busybox/libbb/verror_msg.c

47 lines
1016 B
C
Raw Normal View History

/* vi: set sw=4 ts=4: */
/*
* Utility routines.
*
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include "libbb.h"
#include <syslog.h>
int logmode = LOGMODE_STDIO;
const char *msg_eol = "\n";
void bb_verror_msg(const char *s, va_list p, const char* strerr)
{
/* va_copy is used because it is not portable
* to use va_list p twice */
va_list p2;
va_copy(p2, p);
if (logmode & LOGMODE_STDIO) {
fflush(stdout);
fprintf(stderr, "%s: ", bb_applet_name);
vfprintf(stderr, s, p);
if (!strerr)
fputs(msg_eol, stderr);
else
fprintf(stderr, "%s%s%s",
s ? ": " : "",
strerr, msg_eol);
}
if (ENABLE_FEATURE_SYSLOG && (logmode & LOGMODE_SYSLOG)) {
if (!strerr)
vsyslog(LOG_ERR, s, p2);
else {
char *msg;
if (vasprintf(&msg, s, p2) < 0)
bb_error_msg_and_die(bb_msg_memory_exhausted);
syslog(LOG_ERR, "%s: %s", msg, strerr);
free(msg);
}
}
va_end(p2);
}