diff options
Diffstat (limited to 'string')
| -rw-r--r-- | string/test-memset.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/string/test-memset.c b/string/test-memset.c index eb71517390..82bfcd6ad4 100644 --- a/string/test-memset.c +++ b/string/test-memset.c @@ -109,16 +109,24 @@ SIMPLE_MEMSET (CHAR *s, int c, size_t n) static void do_one_test (impl_t *impl, CHAR *s, int c __attribute ((unused)), size_t n) { - CHAR tstbuf[n]; + CHAR buf[n + 2]; + CHAR *tstbuf = buf + 1; + CHAR sentinel = c - 1; + buf[0] = sentinel; + buf[n + 1] = sentinel; #ifdef TEST_BZERO simple_bzero (tstbuf, n); CALL (impl, s, n); - if (memcmp (s, tstbuf, n) != 0) + if (memcmp (s, tstbuf, n) != 0 + || buf[0] != sentinel + || buf[n + 1] != sentinel) #else CHAR *res = CALL (impl, s, c, n); if (res != s || SIMPLE_MEMSET (tstbuf, c, n) != tstbuf - || MEMCMP (s, tstbuf, n) != 0) + || MEMCMP (s, tstbuf, n) != 0 + || buf[0] != sentinel + || buf[n + 1] != sentinel) #endif /* !TEST_BZERO */ { error (0, 0, "Wrong result in function %s", impl->name); @@ -130,7 +138,7 @@ do_one_test (impl_t *impl, CHAR *s, int c __attribute ((unused)), size_t n) static void do_test (size_t align, int c, size_t len) { - align &= 7; + align &= 4095; if ((align + len) * sizeof (CHAR) > page_size) return; @@ -245,9 +253,11 @@ test_main (void) { for (i = 0; i < 18; ++i) do_test (0, c, 1 << i); - for (i = 1; i < 32; ++i) + for (i = 1; i < 64; ++i) { do_test (i, c, i); + do_test (4096 - i, c, i); + do_test (4095, c, i); if (i & (i - 1)) do_test (0, c, i); } |