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| author | Ulrich Drepper <drepper@redhat.com> | 2000-08-22 03:49:38 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2000-08-22 03:49:38 +0000 |
| commit | faa575631468b0cb318df08bd030deb816a472aa (patch) | |
| tree | d29378098ea592c0240ae7410e1ffcccb2b11b45 /stdlib/random_r.c | |
| parent | 7ca404adab483820ed7d43e961fef91d2e978f90 (diff) | |
| download | glibc-faa575631468b0cb318df08bd030deb816a472aa.tar glibc-faa575631468b0cb318df08bd030deb816a472aa.tar.gz glibc-faa575631468b0cb318df08bd030deb816a472aa.tar.bz2 glibc-faa575631468b0cb318df08bd030deb816a472aa.zip | |
Update.
* stdlib/random_r.c (__setstate_r): Also compute end_ptr
correctly.
(__initstate_r): Set errno on error.
(__random_r): Likewise.
(__setstate_r): Correct offset when computing
new rptr and fptr. Test for arg_state being NULL.
Reported by Michael Fischer <fischer@cs.yale.edu>.
Diffstat (limited to 'stdlib/random_r.c')
| -rw-r--r-- | stdlib/random_r.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/stdlib/random_r.c b/stdlib/random_r.c index 1d9e56f19b..120fceee11 100644 --- a/stdlib/random_r.c +++ b/stdlib/random_r.c @@ -249,6 +249,7 @@ __initstate_r (seed, arg_state, n, buf) return 0; fail: + __set_errno (EINVAL); return -1; } @@ -274,7 +275,7 @@ __setstate_r (arg_state, buf) int degree; int separation; - if (buf == NULL) + if (arg_state == NULL || buf == NULL) goto fail; old_type = buf->rand_type; @@ -300,7 +301,7 @@ __setstate_r (arg_state, buf) } buf->state = &new_state[1]; /* Set end_ptr too. */ - buf->end_ptr = &new_state[degree]; + buf->end_ptr = &new_state[1 + degree]; return 0; @@ -369,6 +370,7 @@ __random_r (buf, result) return 0; fail: + __set_errno (EINVAL); return -1; } |