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fix possible (questionable) strict aliasing violations and ptr arith
[musl]
/
src
/
stdio
/
__stdio_seek.c
diff --git
a/src/stdio/__stdio_seek.c
b/src/stdio/__stdio_seek.c
index
c7a5b73
..
13e06a6
100644
(file)
--- a/
src/stdio/__stdio_seek.c
+++ b/
src/stdio/__stdio_seek.c
@@
-1,21
+1,13
@@
#include "stdio_impl.h"
#include "stdio_impl.h"
-static off_t retneg1(FILE *f, off_t off, int whence)
-{
- return -1;
-}
-
off_t __stdio_seek(FILE *f, off_t off, int whence)
{
off_t ret;
off_t __stdio_seek(FILE *f, off_t off, int whence)
{
off_t ret;
-#ifdef
__NR
__llseek
- if (syscall
5(__NR__llseek, f->fd, off>>32, off, (long)
&ret, whence)<0)
+#ifdef
SYS
__llseek
+ if (syscall
(SYS__llseek, f->fd, off>>32, off,
&ret, whence)<0)
ret = -1;
#else
ret = -1;
#else
- ret = syscall
3(__NR
_lseek, f->fd, off, whence);
+ ret = syscall
(SYS
_lseek, f->fd, off, whence);
#endif
#endif
- /* Detect unseekable files and optimize future failures out */
- if (ret < 0 && off == 0 && whence == SEEK_CUR)
- f->seek = retneg1;
return ret;
}
return ret;
}