Peter Limkilde Svendsen
35 lines
806 B
C
35 lines
806 B
C
#include <malloc.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h> /* for SIZE_MAX */
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int main(int argc, char ** argv) {
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char * ptr = (char *)malloc(256);
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printf("malloc %p\n", ptr);
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int i;
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for(i = 0; i < 256; i++) {
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ptr[i] = (char)i;
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}
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free(ptr);
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char * ptrc = (char *)calloc(256, 1);
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printf("calloc %p\n", ptrc);
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for(i = 0; i < 256; i++) {
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ptrc[i] = (char)i;
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}
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free(ptrc);
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char * ptrco = (char *)calloc(SIZE_MAX, SIZE_MAX);
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printf("calloc (overflowing) %p\n", ptrco);
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free(ptrco); /* clean up correctly even if overflow is not handled */
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char * ptra = (char *)memalign(256, 256);
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printf("memalign %p\n", ptra);
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for(i = 0; i < 256; i++) {
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ptra[i] = (char)i;
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}
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free(ptra);
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return 0;
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}
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