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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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