diff options
Diffstat (limited to 'openssl/crypto/LPdir_win.c')
| -rw-r--r-- | openssl/crypto/LPdir_win.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/openssl/crypto/LPdir_win.c b/openssl/crypto/LPdir_win.c new file mode 100644 index 000000000..09b475bee --- /dev/null +++ b/openssl/crypto/LPdir_win.c @@ -0,0 +1,155 @@ +/* $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 <windows.h> +#include <tchar.h> +#ifndef 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]. */ +#if defined(LP_SYS_WINCE) && !defined(FindFirstFile) +# define FindFirstFile FindFirstFileW +#endif +#if defined(LP_SYS_WINCE) && !defined(FindFirstFile) +# define FindNextFile FindNextFileW +#endif + +#ifndef NAME_MAX +#define NAME_MAX 255 +#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; + } + + 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; + /* 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; + } + +#ifdef LP_MULTIBYTE_AVAILABLE + if (!MultiByteToWideChar(CP_ACP, 0, directory, len_0, (WCHAR *)wdir, len_0)) +#endif + 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++; + +#ifdef LP_MULTIBYTE_AVAILABLE + if (!WideCharToMultiByte(CP_ACP, 0, (WCHAR *)wdir, len_0, (*ctx)->entry_name, + sizeof((*ctx)->entry_name), NULL, 0)) +#endif + 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 LP_find_file_end(LP_DIR_CTX **ctx) +{ + if (ctx != NULL && *ctx != NULL) + { + FindClose((*ctx)->handle); + free(*ctx); + *ctx = NULL; + return 1; + } + errno = EINVAL; + return 0; +} |