X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstdio%2Fopen_memstream.c;h=9eafdfbaedce42c1bc86165719638e5e335f822e;hb=be81f51030d90de8d5eb0b65dbdab3032d5cae23;hp=687e818dbd5cc857acb98e30d126889f297478c0;hpb=7ee3dcb3c603b20fcd4547ffb00e11701c6d1cf4;p=musl

diff --git a/src/stdio/open_memstream.c b/src/stdio/open_memstream.c
index 687e818d..9eafdfba 100644
--- a/src/stdio/open_memstream.c
+++ b/src/stdio/open_memstream.c
@@ -1,4 +1,7 @@
 #include "stdio_impl.h"
+#include <errno.h>
+#include <limits.h>
+#include <string.h>
 
 struct cookie {
 	char **bufp;
@@ -74,12 +77,13 @@ FILE *open_memstream(char **bufp, size_t *sizep)
 	f->seek = ms_seek;
 	f->close = ms_close;
 
-	if (!libc.threaded) {
-		f->lock = -1;
-		f->next = libc.ofl_head;
-		if (libc.ofl_head) libc.ofl_head->prev = f;
-		libc.ofl_head = f;
-	}
+	if (!libc.threaded) f->lock = -1;
+
+	OFLLOCK();
+	f->next = libc.ofl_head;
+	if (libc.ofl_head) libc.ofl_head->prev = f;
+	libc.ofl_head = f;
+	OFLUNLOCK();
 
 	return f;
 }