Emit a whole line in one go

diff --git a/wrapper.c b/wrapper.c
index 0bbff56e2c38651b10551d17caeed84e0cc250c8..58201b6bcb8d362cffd1222bcb8cd77072c34cf5 100644 (file)
--- a/wrapper.c
+++ b/wrapper.c
@@ -3,11 +3,23 @@
  */
 #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;
+
+void set_try_to_free_routine(void (*routine)(size_t))
+{
+       try_to_free_routine = (routine) ? routine : try_to_free_builtin;
+}
+
 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 +33,7 @@ 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 +79,7 @@ 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 +95,7 @@ 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);
@@ -328,3 +340,13 @@ 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);
+}