21e490099c35fb3e35c2c493b6b480b211e72 (patch)
tree7dc69b6d2492e181c548e5b6714bb9bb62a2119e /sysdeps
parent155c581323f45dd7657ff011be1590a5ffdc4fa0 (diff)
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* misc/bits/syslog.h: New file.
* misc/sys/syslog.h: Include <bits/syslog.h> for fortification. * misc/Makefile (headers): Add bits/syslog.h. * include/sys/syslog.h: Add __vsyslog_chk prototype and hidden_proto. * sysdeps/generic/syslog.c: Change vsyslog function to __vsyslog_chk. Call __vfprintf_chk if necessary. Make vsyslog a wrapper. Add __syslog_chk. * misc/Versions: Export __syslog_chk and __vsyslog_chk. * nis/nis_xdr.c: Help gcc to avoid generating unnecessary wrapper functions.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/generic/syslog.c41
1 files changed, 25 insertions, 16 deletions
diff --git a/sysdeps/generic/syslog.c b/sysdeps/generic/syslog.c
index 9c8f422aad..9c5597f5aa 100644
--- a/sysdeps/generic/syslog.c
+++ b/sysdeps/generic/syslog.c
@@ -108,32 +108,28 @@ cancel_handler (void *ptr)
* print message on log file; output is intended for syslogd(8).
*/
void
-#if __STDC__
syslog(int pri, const char *fmt, ...)
-#else
-syslog(pri, fmt, va_alist)
- int pri;
- char *fmt;
- va_dcl
-#endif
{
va_list ap;
-#if __STDC__
va_start(ap, fmt);
-#else
- va_start(ap);
-#endif
- vsyslog(pri, fmt, ap);
+ __vsyslog_chk(pri, -1, fmt, ap);
va_end(ap);
}
libc_hidden_def (syslog)
void
-vsyslog(pri, fmt, ap)
- int pri;
- register const char *fmt;
+__syslog_chk(int pri, int flag, const char *fmt, ...)
+{
va_list ap;
+
+ va_start(ap, fmt);
+ __vsyslog_chk(pri, flag, fmt, ap);
+ va_end(ap);
+}
+
+void
+__vsyslog_chk(int pri, int flag, const char *fmt, va_list ap)
{
struct tm now_tm;
time_t now;
@@ -218,7 +214,10 @@ vsyslog(pri, fmt, ap)
/* We have the header. Print the user's format into the
buffer. */
- vfprintf (f, fmt, ap);
+ if (flag == -1)
+ vfprintf (f, fmt, ap);
+ else
+ __vfprintf_chk (f, flag, fmt, ap);
/* Close the memory stream; this will finalize the data
into a malloc'd buffer in BUF. */
@@ -315,6 +314,16 @@ vsyslog(pri, fmt, ap)
if (buf != failbuf)
free (buf);
}
+libc_hidden_def (__vsyslog_chk)
+
+void
+vsyslog(pri, fmt, ap)
+ int pri;
+ register const char *fmt;
+ va_list ap;
+{
+ __vsyslog_chk (pri, -1, fmt, ap);
+}
libc_hidden_def (vsyslog)
static struct sockaddr SyslogAddr; /* AF_UNIX address of local logger */