newlib-cygwin/newlib/libc/sys/go32/truncate.c

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2000-02-18 03:39:52 +08:00
/* This is file TRUNCATE.C */
/*
** Copyright (C) 1991 DJ Delorie
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**
** This file is distributed under the terms listed in the document
** "copying.dj".
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** A copy of "copying.dj" should accompany this file; if not, a copy
** should be available from where this file was obtained. This file
** may not be distributed without a verbatim copy of "copying.dj".
**
** This file is distributed WITHOUT ANY WARRANTY; without even the implied
** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
#include <fcntl.h>
truncate(const char *fn, unsigned long where)
{
int fd = open(fn, O_WRONLY);
if (fd < 0)
return -1;
lseek(fd, where, 0);
write(fd, 0, 0);
close(fd);
}