diff options
Diffstat (limited to 'xorg-server/hw/xquartz/xpr/x-hook.c')
-rw-r--r-- | xorg-server/hw/xquartz/xpr/x-hook.c | 231 |
1 files changed, 111 insertions, 120 deletions
diff --git a/xorg-server/hw/xquartz/xpr/x-hook.c b/xorg-server/hw/xquartz/xpr/x-hook.c index c65b6fc68..fd34658e7 100644 --- a/xorg-server/hw/xquartz/xpr/x-hook.c +++ b/xorg-server/hw/xquartz/xpr/x-hook.c @@ -1,120 +1,111 @@ -/* x-hook.c
-
- Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
-
- Permission is hereby granted, free of charge, to any person
- obtaining a copy of this software and associated documentation files
- (the "Software"), to deal in the Software without restriction,
- including without limitation the rights to use, copy, modify, merge,
- publish, distribute, sublicense, and/or sell copies of the Software,
- and to permit persons to whom the Software is furnished to do so,
- subject to the following conditions:
-
- The above copyright notice and this permission notice shall be
- included in all copies or substantial portions of the Software.
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
- HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- DEALINGS IN THE SOFTWARE.
-
- Except as contained in this notice, the name(s) of the above
- copyright holders shall not be used in advertising or otherwise to
- promote the sale, use or other dealings in this Software without
- prior written authorization. */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "x-hook.h"
-#include <stdlib.h>
-#include <assert.h>
-#include "os.h"
-
-#define CELL_NEW(f,d) X_PFX (list_prepend) ((x_list *) (f), (d))
-#define CELL_FREE(c) X_PFX (list_free_1) (c)
-#define CELL_FUN(c) ((x_hook_function *) ((c)->next))
-#define CELL_DATA(c) ((c)->data)
-
-X_EXTERN x_list *
-X_PFX (hook_add) (x_list *lst, x_hook_function *fun, void *data)
-{
- return X_PFX (list_prepend) (lst, CELL_NEW (fun, data));
-}
-
-X_EXTERN x_list *
-X_PFX (hook_remove) (x_list *lst, x_hook_function *fun, void *data)
-{
- x_list *node, *cell;
- x_list *to_delete = NULL;
-
- for (node = lst; node != NULL; node = node->next)
- {
- cell = node->data;
- if (CELL_FUN (cell) == fun && CELL_DATA (cell) == data)
- to_delete = X_PFX (list_prepend) (to_delete, cell);
- }
-
- for (node = to_delete; node != NULL; node = node->next)
- {
- cell = node->data;
- lst = X_PFX (list_remove) (lst, cell);
- CELL_FREE (cell);
- }
-
- X_PFX (list_free) (to_delete);
- return lst;
-}
-
-X_EXTERN void
-X_PFX (hook_run) (x_list *lst, void *arg)
-{
- x_list *node, *cell;
- x_hook_function **fun;
- void **data;
- int length, i;
-
- if(!lst)
- return;
-
- length = X_PFX (list_length) (lst);
- fun = malloc(sizeof (x_hook_function *) * length);
- data = malloc(sizeof (void *) * length);
-
- if(!fun || !data) {
- FatalError("Failed to allocate memory in %s\n", __func__);
- }
-
- for (i = 0, node = lst; node != NULL; node = node->next, i++)
- {
- cell = node->data;
- fun[i] = CELL_FUN (cell);
- data[i] = CELL_DATA (cell);
- }
-
- for (i = 0; i < length; i++)
- {
- (*fun[i]) (arg, data[i]);
- }
-
- free(fun);
- free(data);
-}
-
-X_EXTERN void
-X_PFX (hook_free) (x_list *lst)
-{
- x_list *node;
-
- for (node = lst; node != NULL; node = node->next)
- {
- CELL_FREE (node->data);
- }
-
- X_PFX (list_free) (lst);
-}
+/* x-hook.c + + Copyright (c) 2003 Apple Computer, Inc. All rights reserved. + + Permission is hereby granted, free of charge, to any person + obtaining a copy of this software and associated documentation files + (the "Software"), to deal in the Software without restriction, + including without limitation the rights to use, copy, modify, merge, + publish, distribute, sublicense, and/or sell copies of the Software, + and to permit persons to whom the Software is furnished to do so, + subject to the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT + HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + DEALINGS IN THE SOFTWARE. + + Except as contained in this notice, the name(s) of the above + copyright holders shall not be used in advertising or otherwise to + promote the sale, use or other dealings in this Software without + prior written authorization. */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "x-hook.h" +#include <stdlib.h> +#include <assert.h> +#include "os.h" + +#define CELL_NEW(f,d) X_PFX (list_prepend) ((x_list *) (f), (d)) +#define CELL_FREE(c) X_PFX (list_free_1) (c) +#define CELL_FUN(c) ((x_hook_function *) ((c)->next)) +#define CELL_DATA(c) ((c)->data) + +X_EXTERN x_list *X_PFX(hook_add) (x_list * lst, x_hook_function * fun, + void *data) { + return X_PFX(list_prepend) (lst, CELL_NEW(fun, data)); +} + +X_EXTERN x_list *X_PFX(hook_remove) (x_list * lst, x_hook_function * fun, + void *data) { + x_list *node, *cell; + x_list *to_delete = NULL; + + for (node = lst; node != NULL; node = node->next) { + cell = node->data; + if (CELL_FUN(cell) == fun && CELL_DATA(cell) == data) + to_delete = X_PFX(list_prepend) (to_delete, cell); + } + + for (node = to_delete; node != NULL; node = node->next) { + cell = node->data; + lst = X_PFX(list_remove) (lst, cell); + CELL_FREE(cell); + } + + X_PFX(list_free) (to_delete); + return lst; +} + +X_EXTERN void + X_PFX(hook_run) (x_list * lst, void *arg) { + x_list *node, *cell; + x_hook_function **fun; + void **data; + int length, i; + + if (!lst) + return; + + length = X_PFX(list_length) (lst); + fun = malloc(sizeof(x_hook_function *) * length); + data = malloc(sizeof(void *) * length); + + if (!fun || !data) { + FatalError("Failed to allocate memory in %s\n", __func__); + } + + for (i = 0, node = lst; node != NULL; node = node->next, i++) { + cell = node->data; + fun[i] = CELL_FUN(cell); + data[i] = CELL_DATA(cell); + } + + for (i = 0; i < length; i++) { + (*fun[i]) (arg, data[i]); + } + + free(fun); + free(data); +} + +X_EXTERN void + X_PFX(hook_free) (x_list * lst) { + x_list *node; + + for (node = lst; node != NULL; node = node->next) { + CELL_FREE(node->data); + } + + X_PFX(list_free) (lst); +} |