diff options
Diffstat (limited to 'third_party/boringssl/src/crypto/directory_posix.c')
-rw-r--r-- | third_party/boringssl/src/crypto/directory_posix.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/third_party/boringssl/src/crypto/directory_posix.c b/third_party/boringssl/src/crypto/directory_posix.c new file mode 100644 index 0000000000..b944b69203 --- /dev/null +++ b/third_party/boringssl/src/crypto/directory_posix.c @@ -0,0 +1,108 @@ +/* $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. */ + +#if !defined(_POSIX_C_SOURCE) +#define _POSIX_C_SOURCE 201409 /* for readdir_r */ +#endif + +#include "directory.h" + + +#if !defined(OPENSSL_WINDOWS) + +#include <dirent.h> +#include <errno.h> +#include <stdlib.h> +#include <string.h> + +#if defined(OPENSSL_PNACL) +/* pnacl doesn't include readdir_r! So we do the best we can. */ +int readdir_r(DIR *dirp, struct dirent *entry, struct dirent **result) { + errno = 0; + *result = readdir(dirp); + if (*result != NULL) { + return 0; + } + if (errno) { + return 1; + } + return 0; +} +#endif + +struct OPENSSL_dir_context_st { + DIR *dir; + struct dirent dirent; +}; + +const char *OPENSSL_DIR_read(OPENSSL_DIR_CTX **ctx, const char *directory) { + struct dirent *dirent; + + if (ctx == NULL || directory == NULL) { + errno = EINVAL; + return NULL; + } + + 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)); + + (*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; + } + } + + if (readdir_r((*ctx)->dir, &(*ctx)->dirent, &dirent) != 0 || + dirent == NULL) { + return 0; + } + + return (*ctx)->dirent.d_name; +} + +int OPENSSL_DIR_end(OPENSSL_DIR_CTX **ctx) { + if (ctx != NULL && *ctx != NULL) { + int r = closedir((*ctx)->dir); + free(*ctx); + *ctx = NULL; + return r == 0; + } + + errno = EINVAL; + return 0; +} + +#endif /* !OPENSSL_WINDOWS */ |