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-rw-r--r--src/stdio/fmemopen.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/src/stdio/fmemopen.c b/src/stdio/fmemopen.c
index 770fd995..d7849609 100644
--- a/src/stdio/fmemopen.c
+++ b/src/stdio/fmemopen.c
@@ -1,4 +1,7 @@
#include "stdio_impl.h"
+#include <errno.h>
+#include <string.h>
+#include <inttypes.h>
struct cookie {
size_t pos, len, size;
@@ -105,12 +108,13 @@ FILE *fmemopen(void *restrict buf, size_t size, const char *restrict mode)
f->seek = mseek;
f->close = mclose;
- 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;
}