root/mysqlnd/mysqlnd_alloc.c

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DEFINITIONS

This source file includes following definitions.
  1. _mysqlnd_emalloc
  2. _mysqlnd_pemalloc
  3. _mysqlnd_ecalloc
  4. _mysqlnd_pecalloc
  5. _mysqlnd_erealloc
  6. _mysqlnd_perealloc
  7. _mysqlnd_efree
  8. _mysqlnd_pefree
  9. _mysqlnd_malloc
  10. _mysqlnd_calloc
  11. _mysqlnd_realloc
  12. _mysqlnd_free
  13. _mysqlnd_pestrndup
  14. _mysqlnd_pestrdup
  15. _mysqlnd_sprintf
  16. _mysqlnd_sprintf_free
  17. _mysqlnd_vsprintf
  18. mysqlnd_zend_mm_emalloc
  19. mysqlnd_zend_mm_pemalloc
  20. mysqlnd_zend_mm_ecalloc
  21. mysqlnd_zend_mm_pecalloc
  22. mysqlnd_zend_mm_erealloc
  23. mysqlnd_zend_mm_perealloc
  24. mysqlnd_zend_mm_efree
  25. mysqlnd_zend_mm_pefree
  26. mysqlnd_zend_mm_malloc
  27. mysqlnd_zend_mm_calloc
  28. mysqlnd_zend_mm_realloc
  29. mysqlnd_zend_mm_free
  30. mysqlnd_zend_mm_pestrndup
  31. mysqlnd_zend_mm_pestrdup

/*
  +----------------------------------------------------------------------+
  | PHP Version 5                                                        |
  +----------------------------------------------------------------------+
  | Copyright (c) 2006-2012 The PHP Group                                |
  +----------------------------------------------------------------------+
  | This source file is subject to version 3.01 of the PHP 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.php.net/license/3_01.txt                                  |
  | If you did not receive a copy of the PHP license and are unable to   |
  | obtain it through the world-wide-web, please send a note to          |
  | license@php.net so we can mail you a copy immediately.               |
  +----------------------------------------------------------------------+
  | Authors: Georg Richter <georg@mysql.com>                             |
  |          Andrey Hristov <andrey@mysql.com>                           |
  |          Ulf Wendel <uwendel@mysql.com>                              |
  +----------------------------------------------------------------------+
*/

/* $Id: mysqlnd_debug.c 309303 2011-03-16 12:42:59Z andrey $ */
#include "php.h"
#include "mysqlnd.h"
#include "mysqlnd_priv.h"
#include "mysqlnd_debug.h"
#include "mysqlnd_wireprotocol.h"
#include "mysqlnd_statistics.h"


static const char mysqlnd_emalloc_name[]        = "_mysqlnd_emalloc";
static const char mysqlnd_pemalloc_name[]       = "_mysqlnd_pemalloc";
static const char mysqlnd_ecalloc_name[]        = "_mysqlnd_ecalloc";
static const char mysqlnd_pecalloc_name[]       = "_mysqlnd_pecalloc";
static const char mysqlnd_erealloc_name[]       = "_mysqlnd_erealloc";
static const char mysqlnd_perealloc_name[]      = "_mysqlnd_perealloc";
static const char mysqlnd_efree_name[]          = "_mysqlnd_efree";
static const char mysqlnd_pefree_name[]         = "_mysqlnd_pefree";
static const char mysqlnd_malloc_name[]         = "_mysqlnd_malloc";
static const char mysqlnd_calloc_name[]         = "_mysqlnd_calloc";
static const char mysqlnd_realloc_name[]        = "_mysqlnd_realloc";
static const char mysqlnd_free_name[]           = "_mysqlnd_free";
static const char mysqlnd_pestrndup_name[]      = "_mysqlnd_pestrndup";
static const char mysqlnd_pestrdup_name[]       = "_mysqlnd_pestrdup";

const char * mysqlnd_debug_std_no_trace_funcs[] =
{
        mysqlnd_emalloc_name,
        mysqlnd_ecalloc_name,
        mysqlnd_efree_name,
        mysqlnd_erealloc_name,
        mysqlnd_pemalloc_name,
        mysqlnd_pecalloc_name,
        mysqlnd_pefree_name,
        mysqlnd_perealloc_name,
        mysqlnd_malloc_name,
        mysqlnd_calloc_name,
        mysqlnd_realloc_name,
        mysqlnd_free_name,
        mysqlnd_pestrndup_name,
        mysqlnd_read_header_name,
        mysqlnd_read_body_name,
        NULL /* must be always last */
};


#if ZEND_DEBUG
#else
#define __zend_filename "/unknown/unknown"
#define __zend_lineno   0
#endif

#define REAL_SIZE(s) (collect_memory_statistics? (s) + sizeof(size_t) : (s))
#define REAL_PTR(p) (collect_memory_statistics && (p)? (((char *)(p)) - sizeof(size_t)) : (p))
#define FAKE_PTR(p) (collect_memory_statistics && (p)? (((char *)(p)) + sizeof(size_t)) : (p))

/* {{{ _mysqlnd_emalloc */
void * _mysqlnd_emalloc(size_t size MYSQLND_MEM_D)
{
        void *ret;
        zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
#if PHP_DEBUG
        long * threshold = &MYSQLND_G(debug_emalloc_fail_threshold);
#endif
        DBG_ENTER(mysqlnd_emalloc_name);

#if PHP_DEBUG
        {
                char * fn = strrchr(__zend_filename, PHP_DIR_SEPARATOR);
                DBG_INF_FMT("file=%-15s line=%4d", fn? fn + 1:__zend_filename, __zend_lineno);
        }
#endif

#if PHP_DEBUG
        /* -1 is also "true" */
        if (*threshold) {
#endif
                ret = emalloc(REAL_SIZE(size));
#if PHP_DEBUG
                --*threshold;
        } else if (*threshold == 0) {
                ret = NULL;
        }
#endif

        DBG_INF_FMT("size=%lu ptr=%p", size, ret);

        if (ret && collect_memory_statistics) {
                *(size_t *) ret = size;
                MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(STAT_MEM_EMALLOC_COUNT, 1, STAT_MEM_EMALLOC_AMOUNT, size);
        }
        DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */


/* {{{ _mysqlnd_pemalloc */
void * _mysqlnd_pemalloc(size_t size, zend_bool persistent MYSQLND_MEM_D)
{
        void *ret;
        zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
#if PHP_DEBUG
        long * threshold = persistent? &MYSQLND_G(debug_malloc_fail_threshold):&MYSQLND_G(debug_emalloc_fail_threshold);
#endif
        DBG_ENTER(mysqlnd_pemalloc_name);
#if PHP_DEBUG
        {
                char * fn = strrchr(__zend_filename, PHP_DIR_SEPARATOR);
                DBG_INF_FMT("file=%-15s line=%4d", fn? fn + 1:__zend_filename, __zend_lineno);
        }
#endif

#if PHP_DEBUG
        /* -1 is also "true" */
        if (*threshold) {
#endif
                ret = pemalloc(REAL_SIZE(size), persistent);
#if PHP_DEBUG
                --*threshold;
        } else if (*threshold == 0) {
                ret = NULL;
        }
#endif

        DBG_INF_FMT("size=%lu ptr=%p persistent=%u", size, ret, persistent);

        if (ret && collect_memory_statistics) {
                enum mysqlnd_collected_stats s1 = persistent? STAT_MEM_MALLOC_COUNT:STAT_MEM_EMALLOC_COUNT;
                enum mysqlnd_collected_stats s2 = persistent? STAT_MEM_MALLOC_AMOUNT:STAT_MEM_EMALLOC_AMOUNT;
                *(size_t *) ret = size;
                MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(s1, 1, s2, size);
        }

        DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */


/* {{{ _mysqlnd_ecalloc */
void * _mysqlnd_ecalloc(unsigned int nmemb, size_t size MYSQLND_MEM_D)
{
        void *ret;
        zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
#if PHP_DEBUG
        long * threshold = &MYSQLND_G(debug_ecalloc_fail_threshold);
#endif
        DBG_ENTER(mysqlnd_ecalloc_name);
#if PHP_DEBUG
        {
                char * fn = strrchr(__zend_filename, PHP_DIR_SEPARATOR);
                DBG_INF_FMT("file=%-15s line=%4d", fn? fn + 1:__zend_filename, __zend_lineno);
        }
#endif
        DBG_INF_FMT("before: %lu", zend_memory_usage(FALSE TSRMLS_CC));

#if PHP_DEBUG
        /* -1 is also "true" */
        if (*threshold) {
#endif
                ret = ecalloc(nmemb, REAL_SIZE(size));
#if PHP_DEBUG
                --*threshold;
        } else if (*threshold == 0) {
                ret = NULL;
        }
#endif

        DBG_INF_FMT("after : %lu", zend_memory_usage(FALSE TSRMLS_CC));
        DBG_INF_FMT("size=%lu ptr=%p", size, ret);
        if (ret && collect_memory_statistics) {
                *(size_t *) ret = size;
                MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(STAT_MEM_ECALLOC_COUNT, 1, STAT_MEM_ECALLOC_AMOUNT, size);
        }
        DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */


/* {{{ _mysqlnd_pecalloc */
void * _mysqlnd_pecalloc(unsigned int nmemb, size_t size, zend_bool persistent MYSQLND_MEM_D)
{
        void *ret;
        zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
#if PHP_DEBUG
        long * threshold = persistent? &MYSQLND_G(debug_calloc_fail_threshold):&MYSQLND_G(debug_ecalloc_fail_threshold);
#endif
        DBG_ENTER(mysqlnd_pecalloc_name);
#if PHP_DEBUG
        {
                char * fn = strrchr(__zend_filename, PHP_DIR_SEPARATOR);
                DBG_INF_FMT("file=%-15s line=%4d", fn? fn + 1:__zend_filename, __zend_lineno);
        }
#endif

#if PHP_DEBUG
        /* -1 is also "true" */
        if (*threshold) {
#endif
                ret = pecalloc(nmemb, REAL_SIZE(size), persistent);
#if PHP_DEBUG
                --*threshold;
        } else if (*threshold == 0) {
                ret = NULL;
        }
#endif

        DBG_INF_FMT("size=%lu ptr=%p", size, ret);

        if (ret && collect_memory_statistics) {
                enum mysqlnd_collected_stats s1 = persistent? STAT_MEM_CALLOC_COUNT:STAT_MEM_ECALLOC_COUNT;
                enum mysqlnd_collected_stats s2 = persistent? STAT_MEM_CALLOC_AMOUNT:STAT_MEM_ECALLOC_AMOUNT;
                *(size_t *) ret = size;
                MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(s1, 1, s2, size);
        }

        DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */


/* {{{ _mysqlnd_erealloc */
void * _mysqlnd_erealloc(void *ptr, size_t new_size MYSQLND_MEM_D)
{
        void *ret;
        zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
        size_t old_size = collect_memory_statistics && ptr? *(size_t *) (((char*)ptr) - sizeof(size_t)) : 0;
#if PHP_DEBUG
        long * threshold = &MYSQLND_G(debug_erealloc_fail_threshold);
#endif
        DBG_ENTER(mysqlnd_erealloc_name);
#if PHP_DEBUG
        {
                char * fn = strrchr(__zend_filename, PHP_DIR_SEPARATOR);
                DBG_INF_FMT("file=%-15s line=%4d", fn? fn + 1:__zend_filename, __zend_lineno);
        }
#endif
        DBG_INF_FMT("ptr=%p old_size=%lu, new_size=%lu", ptr, old_size, new_size); 

#if PHP_DEBUG
        /* -1 is also "true" */
        if (*threshold) {
#endif
                ret = erealloc(REAL_PTR(ptr), REAL_SIZE(new_size));
#if PHP_DEBUG
                --*threshold;
        } else if (*threshold == 0) {
                ret = NULL;
        }
#endif

        DBG_INF_FMT("new_ptr=%p", (char*)ret);
        if (ret && collect_memory_statistics) {
                *(size_t *) ret = new_size;
                MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(STAT_MEM_EREALLOC_COUNT, 1, STAT_MEM_EREALLOC_AMOUNT, new_size);
        }
        DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */


/* {{{ _mysqlnd_perealloc */
void * _mysqlnd_perealloc(void *ptr, size_t new_size, zend_bool persistent MYSQLND_MEM_D)
{
        void *ret;
        zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
        size_t old_size = collect_memory_statistics && ptr? *(size_t *) (((char*)ptr) - sizeof(size_t)) : 0;
#if PHP_DEBUG
        long * threshold = persistent? &MYSQLND_G(debug_realloc_fail_threshold):&MYSQLND_G(debug_erealloc_fail_threshold);
#endif
        DBG_ENTER(mysqlnd_perealloc_name);
#if PHP_DEBUG
        {
                char * fn = strrchr(__zend_filename, PHP_DIR_SEPARATOR);
                DBG_INF_FMT("file=%-15s line=%4d", fn? fn + 1:__zend_filename, __zend_lineno);
        }
#endif
        DBG_INF_FMT("ptr=%p old_size=%lu new_size=%lu persistent=%u", ptr, old_size, new_size, persistent); 

#if PHP_DEBUG
        /* -1 is also "true" */
        if (*threshold) {
#endif
                ret = perealloc(REAL_PTR(ptr), REAL_SIZE(new_size), persistent);
#if PHP_DEBUG
                --*threshold;
        } else if (*threshold == 0) {
                ret = NULL;
        }
#endif

        DBG_INF_FMT("new_ptr=%p", (char*)ret);

        if (ret && collect_memory_statistics) {
                enum mysqlnd_collected_stats s1 = persistent? STAT_MEM_REALLOC_COUNT:STAT_MEM_EREALLOC_COUNT;
                enum mysqlnd_collected_stats s2 = persistent? STAT_MEM_REALLOC_AMOUNT:STAT_MEM_EREALLOC_AMOUNT;
                *(size_t *) ret = new_size;
                MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(s1, 1, s2, new_size);
        }
        DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */


/* {{{ _mysqlnd_efree */
void _mysqlnd_efree(void *ptr MYSQLND_MEM_D)
{
        size_t free_amount = 0;
        zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
        DBG_ENTER(mysqlnd_efree_name);
#if PHP_DEBUG
        {
                char * fn = strrchr(__zend_filename, PHP_DIR_SEPARATOR);
                DBG_INF_FMT("file=%-15s line=%4d", fn? fn + 1:__zend_filename, __zend_lineno);
        }
#endif
        DBG_INF_FMT("ptr=%p", ptr); 

        if (ptr) {
                if (collect_memory_statistics) {
                        free_amount = *(size_t *)(((char*)ptr) - sizeof(size_t));
                        DBG_INF_FMT("ptr=%p size=%u", ((char*)ptr) - sizeof(size_t), (unsigned int) free_amount);
                }
                efree(REAL_PTR(ptr));
        }

        if (collect_memory_statistics) {
                MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(STAT_MEM_EFREE_COUNT, 1, STAT_MEM_EFREE_AMOUNT, free_amount);
        }
        DBG_VOID_RETURN;
}
/* }}} */


/* {{{ _mysqlnd_pefree */
void _mysqlnd_pefree(void *ptr, zend_bool persistent MYSQLND_MEM_D)
{
        size_t free_amount = 0;
        zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
        DBG_ENTER(mysqlnd_pefree_name);
#if PHP_DEBUG
        {
                char * fn = strrchr(__zend_filename, PHP_DIR_SEPARATOR);
                DBG_INF_FMT("file=%-15s line=%4d", fn? fn + 1:__zend_filename, __zend_lineno);
        }
#endif
        DBG_INF_FMT("ptr=%p persistent=%u", ptr, persistent); 

        if (ptr) {
                if (collect_memory_statistics) {
                        free_amount = *(size_t *)(((char*)ptr) - sizeof(size_t));
                        DBG_INF_FMT("ptr=%p size=%u", ((char*)ptr) - sizeof(size_t), (unsigned int) free_amount);
                }
                pefree(REAL_PTR(ptr), persistent);
        }

        if (collect_memory_statistics) {
                MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(persistent? STAT_MEM_FREE_COUNT:STAT_MEM_EFREE_COUNT, 1,
                                                                                          persistent? STAT_MEM_FREE_AMOUNT:STAT_MEM_EFREE_AMOUNT, free_amount);
        }
        DBG_VOID_RETURN;
}


/* {{{ _mysqlnd_malloc */
void * _mysqlnd_malloc(size_t size MYSQLND_MEM_D)
{
        void *ret;
        zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
#if PHP_DEBUG
        long * threshold = &MYSQLND_G(debug_malloc_fail_threshold);
#endif
        DBG_ENTER(mysqlnd_malloc_name);
#if PHP_DEBUG
        {
                char * fn = strrchr(__zend_filename, PHP_DIR_SEPARATOR);
                DBG_INF_FMT("file=%-15s line=%4d", fn? fn + 1:__zend_filename, __zend_lineno);
        }
#endif

#if PHP_DEBUG
        /* -1 is also "true" */
        if (*threshold) {
#endif
                ret = malloc(REAL_SIZE(size));
#if PHP_DEBUG
                --*threshold;
        } else if (*threshold == 0) {
                ret = NULL;
        }
#endif

        DBG_INF_FMT("size=%lu ptr=%p", size, ret);
        if (ret && collect_memory_statistics) {
                *(size_t *) ret = size;
                MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(STAT_MEM_MALLOC_COUNT, 1, STAT_MEM_MALLOC_AMOUNT, size);
        }
        DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */


/* {{{ _mysqlnd_calloc */
void * _mysqlnd_calloc(unsigned int nmemb, size_t size MYSQLND_MEM_D)
{
        void *ret;
        zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
#if PHP_DEBUG
        long * threshold = &MYSQLND_G(debug_calloc_fail_threshold);
#endif
        DBG_ENTER(mysqlnd_calloc_name);
#if PHP_DEBUG
        {
                char * fn = strrchr(__zend_filename, PHP_DIR_SEPARATOR);
                DBG_INF_FMT("file=%-15s line=%4d", fn? fn + 1:__zend_filename, __zend_lineno);
        }
#endif

#if PHP_DEBUG
        /* -1 is also "true" */
        if (*threshold) {
#endif
                ret = calloc(nmemb, REAL_SIZE(size));
#if PHP_DEBUG
                --*threshold;
        } else if (*threshold == 0) {
                ret = NULL;
        }
#endif

        DBG_INF_FMT("size=%lu ptr=%p", size, ret);
        if (ret && collect_memory_statistics) {
                *(size_t *) ret = size;
                MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(STAT_MEM_CALLOC_COUNT, 1, STAT_MEM_CALLOC_AMOUNT, size);
        }
        DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */


/* {{{ _mysqlnd_realloc */
void * _mysqlnd_realloc(void *ptr, size_t new_size MYSQLND_MEM_D)
{
        void *ret;
        zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
#if PHP_DEBUG
        long * threshold = &MYSQLND_G(debug_realloc_fail_threshold);
#endif
        DBG_ENTER(mysqlnd_realloc_name);
#if PHP_DEBUG
        {
                char * fn = strrchr(__zend_filename, PHP_DIR_SEPARATOR);
                DBG_INF_FMT("file=%-15s line=%4d", fn? fn + 1:__zend_filename, __zend_lineno);
        }
#endif
        DBG_INF_FMT("ptr=%p new_size=%lu ", new_size, ptr); 
        DBG_INF_FMT("before: %lu", zend_memory_usage(TRUE TSRMLS_CC));

#if PHP_DEBUG
        /* -1 is also "true" */
        if (*threshold) {
#endif
                ret = realloc(REAL_PTR(ptr), REAL_SIZE(new_size));
#if PHP_DEBUG
                --*threshold;
        } else if (*threshold == 0) {
                ret = NULL;
        }
#endif

        DBG_INF_FMT("new_ptr=%p", (char*)ret);

        if (ret && collect_memory_statistics) {
                *(size_t *) ret = new_size;
                MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(STAT_MEM_REALLOC_COUNT, 1, STAT_MEM_REALLOC_AMOUNT, new_size);
        }
        DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */


/* {{{ _mysqlnd_free */
void _mysqlnd_free(void *ptr MYSQLND_MEM_D)
{
        size_t free_amount = 0;
        zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
        DBG_ENTER(mysqlnd_free_name);
#if PHP_DEBUG
        {
                char * fn = strrchr(__zend_filename, PHP_DIR_SEPARATOR);
                DBG_INF_FMT("file=%-15s line=%4d", fn? fn + 1:__zend_filename, __zend_lineno);
        }
#endif
        DBG_INF_FMT("ptr=%p", ptr); 

        if (ptr) {
                if (collect_memory_statistics) {
                        free_amount = *(size_t *)(((char*)ptr) - sizeof(size_t));
                        DBG_INF_FMT("ptr=%p size=%u", ((char*)ptr) - sizeof(size_t), (unsigned int) free_amount);
                }
                free(REAL_PTR(ptr));
        }

        if (collect_memory_statistics) {
                MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(STAT_MEM_FREE_COUNT, 1, STAT_MEM_FREE_AMOUNT, free_amount);
        }
        DBG_VOID_RETURN;
}
/* }}} */

#define SMART_STR_START_SIZE 2048
#define SMART_STR_PREALLOC 512
#include "ext/standard/php_smart_str.h"


/* {{{ _mysqlnd_pestrndup */
char * _mysqlnd_pestrndup(const char * const ptr, size_t length, zend_bool persistent MYSQLND_MEM_D)
{
        char * ret;
        zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
        DBG_ENTER(mysqlnd_pestrndup_name);
#if PHP_DEBUG
        {
                char * fn = strrchr(__zend_filename, PHP_DIR_SEPARATOR);
                DBG_INF_FMT("file=%-15s line=%4d", fn? fn + 1:__zend_filename, __zend_lineno);
        }
#endif
        DBG_INF_FMT("ptr=%p", ptr); 

        ret = pemalloc(REAL_SIZE(length) + 1, persistent);
        {
                size_t l = length;
                char * p = (char *) ptr;
                char * dest = (char *) FAKE_PTR(ret);
                while (*p && l--) {
                        *dest++ = *p++;
                }
                *dest = '\0';
        }

        if (collect_memory_statistics) {
                *(size_t *) ret = length;
                MYSQLND_INC_GLOBAL_STATISTIC(persistent? STAT_MEM_STRNDUP_COUNT : STAT_MEM_ESTRNDUP_COUNT);
        }

        DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */


/* {{{ _mysqlnd_pestrdup */
char * _mysqlnd_pestrdup(const char * const ptr, zend_bool persistent MYSQLND_MEM_D)
{
        char * ret;
        smart_str tmp_str = {0, 0, 0};
        const char * p = ptr;
        zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
        DBG_ENTER(mysqlnd_pestrdup_name);
#if PHP_DEBUG
        {
                char * fn = strrchr(__zend_filename, PHP_DIR_SEPARATOR);
                DBG_INF_FMT("file=%-15s line=%4d", fn? fn + 1:__zend_filename, __zend_lineno);
        }
#endif
        DBG_INF_FMT("ptr=%p", ptr);
        do {
                smart_str_appendc(&tmp_str, *p);
        } while (*p++);

        ret = pemalloc(tmp_str.len + sizeof(size_t), persistent);
        memcpy(FAKE_PTR(ret), tmp_str.c, tmp_str.len);

        if (ret && collect_memory_statistics) {
                *(size_t *) ret = tmp_str.len;
                MYSQLND_INC_GLOBAL_STATISTIC(persistent? STAT_MEM_STRDUP_COUNT : STAT_MEM_ESTRDUP_COUNT);
        }
        smart_str_free(&tmp_str);

        DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */


/* {{{ _mysqlnd_sprintf */
PHPAPI int _mysqlnd_sprintf(char ** pbuf, size_t max_len, const char *format, ...)
{
        int len;
        va_list ap;
        va_start(ap, format);
        len = vspprintf(pbuf, max_len, format, ap);
        va_end(ap);
        return len;
}
/* }}} */


/* {{{ _mysqlnd_sprintf_free */
PHPAPI void _mysqlnd_sprintf_free(char * p)
{
        efree(p);
}
/* }}} */


PHPAPI int _mysqlnd_vsprintf(char ** pbuf, size_t max_len, const char * format, va_list ap)
{
        return vspprintf(pbuf, max_len, format, ap);
}
/* }}} */


#define MYSQLND_DEBUG_MEMORY 1

#if MYSQLND_DEBUG_MEMORY == 0

/* {{{ mysqlnd_zend_mm_emalloc */
static void * mysqlnd_zend_mm_emalloc(size_t size MYSQLND_MEM_D)
{
        return emalloc(size);
}
/* }}} */


/* {{{ mysqlnd_zend_mm_pemalloc */
static void * mysqlnd_zend_mm_pemalloc(size_t size, zend_bool persistent MYSQLND_MEM_D)
{
        return pemalloc(size, persistent);
}
/* }}} */


/* {{{ mysqlnd_zend_mm_ecalloc */
static void * mysqlnd_zend_mm_ecalloc(unsigned int nmemb, size_t size MYSQLND_MEM_D)
{
        return ecalloc(nmemb, size);
}
/* }}} */


/* {{{ mysqlnd_zend_mm_pecalloc */
static void * mysqlnd_zend_mm_pecalloc(unsigned int nmemb, size_t size, zend_bool persistent MYSQLND_MEM_D)
{
        return pecalloc(nmemb, size, persistent);
}
/* }}} */


/* {{{ mysqlnd_zend_mm_erealloc */
static void * mysqlnd_zend_mm_erealloc(void *ptr, size_t new_size MYSQLND_MEM_D)
{
        return erealloc(ptr, new_size);
}
/* }}} */


/* {{{ mysqlnd_zend_mm_perealloc */
static void * mysqlnd_zend_mm_perealloc(void *ptr, size_t new_size, zend_bool persistent MYSQLND_MEM_D)
{
        return perealloc(ptr, new_size, persistent);
}
/* }}} */


/* {{{ mysqlnd_zend_mm_efree */
static void mysqlnd_zend_mm_efree(void * ptr MYSQLND_MEM_D)
{
        efree(ptr);
}
/* }}} */


/* {{{ mysqlnd_zend_mm_pefree */
static void mysqlnd_zend_mm_pefree(void * ptr, zend_bool persistent MYSQLND_MEM_D)
{
        pefree(ptr, persistent);
}
/* }}} */


/* {{{ mysqlnd_zend_mm_malloc */
static void * mysqlnd_zend_mm_malloc(size_t size MYSQLND_MEM_D)
{
        return malloc(size);
}
/* }}} */


/* {{{ mysqlnd_zend_mm_calloc */
static void * mysqlnd_zend_mm_calloc(unsigned int nmemb, size_t size MYSQLND_MEM_D)
{
        return calloc(nmemb, size);
}
/* }}} */


/* {{{ mysqlnd_zend_mm_realloc */
static void * mysqlnd_zend_mm_realloc(void * ptr, size_t new_size MYSQLND_MEM_D)
{
        return realloc(ptr, new_size);
}
/* }}} */


/* {{{ mysqlnd_zend_mm_free */
static void mysqlnd_zend_mm_free(void * ptr MYSQLND_MEM_D)
{
        free(ptr);
}
/* }}} */


/* {{{ mysqlnd_zend_mm_pestrndup */
static char * mysqlnd_zend_mm_pestrndup(const char * const ptr, size_t length, zend_bool persistent MYSQLND_MEM_D)
{
        return pestrndup(ptr, length, persistent);
}
/* }}} */


/* {{{ mysqlnd_zend_mm_pestrdup */
static char * mysqlnd_zend_mm_pestrdup(const char * const ptr, zend_bool persistent MYSQLND_MEM_D)
{
        return pestrdup(ptr, persistent);
}
/* }}} */

#endif


PHPAPI struct st_mysqlnd_allocator_methods mysqlnd_allocator = 
{
#if MYSQLND_DEBUG_MEMORY
        _mysqlnd_emalloc,
        _mysqlnd_pemalloc,
        _mysqlnd_ecalloc,
        _mysqlnd_pecalloc,
        _mysqlnd_erealloc,
        _mysqlnd_perealloc,
        _mysqlnd_efree,
        _mysqlnd_pefree,
        _mysqlnd_malloc,
        _mysqlnd_calloc,
        _mysqlnd_realloc,
        _mysqlnd_free,
        _mysqlnd_pestrndup,
        _mysqlnd_pestrdup,
        _mysqlnd_sprintf,
        _mysqlnd_vsprintf,
        _mysqlnd_sprintf_free
#else
        mysqlnd_zend_mm_emalloc,
        mysqlnd_zend_mm_pemalloc,
        mysqlnd_zend_mm_ecalloc,
        mysqlnd_zend_mm_pecalloc,
        mysqlnd_zend_mm_erealloc,
        mysqlnd_zend_mm_perealloc,
        mysqlnd_zend_mm_efree,
        mysqlnd_zend_mm_pefree,
        mysqlnd_zend_mm_malloc,
        mysqlnd_zend_mm_calloc,
        mysqlnd_zend_mm_realloc,
        mysqlnd_zend_mm_free,
        mysqlnd_zend_mm_pestrndup,
        mysqlnd_zend_mm_pestrdup
        sprintf,
        mysqlnd_zend_mm_efree,
#endif
};


/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 * vim600: noet sw=4 ts=4 fdm=marker
 * vim<600: noet sw=4 ts=4
 */

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