diff options
Diffstat (limited to 'string/test-strncpy.c')
| -rw-r--r-- | string/test-strncpy.c | 59 |
1 files changed, 42 insertions, 17 deletions
diff --git a/string/test-strncpy.c b/string/test-strncpy.c index 7820b61158..c30c9b040b 100644 --- a/string/test-strncpy.c +++ b/string/test-strncpy.c @@ -144,32 +144,57 @@ do_test (size_t align1, size_t align2, size_t len, size_t n, int max_char) static void do_random_tests (void) { - size_t i, j, n, align1, align2, len, size; + size_t i, j, n, align1, align2, len, size, mode; unsigned char *p1 = buf1 + page_size - 512; unsigned char *p2 = buf2 + page_size - 512; unsigned char *res; for (n = 0; n < ITERATIONS; n++) { - align1 = random () & 31; - if (random () & 1) - align2 = random () & 31; - else - align2 = align1 + (random () & 24); - len = random () & 511; - j = align1; - if (align2 > j) - j = align2; - if (random () & 1) + mode = random (); + if (mode & 1) { - size = random () & 511; - if (size + align2 > 512) - size = 512 - align2 - (random() & 31); + size = random () & 255; + align1 = 512 - size - (random () & 15); + if (mode & 2) + align2 = align1 - (random () & 24); + else + align2 = align1 - (random () & 31); + if (mode & 4) + { + j = align1; + align1 = align2; + align2 = j; + } + if (mode & 8) + len = size - (random () & 31); + else + len = 512; + if (len >= 512) + len = random () & 511; } else - size = 512 - align2; - if (len + j >= 511) - len = 510 - j - (random () & 7); + { + align1 = random () & 31; + if (mode & 2) + align2 = random () & 31; + else + align2 = align1 + (random () & 24); + len = random () & 511; + j = align1; + if (align2 > j) + j = align2; + if (mode & 4) + { + size = random () & 511; + if (size + j > 512) + size = 512 - j - (random() & 31); + } + else + size = 512 - j; + if ((mode & 8) && len + j >= 512) + len = 512 - j - (random () & 7); + } j = len + align1 + 64; if (j > 512) j = 512; |