tinywebd: libtinyweb/src/logger.c annotate

tinywebd

Attribution headers

author	John Tsiombikas <nuclear@member.fsf.org>
date	Sun, 19 Apr 2015 00:01:01 +0300
parents	0dd50a23f3dd
children

rev	line source
nuclear@12	1 /* tinyweb - tiny web server library and daemon
nuclear@12	2 * Author: John Tsiombikas <nuclear@member.fsf.org>
nuclear@12	3 *
nuclear@12	4 * This program is placed in the public domain. Feel free to use it any
nuclear@12	5 * way you like. Mentions and retaining this attribution header will be
nuclear@12	6 * appreciated, but not required.
nuclear@12	7 */
nuclear@7	8 #include <stdio.h>
nuclear@7	9 #include <stdlib.h>
nuclear@7	10 #include <string.h>
nuclear@7	11 #include <stdarg.h>
nuclear@7	12 #include <errno.h>
nuclear@7	13 #include "logger.h"
nuclear@7	14
nuclear@7	15 static FILE *logfile;
nuclear@7	16
nuclear@7	17 int set_log_file(const char *fname)
nuclear@7	18 {
nuclear@7	19 FILE *fp;
nuclear@7	20
nuclear@7	21 if(!(fp = fopen(fname, "w"))) {
nuclear@7	22 fprintf(stderr, "failed to open logfile: %s: %s\n", fname, strerror(errno));
nuclear@7	23 return -1;
nuclear@7	24 }
nuclear@7	25 setvbuf(fp, 0, _IONBF, 0);
nuclear@7	26 logfile = fp;
nuclear@7	27 return 0;
nuclear@7	28 }
nuclear@7	29
nuclear@7	30 void logmsg(const char *fmt, ...)
nuclear@7	31 {
nuclear@7	32 va_list ap;
nuclear@7	33
nuclear@7	34 if(!logfile) {
nuclear@7	35 logfile = stderr;
nuclear@7	36 }
nuclear@7	37
nuclear@7	38 va_start(ap, fmt);
nuclear@7	39 vfprintf(logfile, fmt, ap);
nuclear@7	40 va_end(ap);
nuclear@7	41 }