diff options
Diffstat (limited to 'string/test-strchr.c')
| -rw-r--r-- | string/test-strchr.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/string/test-strchr.c b/string/test-strchr.c index 72f7ec9557..9483e719c0 100644 --- a/string/test-strchr.c +++ b/string/test-strchr.c @@ -23,7 +23,9 @@ typedef char *(*proto_t) (const char *, int); char *simple_strchr (const char *, int); +char *stupid_strchr (const char *, int); +IMPL (stupid_strchr, 0) IMPL (simple_strchr, 0) IMPL (strchr, 1) @@ -36,6 +38,17 @@ simple_strchr (const char *s, int c) return (char *) s; } +char * +stupid_strchr (const char *s, int c) +{ + size_t n = strlen (s) + 1; + + while (n--) + if (*s++ == (char) c) + return (char *) s - 1; + return NULL; +} + static void do_one_test (impl_t *impl, const char *s, int c, char *exp_res) { @@ -115,15 +128,18 @@ do_random_tests (void) { align = random () & 15; pos = random () & 511; + seek_char = random () & 255; if (pos + align >= 511) pos = 510 - align - (random () & 7); len = random () & 511; - if (pos >= len) - len = pos + (random () & 7); + if ((pos == len && seek_char) + || (pos > len && (random () & 1))) + len = pos + 1 + (random () & 7); if (len + align >= 512) len = 511 - align - (random () & 7); - seek_char = random () & 255; - j = len + align + 64; + if (pos == len && seek_char) + len = pos + 1; + j = (pos > len ? pos : len) + align + 64; if (j > 512) j = 512; |