60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
/*
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** 2008 October 28
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**
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** The author disclaims copyright to this source code. In place of
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** a legal notice, here is a blessing:
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**
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** May you do good and not evil.
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** May you find forgiveness for yourself and forgive others.
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** May you share freely, never taking more than you give.
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**
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*************************************************************************
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**
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** This file contains a no-op memory allocation drivers for use when
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** SQLITE_ZERO_MALLOC is defined. The allocation drivers implemented
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** here always fail. SQLite will not operate with these drivers. These
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** are merely placeholders. Real drivers must be substituted using
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** sqlite3_config() before SQLite will operate.
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*/
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#include "sqliteInt.h"
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/*
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** This version of the memory allocator is the default. It is
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** used when no other memory allocator is specified using compile-time
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** macros.
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*/
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#ifdef SQLITE_ZERO_MALLOC
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/*
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** No-op versions of all memory allocation routines
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*/
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static void *sqlite3MemMalloc(int nByte){ return 0; }
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static void sqlite3MemFree(void *pPrior){ return; }
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static void *sqlite3MemRealloc(void *pPrior, int nByte){ return 0; }
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static int sqlite3MemSize(void *pPrior){ return 0; }
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static int sqlite3MemRoundup(int n){ return n; }
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static int sqlite3MemInit(void *NotUsed){ return SQLITE_OK; }
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static void sqlite3MemShutdown(void *NotUsed){ return; }
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/*
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** This routine is the only routine in this file with external linkage.
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**
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** Populate the low-level memory allocation function pointers in
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** sqlite3GlobalConfig.m with pointers to the routines in this file.
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*/
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void sqlite3MemSetDefault(void){
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static const sqlite3_mem_methods defaultMethods = {
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sqlite3MemMalloc,
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sqlite3MemFree,
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sqlite3MemRealloc,
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sqlite3MemSize,
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sqlite3MemRoundup,
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sqlite3MemInit,
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sqlite3MemShutdown,
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0
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};
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sqlite3_config(SQLITE_CONFIG_MALLOC, &defaultMethods);
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}
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#endif /* SQLITE_ZERO_MALLOC */
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