[lttng-tools.git] / tests / regression / ust / libc-wrapper / prog.c

/* Copyright (C) 2009 Pierre-Marc Fournier
 *
 * SPDX-License-Identifier: LGPL-2.1-only
 *
 */

/* This program is used to test malloc instrumentation with libustinstr-malloc.
 */

#include <string.h>
#include <stdlib.h>

#define N_ITER 1000

int main(void)
{
	int i;
	const char teststr[] = "Hello World! 1234567890abc";
	void *ptrs[N_ITER];

	for (i = 0; i < N_ITER; i++) {
		ptrs[i] = malloc(i+1000);
		if (!ptrs[i]) {
			exit(EXIT_FAILURE);
		}

		memcpy(ptrs[i], teststr, sizeof(teststr));

		if (i % 2 == 0) {
			free(ptrs[i]);
		}
	}

	for (i = 0; i < N_ITER; i++) {
		if (i % 2 == 1)
			free(ptrs[i]);
	}

	return 0;
}
Commit	Line	Data
9d16b343	1	/* Copyright (C) 2009 Pierre-Marc Fournier
5836cdc2	2	*
9d16b343	3	* SPDX-License-Identifier: LGPL-2.1-only
5836cdc2	4	*
5836cdc2 JG	5	*/
	6
	7	/* This program is used to test malloc instrumentation with libustinstr-malloc.
	8	*/
	9
	10	#include <string.h>
	11	#include <stdlib.h>
	12
	13	#define N_ITER 1000
	14
f46376a1	15	int main(void)
5836cdc2 JG	16	{
	17	int i;
	18	const char teststr[] = "Hello World! 1234567890abc";
	19	void *ptrs[N_ITER];
	20
	21	for (i = 0; i < N_ITER; i++) {
	22	ptrs[i] = malloc(i+1000);
ca72068e MD	23	if (!ptrs[i]) {
	24	exit(EXIT_FAILURE);
	25	}
5836cdc2 JG	26
	27	memcpy(ptrs[i], teststr, sizeof(teststr));
	28
	29	if (i % 2 == 0) {
	30	free(ptrs[i]);
	31	}
	32	}
	33
	34	for (i = 0; i < N_ITER; i++) {
	35	if (i % 2 == 1)
	36	free(ptrs[i]);
	37	}
	38
	39	return 0;
	40	}