Add readlink, xreadlink(), and change xrealloc() to not fight the stupid
compiler so much.
diff --git a/lib/lib.h b/lib/lib.h
index e2d055b..c95a743 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -40,7 +40,7 @@
void strlcpy(char *dest, char *src, size_t size);
void *xmalloc(size_t size);
void *xzalloc(size_t size);
-void xrealloc(void **ptr, size_t size);
+void *xrealloc(void *ptr, size_t size);
void *xstrndup(char *s, size_t n);
void *xstrdup(char *s);
char *xmsprintf(char *format, ...);
@@ -67,6 +67,7 @@
char *itoa(int n);
long atolx(char *c);
off_t fdlength(int fd);
+char *xreadlink(char *name);
struct dirtree *read_dirtree_node(char *path);
struct dirtree *read_dirtree(char *path, struct dirtree *parent);