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/* $LP: LPlib/source/LPdir_win.c,v 1.10 2004/08/26 13:36:05 _cvs_levitte Exp $ */
/*
* Copyright (c) 2004, Richard Levitte <richard@levitte.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "directory.h"
#if defined(OPENSSL_WINDOWS)
#pragma warning(push, 3)
#include <windows.h>
#pragma warning(pop)
#include <errno.h>
#include <string.h>
#include <tchar.h>
#ifndef NAME_MAX
#define NAME_MAX 255
#endif
#include <openssl/mem.h>
struct OPENSSL_dir_context_st {
WIN32_FIND_DATA ctx;
HANDLE handle;
char entry_name[NAME_MAX + 1];
};
const char *OPENSSL_DIR_read(OPENSSL_DIR_CTX **ctx, const char *directory) {
if (ctx == NULL || directory == NULL) {
errno = EINVAL;
return 0;
}
errno = 0;
if (*ctx == NULL) {
*ctx = malloc(sizeof(OPENSSL_DIR_CTX));
if (*ctx == NULL) {
errno = ENOMEM;
return 0;
}
memset(*ctx, 0, sizeof(OPENSSL_DIR_CTX));
if (sizeof(TCHAR) != sizeof(char)) {
TCHAR *wdir = NULL;
/* len_0 denotes string length *with* trailing 0 */
size_t index = 0, len_0 = strlen(directory) + 1;
wdir = (TCHAR *)malloc(len_0 * sizeof(TCHAR));
if (wdir == NULL) {
free(*ctx);
*ctx = NULL;
errno = ENOMEM;
return 0;
}
if (!MultiByteToWideChar(CP_ACP, 0, directory, len_0, (WCHAR *)wdir,
len_0)) {
for (index = 0; index < len_0; index++) {
wdir[index] = (TCHAR)directory[index];
}
}
(*ctx)->handle = FindFirstFile(wdir, &(*ctx)->ctx);
free(wdir);
} else {
(*ctx)->handle = FindFirstFile((TCHAR *)directory, &(*ctx)->ctx);
}
if ((*ctx)->handle == INVALID_HANDLE_VALUE) {
free(*ctx);
*ctx = NULL;
errno = EINVAL;
return 0;
}
} else {
if (FindNextFile((*ctx)->handle, &(*ctx)->ctx) == FALSE) {
return 0;
}
}
if (sizeof(TCHAR) != sizeof(char)) {
TCHAR *wdir = (*ctx)->ctx.cFileName;
size_t index, len_0 = 0;
while (wdir[len_0] && len_0 < (sizeof((*ctx)->entry_name) - 1)) {
len_0++;
}
len_0++;
if (!WideCharToMultiByte(CP_ACP, 0, (WCHAR *)wdir, len_0,
(*ctx)->entry_name, sizeof((*ctx)->entry_name),
NULL, 0)) {
for (index = 0; index < len_0; index++) {
(*ctx)->entry_name[index] = (char)wdir[index];
}
}
} else {
strncpy((*ctx)->entry_name, (const char *)(*ctx)->ctx.cFileName,
sizeof((*ctx)->entry_name) - 1);
}
(*ctx)->entry_name[sizeof((*ctx)->entry_name) - 1] = '\0';
return (*ctx)->entry_name;
}
int OPENSSL_DIR_end(OPENSSL_DIR_CTX **ctx) {
if (ctx != NULL && *ctx != NULL) {
FindClose((*ctx)->handle);
free(*ctx);
*ctx = NULL;
return 1;
}
errno = EINVAL;
return 0;
}
#endif /* OPENSSL_WINDOWS */
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