xref: /haiku/src/add-ons/accelerants/matrox/engine/mga_support.c (revision 5d9e40fe9252c8f9c5e5e41594545bfa4419fcc7)
1 /* Some commmon support functions */
2 /* Mark Watson 2/2000
3  * Rudolf Cornelissen 11/2003 */
4 
5 #define MODULE_BIT 0x00000800
6 
7 #include <stdarg.h>
8 #include "mga_std.h"
9 
10 /*delays in multiple of microseconds*/
11 void delay(bigtime_t i)
12 {
13 	bigtime_t start=system_time();
14 	while(system_time()-start<i);
15 }
16 
17 /*debug logging*/
18 void mga_log(char *fmt, ...)
19 {
20 	char     buffer[1024];
21 	char     fname[64];
22 	FILE    *myhand;
23 	va_list  args;
24 
25 	sprintf (fname, "/boot/home/" DRIVER_PREFIX ".accelerant.%d.log", accelerantIsClone);
26 	myhand=fopen(fname,"a+");
27 
28 	if (myhand == NULL) return;
29 
30 	va_start(args,fmt);
31 	vsprintf (buffer, fmt, args);
32 	fprintf(myhand, "%s", buffer);
33 	fclose(myhand);
34 }
35