mirror of
https://github.com/php/php-src.git
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124 lines
4.7 KiB
C
124 lines
4.7 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998, 1999 Andi Gutmans, Zeev Suraski |
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+----------------------------------------------------------------------+
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| This source file is subject to the Zend license, that is bundled |
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| with this package in the file LICENSE. If you did not receive a |
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| copy of the Zend license, please mail us at zend@zend.com so we can |
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| send you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Andi Gutmans <andi@zend.com> |
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| Zeev Suraski <zeev@zend.com> |
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+----------------------------------------------------------------------+
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*/
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#ifndef _ALLOC_H
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#define _ALLOC_H
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#include <stdio.h>
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#define MEM_BLOCK_START_MAGIC 0x7312F8DCL
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#define MEM_BLOCK_END_MAGIC 0x2A8FCC84L
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#define MEM_BLOCK_FREED_MAGIC 0x99954317L
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#define MEM_BLOCK_CACHED_MAGIC 0xFB8277DCL
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typedef struct _mem_header {
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#if ZEND_DEBUG
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long magic;
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char *filename;
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uint lineno;
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#endif
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struct _mem_header *pNext;
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struct _mem_header *pLast;
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unsigned int size:30;
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unsigned int persistent:1;
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unsigned int cached:1;
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} mem_header;
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typedef union {
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void *ptr;
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double dbl;
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long lng;
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} align_test;
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#define MAX_CACHED_MEMORY 64
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#define MAX_CACHED_ENTRIES 16
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#define PLATFORM_ALIGNMENT (sizeof(align_test))
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#define PLATFORM_PADDING (((PLATFORM_ALIGNMENT-sizeof(mem_header))%PLATFORM_ALIGNMENT+PLATFORM_ALIGNMENT)%PLATFORM_ALIGNMENT)
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ZEND_API char *zend_strndup(const char *s, unsigned int length);
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BEGIN_EXTERN_C()
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#if ZEND_DEBUG
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ZEND_API void *_emalloc(size_t size,char *filename,uint lineno);
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ZEND_API void _efree(void *ptr,char *filename,uint lineno);
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ZEND_API void *_ecalloc(size_t nmemb, size_t size,char *filename,uint lineno);
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ZEND_API void *_erealloc(void *ptr, size_t size,char *filename,uint lineno);
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ZEND_API char *_estrdup(const char *s,char *filename,uint lineno);
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ZEND_API char *_estrndup(const char *s, unsigned int length,char *filename,uint lineno);
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ZEND_API void _persist_alloc(void *ptr, char *filename, uint lineno);
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#define emalloc(size) _emalloc((size),__FILE__,__LINE__)
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#define efree(ptr) _efree((ptr),__FILE__,__LINE__)
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#define ecalloc(nmemb,size) _ecalloc((nmemb),(size),__FILE__,__LINE__)
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#define erealloc(ptr,size) _erealloc((ptr),(size),__FILE__,__LINE__)
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#define estrdup(s) _estrdup((s),__FILE__,__LINE__)
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#define estrndup(s,length) _estrndup((s),(length),__FILE__,__LINE__)
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#define persist_alloc(p) _persist_alloc((p),__FILE__,__LINE__)
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#else
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ZEND_API void *_emalloc(size_t size);
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ZEND_API void _efree(void *ptr);
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ZEND_API void *_ecalloc(size_t nmemb, size_t size);
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ZEND_API void *_erealloc(void *ptr, size_t size);
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ZEND_API char *_estrdup(const char *s);
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ZEND_API char *_estrndup(const char *s, unsigned int length);
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ZEND_API void _persist_alloc(void *ptr);
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#define emalloc(size) _emalloc((size))
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#define efree(ptr) _efree((ptr))
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#define ecalloc(nmemb,size) _ecalloc((nmemb),(size))
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#define erealloc(ptr,size) _erealloc((ptr),(size))
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#define estrdup(s) _estrdup((s))
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#define estrndup(s,length) _estrndup((s),(length))
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#define persist_alloc(p) _persist_alloc((p))
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#endif
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#define pemalloc(size,persistent) ((persistent)?malloc(size):emalloc(size))
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#define pefree(ptr,persistent) ((persistent)?free(ptr):efree(ptr))
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#define pecalloc(nmemb,size,persistent) ((persistent)?calloc((nmemb),(size)):ecalloc((nmemb),(size)))
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#define perealloc(ptr,size,persistent) ((persistent)?realloc((ptr),(size)):erealloc((ptr),(size)))
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#define pestrdup(s,persistent) ((persistent)?strdup(s):estrdup(s))
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#define safe_estrdup(ptr) ((ptr)?(estrdup(ptr)):(empty_string))
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#define safe_estrndup(ptr,len) ((ptr)?(estrndup((ptr),(len))):(empty_string))
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ZEND_API int zend_set_memory_limit(unsigned int memory_limit);
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ZEND_API void start_memory_manager(void);
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ZEND_API void shutdown_memory_manager(int silent, int clean_cache);
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#if ZEND_DEBUG
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ZEND_API int _mem_block_check(void *ptr, int silent, char *filename, int lineno);
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ZEND_API void _full_mem_check(int silent, char *filename, uint lineno);
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#define mem_block_check(ptr, silent) _mem_block_check(ptr, silent, __FILE__, __LINE__)
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#define mem_block_check(ptr, silent) _mem_block_check(ptr, silent, __FILE__, __LINE__)
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#define full_mem_check(silent) _full_mem_check(silent, __FILE__, __LINE__)
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#else
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#define mem_block_check(type, ptr, silent)
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#define full_mem_check(silent)
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#endif
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END_EXTERN_C()
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#endif
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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*/
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