diff options
author | merge <null@invalid> | 2009-01-22 13:55:32 +0000 |
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committer | Andy Green <agreen@octopus.localdomain> | 2009-01-22 13:55:32 +0000 |
commit | aa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 (patch) | |
tree | fbb786d0ac6f8a774fd834e9ce951197e60fbffa /drivers/staging/meilhaus/medlist.c | |
parent | f2d78193eae5dccd3d588d2c8ea0866efc368332 (diff) |
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040
stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch
mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage:
From: Andy Green <andy@openmoko.com>
fix-stray-endmenu.patch
Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'drivers/staging/meilhaus/medlist.c')
-rw-r--r-- | drivers/staging/meilhaus/medlist.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/drivers/staging/meilhaus/medlist.c b/drivers/staging/meilhaus/medlist.c new file mode 100644 index 00000000000..ef4e36955dc --- /dev/null +++ b/drivers/staging/meilhaus/medlist.c @@ -0,0 +1,127 @@ +/** + * @file me_dlist.c + * + * @brief Implements the device list class. + * @note Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de) + * @author Guenter Gebhardt + */ + +/* + * Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de) + * + * This file 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "meerror.h" +#include "medefines.h" + +#include "medlist.h" +#include "medebug.h" + +int me_dlist_query_number_devices(struct me_dlist *dlist, int *number) +{ + PDEBUG_LOCKS("called.\n"); + *number = dlist->n; + return ME_ERRNO_SUCCESS; +} + +unsigned int me_dlist_get_number_devices(struct me_dlist *dlist) +{ + PDEBUG_LOCKS("called.\n"); + return dlist->n; +} + +me_device_t *me_dlist_get_device(struct me_dlist * dlist, unsigned int index) +{ + + struct list_head *pos; + me_device_t *device = NULL; + unsigned int i = 0; + + PDEBUG_LOCKS("called.\n"); + + if (index >= dlist->n) { + PERROR("Index out of range.\n"); + return NULL; + } + + list_for_each(pos, &dlist->head) { + if (i == index) { + device = list_entry(pos, me_device_t, list); + break; + } + + ++i; + } + + return device; +} + +void me_dlist_add_device_tail(struct me_dlist *dlist, me_device_t * device) +{ + PDEBUG_LOCKS("called.\n"); + + list_add_tail(&device->list, &dlist->head); + ++dlist->n; +} + +me_device_t *me_dlist_del_device_tail(struct me_dlist *dlist) +{ + + struct list_head *last; + me_device_t *device; + + PDEBUG_LOCKS("called.\n"); + + if (list_empty(&dlist->head)) + return NULL; + + last = dlist->head.prev; + + device = list_entry(last, me_device_t, list); + + list_del(last); + + --dlist->n; + + return device; +} + +int me_dlist_init(me_dlist_t * dlist) +{ + PDEBUG_LOCKS("called.\n"); + + INIT_LIST_HEAD(&dlist->head); + dlist->n = 0; + return 0; +} + +void me_dlist_deinit(me_dlist_t * dlist) +{ + + struct list_head *s; + me_device_t *device; + + PDEBUG_LOCKS("called.\n"); + + while (!list_empty(&dlist->head)) { + s = dlist->head.next; + list_del(s); + device = list_entry(s, me_device_t, list); + device->me_device_destructor(device); + } + + dlist->n = 0; +} |