-/* $LP: LPlib/source/LPdir_win.c,v 1.6 2004/07/21 21:16:23 _cvs_levitte Exp $ */
/*
+ * Copyright 2004-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+/*
+ * This file is dual-licensed and is also available under the following
+ * terms:
+ *
* Copyright (c) 2004, Richard Levitte <richard@levitte.org>
* All rights reserved.
*
* 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 REGENTS 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 REGENTS 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.
+ * 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 <windows.h>
#include <tchar.h>
+#include "internal/numbers.h"
#ifndef LPDIR_H
-#include "LPdir.h"
+# include "LPdir.h"
#endif
-/* We're most likely overcautious here, but let's reserve for
- broken WinCE headers and explicitly opt for UNICODE call.
- Keep in mind that our WinCE builds are compiled with -DUNICODE
- [as well as -D_UNICODE]. */
+/*
+ * We're most likely overcautious here, but let's reserve for broken WinCE
+ * headers and explicitly opt for UNICODE call. Keep in mind that our WinCE
+ * builds are compiled with -DUNICODE [as well as -D_UNICODE].
+ */
#if defined(LP_SYS_WINCE) && !defined(FindFirstFile)
# define FindFirstFile FindFirstFileW
#endif
-#if defined(LP_SYS_WINCE) && !defined(FindFirstFile)
+#if defined(LP_SYS_WINCE) && !defined(FindNextFile)
# define FindNextFile FindNextFileW
#endif
-struct LP_dir_context_st
-{
- WIN32_FIND_DATA ctx;
- HANDLE handle;
- char entry_name[NAME_MAX+1];
+#ifndef NAME_MAX
+# define NAME_MAX 255
+#endif
+
+#ifdef CP_UTF8
+# define CP_DEFAULT CP_UTF8
+#else
+# define CP_DEFAULT CP_ACP
+#endif
+
+struct LP_dir_context_st {
+ WIN32_FIND_DATA ctx;
+ HANDLE handle;
+ char entry_name[NAME_MAX + 1];
};
const char *LP_find_file(LP_DIR_CTX **ctx, const char *directory)
{
- struct dirent *direntry = NULL;
-
- if (ctx == NULL || directory == NULL)
- {
- errno = EINVAL;
- return 0;
+ if (ctx == NULL || directory == NULL) {
+ errno = EINVAL;
+ return 0;
}
- errno = 0;
- if (*ctx == NULL)
- {
- *ctx = (LP_DIR_CTX *)malloc(sizeof(LP_DIR_CTX));
- if (*ctx == NULL)
- {
- errno = ENOMEM;
- return 0;
- }
- memset(*ctx, '\0', sizeof(LP_DIR_CTX));
-
- if (sizeof(TCHAR) != sizeof(char))
- {
- TCHAR *wdir = NULL;
- size_t index = 0,len = strlen(direcory);
-
- wdir = (TCHAR *)malloc((len + 1) * sizeof(TCHAR));
- if (wdir == NULL)
- {
- free(*ctx);
- *ctx = NULL;
- errno = ENOMEM;
- return 0;
- }
-
+ errno = 0;
+ if (*ctx == NULL) {
+ size_t dirlen = strlen(directory);
+
+ if (dirlen == 0 || dirlen > INT_MAX - 3) {
+ errno = ENOENT;
+ return 0;
+ }
+
+ *ctx = malloc(sizeof(**ctx));
+ if (*ctx == NULL) {
+ errno = ENOMEM;
+ return 0;
+ }
+ memset(*ctx, 0, sizeof(**ctx));
+
+ if (sizeof(TCHAR) != sizeof(char)) {
+ TCHAR *wdir = NULL;
+ /* len_0 denotes string length *with* trailing 0 */
+ size_t index = 0, len_0 = dirlen + 1;
#ifdef LP_MULTIBYTE_AVAILABLE
- if (!MultiByteToWideChar(CP_ACP, 0, directory, len, wdir, len + 1))
+ int sz = 0;
+ UINT cp;
+
+ do {
+# ifdef CP_UTF8
+ if ((sz = MultiByteToWideChar((cp = CP_UTF8), 0,
+ directory, len_0,
+ NULL, 0)) > 0 ||
+ GetLastError() != ERROR_NO_UNICODE_TRANSLATION)
+ break;
+# endif
+ sz = MultiByteToWideChar((cp = CP_ACP), 0,
+ directory, len_0,
+ NULL, 0);
+ } while (0);
+
+ if (sz > 0) {
+ /*
+ * allocate two additional characters in case we need to
+ * concatenate asterisk, |sz| covers trailing '\0'!
+ */
+ wdir = _alloca((sz + 2) * sizeof(TCHAR));
+ if (!MultiByteToWideChar(cp, 0, directory, len_0,
+ (WCHAR *)wdir, sz)) {
+ free(*ctx);
+ *ctx = NULL;
+ errno = EINVAL;
+ return 0;
+ }
+ } else
#endif
- for (index = 0; index < strlen(directory) + 1; index++)
- wdir[index] = (TCHAR)directory[index];
-
- (*ctx)->handle = FindFirstFile(wdir, &(*ctx)->ctx);
-
- free(wdir);
- }
- else
- (*ctx)->handle = FindFirstFile(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;
- }
+ {
+ sz = len_0;
+ /*
+ * allocate two additional characters in case we need to
+ * concatenate asterisk, |sz| covers trailing '\0'!
+ */
+ wdir = _alloca((sz + 2) * sizeof(TCHAR));
+ for (index = 0; index < len_0; index++)
+ wdir[index] = (TCHAR)directory[index];
+ }
+
+ sz--; /* wdir[sz] is trailing '\0' now */
+ if (wdir[sz - 1] != TEXT('*')) {
+ if (wdir[sz - 1] != TEXT('/') && wdir[sz - 1] != TEXT('\\'))
+ _tcscpy(wdir + sz, TEXT("/*"));
+ else
+ _tcscpy(wdir + sz, TEXT("*"));
+ }
+
+ (*ctx)->handle = FindFirstFile(wdir, &(*ctx)->ctx);
+ } else {
+ if (directory[dirlen - 1] != '*') {
+ char *buf = _alloca(dirlen + 3);
+
+ strcpy(buf, directory);
+ if (buf[dirlen - 1] != '/' && buf[dirlen - 1] != '\\')
+ strcpy(buf + dirlen, "/*");
+ else
+ strcpy(buf + dirlen, "*");
+
+ directory = buf;
+ }
+
+ (*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;
- if (sizeof(TCHAR) != sizeof(char))
- {
- TCHAR *wdir = (*ctx)->ctx.cFileName;
- size_t index, len;
-
- for (len = 0; wdir[len] && len < (sizeof((*ctx)->entry_name) - 1);)
- len++;
+ while (wdir[len_0] && len_0 < (sizeof((*ctx)->entry_name) - 1))
+ len_0++;
+ len_0++;
#ifdef LP_MULTIBYTE_AVAILABLE
- if (!WideCharToMultiByte(CP_ACP, 0, wdir, len, (*ctx)->entry_name,
- sizeof((*ctx)->entry_name) - 1, NULL, 0))
+ if (!WideCharToMultiByte(CP_DEFAULT, 0, (WCHAR *)wdir, len_0,
+ (*ctx)->entry_name,
+ sizeof((*ctx)->entry_name), NULL, 0))
#endif
- for (index = 0; index < len; index++)
- (*ctx)->entry_name[index] = (char)wdir[index];
- }
- else
- strncpy((*ctx)->entry_name, (*ctx)->ctx.cFileName,
- sizeof((*ctx)->entry_name)-1);
+ 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';
+ (*ctx)->entry_name[sizeof((*ctx)->entry_name) - 1] = '\0';
- return (*ctx)->entry_name;
+ return (*ctx)->entry_name;
}
int LP_find_file_end(LP_DIR_CTX **ctx)
{
- if (ctx != NULL && *ctx != NULL)
- {
- FindClose((*ctx)->handle);
- free(*ctx);
- *ctx = NULL;
- return 1;
+ if (ctx != NULL && *ctx != NULL) {
+ FindClose((*ctx)->handle);
+ free(*ctx);
+ *ctx = NULL;
+ return 1;
}
- errno = EINVAL;
- return 0;
+ errno = EINVAL;
+ return 0;
}
projects / openssl.git / blobdiff