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author | JP Rosevear <jpr@src.gnome.org> | 2005-01-11 08:00:07 +0800 |
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committer | JP Rosevear <jpr@src.gnome.org> | 2005-01-11 08:00:07 +0800 |
commit | fba011bf008443ee5130f1426aa65e11245cd84a (patch) | |
tree | 91793af1cfb21ec9bfea5579abb65ea6f73223b2 /camel/camel-stream-fs.c | |
parent | c60c4bf7c4590b850d589d79ac44d057323a429f (diff) | |
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Kill dead files
svn path=/trunk/; revision=28342
Diffstat (limited to 'camel/camel-stream-fs.c')
-rw-r--r-- | camel/camel-stream-fs.c | 303 |
1 files changed, 0 insertions, 303 deletions
diff --git a/camel/camel-stream-fs.c b/camel/camel-stream-fs.c deleted file mode 100644 index 4c8422cf97..0000000000 --- a/camel/camel-stream-fs.c +++ /dev/null @@ -1,303 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* camel-stream-fs.c : file system based stream */ - -/* - * Authors: Bertrand Guiheneuf <bertrand@helixcode.com> - * Michael Zucchi <notzed@ximian.com> - * - * Copyright 1999-2003 Ximian, Inc. (www.ximian.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <unistd.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <errno.h> -#include <string.h> - -#include "camel-file-utils.h" -#include "camel-operation.h" -#include "camel-stream-fs.h" - -static CamelSeekableStreamClass *parent_class = NULL; - -/* Returns the class for a CamelStreamFS */ -#define CSFS_CLASS(so) CAMEL_STREAM_FS_CLASS (CAMEL_OBJECT_GET_CLASS(so)) - -static ssize_t stream_read (CamelStream *stream, char *buffer, size_t n); -static ssize_t stream_write (CamelStream *stream, const char *buffer, size_t n); -static int stream_flush (CamelStream *stream); -static int stream_close (CamelStream *stream); -static off_t stream_seek (CamelSeekableStream *stream, off_t offset, - CamelStreamSeekPolicy policy); - -static void -camel_stream_fs_class_init (CamelStreamFsClass *camel_stream_fs_class) -{ - CamelSeekableStreamClass *camel_seekable_stream_class = - CAMEL_SEEKABLE_STREAM_CLASS (camel_stream_fs_class); - CamelStreamClass *camel_stream_class = - CAMEL_STREAM_CLASS (camel_stream_fs_class); - - parent_class = CAMEL_SEEKABLE_STREAM_CLASS (camel_type_get_global_classfuncs (camel_seekable_stream_get_type ())); - - /* virtual method overload */ - camel_stream_class->read = stream_read; - camel_stream_class->write = stream_write; - camel_stream_class->flush = stream_flush; - camel_stream_class->close = stream_close; - - camel_seekable_stream_class->seek = stream_seek; -} - -static void -camel_stream_fs_init (gpointer object, gpointer klass) -{ - CamelStreamFs *stream = CAMEL_STREAM_FS (object); - - stream->fd = -1; - ((CamelSeekableStream *)stream)->bound_end = CAMEL_STREAM_UNBOUND; -} - -static void -camel_stream_fs_finalize (CamelObject *object) -{ - CamelStreamFs *stream_fs = CAMEL_STREAM_FS (object); - - if (stream_fs->fd != -1) - close (stream_fs->fd); -} - - -CamelType -camel_stream_fs_get_type (void) -{ - static CamelType camel_stream_fs_type = CAMEL_INVALID_TYPE; - - if (camel_stream_fs_type == CAMEL_INVALID_TYPE) { - camel_stream_fs_type = camel_type_register (camel_seekable_stream_get_type (), "CamelStreamFs", - sizeof (CamelStreamFs), - sizeof (CamelStreamFsClass), - (CamelObjectClassInitFunc) camel_stream_fs_class_init, - NULL, - (CamelObjectInitFunc) camel_stream_fs_init, - (CamelObjectFinalizeFunc) camel_stream_fs_finalize); - } - - return camel_stream_fs_type; -} - -/** - * camel_stream_fs_new_with_fd: - * @fd: a file descriptor - * - * Creates a new fs stream using the given file descriptor @fd as the - * backing store. When the stream is destroyed, the file descriptor - * will be closed. - * - * Returns a new fs stream. - **/ -CamelStream * -camel_stream_fs_new_with_fd (int fd) -{ - CamelStreamFs *stream_fs; - off_t offset; - - if (fd == -1) - return NULL; - - stream_fs = CAMEL_STREAM_FS (camel_object_new (camel_stream_fs_get_type ())); - stream_fs->fd = fd; - offset = lseek (fd, 0, SEEK_CUR); - if (offset == -1) - offset = 0; - CAMEL_SEEKABLE_STREAM (stream_fs)->position = offset; - - return CAMEL_STREAM (stream_fs); -} - -/** - * camel_stream_fs_new_with_fd_and_bounds: - * @fd: a file descriptor - * @start: the first valid position in the file - * @end: the first invalid position in the file, or CAMEL_STREAM_UNBOUND - * - * Returns a stream associated with the given file descriptor and bounds. - * When the stream is destroyed, the file descriptor will be closed. - * - * Return value: the stream - **/ -CamelStream * -camel_stream_fs_new_with_fd_and_bounds (int fd, off_t start, off_t end) -{ - CamelStream *stream; - - stream = camel_stream_fs_new_with_fd (fd); - camel_seekable_stream_set_bounds (CAMEL_SEEKABLE_STREAM (stream), start, end); - - return stream; -} - -/** - * camel_stream_fs_new_with_name: - * @name: a local filename - * @flags: flags as in open(2) - * @mode: a file mode - * - * Creates a new CamelStream corresponding to the named file, flags, - * and mode. - * - * Return value: the stream, or #NULL on error. - **/ -CamelStream * -camel_stream_fs_new_with_name (const char *name, int flags, mode_t mode) -{ - int fd; - - fd = open (name, flags, mode); - if (fd == -1) { - return NULL; - } - - return camel_stream_fs_new_with_fd (fd); -} - -/** - * camel_stream_fs_new_with_name_and_bounds: - * @name: a local filename - * @flags: flags as in open(2) - * @mode: a file mode - * @start: the first valid position in the file - * @end: the first invalid position in the file, or CAMEL_STREAM_UNBOUND - * - * Creates a new CamelStream corresponding to the given arguments. - * - * Return value: the stream, or NULL on error. - **/ -CamelStream * -camel_stream_fs_new_with_name_and_bounds (const char *name, int flags, - mode_t mode, off_t start, off_t end) -{ - CamelStream *stream; - - stream = camel_stream_fs_new_with_name (name, flags, mode); - if (stream == NULL) - return NULL; - - camel_seekable_stream_set_bounds (CAMEL_SEEKABLE_STREAM (stream), - start, end); - - return stream; -} - - -static ssize_t -stream_read (CamelStream *stream, char *buffer, size_t n) -{ - CamelStreamFs *stream_fs = CAMEL_STREAM_FS (stream); - CamelSeekableStream *seekable = CAMEL_SEEKABLE_STREAM (stream); - ssize_t nread; - - if (seekable->bound_end != CAMEL_STREAM_UNBOUND) - n = MIN (seekable->bound_end - seekable->position, n); - - if ((nread = camel_read (stream_fs->fd, buffer, n)) > 0) - seekable->position += nread; - else if (nread == 0) - stream->eos = TRUE; - - return nread; -} - -static ssize_t -stream_write (CamelStream *stream, const char *buffer, size_t n) -{ - CamelStreamFs *stream_fs = CAMEL_STREAM_FS (stream); - CamelSeekableStream *seekable = CAMEL_SEEKABLE_STREAM (stream); - ssize_t nwritten; - - if (seekable->bound_end != CAMEL_STREAM_UNBOUND) - n = MIN (seekable->bound_end - seekable->position, n); - - if ((nwritten = camel_write (stream_fs->fd, buffer, n)) > 0) - seekable->position += nwritten; - - return nwritten; -} - -static int -stream_flush (CamelStream *stream) -{ - return fsync(((CamelStreamFs *)stream)->fd); -} - -static int -stream_close (CamelStream *stream) -{ - if (close (((CamelStreamFs *)stream)->fd) == -1) - return -1; - - ((CamelStreamFs *)stream)->fd = -1; - return 0; -} - -static off_t -stream_seek (CamelSeekableStream *stream, off_t offset, CamelStreamSeekPolicy policy) -{ - CamelStreamFs *stream_fs = CAMEL_STREAM_FS (stream); - off_t real = 0; - - switch (policy) { - case CAMEL_STREAM_SET: - real = offset; - break; - case CAMEL_STREAM_CUR: - real = stream->position + offset; - break; - case CAMEL_STREAM_END: - if (stream->bound_end == CAMEL_STREAM_UNBOUND) { - real = lseek(stream_fs->fd, offset, SEEK_END); - if (real != -1) { - if (real<stream->bound_start) - real = stream->bound_start; - stream->position = real; - } - return real; - } - real = stream->bound_end + offset; - break; - } - - if (stream->bound_end != CAMEL_STREAM_UNBOUND) - real = MIN (real, stream->bound_end); - real = MAX (real, stream->bound_start); - - real = lseek(stream_fs->fd, real, SEEK_SET); - if (real == -1) - return -1; - - if (real != stream->position && ((CamelStream *)stream)->eos) - ((CamelStream *)stream)->eos = FALSE; - - stream->position = real; - - return real; -} |