summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorRoland McGrath <roland@gnu.org>2005-07-18 02:39:13 +0000
committerRoland McGrath <roland@gnu.org>2005-07-18 02:39:13 +0000
commit0f7a049f2f5bd7a79c589979736ffd0caee88447 (patch)
tree8279994a6b98b151b8ca8aa8bf0d75dec9d14315
parent02aa168a6a43f370e1aade8f404c6406c212c9fc (diff)
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.
-rw-r--r--stdlib/random_r.c29
-rw-r--r--string/Makefile2
-rw-r--r--string/tst-strfry.c15
3 files changed, 29 insertions, 17 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];
diff --git a/string/Makefile b/string/Makefile
index 66469f586e..7a77e35732 100644
--- a/string/Makefile
+++ b/string/Makefile
@@ -52,7 +52,7 @@ strop-tests := memchr memcmp memcpy memmove mempcpy memset memccpy \
tests := tester inl-tester noinl-tester testcopy test-ffs \
tst-strlen stratcliff tst-svc tst-inlcall \
bug-strncat1 bug-strspn1 bug-strpbrk1 tst-bswap \
- tst-strtok tst-strxfrm bug-strcoll1 \
+ tst-strtok tst-strxfrm bug-strcoll1 tst-strfry \
$(addprefix test-,$(strop-tests))
distribute := memcopy.h pagecopy.h tst-svc.expect test-string.h
diff --git a/string/tst-strfry.c b/string/tst-strfry.c
new file mode 100644
index 0000000000..2b40a39b13
--- /dev/null
+++ b/string/tst-strfry.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <string.h>
+
+static int
+do_test (void)
+{
+ char str[] = "this is a test";
+
+ strfry (str);
+
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"