diff --git a/wrapper.c b/wrapper.c
index 9c71b21242773f52ca560d7e5e5e52123674d334..afb4f6f773a3ed909433778f4b4da3740ded2b18 100644 (file)
--- a/wrapper.c
+++ b/wrapper.c
*/
#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");
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);
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);
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);
return open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
}
-int unlink_or_warn(const char *file)
+static int warn_if_unremovable(const char *op, const char *file, int rc)
{
- int rc = unlink(file);
-
if (rc < 0) {
int err = errno;
if (ENOENT != err) {
- warning("unable to unlink %s: %s",
- file, strerror(errno));
+ warning("unable to %s %s: %s",
+ op, file, strerror(errno));
errno = err;
}
}
return rc;
}
+int unlink_or_warn(const char *file)
+{
+ return warn_if_unremovable("unlink", file, unlink(file));
+}
+
+int rmdir_or_warn(const char *file)
+{
+ return warn_if_unremovable("rmdir", file, rmdir(file));
+}
+
+int remove_or_warn(unsigned int mode, const char *file)
+{
+ return S_ISGITLINK(mode) ? rmdir_or_warn(file) : unlink_or_warn(file);
+}