---
lib/util/tests/stringutils-test.c | 33 ++++++++++++++++++++++++++++++---
1 file changed, 30 insertions(+), 3 deletions(-)
diff --git a/lib/util/tests/stringutils-test.c
b/lib/util/tests/stringutils-test.c
index 86cdbf8..c5302fe 100644
--- a/lib/util/tests/stringutils-test.c
+++ b/lib/util/tests/stringutils-test.c
@@ -1,11 +1,17 @@
+#include <errno.h>
+#include <limits.h>
#include <stdbool.h>
+#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <time.h>
#include "util/stringutils.h"
#include "test/unittest.h"
+static unsigned seed;
+
/**
* @brief store a sequence of @len characters in both @p dst and @p
* ref
@@ -16,8 +22,13 @@ init_dst(
char *ref,
size_t len)
{
- memset(dst, 0, len);
- memset(ref, 0, len);
+ size_t i;
+ for (i=0; i < len; ++i)
+ {
+ unsigned char x = rand();
+ ((unsigned char *)dst)[i] = x;
+ ((unsigned char *)ref)[i] = x;
+ }
}
static bool test_scrub_for_print__length_if_truncated(
@@ -121,8 +132,24 @@ static bool test_scrub_for_print__sz(
int main(
- void)
+ int argc,
+ char *argv[])
{
+ seed = time(NULL);
+ if (argc > 1)
+ {
+ char *end;
+ errno = 0;
+ unsigned long tmp = strtoul(argv[1], &end, 0);
+ if (errno || (end == argv[1]) || (tmp > UINT_MAX)) {
+ fprintf(stderr, "invalid seed: %s\n", argv[1]);
+ return 1;
+ }
+ seed = tmp;
+ }
+ printf("random seed = %u\n", seed);
+ srand(seed);
+
if (!test_scrub_for_print__length_if_truncated())
return EXIT_FAILURE;
--
2.4.3
------------------------------------------------------------------------------
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