busybox/libbb/info_msg.c

/* 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>

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 && (logmode & LOGMODE_SYSLOG))
		vsyslog(LOG_INFO, s, p2);
	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 && (logmode & LOGMODE_SYSLOG))
		syslog(LOG_INFO, "%s", msg);
	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
}
1	/* vi: set sw=4 ts=4: */
2	/*
3	* Utility routines.
4	*
5	* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
6	*
7	* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
8	*/
9
10	#include "libbb.h"
11	#include <syslog.h>
12
13	void FAST_FUNC bb_info_msg(const char *s, ...)
14	{
15	#ifdef THIS_ONE_DOESNT_DO_SINGLE_WRITE
16	va_list p;
17	/* va_copy is used because it is not portable
18	* to use va_list p twice */
19	va_list p2;
20
21	va_start(p, s);
22	va_copy(p2, p);
23	if (logmode & LOGMODE_STDIO) {
24	vprintf(s, p);
25	fputs(msg_eol, stdout);
26	}
27	if (ENABLE_FEATURE_SYSLOG && (logmode & LOGMODE_SYSLOG))
28	vsyslog(LOG_INFO, s, p2);
29	va_end(p2);
30	va_end(p);
31	#else
32	int used;
33	char *msg;
34	va_list p;
35
36	if (logmode == 0)
37	return;
38
39	va_start(p, s);
40	used = vasprintf(&msg, s, p);
41	va_end(p);
42	if (used < 0)
43	return;
44
45	if (ENABLE_FEATURE_SYSLOG && (logmode & LOGMODE_SYSLOG))
46	syslog(LOG_INFO, "%s", msg);
47	if (logmode & LOGMODE_STDIO) {
48	fflush_all();
49	/* used = strlen(msg); - must be true already */
50	msg[used++] = '\n';
51	full_write(STDOUT_FILENO, msg, used);
52	}
53
54	free(msg);
55	#endif
56	}