mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-04-30 11:50:28 +02:00
132 lines
2.8 KiB
C
132 lines
2.8 KiB
C
/* Copyright (C) 2001, 2006, 2008 Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "libguile/__scm.h"
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#include <windows.h>
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#include <stdio.h>
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#include <string.h>
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#include "win32-dirent.h"
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DIR *
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opendir (const char * name)
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{
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DIR *dir;
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HANDLE hnd;
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char *file;
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WIN32_FIND_DATA find;
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if (!name || !*name)
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return NULL;
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file = malloc (strlen (name) + 3);
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strcpy (file, name);
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if (file[strlen (name) - 1] != '/' && file[strlen (name) - 1] != '\\')
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strcat (file, "/*");
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else
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strcat (file, "*");
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if ((hnd = FindFirstFile (file, &find)) == INVALID_HANDLE_VALUE)
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{
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free (file);
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return NULL;
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}
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dir = malloc (sizeof (DIR));
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dir->mask = file;
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dir->fd = (int) hnd;
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dir->data = malloc (sizeof (WIN32_FIND_DATA));
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dir->allocation = sizeof (WIN32_FIND_DATA);
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dir->size = dir->allocation;
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dir->filepos = 0;
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memcpy (dir->data, &find, sizeof (WIN32_FIND_DATA));
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return dir;
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}
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struct dirent *
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readdir (DIR * dir)
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{
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static struct dirent entry;
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WIN32_FIND_DATA *find;
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entry.d_ino = 0;
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entry.d_type = 0;
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find = (WIN32_FIND_DATA *) dir->data;
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if (dir->filepos)
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{
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if (!FindNextFile ((HANDLE) dir->fd, find))
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return NULL;
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}
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entry.d_off = dir->filepos;
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strncpy (entry.d_name, find->cFileName, sizeof (entry.d_name));
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entry.d_reclen = strlen (find->cFileName);
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dir->filepos++;
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return &entry;
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}
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int
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closedir (DIR * dir)
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{
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HANDLE hnd = (HANDLE) dir->fd;
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free (dir->data);
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free (dir->mask);
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free (dir);
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return FindClose (hnd) ? 0 : -1;
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}
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void
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rewinddir (DIR * dir)
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{
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HANDLE hnd = (HANDLE) dir->fd;
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WIN32_FIND_DATA *find = (WIN32_FIND_DATA *) dir->data;
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FindClose (hnd);
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hnd = FindFirstFile (dir->mask, find);
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dir->fd = (int) hnd;
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dir->filepos = 0;
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}
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void
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seekdir (DIR * dir, off_t offset)
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{
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off_t n;
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rewinddir (dir);
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for (n = 0; n < offset; n++)
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{
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if (FindNextFile ((HANDLE) dir->fd, (WIN32_FIND_DATA *) dir->data))
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dir->filepos++;
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}
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}
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off_t
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telldir (DIR * dir)
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{
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return dir->filepos;
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}
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int
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dirfd (DIR * dir)
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{
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return dir->fd;
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}
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