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  1. /* fstat.c -- get status of a file.
  2.  *
  3.  * Copyright (c) 1995 Cygnus Support
  4.  *
  5.  * The authors hereby grant permission to use, copy, modify, distribute,
  6.  * and license this software and its documentation for any purpose, provided
  7.  * that existing copyright notices are retained in all copies and that this
  8.  * notice is included verbatim in any distributions. No written agreement,
  9.  * license, or royalty fee is required for any of the authorized uses.
  10.  * Modifications to this software may be copyrighted by their authors
  11.  * and need not follow the licensing terms described here, provided that
  12.  * the new terms are clearly indicated on the first page of each file where
  13.  * they apply.
  14.  */
  15. #include <errno.h>
  16. #include <string.h>
  17. #include <sys/unistd.h>
  18. #include <sys/kos_io.h>
  19. #include <sys/stat.h>
  20. #include "glue.h"
  21. #include "io.h"
  22.  
  23. int
  24. _DEFUN (fstat, (fd, buf),
  25.        int fd _AND
  26.        struct stat *buf)
  27. {
  28.     fileinfo_t info;
  29.     struct tm time;
  30.  
  31.     __io_handle *ioh;
  32.  
  33.     if( (fd < 0) || (fd >=64) )
  34.     {
  35.         errno = EBADF;
  36.         return (-1);
  37.     };
  38.  
  39.     memset (buf, 0, sizeof (* buf));
  40.  
  41.     if (fd <= STDERR_FILENO)
  42.     {
  43.         buf->st_mode = S_IFCHR;
  44.         buf->st_blksize = 0;
  45.     }
  46.     else
  47.     {
  48.  
  49.         ioh = &__io_tab[fd];
  50.         get_fileinfo(ioh->name, &info);
  51.  
  52.         if (info.attr & 0x10)
  53.             buf->st_mode = S_IFDIR;
  54.         else
  55.         {
  56.             if (info.attr & 0x07)
  57.                 buf->st_mode = S_IFREG|S_IRUSR|S_IXUSR;
  58.             else
  59.                 buf->st_mode = S_IFREG|S_IRUSR|S_IWUSR|S_IXUSR;
  60.         }
  61.         buf->st_blksize = 4096;
  62.         buf->st_size  = info.size;
  63.  
  64.         time.tm_sec   = info.atime.sec;
  65.         time.tm_min   = info.atime.min;
  66.         time.tm_hour  = info.atime.hour;
  67.         time.tm_mday  = info.adate.day;
  68.         time.tm_mon   = info.adate.month;
  69.         time.tm_year  = info.adate.year - 1900;
  70.         time.tm_isdst = -1;
  71.         buf->st_atime = mktime(&time);
  72.  
  73.         time.tm_sec   = info.ctime.sec;
  74.         time.tm_min   = info.ctime.min;
  75.         time.tm_hour  = info.ctime.hour;
  76.         time.tm_mday  = info.cdate.day;
  77.         time.tm_mon   = info.cdate.month;
  78.         time.tm_year  = info.cdate.year - 1900;
  79.         time.tm_isdst = -1;
  80.         buf->st_ctime = mktime(&time);
  81.  
  82.         time.tm_sec   = info.mtime.sec;
  83.         time.tm_min   = info.mtime.min;
  84.         time.tm_hour  = info.mtime.hour;
  85.         time.tm_mday  = info.mdate.day;
  86.         time.tm_mon   = info.mdate.month;
  87.         time.tm_year  = info.mdate.year - 1900;
  88.         time.tm_isdst = -1;
  89.         buf->st_mtime = mktime(&time);
  90.  
  91.     };
  92.  
  93.     return (0);
  94. }
  95.  
  96.  
  97.  
  98.