amiga_imgv

diff src/logger.c @ 0:a4788c959918

initial commit
author John Tsiombikas <nuclear@member.fsf.org>
date Wed, 25 Oct 2017 19:34:53 +0300
parents
children ae0ada629b03
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/logger.c	Wed Oct 25 19:34:53 2017 +0300
     1.3 @@ -0,0 +1,26 @@
     1.4 +#include <stdio.h>
     1.5 +#include <stdlib.h>
     1.6 +#include <stdarg.h>
     1.7 +#include "logger.h"
     1.8 +
     1.9 +static FILE *fp;
    1.10 +
    1.11 +static void init(void)
    1.12 +{
    1.13 +	if(!(fp = fopen("logfile", "w"))) {
    1.14 +		printf("failed to open logfile\n");
    1.15 +		abort();
    1.16 +	}
    1.17 +	setvbuf(fp, 0, _IONBF, 0);
    1.18 +}
    1.19 +
    1.20 +void logmsg(const char *fmt, ...)
    1.21 +{
    1.22 +	va_list ap;
    1.23 +
    1.24 +	if(!fp) init();
    1.25 +
    1.26 +	va_start(ap, fmt);
    1.27 +	vfprintf(fp, fmt, ap);
    1.28 +	va_end(ap);
    1.29 +}