X-Git-Url: https://plomlompom.com/repos/foo.html?a=blobdiff_plain;f=src%2Fclient%2Farray_append.c;h=52bcf97f2599b0a9136c122a78ec672ed5e62812;hb=56867ba7a05f616174db6496ebc4115592ad6e6c;hp=b2bbab90342625152dde478d8aa181cdfde9ee15;hpb=28b8b4234e395c3fdc4800e5cfb3dcd70a15cadf;p=plomrogue
diff --git a/src/client/array_append.c b/src/client/array_append.c
index b2bbab9..52bcf97 100644
--- a/src/client/array_append.c
+++ b/src/client/array_append.c
@@ -7,9 +7,10 @@
#include "array_append.h"
#include /* size_t */
-#include /* uint32_t */
+#include /* uint32_t, UINT32_MAX */
#include /* free() */
#include /* memcpy() */
+#include "../common/rexit.h" /* exit_trouble() */
#include "../common/try_malloc.h" /* try_malloc() */
@@ -17,12 +18,12 @@
extern void array_append(uint32_t old_n, size_t region_size, void * new_region,
void ** ptr_old_array)
{
+ exit_trouble(UINT32_MAX<(old_n+1)*region_size, __func__, "too large sizes");
uint32_t old_size = old_n * region_size;
uint32_t new_size = old_size + region_size;
char * new_array = try_malloc(new_size, __func__);
memcpy(new_array, * ptr_old_array, old_size);
memcpy(new_array + (old_n * region_size), new_region, region_size);
free(* ptr_old_array);
- * ptr_old_array = new_array;
+ *ptr_old_array = new_array;
}
-