vcpkg/ports/libconfig/scandir.c

113 lines
3.1 KiB
C

// "$Id: scandir.c 1339 2006-04-03 22:47:29Z spitzak $"
//
// Copyright 1998-2006 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 to "fltk-bugs@fltk.org".
// Emulation of posix scandir() call
// This source file is #include'd by scandir.c
// THIS IS A C FILE! DO NOT CHANGE TO C++!!!
// See @http://www.fltk.org/strfiles/1779/scandir.c
#include <string.h>
#include <windows.h>
#include <stdlib.h>
#include <io.h>
#include <dirent.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef FILENAME_MAX
#define FILENAME_MAX 2048
#endif
/**
* The scandir() function reads the directory dirname and builds an array of
* pointers to directory entries. It returns the number of entries in the array.
* A pointer to the array of directory entries is stored in the location
* referenced by namelist.
*/
int libconfig_scandir(const char *dirname, struct dirent ***namelist,
int (*select)(struct dirent *),
int (*compar)(struct dirent **, struct dirent **)) {
char *d;
WIN32_FIND_DATA find;
HANDLE h;
int nDir = 0, NDir = 0;
struct dirent **dir = 0, *selectDir;
unsigned long ret;
char findIn[MAX_PATH*4];
//utf8tomb(dirname, strlen(dirname), findIn, _MAX_PATH);
strcpy(findIn, dirname);
d = findIn+strlen(findIn);
if (d==findIn) *d++ = '.';
if (*(d-1)!='/' && *(d-1)!='\\') *d++ = '/';
*d++ = '*';
*d++ = 0;
if ((h=FindFirstFile(findIn, &find))==INVALID_HANDLE_VALUE) {
ret = GetLastError();
if (ret != ERROR_NO_MORE_FILES) {
// TODO: return some error code
}
*namelist = dir;
return nDir;
}
do {
selectDir=(struct dirent*)malloc(sizeof(struct dirent));
strcpy(selectDir->d_name, find.cFileName);
if (!select || (*select)(selectDir)) {
if (nDir==NDir) {
struct dirent **tempDir = (struct dirent **)calloc(sizeof(struct dirent*), 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) {
// TODO: return some error code
}
FindClose(h);
if (compar) qsort (dir, nDir, sizeof(*dir),
(int(*)(const void*, const void*))compar);
*namelist = dir;
return nDir;
}
#ifdef __cplusplus
}
#endif
//
// End of "$Id: scandir.c 1339 2006-04-03 22:47:29Z spitzak $".
//