File: info_msg.c

package info (click to toggle)
busybox 1%3A1.22.0-19
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 16,504 kB
  • sloc: ansic: 187,199; sh: 6,812; cpp: 1,428; makefile: 1,052; yacc: 570; lex: 355; perl: 312; python: 255; awk: 29
file content (62 lines) | stat: -rw-r--r-- 1,137 bytes parent folder | download | duplicates (3)
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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
/* 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 source tree.
 */

#include "libbb.h"
#if ENABLE_FEATURE_SYSLOG
# include <syslog.h>
#endif

void FAST_FUNC bb_info_msg(const char *s, ...)
{
#ifdef THIS_ONE_DOESNT_DO_SINGLE_WRITE
	va_list p;
	/* va_copy is used because it is not portable
	 * to use va_list p twice */
	va_list p2;

	va_start(p, s);
	va_copy(p2, p);
	if (logmode & LOGMODE_STDIO) {
		vprintf(s, p);
		fputs(msg_eol, stdout);
	}
# if ENABLE_FEATURE_SYSLOG
	if (logmode & LOGMODE_SYSLOG)
		vsyslog(LOG_INFO, s, p2);
# endif
	va_end(p2);
	va_end(p);
#else
	int used;
	char *msg;
	va_list p;

	if (logmode == 0)
		return;

	va_start(p, s);
	used = vasprintf(&msg, s, p);
	va_end(p);
	if (used < 0)
		return;

# if ENABLE_FEATURE_SYSLOG
	if (logmode & LOGMODE_SYSLOG)
		syslog(LOG_INFO, "%s", msg);
# endif
	if (logmode & LOGMODE_STDIO) {
		fflush_all();
		/* used = strlen(msg); - must be true already */
		msg[used++] = '\n';
		full_write(STDOUT_FILENO, msg, used);
	}

	free(msg);
#endif
}