X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstdio%2Ffmemopen.c;h=82413b2d8d8386ab17b46fc49c68820551dd5deb;hb=7b384c42b73ca1a1e150b3f255990ec53cedec60;hp=fb2656e3ad19d16d623b9be3f1e5b49a1ef2533b;hpb=0b043c7b70b204c43dc7dbdb50b12aa8fa7981e8;p=musl

diff --git a/src/stdio/fmemopen.c b/src/stdio/fmemopen.c
index fb2656e3..82413b2d 100644
--- a/src/stdio/fmemopen.c
+++ b/src/stdio/fmemopen.c
@@ -1,7 +1,9 @@
 #include "stdio_impl.h"
 #include <errno.h>
 #include <string.h>
+#include <stdlib.h>
 #include <inttypes.h>
+#include "libc.h"
 
 struct cookie {
 	size_t pos, len, size;
@@ -112,6 +114,7 @@ FILE *fmemopen(void *restrict buf, size_t size, const char *restrict mode)
 	if (!plus) f->f.flags = (*mode == 'r') ? F_NOWR : F_NORD;
 	if (*mode == 'r') f->c.len = size;
 	else if (*mode == 'a') f->c.len = f->c.pos = strnlen(buf, size);
+	else if (plus) *f->c.buf = 0;
 
 	f->f.read = mread;
 	f->f.write = mwrite;