From ec831d9055a20b69cb9a7300990b8e4414cbd474 Mon Sep 17 00:00:00 2001 From: Cameron Katri Date: Wed, 10 Feb 2021 11:29:12 -0500 Subject: pw: fix building for iOS, completely untested --- pw/reallocarray.c | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 pw/reallocarray.c (limited to 'pw/reallocarray.c') diff --git a/pw/reallocarray.c b/pw/reallocarray.c new file mode 100644 index 0000000..7310133 --- /dev/null +++ b/pw/reallocarray.c @@ -0,0 +1,11 @@ +#include "reallocarray.h" + +#define MUL_NO_OVERFLOW ((size_t)1 << (sizeof(size_t) * 4)) +void *reallocarray(void *optr, size_t nmemb, size_t size) { + if ((nmemb >= MUL_NO_OVERFLOW || size >= MUL_NO_OVERFLOW) && + nmemb > 0 && SIZE_MAX / nmemb < size) { + errno = ENOMEM; + return NULL; + } + return realloc(optr, size * nmemb); +} -- cgit v1.2.3