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

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2020-12-15 20:00:27 +08:00
/*
* Copyright (C) 2020 Embecosm Limited
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <machine/syscall.h>
#include <string.h>
#include <fcntl.h>
#include "semihost_stat.h"
/* Status of a file (by name). */
int
_stat (const char *name, struct stat *st)
{
int file;
int res;
/* Initialize st as not all fields will be set. */
memset (st, 0, sizeof (*st));
/* Try to open file. */
file = _open (name, O_RDONLY);
if (file == -1)
/* _open should have already set errno. */
return -1;
/* File opened successfully, infer read permission for owner and assume it is
a regular file. */
st->st_mode |= S_IREAD | S_IFREG;
/* Fill in more info. */
res = __stat_common (file, st);
_close (file);
return res;
}