examples/loadables/template.c

   1 /* template - example template for loadable builtin */
   2
   3 /* See Makefile for compilation details. */
   4
   5 #include <config.h>
   6
   7 #if defined (HAVE_UNISTD_H)
   8 #  include <unistd.h>
   9 #endif
  10 #include "bashansi.h"
  11 #include <stdio.h>
  12 #include <errno.h>
  13
  14 #include "builtins.h"
  15 #include "shell.h"
  16 #include "bashgetopt.h"
  17
  18 #if !defined (errno)
  19 extern int errno;
  20 #endif
  21
  22 extern char *strerror ();
  23
  24 template_builtin (list)
  25      WORD_LIST *list;
  26 {
  27   int opt, rval;
  28
  29   rval = EXECUTION_SUCCESS;
  30   reset_internal_getopt ();
  31   while ((opt = internal_getopt (list, "")) != -1)
  32     {
  33       switch (opt)
  34         {
  35         default:
  36           builtin_usage ();
  37           return (EX_USAGE);
  38         }
  39     }
  40   list = loptend;
  41
  42   return (rval);
  43 }
  44
  45 char *template_doc[] = {
  46         "Short description.",
  47         ""
  48         "Longer description of builtin and usage.",
  49         (char *)NULL
  50 };
  51
  52 struct builtin template_struct = {
  53         "template",                     /* builtin name */
  54         template_builtin,               /* function implementing the builtin */
  55         BUILTIN_ENABLED,                /* initial flags for builtin */
  56         template_doc,                   /* array of long documentation strings. */
  57         "template",                     /* usage synopsis; becomes short_doc */
  58         0                               /* reserved for internal use */
  59 };