minix/lib/libc/sys-minix/ftruncate.c

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#include <sys/cdefs.h>
#include "namespace.h"
#include <lib.h>
#include <minix/u64.h>
#include <string.h>
#include <unistd.h>
#ifdef __weak_alias
__weak_alias(ftruncate, _ftruncate)
#endif
int ftruncate(int _fd, off_t _length)
{
message m;
memset(&m, 0, sizeof(m));
m.VFS_TRUNCATE_OFF = _length;
m.VFS_TRUNCATE_FD = _fd;
return(_syscall(VFS_PROC_NR, VFS_FTRUNCATE, &m));
}