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authorLorry Tar Creator <lorry-tar-importer@baserock.org>2013-03-14 05:42:27 +0000
committer <>2013-04-03 16:25:08 +0000
commitc4dd7a1a684490673e25aaf4fabec5df138854c4 (patch)
tree4d57c44caae4480efff02b90b9be86f44bf25409 /Zend/zend_dynamic_array.c
downloadphp2-master.tar.gz
Imported from /home/lorry/working-area/delta_php2/php-5.4.13.tar.bz2.HEADphp-5.4.13master
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+/*
+ +----------------------------------------------------------------------+
+ | Zend Engine |
+ +----------------------------------------------------------------------+
+ | Copyright (c) 1998-2013 Zend Technologies Ltd. (http://www.zend.com) |
+ +----------------------------------------------------------------------+
+ | This source file is subject to version 2.00 of the Zend license, |
+ | that is bundled with this package in the file LICENSE, and is |
+ | available through the world-wide-web at the following url: |
+ | http://www.zend.com/license/2_00.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> |
+ +----------------------------------------------------------------------+
+*/
+
+/* $Id$ */
+
+#include "zend.h"
+
+typedef struct _dynamic_array {
+ char *array;
+ unsigned int element_size;
+ unsigned int current;
+ unsigned int allocated;
+} dynamic_array;
+
+ZEND_API int zend_dynamic_array_init(dynamic_array *da, unsigned int element_size, unsigned int size)
+{
+ da->element_size = element_size;
+ da->allocated = size;
+ da->current = 0;
+ da->array = (char *) emalloc(size*element_size);
+ if (da->array == NULL) {
+ return 1;
+ }
+ return 0;
+}
+
+ZEND_API void *zend_dynamic_array_push(dynamic_array *da)
+{
+ if (da->current == da->allocated) {
+ da->allocated *= 2;
+ da->array = (char *) erealloc(da->array, da->allocated*da->element_size);
+ }
+ return (void *)(da->array+(da->current++)*da->element_size);
+}
+
+ZEND_API void *zend_dynamic_array_pop(dynamic_array *da)
+{
+ return (void *)(da->array+(--(da->current))*da->element_size);
+
+}
+
+ZEND_API void *zend_dynamic_array_get_element(dynamic_array *da, unsigned int index)
+{
+ if (index >= da->current) {
+ return NULL;
+ }
+ return (void *)(da->array+index*da->element_size);
+}
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ */