diff options
Diffstat (limited to 'mixlib/mix_device.c')
| -rw-r--r-- | mixlib/mix_device.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/mixlib/mix_device.c b/mixlib/mix_device.c new file mode 100644 index 0000000..13e7150 --- /dev/null +++ b/mixlib/mix_device.c @@ -0,0 +1,163 @@ +/* -*-c-*- -------------- mix_device.c : + * Implementation of the functions declared in mix_device.h + * ------------------------------------------------------------------ + * Copyright (C) 2000, 2001 Free Software Foundation, Inc. + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + + +#include "mix_file.h" +#include "xmix_device.h" + +mix_device_t * +mix_device_new (mix_device_type_t type) +{ + mix_device_t *result = NULL; + g_return_val_if_fail (type < mix_dev_INVALID, NULL); + result = g_new (mix_device_t, 1); + result->type = type; + if (type != mix_dev_CONSOLE) { + result->file = MIX_IOCHANNEL(mix_file_new_with_def_ext (DEF_NAMES_[type], + FMODES_[type], + DEV_EXT_)); + } else + result->file = mix_io_new (stdout); + result->vtable = DEF_DEV_VTABLE_; + return result; +} + + + +mix_device_t * +mix_device_new_with_name (mix_device_type_t type, const gchar *name) +{ + mix_device_t *result = NULL; + g_return_val_if_fail (name != NULL, NULL); + g_return_val_if_fail (type < mix_dev_INVALID, NULL); + result = g_new (mix_device_t, 1); + result->type = type; + if (type != mix_dev_CONSOLE) + { + result->file = MIX_IOCHANNEL(mix_file_new_with_def_ext (name, + FMODES_[type], + DEV_EXT_)); + } + else + { + result->file = mix_io_new (stdout); + } + result->vtable = DEF_DEV_VTABLE_; + return result; +} + +/* + Create a new device with a given type and stream +*/ +mix_device_t * +mix_device_new_with_file (mix_device_type_t type, FILE *file) +{ + mix_device_t *result = NULL; + g_return_val_if_fail (file != NULL, NULL); + g_return_val_if_fail (type < mix_dev_INVALID, NULL); + result = g_new (mix_device_t, 1); + result->type = type; + result->file = mix_io_new (file); + result->vtable = DEF_DEV_VTABLE_; + return result; +} + +void +mix_device_delete (mix_device_t *dev) +{ + if (dev != NULL) + { + if (dev->type != mix_dev_CONSOLE && GET_FILE_(dev) != NULL) + mix_file_delete (GET_FILE_(dev)); + g_free (dev); + } +} + +mix_device_type_t +mix_device_type (const mix_device_t *dev) +{ + g_return_val_if_fail (dev != NULL, mix_dev_INVALID); + return dev->type; +} + +const char * +mix_device_get_name (const mix_device_t *dev) +{ + g_return_val_if_fail (dev != NULL, NULL); + return mix_file_base_name(GET_FILE_(dev)); +} + +/* + Get the device block size +*/ +size_t +mix_device_block_size (const mix_device_t *dev) +{ + g_return_val_if_fail (dev != NULL, 0); + return SIZES_[dev->type]; +} + +/* + Get the device io mode +*/ +mix_device_mode_t +mix_device_mode (const mix_device_t *dev) +{ + g_return_val_if_fail (dev != NULL, 0); + return MODES_[dev->type]; +} + +/* + Write a block to the device. +*/ +gboolean +mix_device_write (mix_device_t *dev, const mix_word_t *block) +{ + g_return_val_if_fail (dev != NULL, FALSE); + g_return_val_if_fail (block != NULL, FALSE); + g_assert (dev->vtable != NULL); + return (dev->vtable->write) (dev, block); +} + +gboolean +mix_device_read (mix_device_t *dev, mix_word_t *block) +{ + g_return_val_if_fail (dev != NULL, FALSE); + g_return_val_if_fail (block != NULL, FALSE); + g_assert (dev->vtable != NULL); + return (dev->vtable->read) (dev, block); +} + +gboolean +mix_device_ioc (mix_device_t *dev, mix_short_t arg) +{ + g_return_val_if_fail (dev != NULL, FALSE); + g_assert (dev->vtable != NULL); + return (dev->vtable->ioc) (dev, arg); +} + +gboolean +mix_device_busy (const mix_device_t *dev) +{ + g_return_val_if_fail (dev != NULL, FALSE); + return (dev->vtable->busy) (dev); + +} |