diff options
Diffstat (limited to '')
-rw-r--r-- | src/input/file_input_plugin.c | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/src/input/file_input_plugin.c b/src/input/file_input_plugin.c deleted file mode 100644 index 5ee3f200b..000000000 --- a/src/input/file_input_plugin.c +++ /dev/null @@ -1,160 +0,0 @@ -/* - * Copyright (C) 2003-2011 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" /* must be first for large file support */ -#include "input/file_input_plugin.h" -#include "input_internal.h" -#include "input_plugin.h" -#include "fd_util.h" -#include "open.h" - -#include <sys/stat.h> -#include <unistd.h> -#include <errno.h> -#include <string.h> -#include <glib.h> - -#undef G_LOG_DOMAIN -#define G_LOG_DOMAIN "input_file" - -struct file_input_stream { - struct input_stream base; - - int fd; -}; - -static inline GQuark -file_quark(void) -{ - return g_quark_from_static_string("file"); -} - -static struct input_stream * -input_file_open(const char *filename, - GMutex *mutex, GCond *cond, - GError **error_r) -{ - int fd, ret; - struct stat st; - struct file_input_stream *fis; - - if (!g_path_is_absolute(filename)) - return NULL; - - fd = open_cloexec(filename, O_RDONLY|O_BINARY, 0); - if (fd < 0) { - if (errno != ENOENT && errno != ENOTDIR) - g_set_error(error_r, file_quark(), errno, - "Failed to open \"%s\": %s", - filename, g_strerror(errno)); - return NULL; - } - - ret = fstat(fd, &st); - if (ret < 0) { - g_set_error(error_r, file_quark(), errno, - "Failed to stat \"%s\": %s", - filename, g_strerror(errno)); - close(fd); - return NULL; - } - - if (!S_ISREG(st.st_mode)) { - g_set_error(error_r, file_quark(), 0, - "Not a regular file: %s", filename); - close(fd); - return NULL; - } - -#ifdef POSIX_FADV_SEQUENTIAL - posix_fadvise(fd, (off_t)0, st.st_size, POSIX_FADV_SEQUENTIAL); -#endif - - fis = g_new(struct file_input_stream, 1); - input_stream_init(&fis->base, &input_plugin_file, filename, - mutex, cond); - - fis->base.size = st.st_size; - fis->base.seekable = true; - fis->base.ready = true; - - fis->fd = fd; - - return &fis->base; -} - -static bool -input_file_seek(struct input_stream *is, goffset offset, int whence, - GError **error_r) -{ - struct file_input_stream *fis = (struct file_input_stream *)is; - - offset = (goffset)lseek(fis->fd, (off_t)offset, whence); - if (offset < 0) { - g_set_error(error_r, file_quark(), errno, - "Failed to seek: %s", g_strerror(errno)); - return false; - } - - is->offset = offset; - return true; -} - -static size_t -input_file_read(struct input_stream *is, void *ptr, size_t size, - GError **error_r) -{ - struct file_input_stream *fis = (struct file_input_stream *)is; - ssize_t nbytes; - - nbytes = read(fis->fd, ptr, size); - if (nbytes < 0) { - g_set_error(error_r, file_quark(), errno, - "Failed to read: %s", g_strerror(errno)); - return 0; - } - - is->offset += nbytes; - return (size_t)nbytes; -} - -static void -input_file_close(struct input_stream *is) -{ - struct file_input_stream *fis = (struct file_input_stream *)is; - - close(fis->fd); - input_stream_deinit(&fis->base); - g_free(fis); -} - -static bool -input_file_eof(struct input_stream *is) -{ - return is->offset >= is->size; -} - -const struct input_plugin input_plugin_file = { - .name = "file", - .open = input_file_open, - .close = input_file_close, - .read = input_file_read, - .eof = input_file_eof, - .seek = input_file_seek, -}; |