diff options
Diffstat (limited to 'Zend/zend_stack.c')
| -rw-r--r-- | Zend/zend_stack.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/Zend/zend_stack.c b/Zend/zend_stack.c deleted file mode 100644 index 3618fb1bbd..0000000000 --- a/Zend/zend_stack.c +++ /dev/null @@ -1,164 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | Zend Engine | - +----------------------------------------------------------------------+ - | Copyright (c) 1998-2000 Zend Technologies Ltd. (http://www.zend.com) | - +----------------------------------------------------------------------+ - | This source file is subject to version 0.92 of the Zend license, | - | that is bundled with this package in the file LICENSE, and is | - | available at through the world-wide-web at | - | http://www.zend.com/license/0_92.txt. | - | If you did not receive a copy of the Zend license and are unable to | - | obtain it through the world-wide-web, please send a note to | - | license@zend.com so we can mail you a copy immediately. | - +----------------------------------------------------------------------+ - | Authors: Andi Gutmans <andi@zend.com> | - | Zeev Suraski <zeev@zend.com> | - +----------------------------------------------------------------------+ -*/ - - -#include "zend.h" -#include "zend_stack.h" - -ZEND_API int zend_stack_init(zend_stack *stack) -{ - stack->top = 0; - stack->elements = (void **) emalloc(sizeof(void **) * STACK_BLOCK_SIZE); - if (!stack->elements) { - return FAILURE; - } else { - stack->max = STACK_BLOCK_SIZE; - return SUCCESS; - } -} - -ZEND_API int zend_stack_push(zend_stack *stack, void *element, int size) -{ - if (stack->top >= stack->max) { /* we need to allocate more memory */ - stack->elements = (void **) erealloc(stack->elements, - (sizeof(void **) * (stack->max += STACK_BLOCK_SIZE))); - if (!stack->elements) { - return FAILURE; - } - } - stack->elements[stack->top] = (void *) emalloc(size); - memcpy(stack->elements[stack->top], element, size); - return stack->top++; -} - - -ZEND_API int zend_stack_top(zend_stack *stack, void **element) -{ - if (stack->top > 0) { - *element = stack->elements[stack->top - 1]; - return SUCCESS; - } else { - *element = NULL; - return FAILURE; - } -} - - -ZEND_API int zend_stack_del_top(zend_stack *stack) -{ - if (stack->top > 0) { - efree(stack->elements[--stack->top]); - } - return SUCCESS; -} - - -ZEND_API int zend_stack_int_top(zend_stack *stack) -{ - int *e; - - if (zend_stack_top(stack, (void **) &e) == FAILURE) { - return FAILURE; /* this must be a negative number, since negative numbers can't be address numbers */ - } else { - return *e; - } -} - - -ZEND_API int zend_stack_is_empty(zend_stack *stack) -{ - if (stack->top == 0) { - return 1; - } else { - return 0; - } -} - - -ZEND_API int zend_stack_destroy(zend_stack *stack) -{ - register int i; - - for (i = 0; i < stack->top; i++) { - efree(stack->elements[i]); - } - - if (stack->elements) { - efree(stack->elements); - } - return SUCCESS; -} - - -ZEND_API void **zend_stack_base(zend_stack *stack) -{ - return stack->elements; -} - - -ZEND_API int zend_stack_count(zend_stack *stack) -{ - return stack->top; -} - - -ZEND_API void zend_stack_apply(zend_stack *stack, int type, int (*apply_function)(void *element)) -{ - int i; - - switch (type) { - case ZEND_STACK_APPLY_TOPDOWN: - for (i=stack->top-1; i>=0; i--) { - if (apply_function(stack->elements[i])) { - break; - } - } - break; - case ZEND_STACK_APPLY_BOTTOMUP: - for (i=0; i<stack->top; i++) { - if (apply_function(stack->elements[i])) { - break; - } - } - break; - } -} - - -ZEND_API void zend_stack_apply_with_argument(zend_stack *stack, int type, int (*apply_function)(void *element, void *arg), void *arg) -{ - int i; - - switch (type) { - case ZEND_STACK_APPLY_TOPDOWN: - for (i=stack->top-1; i>=0; i--) { - if (apply_function(stack->elements[i], arg)) { - break; - } - } - break; - case ZEND_STACK_APPLY_BOTTOMUP: - for (i=0; i<stack->top; i++) { - if (apply_function(stack->elements[i], arg)) { - break; - } - } - break; - } -} |