re PR preprocessor/16366 (Preprocessor option -remap causes memory corruption)

2004-07-16  Andris Pavenis  <pavenis@latnet.lv>

	PR preprocessor/16366
	* internal.h (struct cpp_reader): New field dir_hash.
	* files.c (make_cpp_dir): Use dir_hash, not file_hash.
	(_cpp_init_files, _cpp_cleanup_files): Update for new field.

From-SVN: r84821

libcpp/ChangeLog

+2004-07-16  Andris Pavenis  <pavenis@latnet.lv>
+
+	PR preprocessor/16366
+	* internal.h (struct cpp_reader): New field dir_hash.
+	* files.c (make_cpp_dir): Use dir_hash, not file_hash.
+	(_cpp_init_files, _cpp_cleanup_files): Update for new field.
+
 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
 
 	PR preprocessor/16192

libcpp/files.c

@@ -884,7 +884,7 @@ make_cpp_dir (cpp_reader *pfile, const char *dir_name, int sysp)
   cpp_dir *dir;
 
   hash_slot = (struct file_hash_entry **)
-    htab_find_slot_with_hash (pfile->file_hash, dir_name,
+    htab_find_slot_with_hash (pfile->dir_hash, dir_name,
 			      htab_hash_string (dir_name),
 			      INSERT);
 
@@ -984,6 +984,8 @@ _cpp_init_files (cpp_reader *pfile)
 {
   pfile->file_hash = htab_create_alloc (127, file_hash_hash, file_hash_eq,
 					NULL, xcalloc, free);
+  pfile->dir_hash = htab_create_alloc (127, file_hash_hash, file_hash_eq,
+					NULL, xcalloc, free);
   allocate_file_hash_entries (pfile);
 }
 
@@ -992,6 +994,7 @@ void
 _cpp_cleanup_files (cpp_reader *pfile)
 {
   htab_delete (pfile->file_hash);
+  htab_delete (pfile->dir_hash);
 }
 
 /* Enter a file name in the hash for the sake of cpp_included.  */

libcpp/internal.h

@@ -334,6 +334,7 @@ struct cpp_reader
 
   /* File and directory hash table.  */
   struct htab *file_hash;
+  struct htab *dir_hash;
   struct file_hash_entry *file_hash_entries;
   unsigned int file_hash_entries_allocated, file_hash_entries_used;