viewcvs.cgi/ray/p.c

#include <stdlib.h>
#include <stdio.h>
#include <malloc.h>

main( int argc, char *argv[])
{
        int s,mb,q,a;
        unsigned char *mem,b;

        if( argc != 2 ) {
          fprintf(stderr,"usage: p MB\n");
          return(1);
        }
        s= 1024*1024* (mb=atoi(argv[1]));
        if (!(mem=malloc(s))) {
          printf("failed\n");
          exit(1);
        }
        for (;;) {
          for (q=0;q<mb;++q) {
            a=q*1024*1024+ 1+(int)(1024*1024.0*rand()/(RAND_MAX+1.0)) ;
            b=255*rand()/(RAND_MAX+1.0);
            mem[a] = b;
            if( mem[a] != b ) 
                fprintf(stderr,"hopla %x\n", a);
          }
        }
          
        return(0);
        
}
Revision:	1.6
Committed:	Fri Mar 21 18:48:45 2003 UTC (21 years, 1 month ago) by greg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	HEAD
Changes since 1.5:	+0 -0 lines
State:	*FILE REMOVED*
Log Message:	Final updates for official 3.5 release
#	Content
1	#include <stdlib.h>
2	#include <stdio.h>
3	#include <malloc.h>
4
5	main( int argc, char *argv[])
6	{
7	int s,mb,q,a;
8	unsigned char *mem,b;
9
10	if( argc != 2 ) {
11	fprintf(stderr,"usage: p MB\n");
12	return(1);
13	}
14	s= 10241024 (mb=atoi(argv[1]));
15	if (!(mem=malloc(s))) {
16	printf("failed\n");
17	exit(1);
18	}
19	for (;;) {
20	for (q=0;q<mb;++q) {
21	a=q10241024+ 1+(int)(10241024.0rand()/(RAND_MAX+1.0)) ;
22	b=255*rand()/(RAND_MAX+1.0);
23	mem[a] = b;
24	if( mem[a] != b )
25	fprintf(stderr,"hopla %x\n", a);
26	}
27	}
28
29	return(0);
30
31	}