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Optionally memset the malloced memory

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Peter J. Holzer 2024-12-11 12:54:35 +01:00 committed by Peter J. Holzer
parent 841b95221c
commit 91b9809c27
1 changed files with 7 additions and 0 deletions
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7
hogs/malloc.c
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@ -1,10 +1,17 @@
#include <stdlib.h> #include <stdlib.h>
#include <stdio.h> #include <stdio.h>
#include <string.h>
#include <unistd.h>
int main(int argc, char **argv) { int main(int argc, char **argv) {
size_t size = strtoul(argv[1], NULL, 0); size_t size = strtoul(argv[1], NULL, 0);
char *p = malloc(size); char *p = malloc(size);
printf("%zu bytes at %p\n", size, p); printf("%zu bytes at %p\n", size, p);
if (argv[2]) {
unsigned char c = strtoul(argv[2], NULL, 0);
memset(p, c, size);
printf("filled with %zu %02x bytes\n", size, c);
}
sleep(10); sleep(10);
return 0; return 0;
} }