compiler/stdc/system.c

   1 /*
   2     Copyright © 1995-2013, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     C99 function system().
   6 */
   7
   8 #include <dos/dos.h>
   9 #include <proto/dos.h>
  10 #include <errno.h>
  11
  12 #define DEBUG 0
  13 #include <aros/debug.h>
  14
  15 /*****************************************************************************
  16
  17     NAME */
  18 #include <stdlib.h>
  19
  20         int system (
  21
  22 /*  SYNOPSIS */
  23         const char *string)
  24
  25 /*  FUNCTION
  26         Execute a command string. If string is NULL then 1 will be returned.
  27
  28     INPUTS
  29         string - command to execute or NULL
  30
  31     RESULT
  32         Return value of command executed. If value < 0 errno indicates error.
  33         1 is return if string is NULL.
  34
  35     NOTES
  36         The system() version of stdcio.library just passes the command
  37         to SystemTags() dos.library call.
  38
  39     EXAMPLE
  40
  41     BUGS
  42
  43     SEE ALSO
  44
  45     INTERNALS
  46
  47 ******************************************************************************/
  48 {
  49     int ret;
  50
  51     if (string == NULL)
  52         return 1; /* We have AmigaShell */
  53
  54     ret = (int)SystemTags(string, NULL);
  55
  56     if (ret == -1)
  57         errno = __stdc_ioerr2errno(IoErr());
  58
  59     return ret;
  60 } /* system */
  61