diplodocus.org Git - nmh/blob - sbr/getarguments.c

   1
   2 /*
   3  * getarguments.c -- Get the argument vector ready to go.
   4  *
   5  * $Id$
   6  */
   7
   8 #include <h/mh.h>
   9
  10 char **
  11 getarguments (char *invo_name, int argc, char **argv, int check_context)
  12 {
  13     char *cp, **ap, **bp, **arguments;
  14     int n = 0;
  15
  16     /*
  17      * Check if profile/context specifies any arguments
  18      */
  19     if (check_context && (cp = context_find (invo_name))) {
  20         cp = getcpy (cp);               /* make copy    */
  21         ap = brkstring (cp, " ", "\n"); /* split string */
  22
  23         /* Count number of arguments split */
  24         bp = ap;
  25         while (*bp++)
  26             n++;
  27     }
  28
  29     if (!(arguments = (char **) malloc ((argc + n) * sizeof(*arguments))))
  30         adios (NULL, "unable to malloc argument storage");
  31     bp = arguments;
  32
  33     /* Copy any arguments from profile/context */
  34     if (n > 0) {
  35         while (*ap)
  36             *bp++ = *ap++;
  37      }
  38
  39     /* Copy arguments from command line */
  40     argv++;
  41     while (*argv)
  42         *bp++ = *argv++;
  43
  44     /* Now NULL terminate the array */
  45     *bp = NULL;
  46
  47     return arguments;
  48 }