reallocarray is nonstandard and glibc declares it only when _GNU_SOURCE
is defined. Without this patch or _GNU_SOURCE defined, I get a seg
fault from reallocarray being implicitly declared with the wrong
signature.
---
gen/util.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/gen/util.c b/gen/util.c
index d234ddd..c97a1ea 100644
--- a/gen/util.c
+++ b/gen/util.c
@@ -31,6 +31,16 @@ struct break_test_payload
size_t *testlen;
};
+static void *
+reallocarray(void *p, size_t len, size_t size)
+{
+ if (len > 0 && size > SIZE_MAX/len) {
+ errno = ENOMEM;
+ return NULL;
+ }
+ return realloc(p, len*size);
+}
+
int
hextocp(const char *str, size_t len, uint_least32_t *cp)
{
--
2.17.1
