@@ -123,13 +123,10 @@ void
__vsyslog_internal(int pri, const char *fmt, va_list ap,
unsigned int mode_flags)
{
- struct tm now_tm;
- time_t now;
- int fd;
FILE *f;
char *buf = 0;
size_t bufsize = 0;
- size_t msgoff;
+ int msgoff;
int saved_errno = errno;
char failbuf[3 * sizeof (pid_t) + sizeof "out of memory []"];
@@ -143,9 +140,7 @@ __vsyslog_internal(int pri, const char *fmt, va_list ap,
/* Prepare for multiple users. We have to take care: most syscalls we are
using are cancellation points. */
- struct cleanup_arg clarg;
- clarg.buf = NULL;
- clarg.oldaction = NULL;
+ struct cleanup_arg clarg = { NULL, NULL };
__libc_cleanup_push (cancel_handler, &clarg);
__libc_lock_lock (syslog_lock);
@@ -159,51 +154,24 @@ __vsyslog_internal(int pri, const char *fmt, va_list ap,
/* Build the message in a memory-buffer stream. */
f = __open_memstream (&buf, &bufsize);
- if (f == NULL)
- {
- /* We cannot get a stream. There is not much we can do but emitting an
- error messages. */
- char numbuf[3 * sizeof (pid_t)];
- char *nump;
- char *endp = __stpcpy (failbuf, "out of memory [");
- pid_t pid = __getpid ();
-
- nump = numbuf + sizeof (numbuf);
- /* The PID can never be zero. */
- do
- *--nump = '0' + pid % 10;
- while ((pid /= 10) != 0);
-
- endp = __mempcpy (endp, nump, (numbuf + sizeof (numbuf)) - nump);
- *endp++ = ']';
- *endp = '\0';
- buf = failbuf;
- bufsize = endp - failbuf;
- msgoff = 0;
- }
- else
+ if (f != NULL)
{
__fsetlocking (f, FSETLOCKING_BYCALLER);
- fprintf (f, "<%d>", pri);
- now = time_now ();
- f->_IO_write_ptr += __strftime_l (f->_IO_write_ptr,
- f->_IO_write_end - f->_IO_write_ptr,
- "%h %e %T ",
- __localtime_r (&now, &now_tm),
- _nl_C_locobj_ptr);
- msgoff = ftell (f);
- if (LogTag == NULL)
- LogTag = __progname;
- if (LogTag != NULL)
- __fputs_unlocked (LogTag, f);
- if (LogStat & LOG_PID)
- fprintf (f, "[%d]", (int) __getpid ());
- if (LogTag != NULL)
- {
- __putc_unlocked (':', f);
- __putc_unlocked (' ', f);
- }
-
+ /* "%h %e %H:%M:%S" */
+ char timebuf[3+1 /* "%h " */
+ + 2+1 /* "%e " */
+ + 2+1 + 2+1 + 2+1 /* "%T" */];
+ time_t now = time_now ();
+ struct tm now_tm;
+ __localtime_r (&now, &now_tm);
+ __strftime_l (timebuf, sizeof (timebuf), "%h %e %T", &now_tm,
+ _nl_C_locobj_ptr);
+
+ pid_t pid = LogStat & LOG_PID ? __getpid () : 0;
+
+ fprintf (f, "<%d>%s %n%s%s%.0d%s: ", pri, timebuf, &msgoff,
+ LogTag == NULL ? __progname : LogTag,
+ pid != 0 ? "[" : "", pid, pid != 0 ? "]" : "");
/* Restore errno for %m format. */
__set_errno (saved_errno);
@@ -217,26 +185,19 @@ __vsyslog_internal(int pri, const char *fmt, va_list ap,
/* Tell the cancellation handler to free this buffer. */
clarg.buf = buf;
}
+ else
+ {
+ /* We cannot get a stream. There is not much we can do but emitting an
+ error messages. */
+ bufsize = __snprintf (failbuf, sizeof failbuf, "out of memory[%d]",
+ __getpid ());
+ buf = failbuf;
+ }
/* Output to stderr if requested. */
if (LogStat & LOG_PERROR)
- {
- struct iovec iov[2];
- struct iovec *v = iov;
-
- v->iov_base = buf + msgoff;
- v->iov_len = bufsize - msgoff;
- /* Append a newline if necessary. */
- if (buf[bufsize - 1] != '\n')
- {
- ++v;
- v->iov_base = (char *) "\n";
- v->iov_len = 1;
- }
-
- /* writev is a cancellation point. */
- __writev (STDERR_FILENO, iov, v - iov + 1);
- }
+ __dprintf (STDERR_FILENO, "%s%s", buf + msgoff,
+ buf[bufsize - 1] != '\n' ? "\n" : "");
/* Get connected, output the message to the local logger. */
if (!connected)
@@ -265,6 +226,7 @@ __vsyslog_internal(int pri, const char *fmt, va_list ap,
* Make sure the error reported is the one from the
* syslogd failure.
*/
+ int fd;
if (LogStat & LOG_CONS &&
(fd = __open (_PATH_CONSOLE, O_WRONLY | O_NOCTTY
| O_CLOEXEC, 0))