Update to 1.12.3.

@@ -1,9 +1,9 @@
-/*      $Id: main.c,v 1.165 2011/10/06 22:29:12 kristaps Exp $ */
+/*      $Id: main.c,v 1.167 2012/11/19 17:22:26 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010, 2011, 2012 Ingo Schwarze <schwarze@openbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *

@@ -83,10 +83,11 @@
 {
         int              c;
         struct curparse  curp;
         enum mparset     type;
         enum mandoclevel rc;
+        char            *defos;
 
         progname = strrchr(argv[0], '/');
         if (progname == NULL)
                 progname = argv[0];
         else

@@ -95,14 +96,28 @@
         memset(&curp, 0, sizeof(struct curparse));
 
         type = MPARSE_AUTO;
         curp.outtype = OUTT_ASCII;
         curp.wlevel  = MANDOCLEVEL_FATAL;
+        defos = NULL;
 
         /* LINTED */
-        while (-1 != (c = getopt(argc, argv, "m:O:T:VW:")))
+        while (-1 != (c = getopt(argc, argv, "I:m:O:T:VW:")))
                 switch (c) {
+                case ('I'):
+                        if (strncmp(optarg, "os=", 3)) {
+                                fprintf(stderr, "-I%s: Bad argument\n",
+                                                optarg);
+                                return((int)MANDOCLEVEL_BADARG);
+                        }
+                        if (defos) {
+                                fprintf(stderr, "-I%s: Duplicate argument\n",
+                                                optarg);
+                                return((int)MANDOCLEVEL_BADARG);
+                        }
+                        defos = mandoc_strdup(optarg + 3);
+                        break;
                 case ('m'):
                         if ( ! moptions(&type, optarg))
                                 return((int)MANDOCLEVEL_BADARG);
                         break;
                 case ('O'):

@@ -123,11 +138,11 @@
                 default:
                         usage();
                         /* NOTREACHED */
                 }
 
-        curp.mp = mparse_alloc(type, curp.wlevel, mmsg, &curp);
+        curp.mp = mparse_alloc(type, curp.wlevel, mmsg, &curp, defos);
 
         /*
          * Conditionally start up the lookaside buffer before parsing.
          */
         if (OUTT_MAN == curp.outtype)

@@ -150,10 +165,11 @@
 
         if (curp.outfree)
                 (*curp.outfree)(curp.outdata);
         if (curp.mp)
                 mparse_free(curp.mp);
+        free(defos);
 
         return((int)rc);
 }
 
 static void

@@ -168,16 +184,16 @@
 usage(void)
 {
 
         fprintf(stderr, "usage: %s "
                         "[-V] "
-                        "[-foption] "
+                        "[-Ios=name] "
                         "[-mformat] "
                         "[-Ooption] "
                         "[-Toutput] "
-                        "[-Wlevel] "
-                        "[file...]\n", 
+                        "[-Wlevel]\n"
+                        "\t      [file ...]\n", 
                         progname);
 
         exit((int)MANDOCLEVEL_BADARG);
 }