Introduce libbuf analogous to toybuf but for use by lib/*.c. Change readfile() semantics to be able to read into an existing buffer, or malloc its own if that's NULL.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/xwrap.c b/lib/xwrap.c
index 2b0690f3..90c4d86a 100644
--- a/lib/xwrap.c
+++ b/lib/xwrap.c
@@ -425,7 +425,7 @@ char *xreadlink(char *name)
 
 char *xreadfile(char *name)
 {
-  char *buf = readfile(name);
+  char *buf = readfile(name, 0, 0);
   if (!buf) perror_exit("xreadfile %s", name);
   return buf;
 }