| rewind.c (81817) | rewind.c (82743) |
|---|---|
| 1/*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Chris Torek. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 25 unchanged lines hidden (view full) --- 34 * SUCH DAMAGE. 35 */ 36 37#if defined(LIBC_SCCS) && !defined(lint) 38#if 0 39static char sccsid[] = "@(#)rewind.c 8.1 (Berkeley) 6/4/93"; 40#endif 41static const char rcsid[] = | 1/*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Chris Torek. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 25 unchanged lines hidden (view full) --- 34 * SUCH DAMAGE. 35 */ 36 37#if defined(LIBC_SCCS) && !defined(lint) 38#if 0 39static char sccsid[] = "@(#)rewind.c 8.1 (Berkeley) 6/4/93"; 40#endif 41static const char rcsid[] = |
| 42 "$FreeBSD: head/lib/libc/stdio/rewind.c 81817 2001-08-17 09:57:11Z ache $"; | 42 "$FreeBSD: head/lib/libc/stdio/rewind.c 82743 2001-09-01 15:28:24Z ache $"; |
| 43#endif /* LIBC_SCCS and not lint */ 44 45#include "namespace.h" 46#include <errno.h> 47#include <stdio.h> 48#include "un-namespace.h" 49#include "libc_private.h" 50#include "local.h" 51 52void 53rewind(FILE *fp) 54{ | 43#endif /* LIBC_SCCS and not lint */ 44 45#include "namespace.h" 46#include <errno.h> 47#include <stdio.h> 48#include "un-namespace.h" 49#include "libc_private.h" 50#include "local.h" 51 52void 53rewind(FILE *fp) 54{ |
| 55 int serrno = errno; 56 |
|
| 55 /* make sure stdio is set up */ 56 if (!__sdidinit) 57 __sinit(); 58 59 FLOCKFILE(fp); | 57 /* make sure stdio is set up */ 58 if (!__sdidinit) 59 __sinit(); 60 61 FLOCKFILE(fp); |
| 60 if (_fseeko(fp, (off_t)0, SEEK_SET, 1) == 0) | 62 if (_fseeko(fp, (off_t)0, SEEK_SET, 1) == 0) { |
| 61 clearerr_unlocked(fp); | 63 clearerr_unlocked(fp); |
| 64 errno = serrno; 65 } |
|
| 62 FUNLOCKFILE(fp); | 66 FUNLOCKFILE(fp); |
| 63 /* errno required by POSIX to sense error, don't zero it here */ | |
| 64} | 67} |