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fix overread (consuming an extra byte) scanning NAN
[musl]
/
src
/
stdio
/
rewind.c
diff --git
a/src/stdio/rewind.c
b/src/stdio/rewind.c
index
7944b43
..
6f4b58b
100644
(file)
--- a/
src/stdio/rewind.c
+++ b/
src/stdio/rewind.c
@@
-1,6
+1,9
@@
-#include
<stdio.h>
+#include
"stdio_impl.h"
void rewind(FILE *f)
{
- fseek(f, 0, SEEK_SET);
+ FLOCK(f);
+ __fseeko_unlocked(f, 0, SEEK_SET);
+ f->flags &= ~F_ERR;
+ FUNLOCK(f);
}