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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /misc/syslog.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'misc/syslog.c')
-rw-r--r--misc/syslog.c78
1 files changed, 52 insertions, 26 deletions
diff --git a/misc/syslog.c b/misc/syslog.c
index 6916356da7..5781b4a964 100644
--- a/misc/syslog.c
+++ b/misc/syslog.c
@@ -35,6 +35,7 @@ static char sccsid[] = "@(#)syslog.c 8.4 (Berkeley) 3/18/94";
#include <sys/socket.h>
#include <sys/syslog.h>
#include <sys/uio.h>
+#include <sys/un.h>
#include <netdb.h>
#include <errno.h>
@@ -57,6 +58,8 @@ static char sccsid[] = "@(#)syslog.c 8.4 (Berkeley) 3/18/94";
#endif
#include <libio/iolibio.h>
+#include <math_ldbl_opt.h>
+
#define ftell(s) INTUSE(_IO_ftell) (s)
static int LogType = SOCK_DGRAM; /* type of socket connection */
@@ -73,8 +76,13 @@ __libc_lock_define_initialized (static, syslog_lock)
static void openlog_internal(const char *, int, int) internal_function;
static void closelog_internal(void);
+#ifndef NO_SIGPIPE
static void sigpipe_handler (int);
+#endif
+#ifndef send_flags
+# define send_flags 0
+#endif
struct cleanup_arg
{
@@ -85,11 +93,13 @@ struct cleanup_arg
static void
cancel_handler (void *ptr)
{
+#ifndef NO_SIGPIPE
/* Restore the old signal handler. */
struct cleanup_arg *clarg = (struct cleanup_arg *) ptr;
if (clarg != NULL && clarg->oldaction != NULL)
__sigaction (SIGPIPE, clarg->oldaction, NULL);
+#endif
/* Free the lock. */
__libc_lock_unlock (syslog_lock);
@@ -101,32 +111,29 @@ 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
+__syslog(int pri, const char *fmt, ...)
{
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)
+ldbl_hidden_def (__syslog, syslog)
+ldbl_strong_alias (__syslog, 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;
@@ -135,8 +142,10 @@ vsyslog(pri, fmt, ap)
char *buf = 0;
size_t bufsize = 0;
size_t prioff, msgoff;
+#ifndef NO_SIGPIPE
struct sigaction action, oldaction;
int sigpipe;
+#endif
int saved_errno = errno;
char failbuf[3 * sizeof (pid_t) + sizeof "out of memory []"];
@@ -190,7 +199,7 @@ vsyslog(pri, fmt, ap)
- f->_IO_write_ptr,
"%h %e %T ",
__localtime_r (&now, &now_tm),
- &_nl_C_locobj);
+ _nl_C_locobj_ptr);
msgoff = ftell (f);
if (LogTag == NULL)
LogTag = __progname;
@@ -209,7 +218,10 @@ 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. */
@@ -247,6 +259,7 @@ vsyslog(pri, fmt, ap)
__libc_cleanup_push (cancel_handler, &clarg);
__libc_lock_lock (syslog_lock);
+#ifndef NO_SIGPIPE
/* Prepare for a broken connection. */
memset (&action, 0, sizeof (action));
action.sa_handler = sigpipe_handler;
@@ -254,6 +267,7 @@ vsyslog(pri, fmt, ap)
sigpipe = __sigaction (SIGPIPE, &action, &oldaction);
if (sigpipe == 0)
clarg.oldaction = &oldaction;
+#endif
/* Get connected, output the message to the local logger. */
if (!connected)
@@ -264,7 +278,7 @@ vsyslog(pri, fmt, ap)
if (LogType == SOCK_STREAM)
++bufsize;
- if (!connected || __send(LogFile, buf, bufsize, 0) < 0)
+ if (!connected || __send(LogFile, buf, bufsize, send_flags) < 0)
{
if (connected)
{
@@ -274,7 +288,7 @@ vsyslog(pri, fmt, ap)
openlog_internal(LogTag, LogStat | LOG_NDELAY, 0);
}
- if (!connected || __send(LogFile, buf, bufsize, 0) < 0)
+ if (!connected || __send(LogFile, buf, bufsize, send_flags) < 0)
{
closelog_internal (); /* attempt re-open next time */
/*
@@ -292,8 +306,10 @@ vsyslog(pri, fmt, ap)
}
}
+#ifndef NO_SIGPIPE
if (sigpipe == 0)
__sigaction (SIGPIPE, &oldaction, (struct sigaction *) NULL);
+#endif
/* End of critical section. */
__libc_cleanup_pop (0);
@@ -302,9 +318,17 @@ vsyslog(pri, fmt, ap)
if (buf != failbuf)
free (buf);
}
-libc_hidden_def (vsyslog)
+libc_hidden_def (__vsyslog_chk)
+
+void
+__vsyslog(int pri, const char *fmt, va_list ap)
+{
+ __vsyslog_chk (pri, -1, fmt, ap);
+}
+ldbl_hidden_def (__vsyslog, vsyslog)
+ldbl_strong_alias (__vsyslog, vsyslog)
-static struct sockaddr SyslogAddr; /* AF_UNIX address of local logger */
+static struct sockaddr_un SyslogAddr; /* AF_UNIX address of local logger */
static void
@@ -320,9 +344,9 @@ openlog_internal(const char *ident, int logstat, int logfac)
int retry = 0;
while (retry < 2) {
if (LogFile == -1) {
- SyslogAddr.sa_family = AF_UNIX;
- (void)strncpy(SyslogAddr.sa_data, _PATH_LOG,
- sizeof(SyslogAddr.sa_data));
+ SyslogAddr.sun_family = AF_UNIX;
+ (void)strncpy(SyslogAddr.sun_path, _PATH_LOG,
+ sizeof(SyslogAddr.sun_path));
if (LogStat & LOG_NDELAY) {
if ((LogFile = __socket(AF_UNIX, LogType, 0))
== -1)
@@ -368,11 +392,13 @@ openlog (const char *ident, int logstat, int logfac)
__libc_cleanup_pop (1);
}
+#ifndef NO_SIGPIPE
static void
sigpipe_handler (int signo)
{
closelog_internal ();
}
+#endif
static void
closelog_internal()