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authorRich Felker <dalias@aerifal.cx>2011-04-02 13:55:54 -0400
committerRich Felker <dalias@aerifal.cx>2011-04-02 13:55:54 -0400
commit8de03e1a90e60f62806c488cfa4985f99e869f87 (patch)
treee139eb856b577b4e8f997e02dbcdf0de245d32fc /src
parent9a909fcd915c65628931dcf6e7b34f261e39e3a3 (diff)
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don't disable seeking after first seek failure
this could cause problems if the application uses dup2(fd,fileno(f)) to redirect, and the old fd was not seekable but the new fd is.
Diffstat (limited to 'src')
-rw-r--r--src/stdio/__stdio_seek.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/src/stdio/__stdio_seek.c b/src/stdio/__stdio_seek.c
index 35ae788c..13e06a66 100644
--- a/src/stdio/__stdio_seek.c
+++ b/src/stdio/__stdio_seek.c
@@ -1,11 +1,5 @@
#include "stdio_impl.h"
-static off_t retneg1(FILE *f, off_t off, int whence)
-{
- errno = ESPIPE;
- return -1;
-}
-
off_t __stdio_seek(FILE *f, off_t off, int whence)
{
off_t ret;
@@ -15,7 +9,5 @@ off_t __stdio_seek(FILE *f, off_t off, int whence)
#else
ret = syscall(SYS_lseek, f->fd, off, whence);
#endif
- /* Detect unseekable files and optimize future failures out */
- if (ret < 0 && errno == ESPIPE) f->seek = retneg1;
return ret;
}