sgl
diff src/log.c @ 4:648f8604d2b2
cont. x11 module
author | John Tsiombikas <nuclear@siggraph.org> |
---|---|
date | Thu, 12 May 2011 11:04:10 +0300 |
parents | |
children | 0570e27e5ebc |
line diff
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/log.c Thu May 12 11:04:10 2011 +0300 1.3 @@ -0,0 +1,21 @@ 1.4 +#include <stdio.h> 1.5 +#include <stdlib.h> 1.6 +#include <stdarg.h> 1.7 +#include "log.h" 1.8 + 1.9 +void sgl_log(const char *fmt, ...) 1.10 +{ 1.11 + va_list ap; 1.12 + const char *logfile; 1.13 + FILE *fp; 1.14 + 1.15 + if(!(logfile = getenv("SGL_LOG")) || !(fp = fopen(logfile, "a"))) { 1.16 + fp = stderr; 1.17 + } 1.18 + 1.19 + va_start(ap, fmt); 1.20 + vfprintf(fp, fmt, ap); 1.21 + va_end(ap); 1.22 + 1.23 + fclose(fp); 1.24 +}