compiler/posixc/execvp.c

   1 /*
   2     Copyright © 1995-2013, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     POSIX.1-2008 function execvp().
   6 */
   7
   8 #include <aros/debug.h>
   9
  10 #include <fcntl.h>
  11 #include <unistd.h>
  12 #include <errno.h>
  13 #include <assert.h>
  14 #include <stdlib.h>
  15
  16 #include "__exec.h"
  17
  18 /*****************************************************************************
  19
  20     NAME */
  21 #include <unistd.h>
  22
  23         int execvp(
  24
  25 /*  SYNOPSIS */
  26         const char *file,
  27         char *const argv[])
  28
  29 /*  FUNCTION
  30         Executes a file with given name. The search paths for the executed
  31         file are paths specified in the PATH environment variable.
  32
  33     INPUTS
  34         file - Name of the file to execute.
  35         argv - Array of arguments given to main() function of the executed
  36         file.
  37
  38     RESULT
  39         Returns -1 and sets errno appropriately in case of error, otherwise
  40         doesn't return.
  41
  42     NOTES
  43
  44     EXAMPLE
  45
  46     BUGS
  47
  48     SEE ALSO
  49         execve(), execl(), execlp(), execv()
  50
  51     INTERNALS
  52
  53 ******************************************************************************/
  54 {
  55     char ***environptr = __posixc_get_environptr();
  56     char **environ = (environptr != NULL) ? *environptr : NULL;
  57     APTR id = __exec_prepare(file, 1, argv, environ);
  58     if(!id)
  59         return -1;
  60
  61     __exec_do(id);
  62
  63     assert(0); /* not reached */
  64     return -1;
  65 } /* execvp() */
  66