rewind.c (d201fe46e355212750b727061e6a7ac005267852) rewind.c (71b5a4326ddbfff4f2f249acea228dc5e642dd62)
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

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47#include <stdio.h>
48#include "un-namespace.h"
49#include "libc_private.h"
50#include "local.h"
51
52void
53rewind(FILE *fp)
54{
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

--- 38 unchanged lines hidden (view full) ---

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 /* make sure stdio is set up */
56 if (!__sdidinit)
57 __sinit();
58
55 FLOCKFILE(fp);
59 FLOCKFILE(fp);
56 (void) _fseeko(fp, (off_t)0, SEEK_SET);
57 clearerr(fp);
60 if (_fseeko(fp, (off_t)0, SEEK_SET, 1) == 0)
61 clearerr_unlocked(fp);
58 FUNLOCKFILE(fp);
62 FUNLOCKFILE(fp);
59 errno = 0; /* not required, but seems reasonable */
63 /* errno required by POSIX to sense error, don't zero it here */
60}
64}