projects
/
musl
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
fix remaining direct use of stat syscalls outside fstatat.c
[musl]
/
src
/
stdio
/
fileno.c
diff --git
a/src/stdio/fileno.c
b/src/stdio/fileno.c
index
ba7f939
..
0bd0e98
100644
(file)
--- a/
src/stdio/fileno.c
+++ b/
src/stdio/fileno.c
@@
-1,13
+1,16
@@
#include "stdio_impl.h"
#include "stdio_impl.h"
+#include <errno.h>
int fileno(FILE *f)
{
int fileno(FILE *f)
{
- /* f->fd never changes, but the lock must be obtained and released
- * anyway since this function cannot return while another thread
- * holds the lock. */
FLOCK(f);
FLOCK(f);
+ int fd = f->fd;
FUNLOCK(f);
FUNLOCK(f);
- return f->fd;
+ if (fd < 0) {
+ errno = EBADF;
+ return -1;
+ }
+ return fd;
}
weak_alias(fileno, fileno_unlocked);
}
weak_alias(fileno, fileno_unlocked);