diff options
Diffstat (limited to 'libkdenetwork/libgpgme-copy/gpgme/data-compat.c')
| -rw-r--r-- | libkdenetwork/libgpgme-copy/gpgme/data-compat.c | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/libkdenetwork/libgpgme-copy/gpgme/data-compat.c b/libkdenetwork/libgpgme-copy/gpgme/data-compat.c deleted file mode 100644 index 37cb4ff55..000000000 --- a/libkdenetwork/libgpgme-copy/gpgme/data-compat.c +++ /dev/null @@ -1,209 +0,0 @@ -/* data-compat.c - Compatibility interfaces for data objects. - Copyright (C) 2002, 2003, 2004 g10 Code GmbH - - This file is part of GPGME. - - GPGME is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of - the License, or (at your option) any later version. - - GPGME is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - 02110-1301, USA. */ - -#if HAVE_CONFIG_H -#include <config.h> -#endif - -#include <errno.h> -#include <sys/time.h> -#include <sys/stat.h> -#include <stdlib.h> - -#include "data.h" -#include "util.h" - - -/* Create a new data buffer filled with LENGTH bytes starting from - OFFSET within the file FNAME or stream STREAM (exactly one must be - non-zero). */ -gpgme_error_t -gpgme_data_new_from_filepart (gpgme_data_t *dh, const char *fname, - FILE *stream, off_t offset, size_t length) -{ - gpgme_error_t err; - char *buf = NULL; - int res; - - if (stream && fname) - return gpg_error (GPG_ERR_INV_VALUE); - - if (fname) - stream = fopen (fname, "rb"); - if (!stream) - return gpg_error_from_errno (errno); - -#ifdef HAVE_FSEEKO - res = fseeko (stream, offset, SEEK_SET); -#else - /* FIXME: Check for overflow, or at least bail at compilation. */ - res = fseek (stream, offset, SEEK_SET); -#endif - - if (res) - { - int saved_errno = errno; - if (fname) - fclose (stream); - return gpg_error_from_errno (saved_errno); - } - - buf = malloc (length); - if (!buf) - { - int saved_errno = errno; - if (fname) - fclose (stream); - return gpg_error_from_errno (saved_errno); - } - - while (fread (buf, length, 1, stream) < 1 - && ferror (stream) && errno == EINTR); - if (ferror (stream)) - { - int saved_errno = errno; - if (buf) - free (buf); - if (fname) - fclose (stream); - return gpg_error_from_errno (saved_errno); - } - - if (fname) - fclose (stream); - - err = gpgme_data_new (dh); - if (err) - { - if (buf) - free (buf); - return err; - } - - (*dh)->data.mem.buffer = buf; - (*dh)->data.mem.size = length; - (*dh)->data.mem.length = length; - return 0; -} - - -/* Create a new data buffer filled with the content of file FNAME. - COPY must be non-zero (delayed reads are not supported yet). */ -gpgme_error_t -gpgme_data_new_from_file (gpgme_data_t *dh, const char *fname, int copy) -{ - struct stat statbuf; - - if (!fname || !copy) - return gpg_error (GPG_ERR_INV_VALUE); - - if (stat (fname, &statbuf) < 0) - return gpg_error_from_errno (errno); - - return gpgme_data_new_from_filepart (dh, fname, NULL, 0, statbuf.st_size); -} - - -static int -gpgme_error_to_errno (gpgme_error_t err) -{ - int no = gpg_err_code_to_errno (err); - - if (no) - { - errno = no; - return -1; - } - - switch (gpg_err_code (err)) - { - case GPG_ERR_EOF: - return 0; - case GPG_ERR_INV_VALUE: - errno = EINVAL; - return -1; - case GPG_ERR_NOT_SUPPORTED: - errno = ENOSYS; - return -1; - default: - /* FIXME: Yeah, well. */ - errno = EINVAL; - return -1; - } -} - - -static ssize_t -old_user_read (gpgme_data_t dh, void *buffer, size_t size) -{ - size_t amt; - gpgme_error_t err = (*dh->data.old_user.cb) (dh->data.old_user.handle, - buffer, size, &amt); - if (err) - return gpgme_error_to_errno (err); - return amt; -} - - -static off_t -old_user_seek (gpgme_data_t dh, off_t offset, int whence) -{ - gpgme_error_t err; - if (whence != SEEK_SET || offset) - return EINVAL; - err = (*dh->data.old_user.cb) (dh->data.old_user.handle, NULL, 0, NULL); - if (err) - return gpgme_error_to_errno (err); - return 0; -} - - -static struct _gpgme_data_cbs old_user_cbs = - { - old_user_read, - NULL, - old_user_seek, - NULL - }; - - -/* Create a new data buffer which retrieves the data from the callback - function READ_CB. */ -gpgme_error_t -gpgme_data_new_with_read_cb (gpgme_data_t *dh, - int (*read_cb) (void *, char *, size_t, size_t *), - void *read_cb_value) -{ - gpgme_error_t err = _gpgme_data_new (dh, &old_user_cbs); - if (err) - return err; - - (*dh)->data.old_user.cb = read_cb; - (*dh)->data.old_user.handle = read_cb_value; - return 0; -} - - -gpgme_error_t -gpgme_data_rewind (gpgme_data_t dh) -{ - return (gpgme_data_seek (dh, 0, SEEK_SET) == -1) - ? gpg_error_from_errno (errno) : 0; -} |