diff options
Diffstat (limited to 'lib/libcrypto/LPdir_unix.c')
-rw-r--r-- | lib/libcrypto/LPdir_unix.c | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/lib/libcrypto/LPdir_unix.c b/lib/libcrypto/LPdir_unix.c deleted file mode 100644 index b004cd99e8a..00000000000 --- a/lib/libcrypto/LPdir_unix.c +++ /dev/null @@ -1,127 +0,0 @@ -/* $LP: LPlib/source/LPdir_unix.c,v 1.11 2004/09/23 22:07:22 _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 <stddef.h> -#include <stdlib.h> -#include <limits.h> -#include <string.h> -#include <sys/types.h> -#include <dirent.h> -#include <errno.h> -#ifndef LPDIR_H -#include "LPdir.h" -#endif - -/* The POSIXly macro for the maximum number of characters in a file path - is NAME_MAX. However, some operating systems use PATH_MAX instead. - Therefore, it seems natural to first check for PATH_MAX and use that, - and if it doesn't exist, use NAME_MAX. */ -#if defined(PATH_MAX) -# define LP_ENTRY_SIZE PATH_MAX -#elif defined(NAME_MAX) -# define LP_ENTRY_SIZE NAME_MAX -#endif - -/* Of course, there's the possibility that neither PATH_MAX nor NAME_MAX - exist. It's also possible that NAME_MAX exists but is define to a - very small value (HP-UX offers 14), so we need to check if we got a - result, and if it meets a minimum standard, and create or change it - if not. */ -#if !defined(LP_ENTRY_SIZE) || LP_ENTRY_SIZE<255 -# undef LP_ENTRY_SIZE -# define LP_ENTRY_SIZE 255 -#endif - -struct LP_dir_context_st -{ - DIR *dir; - char entry_name[LP_ENTRY_SIZE+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)); - - (*ctx)->dir = opendir(directory); - if ((*ctx)->dir == NULL) - { - int save_errno = errno; /* Probably not needed, but I'm paranoid */ - free(*ctx); - *ctx = NULL; - errno = save_errno; - return 0; - } - } - - direntry = readdir((*ctx)->dir); - if (direntry == NULL) - { - return 0; - } - - strncpy((*ctx)->entry_name, direntry->d_name, 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) - { - int ret = closedir((*ctx)->dir); - - free(*ctx); - switch (ret) - { - case 0: - return 1; - case -1: - return 0; - default: - break; - } - } - errno = EINVAL; - return 0; -} |