ref: bee35b5750748cf101a6924543e46ec3f9c783ba
dir: /DoConfig/fltk/src/scandir_win32.c/
/*
* "$Id$"
*
* WIN32 scandir function for the Fast Light Tool Kit (FLTK).
*
* Copyright 1998-2010 by Bill Spitzak and others.
*
* This library is free software. Distribution and use rights are outlined in
* the file "COPYING" which should have been included with this file. If this
* file is missing or damaged, see the license at:
*
* http://www.fltk.org/COPYING.php
*
* 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/fl_utf8.h>
#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_DATAW findw;
HANDLE h;
int nDir = 0, NDir = 0;
struct dirent **dir = 0, *selectDir;
unsigned long ret;
len = (int) strlen(dirname);
findIn = (char *)malloc((size_t)(len+10));
if (!findIn) return -1;
strcpy(findIn, dirname);
/* #if defined(__GNUC__) */
/* #warning FIXME This probably needs to be MORE UTF8 aware now */
/* #endif */
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, "\\*");
}
{ /* Create a block to limit the scope while we find the initial "wide" filename */
/* unsigned short * wbuf = (unsigned short*)malloc(sizeof(short) *(len + 10)); */
/* wbuf[fl_utf2unicode(findIn, strlen(findIn), wbuf)] = 0; */
unsigned short *wbuf = NULL;
unsigned wlen = fl_utf8toUtf16(findIn, (unsigned) strlen(findIn), NULL, 0); /* Pass NULL to query length */
wlen++; /* add a little extra for termination etc. */
wbuf = (unsigned short*)malloc(sizeof(unsigned short)*wlen);
wlen = fl_utf8toUtf16(findIn, (unsigned) strlen(findIn), wbuf, wlen); /* actually convert the filename */
wbuf[wlen] = 0; /* NULL terminate the resultant string */
h = FindFirstFileW(wbuf, &findw); /* get a handle to the first filename in the search */
free(wbuf); /* release the "wide" buffer before the pointer goes out of scope */
}
if (h==INVALID_HANDLE_VALUE) {
free(findIn);
ret = GetLastError();
if (ret != ERROR_NO_MORE_FILES) {
nDir = -1;
}
*namelist = dir;
return nDir;
}
do {
int l = (int) wcslen(findw.cFileName);
int dstlen = l * 5 + 1;
selectDir=(struct dirent*)malloc(sizeof(struct dirent)+dstlen);
/* l = fl_unicode2utf(findw.cFileName, l, selectDir->d_name); */
l = fl_utf8fromwc(selectDir->d_name, dstlen, findw.cFileName, l);
selectDir->d_name[l] = 0;
if (findw.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 (FindNextFileW(h, &findw));
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 "$Id$".
*/