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| 1 /* | |
| 2 ** 2008 October 28 | |
| 3 ** | |
| 4 ** The author disclaims copyright to this source code. In place of | |
| 5 ** a legal notice, here is a blessing: | |
| 6 ** | |
| 7 ** May you do good and not evil. | |
| 8 ** May you find forgiveness for yourself and forgive others. | |
| 9 ** May you share freely, never taking more than you give. | |
| 10 ** | |
| 11 ************************************************************************* | |
| 12 ** | |
| 13 ** This file contains a no-op memory allocation drivers for use when | |
| 14 ** SQLITE_ZERO_MALLOC is defined. The allocation drivers implemented | |
| 15 ** here always fail. SQLite will not operate with these drivers. These | |
| 16 ** are merely placeholders. Real drivers must be substituted using | |
| 17 ** sqlite3_config() before SQLite will operate. | |
| 18 */ | |
| 19 #include "sqliteInt.h" | |
| 20 | |
| 21 /* | |
| 22 ** This version of the memory allocator is the default. It is | |
| 23 ** used when no other memory allocator is specified using compile-time | |
| 24 ** macros. | |
| 25 */ | |
| 26 #ifdef SQLITE_ZERO_MALLOC | |
| 27 | |
| 28 /* | |
| 29 ** No-op versions of all memory allocation routines | |
| 30 */ | |
| 31 static void *sqlite3MemMalloc(int nByte){ return 0; } | |
| 32 static void sqlite3MemFree(void *pPrior){ return; } | |
| 33 static void *sqlite3MemRealloc(void *pPrior, int nByte){ return 0; } | |
| 34 static int sqlite3MemSize(void *pPrior){ return 0; } | |
| 35 static int sqlite3MemRoundup(int n){ return n; } | |
| 36 static int sqlite3MemInit(void *NotUsed){ return SQLITE_OK; } | |
| 37 static void sqlite3MemShutdown(void *NotUsed){ return; } | |
| 38 | |
| 39 /* | |
| 40 ** This routine is the only routine in this file with external linkage. | |
| 41 ** | |
| 42 ** Populate the low-level memory allocation function pointers in | |
| 43 ** sqlite3GlobalConfig.m with pointers to the routines in this file. | |
| 44 */ | |
| 45 void sqlite3MemSetDefault(void){ | |
| 46 static const sqlite3_mem_methods defaultMethods = { | |
| 47 sqlite3MemMalloc, | |
| 48 sqlite3MemFree, | |
| 49 sqlite3MemRealloc, | |
| 50 sqlite3MemSize, | |
| 51 sqlite3MemRoundup, | |
| 52 sqlite3MemInit, | |
| 53 sqlite3MemShutdown, | |
| 54 0 | |
| 55 }; | |
| 56 sqlite3_config(SQLITE_CONFIG_MALLOC, &defaultMethods); | |
| 57 } | |
| 58 | |
| 59 #endif /* SQLITE_ZERO_MALLOC */ | |
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Chromium Code Reviews
Issue 2363173002:
[sqlite] Remove obsolete reference version 3.8.7.4. (Closed)
