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/*
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* Copyright (C) 2001 Dizzy (dizzy@roedu.net)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#define PDIR_INTERNAL_ACCESS
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#include "common/setup_before.h"
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#ifdef HAVE_STDDEF_H
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# include <stddef.h>
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#else
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# ifndef NULL
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# define NULL ((void *)0)
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# endif
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#endif
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#ifdef STDC_HEADERS
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# include <stdlib.h>
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#else
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# ifdef HAVE_MALLOC_H
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# include <malloc.h>
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# endif
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#endif
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#else
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# ifdef HAVE_STRINGS_H
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# include <strings.h>
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# endif
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#endif
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#include "compat/strdup.h"
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#ifdef HAVE_DIRENT_H
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# include <dirent.h>
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#else
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# ifdef HAVE_SYS_NDIR_H
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# include <sys/ndir.h>
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# endif
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# if HAVE_SYS_DIR_H
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# include <sys/dir.h>
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# endif
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# if HAVE_NDIR_H
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# include <ndir.h>
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# endif
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# define dirent direct
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#endif
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#ifdef WIN32
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# include <io.h> /* for _findfirst(), _findnext(), etc */
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#endif
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#include <errno.h>
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#include "compat/strerror.h"
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#include "common/eventlog.h"
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#include "common/xalloc.h"
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#include "pdir.h"
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#include "common/setup_after.h"
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extern t_pdir * p_opendir(const char * path) {
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#ifdef WIN32
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char npath[_MAX_PATH];
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#endif
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t_pdir * pdir;
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if (path==NULL) {
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eventlog(eventlog_level_error,__FUNCTION__,"got NULL path");
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return NULL;
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}
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/* while(path[strlen(path)]=='/') path[strlen(path)]='\0'; */
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/* win32 can use slash in addition to backslash */
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pdir=xmalloc(sizeof(t_pdir));
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#ifdef WIN32
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if (strlen(path)+1+3+1>_MAX_PATH) {
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eventlog(eventlog_level_error,__FUNCTION__,"WIN32: path too long");
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xfree(pdir);
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return NULL;
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}
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strcpy(npath, path);
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strcat(npath, "/*.*");
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pdir->path=xstrdup(npath);
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pdir->status = 0;
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memset(&pdir->fileinfo, 0, sizeof(pdir->fileinfo)); /* no need for compat because WIN32 always has memset() */
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pdir->lFindHandle = _findfirst(npath, &pdir->fileinfo);
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if (pdir->lFindHandle < 0) {
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xfree((void *)pdir->path); /* avoid warning */
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xfree(pdir);
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return NULL;
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}
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#else /* POSIX style */
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pdir->path=xstrdup(path);
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if ((pdir->dir=opendir(path))==NULL) {
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xfree((void *)pdir->path); /* avoid warning */
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xfree(pdir);
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return NULL;
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}
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#endif /* WIN32-POSIX */
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return pdir;
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}
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extern int p_rewinddir(t_pdir * pdir) {
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if (pdir==NULL) {
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eventlog(eventlog_level_error,__FUNCTION__,"got NULL pdir");
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return -1;
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}
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if (pdir->path==NULL) {
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eventlog(eventlog_level_error,__FUNCTION__,"got pdir with NULL path");
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return -1;
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}
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#ifdef WIN32
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/* i dont have any win32 around so i dont know if io.h has any rewinddir equivalent */
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/* FIXME: for the time being ill just close and reopen it */
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if (pdir->status!=-1)
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{
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if (pdir->lFindHandle<0) {
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eventlog(eventlog_level_error,__FUNCTION__,"WIN32: got negative lFindHandle");
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return -1;
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}
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_findclose(pdir->lFindHandle);
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}
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pdir->status = 0;
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memset(&pdir->fileinfo, 0, sizeof(pdir->fileinfo)); /* no need for compat because WIN32 always has memset() */
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pdir->lFindHandle = _findfirst(pdir->path, &pdir->fileinfo);
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if (pdir->lFindHandle < 0) {
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pdir->status = -1;
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return -1;
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}
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#else /* POSIX */
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if (pdir->dir==NULL) {
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eventlog(eventlog_level_error,__FUNCTION__,"POSIX: got pdir with NULL dir");
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return -1;
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}
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rewinddir(pdir->dir);
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#endif
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return 0;
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}
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extern char const * p_readdir(t_pdir * pdir) {
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if (pdir==NULL) {
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eventlog(eventlog_level_error,__FUNCTION__,"got NULL pdir");
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return NULL;
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}
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if (pdir->path==NULL) {
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eventlog(eventlog_level_error,__FUNCTION__,"got pdir with NULL path");
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return NULL;
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}
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#ifdef WIN32
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switch (pdir->status)
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{
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default:
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case -1: /* couldn't rewind */
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eventlog(eventlog_level_error,__FUNCTION__,"got pdir with status -1");
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return NULL;
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case 0: /* freshly opened */
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pdir->status = 1;
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return pdir->fileinfo.name;
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case 1: /* reading */
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if (_findnext(pdir->lFindHandle, &pdir->fileinfo)<0)
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{
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pdir->status = 2;
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return NULL;
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}
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else
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return pdir->fileinfo.name;
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break;
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case 2: /* EOF */
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return NULL;
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}
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#else /* POSIX */
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{
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struct dirent * dentry;
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if (pdir->dir==NULL) {
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eventlog(eventlog_level_error,__FUNCTION__,"POSIX: got pdir with NULL dir");
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return NULL;
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}
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if ((dentry=readdir(pdir->dir))==NULL)
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return NULL;
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return dentry->d_name;
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}
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#endif /* WIN32-POSIX */
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}
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extern int p_closedir(t_pdir * pdir) {
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int ret;
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if (pdir==NULL) {
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eventlog(eventlog_level_error,__FUNCTION__,"got NULL pdir");
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return -1;
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}
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if (pdir->path==NULL) {
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eventlog(eventlog_level_error,__FUNCTION__,"got pdir with NULL path");
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return -1;
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}
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#ifdef WIN32
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if (pdir->status!=-1)
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{
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if (pdir->lFindHandle<0) {
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eventlog(eventlog_level_info,__FUNCTION__,"WIN32: got NULL findhandle");
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return -1;
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}
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_findclose(pdir->lFindHandle); /* FIXME: what does _findclose() return on error? */
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}
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ret = 0;
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#else /* POSIX */
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if (pdir->dir==NULL) {
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eventlog(eventlog_level_info,__FUNCTION__,"POSIX: got NULL dir");
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return -1;
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}
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# ifdef CLOSEDIR_VOID
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closedir(pdir->dir);
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ret = 0;
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# else
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ret = closedir(pdir->dir);
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# endif
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#endif /* WIN32-POSIX */
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xfree((void *)pdir->path); /* avoid warning */
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xfree(pdir);
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return ret;
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}
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