newlib-cygwin/libgloss/riscv/semihost-sys_stat_common.c

37 lines
736 B
C

/*
* Copyright (C) 2020 Embecosm Limited
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <machine/syscall.h>
#include "semihost_syscall.h"
#include <sys/stat.h>
#include "semihost_fdtable.h"
/* Used by _fstat and _stat to fill in some common details. */
int
__stat_common (int file, struct stat *st)
{
int flen;
struct fdentry *fd =__get_fdentry (file);
long data_block[1];
if (fd == NULL)
return -1;
data_block[0] = fd->handle;
/* Assume character device and default block size of 4096. */
st->st_mode |= S_IFCHR;
st->st_blksize = 4096;
/* Attempt to get length of file. */
flen = syscall_errno (SEMIHOST_flen, data_block);
if (flen == -1)
return -1;
st->st_size = flen;
return 0;
}