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/*
* "$Id: scandir_win32.c 4548 2005-08-29 20:16:36Z matt $"
*
* WIN32 scandir function for the Fast Light Tool Kit (FLTK).
*
* Copyright 1998-2005 by Bill Spitzak and others.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*
* Please report all bugs and problems on the following page:
*
* http://www.fltk.org/str.php
*/
#ifndef __CYGWIN__
/* Emulation of posix scandir() call */
#include <FL/filename.H>
#include "flstring.h"
#include <windows.h>
#include <stdlib.h>
int fl_scandir(const char *dirname, struct dirent ***namelist,
int (*select)(struct dirent *),
int (*compar)(struct dirent **, struct dirent **)) {
int len;
char *findIn, *d, is_dir = 0;
WIN32_FIND_DATA find;
HANDLE h;
int nDir = 0, NDir = 0;
struct dirent **dir = 0, *selectDir;
unsigned long ret;
len = strlen(dirname);
findIn = (char *)malloc((size_t)(len+5));
if (!findIn) return -1;
strcpy(findIn, dirname);
for (d = findIn; *d; d++) if (*d=='/') *d='\\';
if ((len==0)) { strcpy(findIn, ".\\*"); }
if ((len==2)&&findIn[1]==':'&&isalpha(findIn[0])) { *d++ = '\\'; *d = 0; }
if ((len==1)&& (d[-1]=='.')) { strcpy(findIn, ".\\*"); is_dir = 1; }
if ((len>0) && (d[-1]=='\\')) { *d++ = '*'; *d = 0; is_dir = 1; }
if ((len>1) && (d[-1]=='.') && (d[-2]=='\\')) { d[-1] = '*'; is_dir = 1; }
if (!is_dir) { /* this file may still be a directory that we need to list */
DWORD attr = GetFileAttributes(findIn);
if (attr&FILE_ATTRIBUTE_DIRECTORY)
strcpy(d, "\\*");
}
if ((h=FindFirstFile(findIn, &find))==INVALID_HANDLE_VALUE) {
free(findIn);
ret = GetLastError();
if (ret != ERROR_NO_MORE_FILES) {
nDir = -1;
}
*namelist = dir;
return nDir;
}
do {
selectDir=(struct dirent*)malloc(sizeof(struct dirent)+strlen(find.cFileName)+2);
strcpy(selectDir->d_name, find.cFileName);
if (find.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
/* Append a trailing slash to directory names... */
strcat(selectDir->d_name, "/");
}
if (!select || (*select)(selectDir)) {
if (nDir==NDir) {
struct dirent **tempDir = (struct dirent **)calloc(sizeof(struct dirent*), (size_t)(NDir+33));
if (NDir) memcpy(tempDir, dir, sizeof(struct dirent*)*NDir);
if (dir) free(dir);
dir = tempDir;
NDir += 32;
}
dir[nDir] = selectDir;
nDir++;
dir[nDir] = 0;
} else {
free(selectDir);
}
} while (FindNextFile(h, &find));
ret = GetLastError();
if (ret != ERROR_NO_MORE_FILES) {
/* don't return an error code, because the dir list may still be valid
up to this point */
}
FindClose(h);
free (findIn);
if (compar) qsort(dir, (size_t)nDir, sizeof(*dir),
(int(*)(const void*, const void*))compar);
*namelist = dir;
return nDir;
}
#endif
/*
* End of "$Id: scandir_win32.c 4548 2005-08-29 20:16:36Z matt $".
*/
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