1 /* tinyweb - tiny web server library and daemon

2 * Author: John Tsiombikas <nuclear@member.fsf.org>

3 *

4 * This program is placed in the public domain. Feel free to use it any

5 * way you like. Mentions and retaining this attribution header will be

6 * appreciated, but not required.

7 */

8 #include <stdio.h>

9 #include <stdlib.h>

10 #include <string.h>

11 #include <stdarg.h>

12 #include <errno.h>

13 #include "logger.h"

14

15 static FILE *logfile;

16

17 int set_log_file(const char *fname)

18 {

19 FILE *fp;

20

21 if(!(fp = fopen(fname, "w"))) {

22 fprintf(stderr, "failed to open logfile: %s: %s\n", fname, strerror(errno));

23 return -1;

24 }

25 setvbuf(fp, 0, _IONBF, 0);

26 logfile = fp;

27 return 0;

28 }

29

30 void logmsg(const char *fmt, ...)

31 {

32 va_list ap;

33

34 if(!logfile) {

35 logfile = stderr;

36 }

37

38 va_start(ap, fmt);

39 vfprintf(logfile, fmt, ap);

40 va_end(ap);

41 }