kolibrios-fun/contrib/sdk/sources/newlib/libc/sys/fstat.c

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/* fstat.c -- get status of a file.
*
* Copyright (c) 1995 Cygnus Support
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice is included verbatim in any distributions. No written agreement,
* license, or royalty fee is required for any of the authorized uses.
* Modifications to this software may be copyrighted by their authors
* and need not follow the licensing terms described here, provided that
* the new terms are clearly indicated on the first page of each file where
* they apply.
*/
#include <errno.h>
#include <string.h>
#include <sys/unistd.h>
#include <sys/kos_io.h>
#include <sys/stat.h>
#include "glue.h"
#include "io.h"
int
_DEFUN (fstat, (fd, buf),
int fd _AND
struct stat *buf)
{
fileinfo_t info;
struct tm time;
__io_handle *ioh;
if( (fd < 0) || (fd >=64) )
{
errno = EBADF;
return (-1);
};
memset (buf, 0, sizeof (* buf));
if (fd <= STDERR_FILENO)
{
buf->st_mode = S_IFCHR;
buf->st_blksize = 0;
}
else
{
ioh = &__io_tab[fd];
get_fileinfo(ioh->name, &info);
if (info.attr & 0x10)
buf->st_mode = S_IFDIR;
else
{
if (info.attr & 0x07)
buf->st_mode = S_IFREG|S_IRUSR|S_IXUSR;
else
buf->st_mode = S_IFREG|S_IRUSR|S_IWUSR|S_IXUSR;
}
buf->st_blksize = 4096;
buf->st_size = info.size;
time.tm_sec = info.atime.sec;
time.tm_min = info.atime.min;
time.tm_hour = info.atime.hour;
time.tm_mday = info.adate.day;
time.tm_mon = info.adate.month;
time.tm_year = info.adate.year - 1900;
time.tm_isdst = -1;
buf->st_atime = mktime(&time);
time.tm_sec = info.ctime.sec;
time.tm_min = info.ctime.min;
time.tm_hour = info.ctime.hour;
time.tm_mday = info.cdate.day;
time.tm_mon = info.cdate.month;
time.tm_year = info.cdate.year - 1900;
time.tm_isdst = -1;
buf->st_ctime = mktime(&time);
time.tm_sec = info.mtime.sec;
time.tm_min = info.mtime.min;
time.tm_hour = info.mtime.hour;
time.tm_mday = info.mdate.day;
time.tm_mon = info.mdate.month;
time.tm_year = info.mdate.year - 1900;
time.tm_isdst = -1;
buf->st_mtime = mktime(&time);
};
return (0);
}