Refactor out signed/unsigned comparisons.

test/src/timer.c

@@ -32,9 +32,8 @@ timer_ratio(timedelta_t *a, timedelta_t *b, char *buf, size_t buflen)
 	uint64_t t0 = timer_usec(a);
 	uint64_t t1 = timer_usec(b);
 	uint64_t mult;
-	unsigned i = 0;
-	unsigned j;
-	int n;
+	size_t i = 0;
+	size_t j, n;
 
 	/* Whole. */
 	n = malloc_snprintf(&buf[i], buflen-i, "%"FMTu64, t0 / t1);

test/unit/bitmap.c

@@ -101,7 +101,7 @@ TEST_BEGIN(test_bitmap_sfu)
 		bitmap_info_t binfo;
 		bitmap_info_init(&binfo, i);
 		{
-			ssize_t j;
+			size_t j;
 			bitmap_t *bitmap = (bitmap_t *)malloc(
 			    bitmap_size(&binfo));
 			bitmap_init(bitmap, &binfo);
@@ -119,7 +119,7 @@ TEST_BEGIN(test_bitmap_sfu)
 			 * Iteratively unset bits starting at the end, and
 			 * verify that bitmap_sfu() reaches the unset bits.
 			 */
-			for (j = i - 1; j >= 0; j--) {
+			for (j = i - 1; j < i; j--) { /* (i..0] */
 				bitmap_unset(bitmap, &binfo, j);
 				assert_zd_eq(bitmap_sfu(bitmap, &binfo), j,
 				    "First unset bit should the bit previously "

test/unit/util.c

@@ -160,14 +160,14 @@ TEST_BEGIN(test_malloc_snprintf_truncated)
 {
 #define	BUFLEN	15
 	char buf[BUFLEN];
-	int result;
+	size_t result;
 	size_t len;
 #define TEST(expected_str_untruncated, ...) do {			\
 	result = malloc_snprintf(buf, len, __VA_ARGS__);		\
 	assert_d_eq(strncmp(buf, expected_str_untruncated, len-1), 0,	\
 	    "Unexpected string inequality (\"%s\" vs \"%s\")",		\
 	    buf, expected_str_untruncated);		\
-	assert_d_eq(result, strlen(expected_str_untruncated),		\
+	assert_zu_eq(result, strlen(expected_str_untruncated),		\
 	    "Unexpected result");					\
 } while (0)
 
@@ -193,11 +193,11 @@ TEST_BEGIN(test_malloc_snprintf)
 {
 #define	BUFLEN	128
 	char buf[BUFLEN];
-	int result;
+	size_t result;
 #define	TEST(expected_str, ...) do {					\
 	result = malloc_snprintf(buf, sizeof(buf), __VA_ARGS__);	\
 	assert_str_eq(buf, expected_str, "Unexpected output");		\
-	assert_d_eq(result, strlen(expected_str), "Unexpected result");	\
+	assert_zu_eq(result, strlen(expected_str), "Unexpected result");\
 } while (0)
 
 	TEST("hello", "hello");