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Annotation of gforth/libltdl/lt__dirent.c, revision 1.1

1.1     ! anton       1: /* lt__dirent.c -- internal directory entry scanning interface
        !             2: 
        !             3:    Copyright (C) 2001, 2004 Free Software Foundation, Inc.
        !             4:    Written by Bob Friesenhahn, 2001
        !             5: 
        !             6:    NOTE: The canonical source of this file is maintained with the
        !             7:    GNU Libtool package.  Report bugs to bug-libtool@gnu.org.
        !             8: 
        !             9: GNU Libltdl is free software; you can redistribute it and/or
        !            10: modify it under the terms of the GNU Lesser General Public
        !            11: License as published by the Free Software Foundation; either
        !            12: version 2 of the License, or (at your option) any later version.
        !            13: 
        !            14: As a special exception to the GNU Lesser General Public License,
        !            15: if you distribute this file as part of a program or library that
        !            16: is built using GNU Libtool, you may include this file under the
        !            17: same distribution terms that you use for the rest of that program.
        !            18: 
        !            19: GNU Libltdl is distributed in the hope that it will be useful,
        !            20: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            21: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            22: GNU Lesser General Public License for more details.
        !            23: 
        !            24: You should have received a copy of the GNU Lesser General Public
        !            25: License along with GNU Libltdl; see the file COPYING.LIB.  If not, a
        !            26: copy can be downloaded from  http://www.gnu.org/licenses/lgpl.html,
        !            27: or obtained by writing to the Free Software Foundation, Inc.,
        !            28: 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
        !            29: */
        !            30: 
        !            31: #include "lt__private.h"
        !            32: 
        !            33: #include <assert.h>
        !            34: #include <stddef.h>
        !            35: 
        !            36: #include "lt__dirent.h"
        !            37: 
        !            38: #if defined(__WINDOWS__)
        !            39: 
        !            40: void
        !            41: closedir (DIR *entry)
        !            42: {
        !            43:   assert (entry != (DIR *) NULL);
        !            44:   FindClose (entry->hSearch);
        !            45:   free ((void *) entry);
        !            46: }
        !            47: 
        !            48: 
        !            49: DIR *
        !            50: opendir (const char *path)
        !            51: {
        !            52:   char file_spec[LT_FILENAME_MAX];
        !            53:   DIR *entry;
        !            54: 
        !            55:   assert (path != (char *) 0);
        !            56:   if (lt_strlcpy (file_spec, path, sizeof file_spec) >= sizeof file_spec
        !            57:       || lt_strlcat (file_spec, "\\", sizeof file_spec) >= sizeof file_spec)
        !            58:     return (DIR *) 0;
        !            59:   entry = (DIR *) malloc (sizeof(DIR));
        !            60:   if (entry != (DIR *) 0)
        !            61:     {
        !            62:       entry->firsttime = TRUE;
        !            63:       entry->hSearch = FindFirstFile (file_spec, &entry->Win32FindData);
        !            64: 
        !            65:       if (entry->hSearch == INVALID_HANDLE_VALUE)
        !            66:        {
        !            67:          if (lt_strlcat (file_spec, "\\*.*", sizeof file_spec) < sizeof file_spec)
        !            68:            {
        !            69:              entry->hSearch = FindFirstFile (file_spec, &entry->Win32FindData);
        !            70:            }
        !            71: 
        !            72:          if (entry->hSearch == INVALID_HANDLE_VALUE)
        !            73:            {
        !            74:              entry = (free (entry), (DIR *) 0);
        !            75:            }
        !            76:        }
        !            77:     }
        !            78: 
        !            79:   return entry;
        !            80: }
        !            81: 
        !            82: 
        !            83: struct dirent *
        !            84: readdir (DIR *entry)
        !            85: {
        !            86:   int status;
        !            87: 
        !            88:   if (entry == (DIR *) 0)
        !            89:     return (struct dirent *) 0;
        !            90: 
        !            91:   if (!entry->firsttime)
        !            92:     {
        !            93:       status = FindNextFile (entry->hSearch, &entry->Win32FindData);
        !            94:       if (status == 0)
        !            95:         return (struct dirent *) 0;
        !            96:     }
        !            97: 
        !            98:   entry->firsttime = FALSE;
        !            99:   if (lt_strlcpy (entry->file_info.d_name, entry->Win32FindData.cFileName,
        !           100:        sizeof entry->file_info.d_name) >= sizeof entry->file_info.d_name)
        !           101:     return (struct dirent *) 0;
        !           102:   entry->file_info.d_namlen = strlen (entry->file_info.d_name);
        !           103: 
        !           104:   return &entry->file_info;
        !           105: }
        !           106: 
        !           107: #endif /*defined(__WINDOWS__)*/