source: trunk/sys/dietlibc/ftell.c @ 1

Last change on this file since 1 was 1, checked in by alain, 5 years ago

First import

File size: 376 bytes
Line 
1#include "dietstdio.h"
2#include <unistd.h>
3#include <errno.h>
4
5long ftell_unlocked(FILE *stream) {
6  off_t l;
7  if (stream->flags&3 || (l=lseek(stream->fd,0,SEEK_CUR))==-1) return -1;
8  if (stream->flags&BUFINPUT)
9    return l-(stream->bs-stream->bm)-stream->ungotten;
10  else
11    return l+stream->bm;
12}
13
14long ftell(FILE *stream) __attribute__((weak,alias("ftell_unlocked")));
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