+extern void *read_object_with_reference(const unsigned char *sha1,
+ const unsigned char *required_type,
+ unsigned long *size,
+ unsigned char *sha1_ret);
+
+const char *show_date(unsigned long time, int timezone);
+void parse_date(char *date, char *buf, int bufsize);
+void datestamp(char *buf, int bufsize);
+
+static inline void *xmalloc(int size)
+{
+ void *ret = malloc(size);
+ if (!ret)
+ die("Out of memory, malloc failed");
+ return ret;
+}
+
+static inline void *xrealloc(void *ptr, int size)
+{
+ void *ret = realloc(ptr, size);
+ if (!ret)
+ die("Out of memory, realloc failed");
+ return ret;
+}
+