xref: /netbsd-src/external/gpl3/binutils/dist/binutils/windres.c (revision 179b12252ecaf3553d9c2b7458ce62b6a2203d0c)
1 /* windres.c -- a program to manipulate Windows resources
2    Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
3    Free Software Foundation, Inc.
4    Written by Ian Lance Taylor, Cygnus Support.
5    Rewritten by Kai Tietz, Onevision.
6 
7    This file is part of GNU Binutils.
8 
9    This program is free software; you can redistribute it and/or modify
10    it under the terms of the GNU General Public License as published by
11    the Free Software Foundation; either version 3 of the License, or
12    (at your option) any later version.
13 
14    This program is distributed in the hope that it will be useful,
15    but WITHOUT ANY WARRANTY; without even the implied warranty of
16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17    GNU General Public License for more details.
18 
19    You should have received a copy of the GNU General Public License
20    along with this program; if not, write to the Free Software
21    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
22    02110-1301, USA.  */
23 
24 /* This program can read and write Windows resources in various
25    formats.  In particular, it can act like the rc resource compiler
26    program, and it can act like the cvtres res to COFF conversion
27    program.
28 
29    It is based on information taken from the following sources:
30 
31    * Microsoft documentation.
32 
33    * The rcl program, written by Gunther Ebert
34      <gunther.ebert@ixos-leipzig.de>.
35 
36    * The res2coff program, written by Pedro A. Aranda <paag@tid.es>.  */
37 
38 #include "sysdep.h"
39 #include <assert.h>
40 #include <time.h>
41 #include "bfd.h"
42 #include "getopt.h"
43 #include "bucomm.h"
44 #include "libiberty.h"
45 #include "safe-ctype.h"
46 #include "obstack.h"
47 #include "windres.h"
48 
49 /* Defined in bfd/binary.c.  Used to set architecture and machine of input
50    binary files.  */
51 extern enum bfd_architecture  bfd_external_binary_architecture;
52 extern unsigned long          bfd_external_machine;
53 
54 /* Used by resrc.c at least.  */
55 
56 int verbose = 0;
57 
58 int target_is_bigendian = 0;
59 const char *def_target_arch;
60 
61 static void set_endianess (bfd *, const char *);
62 
63 /* An enumeration of format types.  */
64 
65 enum res_format
66 {
67   /* Unknown format.  */
68   RES_FORMAT_UNKNOWN,
69   /* Textual RC file.  */
70   RES_FORMAT_RC,
71   /* Binary RES file.  */
72   RES_FORMAT_RES,
73   /* COFF file.  */
74   RES_FORMAT_COFF
75 };
76 
77 /* A structure used to map between format types and strings.  */
78 
79 struct format_map
80 {
81   const char *name;
82   enum res_format format;
83 };
84 
85 /* A mapping between names and format types.  */
86 
87 static const struct format_map format_names[] =
88 {
89   { "rc", RES_FORMAT_RC },
90   { "res", RES_FORMAT_RES },
91   { "coff", RES_FORMAT_COFF },
92   { NULL, RES_FORMAT_UNKNOWN }
93 };
94 
95 /* A mapping from file extensions to format types.  */
96 
97 static const struct format_map format_fileexts[] =
98 {
99   { "rc", RES_FORMAT_RC },
100   { "res", RES_FORMAT_RES },
101   { "exe", RES_FORMAT_COFF },
102   { "obj", RES_FORMAT_COFF },
103   { "o", RES_FORMAT_COFF },
104   { NULL, RES_FORMAT_UNKNOWN }
105 };
106 
107 /* A list of include directories.  */
108 
109 struct include_dir
110 {
111   struct include_dir *next;
112   char *dir;
113 };
114 
115 static struct include_dir *include_dirs;
116 
117 /* Static functions.  */
118 
119 static void res_init (void);
120 static int extended_menuitems (const rc_menuitem *);
121 static enum res_format format_from_name (const char *, int);
122 static enum res_format format_from_filename (const char *, int);
123 static void usage (FILE *, int);
124 static int cmp_res_entry (const void *, const void *);
125 static rc_res_directory *sort_resources (rc_res_directory *);
126 static void reswr_init (void);
127 static const char * quot (const char *);
128 
129 static rc_uint_type target_get_8 (const void *, rc_uint_type);
130 static void target_put_8 (void *, rc_uint_type);
131 static rc_uint_type target_get_16 (const void *, rc_uint_type);
132 static void target_put_16 (void *, rc_uint_type);
133 static rc_uint_type target_get_32 (const void *, rc_uint_type);
134 static void target_put_32 (void *, rc_uint_type);
135 
136 
137 /* When we are building a resource tree, we allocate everything onto
138    an obstack, so that we can free it all at once if we want.  */
139 
140 #define obstack_chunk_alloc xmalloc
141 #define obstack_chunk_free free
142 
143 /* The resource building obstack.  */
144 
145 static struct obstack res_obstack;
146 
147 /* Initialize the resource building obstack.  */
148 
149 static void
150 res_init (void)
151 {
152   obstack_init (&res_obstack);
153 }
154 
155 /* Allocate space on the resource building obstack.  */
156 
157 void *
158 res_alloc (rc_uint_type bytes)
159 {
160   return (void *) obstack_alloc (&res_obstack, (size_t) bytes);
161 }
162 
163 /* We also use an obstack to save memory used while writing out a set
164    of resources.  */
165 
166 static struct obstack reswr_obstack;
167 
168 /* Initialize the resource writing obstack.  */
169 
170 static void
171 reswr_init (void)
172 {
173   obstack_init (&reswr_obstack);
174 }
175 
176 /* Allocate space on the resource writing obstack.  */
177 
178 void *
179 reswr_alloc (rc_uint_type bytes)
180 {
181   return (void *) obstack_alloc (&reswr_obstack, (size_t) bytes);
182 }
183 
184 /* Open a file using the include directory search list.  */
185 
186 FILE *
187 open_file_search (const char *filename, const char *mode, const char *errmsg,
188 		  char **real_filename)
189 {
190   FILE *e;
191   struct include_dir *d;
192 
193   e = fopen (filename, mode);
194   if (e != NULL)
195     {
196       *real_filename = xstrdup (filename);
197       return e;
198     }
199 
200   if (errno == ENOENT)
201     {
202       for (d = include_dirs; d != NULL; d = d->next)
203 	{
204 	  char *n;
205 
206 	  n = (char *) xmalloc (strlen (d->dir) + strlen (filename) + 2);
207 	  sprintf (n, "%s/%s", d->dir, filename);
208 	  e = fopen (n, mode);
209 	  if (e != NULL)
210 	    {
211 	      *real_filename = n;
212 	      return e;
213 	    }
214 
215 	  if (errno != ENOENT)
216 	    break;
217 	}
218     }
219 
220   fatal (_("can't open %s `%s': %s"), errmsg, filename, strerror (errno));
221 
222   /* Return a value to avoid a compiler warning.  */
223   return NULL;
224 }
225 
226 /* Compare two resource ID's.  We consider name entries to come before
227    numeric entries, because that is how they appear in the COFF .rsrc
228    section.  */
229 
230 int
231 res_id_cmp (rc_res_id a, rc_res_id b)
232 {
233   if (! a.named)
234     {
235       if (b.named)
236 	return 1;
237       if (a.u.id > b.u.id)
238 	return 1;
239       else if (a.u.id < b.u.id)
240 	return -1;
241       else
242 	return 0;
243     }
244   else
245     {
246       unichar *as, *ase, *bs, *bse;
247 
248       if (! b.named)
249 	return -1;
250 
251       as = a.u.n.name;
252       ase = as + a.u.n.length;
253       bs = b.u.n.name;
254       bse = bs + b.u.n.length;
255 
256       while (as < ase)
257 	{
258 	  int i;
259 
260 	  if (bs >= bse)
261 	    return 1;
262 	  i = (int) *as - (int) *bs;
263 	  if (i != 0)
264 	    return i;
265 	  ++as;
266 	  ++bs;
267 	}
268 
269       if (bs < bse)
270 	return -1;
271 
272       return 0;
273     }
274 }
275 
276 /* Print a resource ID.  */
277 
278 void
279 res_id_print (FILE *stream, rc_res_id id, int quote)
280 {
281   if (! id.named)
282     fprintf (stream, "%u", (int) id.u.id);
283   else
284     {
285       if (quote)
286 	unicode_print_quoted (stream, id.u.n.name, id.u.n.length);
287       else
288       unicode_print (stream, id.u.n.name, id.u.n.length);
289     }
290 }
291 
292 /* Print a list of resource ID's.  */
293 
294 void
295 res_ids_print (FILE *stream, int cids, const rc_res_id *ids)
296 {
297   int i;
298 
299   for (i = 0; i < cids; i++)
300     {
301       res_id_print (stream, ids[i], 1);
302       if (i + 1 < cids)
303 	fprintf (stream, ": ");
304     }
305 }
306 
307 /* Convert an ASCII string to a resource ID.  */
308 
309 void
310 res_string_to_id (rc_res_id *res_id, const char *string)
311 {
312   res_id->named = 1;
313   unicode_from_ascii (&res_id->u.n.length, &res_id->u.n.name, string);
314 }
315 
316 /* Convert an unicode string to a resource ID.  */
317 void
318 res_unistring_to_id (rc_res_id *res_id, const unichar *u)
319 {
320   res_id->named = 1;
321   res_id->u.n.length = unichar_len (u);
322   res_id->u.n.name = unichar_dup_uppercase (u);
323 }
324 
325 /* Define a resource.  The arguments are the resource tree, RESOURCES,
326    and the location at which to put it in the tree, CIDS and IDS.
327    This returns a newly allocated rc_res_resource structure, which the
328    caller is expected to initialize.  If DUPOK is non-zero, then if a
329    resource with this ID exists, it is returned.  Otherwise, a warning
330    is issued, and a new resource is created replacing the existing
331    one.  */
332 
333 rc_res_resource *
334 define_resource (rc_res_directory **resources, int cids,
335 		 const rc_res_id *ids, int dupok)
336 {
337   rc_res_entry *re = NULL;
338   int i;
339 
340   assert (cids > 0);
341   for (i = 0; i < cids; i++)
342     {
343       rc_res_entry **pp;
344 
345       if (*resources == NULL)
346 	{
347 	  static unsigned int timeval;
348 
349 	  /* Use the same timestamp for every resource created in a
350              single run.  */
351 	  if (timeval == 0)
352 	    timeval = time (NULL);
353 
354 	  *resources = ((rc_res_directory *)
355 			res_alloc (sizeof (rc_res_directory)));
356 	  (*resources)->characteristics = 0;
357 	  (*resources)->time = timeval;
358 	  (*resources)->major = 0;
359 	  (*resources)->minor = 0;
360 	  (*resources)->entries = NULL;
361 	}
362 
363       for (pp = &(*resources)->entries; *pp != NULL; pp = &(*pp)->next)
364 	if (res_id_cmp ((*pp)->id, ids[i]) == 0)
365 	  break;
366 
367       if (*pp != NULL)
368 	re = *pp;
369       else
370 	{
371 	  re = (rc_res_entry *) res_alloc (sizeof (rc_res_entry));
372 	  re->next = NULL;
373 	  re->id = ids[i];
374 	  if ((i + 1) < cids)
375 	    {
376 	      re->subdir = 1;
377 	      re->u.dir = NULL;
378 	    }
379 	  else
380 	    {
381 	      re->subdir = 0;
382 	      re->u.res = NULL;
383 	    }
384 
385 	  *pp = re;
386 	}
387 
388       if ((i + 1) < cids)
389 	{
390 	  if (! re->subdir)
391 	    {
392 	      fprintf (stderr, "%s: ", program_name);
393 	      res_ids_print (stderr, i, ids);
394 	      fprintf (stderr, _(": expected to be a directory\n"));
395 	      xexit (1);
396 	    }
397 
398 	  resources = &re->u.dir;
399 	}
400     }
401 
402   if (re->subdir)
403     {
404       fprintf (stderr, "%s: ", program_name);
405       res_ids_print (stderr, cids, ids);
406       fprintf (stderr, _(": expected to be a leaf\n"));
407       xexit (1);
408     }
409 
410   if (re->u.res != NULL)
411     {
412       if (dupok)
413 	return re->u.res;
414 
415       fprintf (stderr, _("%s: warning: "), program_name);
416       res_ids_print (stderr, cids, ids);
417       fprintf (stderr, _(": duplicate value\n"));
418     }
419 
420   re->u.res = ((rc_res_resource *)
421 	       res_alloc (sizeof (rc_res_resource)));
422   memset (re->u.res, 0, sizeof (rc_res_resource));
423 
424   re->u.res->type = RES_TYPE_UNINITIALIZED;
425   return re->u.res;
426 }
427 
428 /* Define a standard resource.  This is a version of define_resource
429    that just takes type, name, and language arguments.  */
430 
431 rc_res_resource *
432 define_standard_resource (rc_res_directory **resources, int type,
433 			  rc_res_id name, rc_uint_type language, int dupok)
434 {
435   rc_res_id a[3];
436 
437   a[0].named = 0;
438   a[0].u.id = type;
439   a[1] = name;
440   a[2].named = 0;
441   a[2].u.id = language;
442   return define_resource (resources, 3, a, dupok);
443 }
444 
445 /* Comparison routine for resource sorting.  */
446 
447 static int
448 cmp_res_entry (const void *p1, const void *p2)
449 {
450   const rc_res_entry **re1, **re2;
451 
452   re1 = (const rc_res_entry **) p1;
453   re2 = (const rc_res_entry **) p2;
454   return res_id_cmp ((*re1)->id, (*re2)->id);
455 }
456 
457 /* Sort the resources.  */
458 
459 static rc_res_directory *
460 sort_resources (rc_res_directory *resdir)
461 {
462   int c, i;
463   rc_res_entry *re;
464   rc_res_entry **a;
465 
466   if (resdir->entries == NULL)
467     return resdir;
468 
469   c = 0;
470   for (re = resdir->entries; re != NULL; re = re->next)
471     ++c;
472 
473   /* This is a recursive routine, so using xmalloc is probably better
474      than alloca.  */
475   a = (rc_res_entry **) xmalloc (c * sizeof (rc_res_entry *));
476 
477   for (i = 0, re = resdir->entries; re != NULL; re = re->next, i++)
478     a[i] = re;
479 
480   qsort (a, c, sizeof (rc_res_entry *), cmp_res_entry);
481 
482   resdir->entries = a[0];
483   for (i = 0; i < c - 1; i++)
484     a[i]->next = a[i + 1];
485   a[i]->next = NULL;
486 
487   free (a);
488 
489   /* Now sort the subdirectories.  */
490 
491   for (re = resdir->entries; re != NULL; re = re->next)
492     if (re->subdir)
493       re->u.dir = sort_resources (re->u.dir);
494 
495   return resdir;
496 }
497 
498 /* Return whether the dialog resource DIALOG is a DIALOG or a
499    DIALOGEX.  */
500 
501 int
502 extended_dialog (const rc_dialog *dialog)
503 {
504   const rc_dialog_control *c;
505 
506   if (dialog->ex != NULL)
507     return 1;
508 
509   for (c = dialog->controls; c != NULL; c = c->next)
510     if (c->data != NULL || c->help != 0)
511       return 1;
512 
513   return 0;
514 }
515 
516 /* Return whether MENUITEMS are a MENU or a MENUEX.  */
517 
518 int
519 extended_menu (const rc_menu *menu)
520 {
521   return extended_menuitems (menu->items);
522 }
523 
524 static int
525 extended_menuitems (const rc_menuitem *menuitems)
526 {
527   const rc_menuitem *mi;
528 
529   for (mi = menuitems; mi != NULL; mi = mi->next)
530     {
531       if (mi->help != 0 || mi->state != 0)
532 	return 1;
533       if (mi->popup != NULL && mi->id != 0)
534 	return 1;
535       if ((mi->type
536 	   & ~ (MENUITEM_CHECKED
537 		| MENUITEM_GRAYED
538 		| MENUITEM_HELP
539 		| MENUITEM_INACTIVE
540 		| MENUITEM_MENUBARBREAK
541 		| MENUITEM_MENUBREAK))
542 	  != 0)
543 	return 1;
544       if (mi->popup != NULL)
545 	{
546 	  if (extended_menuitems (mi->popup))
547 	    return 1;
548 	}
549     }
550 
551   return 0;
552 }
553 
554 /* Convert a string to a format type, or exit if it can't be done.  */
555 
556 static enum res_format
557 format_from_name (const char *name, int exit_on_error)
558 {
559   const struct format_map *m;
560 
561   for (m = format_names; m->name != NULL; m++)
562     if (strcasecmp (m->name, name) == 0)
563       break;
564 
565   if (m->name == NULL && exit_on_error)
566     {
567       non_fatal (_("unknown format type `%s'"), name);
568       fprintf (stderr, _("%s: supported formats:"), program_name);
569       for (m = format_names; m->name != NULL; m++)
570 	fprintf (stderr, " %s", m->name);
571       fprintf (stderr, "\n");
572       xexit (1);
573     }
574 
575   return m->format;
576 }
577 
578 /* Work out a format type given a file name.  If INPUT is non-zero,
579    it's OK to look at the file itself.  */
580 
581 static enum res_format
582 format_from_filename (const char *filename, int input)
583 {
584   const char *ext;
585   FILE *e;
586   bfd_byte b1, b2, b3, b4, b5;
587   int magic;
588 
589   /* If we have an extension, see if we recognize it as implying a
590      particular format.  */
591   ext = strrchr (filename, '.');
592   if (ext != NULL)
593     {
594       const struct format_map *m;
595 
596       ++ext;
597       for (m = format_fileexts; m->name != NULL; m++)
598 	if (strcasecmp (m->name, ext) == 0)
599 	  return m->format;
600     }
601 
602   /* If we don't recognize the name of an output file, assume it's a
603      COFF file.  */
604   if (! input)
605     return RES_FORMAT_COFF;
606 
607   /* Read the first few bytes of the file to see if we can guess what
608      it is.  */
609   e = fopen (filename, FOPEN_RB);
610   if (e == NULL)
611     fatal ("%s: %s", filename, strerror (errno));
612 
613   b1 = getc (e);
614   b2 = getc (e);
615   b3 = getc (e);
616   b4 = getc (e);
617   b5 = getc (e);
618 
619   fclose (e);
620 
621   /* A PE executable starts with 0x4d 0x5a.  */
622   if (b1 == 0x4d && b2 == 0x5a)
623     return RES_FORMAT_COFF;
624 
625   /* A COFF .o file starts with a COFF magic number.  */
626   magic = (b2 << 8) | b1;
627   switch (magic)
628     {
629     case 0x14c: /* i386 */
630     case 0x166: /* MIPS */
631     case 0x184: /* Alpha */
632     case 0x268: /* 68k */
633     case 0x1f0: /* PowerPC */
634     case 0x290: /* PA */
635       return RES_FORMAT_COFF;
636     }
637 
638   /* A RES file starts with 0x0 0x0 0x0 0x0 0x20 0x0 0x0 0x0.  */
639   if (b1 == 0 && b2 == 0 && b3 == 0 && b4 == 0 && b5 == 0x20)
640     return RES_FORMAT_RES;
641 
642   /* If every character is printable or space, assume it's an RC file.  */
643   if ((ISPRINT (b1) || ISSPACE (b1))
644       && (ISPRINT (b2) || ISSPACE (b2))
645       && (ISPRINT (b3) || ISSPACE (b3))
646       && (ISPRINT (b4) || ISSPACE (b4))
647       && (ISPRINT (b5) || ISSPACE (b5)))
648     return RES_FORMAT_RC;
649 
650   /* Otherwise, we give up.  */
651   fatal (_("can not determine type of file `%s'; use the -J option"),
652 	 filename);
653 
654   /* Return something to silence the compiler warning.  */
655   return RES_FORMAT_UNKNOWN;
656 }
657 
658 /* Print a usage message and exit.  */
659 
660 static void
661 usage (FILE *stream, int status)
662 {
663   fprintf (stream, _("Usage: %s [option(s)] [input-file] [output-file]\n"),
664 	   program_name);
665   fprintf (stream, _(" The options are:\n\
666   -i --input=<file>            Name input file\n\
667   -o --output=<file>           Name output file\n\
668   -J --input-format=<format>   Specify input format\n\
669   -O --output-format=<format>  Specify output format\n\
670   -F --target=<target>         Specify COFF target\n\
671      --preprocessor=<program>  Program to use to preprocess rc file\n\
672   -I --include-dir=<dir>       Include directory when preprocessing rc file\n\
673   -D --define <sym>[=<val>]    Define SYM when preprocessing rc file\n\
674   -U --undefine <sym>          Undefine SYM when preprocessing rc file\n\
675   -v --verbose                 Verbose - tells you what it's doing\n\
676   -c --codepage=<codepage>     Specify default codepage\n\
677   -l --language=<val>          Set language when reading rc file\n\
678      --use-temp-file           Use a temporary file instead of popen to read\n\
679                                the preprocessor output\n\
680      --no-use-temp-file        Use popen (default)\n"));
681 #ifdef YYDEBUG
682   fprintf (stream, _("\
683      --yydebug                 Turn on parser debugging\n"));
684 #endif
685   fprintf (stream, _("\
686   -r                           Ignored for compatibility with rc\n\
687   @<file>                      Read options from <file>\n\
688   -h --help                    Print this help message\n\
689   -V --version                 Print version information\n"));
690   fprintf (stream, _("\
691 FORMAT is one of rc, res, or coff, and is deduced from the file name\n\
692 extension if not specified.  A single file name is an input file.\n\
693 No input-file is stdin, default rc.  No output-file is stdout, default rc.\n"));
694 
695   list_supported_targets (program_name, stream);
696 
697   if (REPORT_BUGS_TO[0] && status == 0)
698     fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
699 
700   exit (status);
701 }
702 
703 /* Quote characters that will confuse the shell when we run the preprocessor.  */
704 
705 static const char *
706 quot (const char *string)
707 {
708   static char *buf = 0;
709   static int buflen = 0;
710   int slen = strlen (string);
711   const char *src;
712   char *dest;
713 
714   if ((buflen < slen * 2 + 2) || ! buf)
715     {
716       buflen = slen * 2 + 2;
717       if (buf)
718 	free (buf);
719       buf = (char *) xmalloc (buflen);
720     }
721 
722   for (src=string, dest=buf; *src; src++, dest++)
723     {
724       if (*src == '(' || *src == ')' || *src == ' ')
725 	*dest++ = '\\';
726       *dest = *src;
727     }
728   *dest = 0;
729   return buf;
730 }
731 
732 /* Long options.  */
733 
734 /* 150 isn't special; it's just an arbitrary non-ASCII char value.  */
735 
736 #define OPTION_PREPROCESSOR	150
737 #define OPTION_USE_TEMP_FILE	(OPTION_PREPROCESSOR + 1)
738 #define OPTION_NO_USE_TEMP_FILE	(OPTION_USE_TEMP_FILE + 1)
739 #define OPTION_YYDEBUG		(OPTION_NO_USE_TEMP_FILE + 1)
740 
741 static const struct option long_options[] =
742 {
743   {"input", required_argument, 0, 'i'},
744   {"output", required_argument, 0, 'o'},
745   {"input-format", required_argument, 0, 'J'},
746   {"output-format", required_argument, 0, 'O'},
747   {"target", required_argument, 0, 'F'},
748   {"preprocessor", required_argument, 0, OPTION_PREPROCESSOR},
749   {"include-dir", required_argument, 0, 'I'},
750   {"define", required_argument, 0, 'D'},
751   {"undefine", required_argument, 0, 'U'},
752   {"verbose", no_argument, 0, 'v'},
753   {"codepage", required_argument, 0, 'c'},
754   {"language", required_argument, 0, 'l'},
755   {"use-temp-file", no_argument, 0, OPTION_USE_TEMP_FILE},
756   {"no-use-temp-file", no_argument, 0, OPTION_NO_USE_TEMP_FILE},
757   {"yydebug", no_argument, 0, OPTION_YYDEBUG},
758   {"version", no_argument, 0, 'V'},
759   {"help", no_argument, 0, 'h'},
760   {0, no_argument, 0, 0}
761 };
762 
763 void
764 windres_add_include_dir (const char *p)
765 {
766   struct include_dir *n, **pp;
767 
768   /* Computing paths is often complicated and error prone.
769      The easiest way to check for mistakes is at the time
770      we add them to include_dirs.  */
771   assert (p != NULL);
772   assert (*p != '\0');
773 
774   n = xmalloc (sizeof *n);
775   n->next = NULL;
776   n->dir = (char * ) p;
777 
778   for (pp = &include_dirs; *pp != NULL; pp = &(*pp)->next)
779     ;
780   *pp = n;
781 }
782 
783 /* This keeps gcc happy when using -Wmissing-prototypes -Wstrict-prototypes.  */
784 int main (int, char **);
785 
786 /* The main function.  */
787 
788 int
789 main (int argc, char **argv)
790 {
791   int c;
792   char *input_filename;
793   char *output_filename;
794   enum res_format input_format;
795   enum res_format input_format_tmp;
796   enum res_format output_format;
797   char *target;
798   char *preprocessor;
799   char *preprocargs;
800   const char *quotedarg;
801   int language;
802   rc_res_directory *resources;
803   int use_temp_file;
804 
805 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
806   setlocale (LC_MESSAGES, "");
807 #endif
808 #if defined (HAVE_SETLOCALE)
809   setlocale (LC_CTYPE, "");
810 #endif
811   bindtextdomain (PACKAGE, LOCALEDIR);
812   textdomain (PACKAGE);
813 
814   program_name = argv[0];
815   xmalloc_set_program_name (program_name);
816 
817   expandargv (&argc, &argv);
818 
819   bfd_init ();
820   set_default_bfd_target ();
821 
822   res_init ();
823 
824   input_filename = NULL;
825   output_filename = NULL;
826   input_format = RES_FORMAT_UNKNOWN;
827   output_format = RES_FORMAT_UNKNOWN;
828   target = NULL;
829   preprocessor = NULL;
830   preprocargs = NULL;
831   language = 0x409;   /* LANG_ENGLISH, SUBLANG_ENGLISH_US.  */
832   use_temp_file = 0;
833 
834   while ((c = getopt_long (argc, argv, "c:f:i:l:o:I:J:O:F:D:U:rhHvV", long_options,
835 			   (int *) 0)) != EOF)
836     {
837       switch (c)
838 	{
839 	case 'c':
840 	  {
841 	    rc_uint_type ncp;
842 
843 	    if (optarg[0] == '0' && (optarg[1] == 'x' || optarg[1] == 'X'))
844 	      ncp = (rc_uint_type) strtol (optarg + 2, NULL, 16);
845 	    else
846 	      ncp = (rc_uint_type) strtol (optarg, NULL, 10);
847 	    if (ncp == CP_UTF16 || ! unicode_is_valid_codepage (ncp))
848 	      fatal (_("invalid codepage specified.\n"));
849 	    wind_default_codepage = wind_current_codepage = ncp;
850 	  }
851 	  break;
852 
853 	case 'i':
854 	  input_filename = optarg;
855 	  break;
856 
857 	case 'f':
858 	  /* For compatibility with rc we accept "-fo <name>" as being the
859 	     equivalent of "-o <name>".  We do not advertise this fact
860 	     though, as we do not want users to use non-GNU like command
861 	     line switches.  */
862 	  if (*optarg != 'o')
863 	    fatal (_("invalid option -f\n"));
864 	  optarg++;
865 	  if (* optarg == 0)
866 	    {
867 	      if (optind == argc)
868 		fatal (_("No filename following the -fo option.\n"));
869 	      optarg = argv [optind++];
870 	    }
871 	  /* Fall through.  */
872 
873 	case 'o':
874 	  output_filename = optarg;
875 	  break;
876 
877 	case 'J':
878 	  input_format = format_from_name (optarg, 1);
879 	  break;
880 
881 	case 'O':
882 	  output_format = format_from_name (optarg, 1);
883 	  break;
884 
885 	case 'F':
886 	  target = optarg;
887 	  break;
888 
889 	case OPTION_PREPROCESSOR:
890 	  preprocessor = optarg;
891 	  break;
892 
893 	case 'D':
894 	case 'U':
895 	  if (preprocargs == NULL)
896 	    {
897 	      quotedarg = quot (optarg);
898 	      preprocargs = xmalloc (strlen (quotedarg) + 3);
899 	      sprintf (preprocargs, "-%c%s", c, quotedarg);
900 	    }
901 	  else
902 	    {
903 	      char *n;
904 
905 	      quotedarg = quot (optarg);
906 	      n = xmalloc (strlen (preprocargs) + strlen (quotedarg) + 4);
907 	      sprintf (n, "%s -%c%s", preprocargs, c, quotedarg);
908 	      free (preprocargs);
909 	      preprocargs = n;
910 	    }
911 	  break;
912 
913 	case 'r':
914 	  /* Ignored for compatibility with rc.  */
915 	  break;
916 
917 	case 'v':
918 	  verbose ++;
919 	  break;
920 
921 	case 'I':
922 	  /* For backward compatibility, should be removed in the future.  */
923 	  input_format_tmp = format_from_name (optarg, 0);
924 	  if (input_format_tmp != RES_FORMAT_UNKNOWN)
925 	    {
926 	      fprintf (stderr,
927 	      	       _("Option -I is deprecated for setting the input format, please use -J instead.\n"));
928 	      input_format = input_format_tmp;
929 	      break;
930 	    }
931 
932 	  if (preprocargs == NULL)
933 	    {
934 	      quotedarg = quot (optarg);
935 	      preprocargs = xmalloc (strlen (quotedarg) + 3);
936 	      sprintf (preprocargs, "-I%s", quotedarg);
937 	    }
938 	  else
939 	    {
940 	      char *n;
941 
942 	      quotedarg = quot (optarg);
943 	      n = xmalloc (strlen (preprocargs) + strlen (quotedarg) + 4);
944 	      sprintf (n, "%s -I%s", preprocargs, quotedarg);
945 	      free (preprocargs);
946 	      preprocargs = n;
947 	    }
948 
949 	  windres_add_include_dir (optarg);
950 
951 	  break;
952 
953 	case 'l':
954 	  language = strtol (optarg, (char **) NULL, 16);
955 	  break;
956 
957 	case OPTION_USE_TEMP_FILE:
958 	  use_temp_file = 1;
959 	  break;
960 
961 	case OPTION_NO_USE_TEMP_FILE:
962 	  use_temp_file = 0;
963 	  break;
964 
965 #ifdef YYDEBUG
966 	case OPTION_YYDEBUG:
967 	  yydebug = 1;
968 	  break;
969 #endif
970 
971 	case 'h':
972 	case 'H':
973 	  usage (stdout, 0);
974 	  break;
975 
976 	case 'V':
977 	  print_version ("windres");
978 	  break;
979 
980 	default:
981 	  usage (stderr, 1);
982 	  break;
983 	}
984     }
985 
986   if (input_filename == NULL && optind < argc)
987     {
988       input_filename = argv[optind];
989       ++optind;
990     }
991 
992   if (output_filename == NULL && optind < argc)
993     {
994       output_filename = argv[optind];
995       ++optind;
996     }
997 
998   if (argc != optind)
999     usage (stderr, 1);
1000 
1001   if (input_format == RES_FORMAT_UNKNOWN)
1002     {
1003       if (input_filename == NULL)
1004 	input_format = RES_FORMAT_RC;
1005       else
1006 	input_format = format_from_filename (input_filename, 1);
1007     }
1008 
1009   if (output_format == RES_FORMAT_UNKNOWN)
1010     {
1011       if (output_filename == NULL)
1012 	output_format = RES_FORMAT_RC;
1013       else
1014 	output_format = format_from_filename (output_filename, 0);
1015     }
1016 
1017   set_endianess (NULL, target);
1018 
1019   /* Read the input file.  */
1020   switch (input_format)
1021     {
1022     default:
1023       abort ();
1024     case RES_FORMAT_RC:
1025       resources = read_rc_file (input_filename, preprocessor, preprocargs,
1026 				language, use_temp_file);
1027       break;
1028     case RES_FORMAT_RES:
1029       resources = read_res_file (input_filename);
1030       break;
1031     case RES_FORMAT_COFF:
1032       resources = read_coff_rsrc (input_filename, target);
1033       break;
1034     }
1035 
1036   if (resources == NULL)
1037     fatal (_("no resources"));
1038 
1039   /* Sort the resources.  This is required for COFF, convenient for
1040      rc, and unimportant for res.  */
1041   resources = sort_resources (resources);
1042 
1043   /* Write the output file.  */
1044   reswr_init ();
1045 
1046   switch (output_format)
1047     {
1048     default:
1049       abort ();
1050     case RES_FORMAT_RC:
1051       write_rc_file (output_filename, resources);
1052       break;
1053     case RES_FORMAT_RES:
1054       write_res_file (output_filename, resources);
1055       break;
1056     case RES_FORMAT_COFF:
1057       write_coff_file (output_filename, target, resources);
1058       break;
1059     }
1060 
1061   xexit (0);
1062   return 0;
1063 }
1064 
1065 static void
1066 set_endianess (bfd *abfd, const char *target)
1067 {
1068   const bfd_target *target_vec;
1069 
1070   def_target_arch = NULL;
1071   target_vec = bfd_find_target (target, abfd);
1072   if (! target_vec)
1073     fatal ("Can't detect target endianess and architecture.");
1074   target_is_bigendian = ((target_vec->byteorder == BFD_ENDIAN_BIG) ? 1 : 0);
1075 
1076   {
1077     const char *  tname = target_vec->name;
1078     const char ** arches = bfd_arch_list();
1079 
1080     if (arches && tname)
1081       {
1082 	const char ** arch = arches;
1083 
1084 	if (strchr (tname, '-') != NULL)
1085 	  tname = strchr (tname, '-') + 1;
1086 	while (*arch != NULL)
1087 	  {
1088 	    const char *in_a = strstr (*arch, tname);
1089 	    char end_ch = (in_a ? in_a[strlen(tname)] : 0);
1090 
1091 	    if (in_a && (in_a == *arch || in_a[-1] == ':')
1092 	        && end_ch == 0)
1093 	      {
1094 		def_target_arch = *arch;
1095 		break;
1096 	      }
1097 	    arch++;
1098 	  }
1099       }
1100 
1101     free (arches);
1102 
1103     if (! def_target_arch)
1104       fatal ("Can't detect architecture.");
1105   }
1106 }
1107 
1108 bfd *
1109 windres_open_as_binary (const char *filename, int rdmode)
1110 {
1111   bfd *abfd;
1112 
1113   abfd = (rdmode ? bfd_openr (filename, "binary") : bfd_openw (filename, "binary"));
1114   if (! abfd)
1115     fatal ("can't open `%s' for %s", filename, (rdmode ? "input" : "output"));
1116 
1117   if (rdmode && ! bfd_check_format (abfd, bfd_object))
1118     fatal ("can't open `%s' for input.", filename);
1119 
1120   return abfd;
1121 }
1122 
1123 void
1124 set_windres_bfd_endianess (windres_bfd *wrbfd, int is_bigendian)
1125 {
1126   assert (!! wrbfd);
1127   switch (WR_KIND(wrbfd))
1128   {
1129   case WR_KIND_BFD_BIN_L:
1130     if (is_bigendian)
1131       WR_KIND(wrbfd) = WR_KIND_BFD_BIN_B;
1132     break;
1133   case WR_KIND_BFD_BIN_B:
1134     if (! is_bigendian)
1135       WR_KIND(wrbfd) = WR_KIND_BFD_BIN_L;
1136     break;
1137   default:
1138     /* only binary bfd can be overriden. */
1139     abort ();
1140   }
1141 }
1142 
1143 void
1144 set_windres_bfd (windres_bfd *wrbfd, bfd *abfd, asection *sec, rc_uint_type kind)
1145 {
1146   assert (!! wrbfd);
1147   switch (kind)
1148   {
1149   case WR_KIND_TARGET:
1150     abfd = NULL;
1151     sec = NULL;
1152     break;
1153   case WR_KIND_BFD:
1154   case WR_KIND_BFD_BIN_L:
1155   case WR_KIND_BFD_BIN_B:
1156     assert (!! abfd);
1157     assert (!!sec);
1158     break;
1159   default:
1160     abort ();
1161   }
1162   WR_KIND(wrbfd) = kind;
1163   WR_BFD(wrbfd) = abfd;
1164   WR_SECTION(wrbfd) = sec;
1165 }
1166 
1167 void
1168 set_windres_bfd_content (windres_bfd *wrbfd, const void *data, rc_uint_type off,
1169 			 rc_uint_type length)
1170 {
1171   if (WR_KIND(wrbfd) != WR_KIND_TARGET)
1172     {
1173       if (! bfd_set_section_contents (WR_BFD(wrbfd), WR_SECTION(wrbfd), data, off, length))
1174 	bfd_fatal ("bfd_set_section_contents");
1175     }
1176   else
1177     abort ();
1178 }
1179 
1180 void
1181 get_windres_bfd_content (windres_bfd *wrbfd, void *data, rc_uint_type off,
1182 			 rc_uint_type length)
1183 {
1184   if (WR_KIND(wrbfd) != WR_KIND_TARGET)
1185     {
1186       if (! bfd_get_section_contents (WR_BFD(wrbfd), WR_SECTION(wrbfd), data, off, length))
1187 	bfd_fatal ("bfd_get_section_contents");
1188     }
1189   else
1190     abort ();
1191 }
1192 
1193 void
1194 windres_put_8 (windres_bfd *wrbfd, void *p, rc_uint_type value)
1195 {
1196   switch (WR_KIND(wrbfd))
1197     {
1198     case WR_KIND_TARGET:
1199       target_put_8 (p, value);
1200       break;
1201     case WR_KIND_BFD:
1202     case WR_KIND_BFD_BIN_L:
1203     case WR_KIND_BFD_BIN_B:
1204       bfd_put_8 (WR_BFD(wrbfd), value, p);
1205       break;
1206     default:
1207       abort ();
1208     }
1209 }
1210 
1211 void
1212 windres_put_16 (windres_bfd *wrbfd, void *data, rc_uint_type value)
1213 {
1214   switch (WR_KIND(wrbfd))
1215     {
1216     case WR_KIND_TARGET:
1217       target_put_16 (data, value);
1218       break;
1219     case WR_KIND_BFD:
1220     case WR_KIND_BFD_BIN_B:
1221       bfd_put_16 (WR_BFD(wrbfd), value, data);
1222       break;
1223     case WR_KIND_BFD_BIN_L:
1224       bfd_putl16 (value, data);
1225       break;
1226     default:
1227       abort ();
1228     }
1229 }
1230 
1231 void
1232 windres_put_32 (windres_bfd *wrbfd, void *data, rc_uint_type value)
1233 {
1234   switch (WR_KIND(wrbfd))
1235     {
1236     case WR_KIND_TARGET:
1237       target_put_32 (data, value);
1238       break;
1239     case WR_KIND_BFD:
1240     case WR_KIND_BFD_BIN_B:
1241       bfd_put_32 (WR_BFD(wrbfd), value, data);
1242       break;
1243     case WR_KIND_BFD_BIN_L:
1244       bfd_putl32 (value, data);
1245       break;
1246     default:
1247       abort ();
1248     }
1249 }
1250 
1251 rc_uint_type
1252 windres_get_8 (windres_bfd *wrbfd, const void *data, rc_uint_type length)
1253 {
1254   if (length < 1)
1255     fatal ("windres_get_8: unexpected eob.");
1256   switch (WR_KIND(wrbfd))
1257     {
1258     case WR_KIND_TARGET:
1259       return target_get_8 (data, length);
1260     case WR_KIND_BFD:
1261     case WR_KIND_BFD_BIN_B:
1262     case WR_KIND_BFD_BIN_L:
1263       return bfd_get_8 (WR_BFD(wrbfd), data);
1264     default:
1265       abort ();
1266     }
1267   return 0;
1268 }
1269 
1270 rc_uint_type
1271 windres_get_16 (windres_bfd *wrbfd, const void *data, rc_uint_type length)
1272 {
1273   if (length < 2)
1274     fatal ("windres_get_16: unexpected eob.");
1275   switch (WR_KIND(wrbfd))
1276     {
1277     case WR_KIND_TARGET:
1278       return target_get_16 (data, length);
1279     case WR_KIND_BFD:
1280     case WR_KIND_BFD_BIN_B:
1281       return bfd_get_16 (WR_BFD(wrbfd), data);
1282     case WR_KIND_BFD_BIN_L:
1283       return bfd_getl16 (data);
1284     default:
1285       abort ();
1286     }
1287   return 0;
1288 }
1289 
1290 rc_uint_type
1291 windres_get_32 (windres_bfd *wrbfd, const void *data, rc_uint_type length)
1292 {
1293   if (length < 4)
1294     fatal ("windres_get_32: unexpected eob.");
1295   switch (WR_KIND(wrbfd))
1296     {
1297     case WR_KIND_TARGET:
1298       return target_get_32 (data, length);
1299     case WR_KIND_BFD:
1300     case WR_KIND_BFD_BIN_B:
1301       return bfd_get_32 (WR_BFD(wrbfd), data);
1302     case WR_KIND_BFD_BIN_L:
1303       return bfd_getl32 (data);
1304     default:
1305       abort ();
1306     }
1307   return 0;
1308 }
1309 
1310 static rc_uint_type
1311 target_get_8 (const void *p, rc_uint_type length)
1312 {
1313   rc_uint_type ret;
1314 
1315   if (length < 1)
1316     fatal ("Resource too small for getting 8-bit value.");
1317 
1318   ret = (rc_uint_type) *((const bfd_byte *) p);
1319   return ret & 0xff;
1320 }
1321 
1322 static rc_uint_type
1323 target_get_16 (const void *p, rc_uint_type length)
1324 {
1325   if (length < 2)
1326     fatal ("Resource too small for getting 16-bit value.");
1327 
1328   if (target_is_bigendian)
1329     return bfd_getb16 (p);
1330   else
1331     return bfd_getl16 (p);
1332 }
1333 
1334 static rc_uint_type
1335 target_get_32 (const void *p, rc_uint_type length)
1336 {
1337   if (length < 4)
1338     fatal ("Resource too small for getting 32-bit value.");
1339 
1340   if (target_is_bigendian)
1341     return bfd_getb32 (p);
1342   else
1343     return bfd_getl32 (p);
1344 }
1345 
1346 static void
1347 target_put_8 (void *p, rc_uint_type value)
1348 {
1349   assert (!! p);
1350   *((bfd_byte *) p)=(bfd_byte) value;
1351 }
1352 
1353 static void
1354 target_put_16 (void *p, rc_uint_type value)
1355 {
1356   assert (!! p);
1357 
1358   if (target_is_bigendian)
1359     bfd_putb16 (value, p);
1360   else
1361     bfd_putl16 (value, p);
1362 }
1363 
1364 static void
1365 target_put_32 (void *p, rc_uint_type value)
1366 {
1367   assert (!! p);
1368 
1369   if (target_is_bigendian)
1370     bfd_putb32 (value, p);
1371   else
1372     bfd_putl32 (value, p);
1373 }
1374 
1375 static int isInComment = 0;
1376 
1377 int wr_printcomment (FILE *e, const char *fmt, ...)
1378 {
1379   va_list arg;
1380   int r = 0;
1381 
1382   if (isInComment)
1383     r += fprintf (e, "\n   ");
1384   else
1385     fprintf (e, "/* ");
1386   isInComment = 1;
1387   if (fmt == NULL)
1388     return r;
1389   va_start (arg, fmt);
1390   r += vfprintf (e, fmt, arg);
1391   va_end (arg);
1392   return r;
1393 }
1394 
1395 int wr_print (FILE *e, const char *fmt, ...)
1396 {
1397   va_list arg;
1398   int r = 0;
1399   if (isInComment)
1400     r += fprintf (e, ".  */\n");
1401   isInComment = 0;
1402   if (! fmt)
1403     return r;
1404   va_start (arg, fmt);
1405   r += vfprintf (e, fmt, arg);
1406   va_end (arg);
1407   return r;
1408 }
1409