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| author |   Roland McGrath <roland@gnu.org> | 2005-07-18 02:39:13 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2005-07-18 02:39:13 +0000 |
| commit | 0f7a049f2f5bd7a79c589979736ffd0caee88447 (patch) | |
| tree | 8279994a6b98b151b8ca8aa8bf0d75dec9d14315 /stdlib | |
| parent | 2005-06-20 Jakub Jelinek <jakub@redhat.com> (diff) | |
| download | glibc-0f7a049f2f5bd7a79c589979736ffd0caee88447.tar.xz glibc-0f7a049f2f5bd7a79c589979736ffd0caee88447.zip | |
2005-04-12 Ulrich Drepper <drepper@redhat.com>
[BZ #1090]
* stdlib/random_r.c (__initstate_r): Don't use non-existing state.
* string/tst-strfry.c: New file.
* string/Makefile (tests): Add tst-strfry.
Diffstat (limited to 'stdlib')
| -rw-r--r-- | stdlib/random_r.c | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/stdlib/random_r.c b/stdlib/random_r.c index e955ea576a..404006f2cd 100644 --- a/stdlib/random_r.c +++ b/stdlib/random_r.c @@ -236,23 +236,20 @@ __initstate_r (seed, arg_state, n, buf) size_t n; struct random_data *buf; { - int type; - int degree; - int separation; - int32_t *state; - int old_type; - int32_t *old_state; - if (buf == NULL) goto fail; - old_type = buf->rand_type; - old_state = buf->state; - if (old_type == TYPE_0) - old_state[-1] = TYPE_0; - else - old_state[-1] = (MAX_TYPES * (buf->rptr - old_state)) + old_type; + int32_t *old_state = buf->state; + if (old_state != NULL) + { + int old_type = buf->rand_type; + if (old_type == TYPE_0) + old_state[-1] = TYPE_0; + else + old_state[-1] = (MAX_TYPES * (buf->rptr - old_state)) + old_type; + } + int type; if (n >= BREAK_3) type = n < BREAK_4 ? TYPE_3 : TYPE_4; else if (n < BREAK_1) @@ -267,13 +264,13 @@ __initstate_r (seed, arg_state, n, buf) else type = n < BREAK_2 ? TYPE_1 : TYPE_2; - degree = random_poly_info.degrees[type]; - separation = random_poly_info.seps[type]; + int degree = random_poly_info.degrees[type]; + int separation = random_poly_info.seps[type]; buf->rand_type = type; buf->rand_sep = separation; buf->rand_deg = degree; - state = &((int32_t *) arg_state)[1]; /* First location. */ + int32_t *state = &((int32_t *) arg_state)[1]; /* First location. */ /* Must set END_PTR before srandom. */ buf->end_ptr = &state[degree]; |