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| author | Ulrich Drepper <drepper@redhat.com> | 1998-09-10 17:07:03 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1998-09-10 17:07:03 +0000 |
| commit | 26afaa635796fee008c09155865ee3886bced9c4 (patch) | |
| tree | d0495d7fef0a72aff572f56985a6c2792e4bb912 /stdlib/random_r.c | |
| parent | 6c79e60c344f6b45f36f3e8ba7458af96326ffc4 (diff) | |
| download | glibc-26afaa635796fee008c09155865ee3886bced9c4.tar.gz glibc-26afaa635796fee008c09155865ee3886bced9c4.tar.xz glibc-26afaa635796fee008c09155865ee3886bced9c4.zip | |
Update.
* stdlib/random_r.c (__setstate_r): Allow call with same state array as currently used (PR libc/774).
Diffstat (limited to 'stdlib/random_r.c')
| -rw-r--r-- | stdlib/random_r.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/stdlib/random_r.c b/stdlib/random_r.c index 918bd690f5..445bc95d35 100644 --- a/stdlib/random_r.c +++ b/stdlib/random_r.c @@ -268,13 +268,13 @@ __setstate_r (arg_state, buf) struct random_data *buf; { int32_t *new_state = (int32_t *) arg_state; - int type = new_state[0] % MAX_TYPES; + int type; int old_type; int32_t *old_state; int degree; int separation; - if (buf == NULL || type < TYPE_0 || type >= TYPE_4) + if (buf == NULL) goto fail; old_type = buf->rand_type; @@ -284,6 +284,10 @@ __setstate_r (arg_state, buf) else old_state[-1] = (MAX_TYPES * (buf->rptr - old_state)) + old_type; + type = new_state[0] % MAX_TYPES; + if (type < TYPE_0 || type >= TYPE_4) + goto fail; + buf->rand_deg = degree = random_poly_info.degrees[type]; buf->rand_sep = separation = random_poly_info.seps[type]; buf->rand_type = type; |