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"
#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
}
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	#if ENABLE_FEATURE_SYSLOG
12	# include <syslog.h>
13	#endif
14
15	void FAST_FUNC bb_info_msg(const char *s, ...)
16	{
17	#ifdef THIS_ONE_DOESNT_DO_SINGLE_WRITE
18	va_list p;
19	/* va_copy is used because it is not portable
20	* to use va_list p twice */
21	va_list p2;
22
23	va_start(p, s);
24	va_copy(p2, p);
25	if (logmode & LOGMODE_STDIO) {
26	vprintf(s, p);
27	fputs(msg_eol, stdout);
28	}
29	# if ENABLE_FEATURE_SYSLOG
30	if (logmode & LOGMODE_SYSLOG)
31	vsyslog(LOG_INFO, s, p2);
32	# endif
33	va_end(p2);
34	va_end(p);
35	#else
36	int used;
37	char *msg;
38	va_list p;
39
40	if (logmode == 0)
41	return;
42
43	va_start(p, s);
44	used = vasprintf(&msg, s, p);
45	va_end(p);
46	if (used < 0)
47	return;
48
49	# if ENABLE_FEATURE_SYSLOG
50	if (logmode & LOGMODE_SYSLOG)
51	syslog(LOG_INFO, "%s", msg);
52	# endif
53	if (logmode & LOGMODE_STDIO) {
54	fflush_all();
55	/* used = strlen(msg); - must be true already */
56	msg[used++] = '\n';
57	full_write(STDOUT_FILENO, msg, used);
58	}
59
60	free(msg);
61	#endif
62	}