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-rw-r--r--wrapper.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/wrapper.c b/wrapper.c
index 10a6750795..afb4f6f773 100644
--- a/wrapper.c
+++ b/wrapper.c
@@ -3,11 +3,25 @@
*/
#include "cache.h"
+static void try_to_free_builtin(size_t size)
+{
+ release_pack_memory(size, -1);
+}
+
+static void (*try_to_free_routine)(size_t size) = try_to_free_builtin;
+
+try_to_free_t set_try_to_free_routine(try_to_free_t routine)
+{
+ try_to_free_t old = try_to_free_routine;
+ try_to_free_routine = routine;
+ return old;
+}
+
char *xstrdup(const char *str)
{
char *ret = strdup(str);
if (!ret) {
- release_pack_memory(strlen(str) + 1, -1);
+ try_to_free_routine(strlen(str) + 1);
ret = strdup(str);
if (!ret)
die("Out of memory, strdup failed");
@@ -21,7 +35,7 @@ void *xmalloc(size_t size)
if (!ret && !size)
ret = malloc(1);
if (!ret) {
- release_pack_memory(size, -1);
+ try_to_free_routine(size);
ret = malloc(size);
if (!ret && !size)
ret = malloc(1);
@@ -67,7 +81,7 @@ void *xrealloc(void *ptr, size_t size)
if (!ret && !size)
ret = realloc(ptr, 1);
if (!ret) {
- release_pack_memory(size, -1);
+ try_to_free_routine(size);
ret = realloc(ptr, size);
if (!ret && !size)
ret = realloc(ptr, 1);
@@ -83,7 +97,7 @@ void *xcalloc(size_t nmemb, size_t size)
if (!ret && (!nmemb || !size))
ret = calloc(1, 1);
if (!ret) {
- release_pack_memory(nmemb * size, -1);
+ try_to_free_routine(nmemb * size);
ret = calloc(nmemb, size);
if (!ret && (!nmemb || !size))
ret = calloc(1, 1);