Function test_cirbuf_string_misc

dpdk/app/test/test_cmdline_cirbuf.c:20–128

miscellaneous tests - they make bullseye happy */

/* miscellaneous tests - they make bullseye happy */
static int
test_cirbuf_string_misc(void)
{
	struct cirbuf cb;
	char buf[CMDLINE_TEST_BUFSIZE];
	char tmp[CMDLINE_TEST_BUFSIZE];

	/* initialize buffers */
	memset(buf, 0, sizeof(buf));
	memset(tmp, 0, sizeof(tmp));

	/*
	 * initialize circular buffer
	 */
	if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
		printf("Error: failed to initialize circular buffer!\n");
		return -1;
	}

	/*
	 * add strings to head and tail, but read only tail
	 * this results in read operation that does not transcend
	 * from buffer end to buffer beginning (in other words,
	 * strlen <= cb->maxlen - cb->end)
	 */

	/* add string to head */
	if (cirbuf_add_buf_head(&cb, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD))
			!= (sizeof(CIRBUF_STR_HEAD))) {
		printf("Error: failed to add string to head!\n");
		return -1;
	}
	/* add string to tail */
	if (cirbuf_add_buf_tail(&cb, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL))
			!= (sizeof(CIRBUF_STR_TAIL))) {
		printf("Error: failed to add string to head!\n");
		return -1;
	}
	/* read string from tail */
	if (cirbuf_get_buf_tail(&cb, tmp, sizeof(CIRBUF_STR_TAIL))
			!= (sizeof(CIRBUF_STR_TAIL))) {
		printf("Error: failed to get string from tail!\n");
		return -1;
	}
	/* verify string */
	if (strncmp(tmp, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL)) != 0) {
		printf("Error: tail strings do not match!\n");
		return -1;
	}
	/* clear buffers */
	memset(tmp, 0, sizeof(tmp));
	memset(buf, 0, sizeof(buf));



	/*
	 * add a string to buffer when start/end is at end of buffer
	 */