1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/* 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 <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <syslog.h>
#include "libbb.h"
int logmode = LOGMODE_STDIO;
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)
fputc('\n', stderr);
else
fprintf(stderr, ": %s\n", strerr);
}
if (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);
}
|