source:
trunk/sys/dietlibc/ftell.c
@
28
| Last change on this file since 28 was 1, checked in by , 8 years ago | |
|---|---|
| File size: 376 bytes | |
| Rev | Line | |
|---|---|---|
| [1] | 1 | #include "dietstdio.h" |
| 2 | #include <unistd.h> | |
| 3 | #include <errno.h> | |
| 4 | ||
| 5 | long 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 | ||
| 14 | long ftell(FILE *stream) __attribute__((weak,alias("ftell_unlocked"))); |
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