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Remove the rarely-used scratch memory allocator. This makes the code smaller,

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faster, and easier to maintain.  In place of the scratch allocator, add the
SQLITE_CONFIG_SMALL_MALLOC configuration option that provides a hint to SQLite
that large memory allocations should be avoided.

FossilOrigin-Name: 54b000246cfb5c7b8adb61a17357ef5a49adddde9e48e8937834d5ba0beb8a6b
This commit is contained in:
drh
2017-08-28 15:51:35 +00:00
parent b3c4523c58
commit b2a0f75c06
19 changed files with 71 additions and 517 deletions
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4
src/global.c
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@@ -199,6 +199,7 @@ SQLITE_WSD struct Sqlite3Config sqlite3Config = {
SQLITE_THREADSAFE==1, /* bFullMutex */
SQLITE_USE_URI, /* bOpenUri */
SQLITE_ALLOW_COVERING_INDEX_SCAN, /* bUseCis */
0, /* bSmallMalloc */
0x7ffffffe, /* mxStrlen */
0, /* neverCorrupt */
SQLITE_DEFAULT_LOOKASIDE, /* szLookaside, nLookaside */
@@ -211,9 +212,6 @@ SQLITE_WSD struct Sqlite3Config sqlite3Config = {
0, 0, /* mnHeap, mxHeap */
SQLITE_DEFAULT_MMAP_SIZE, /* szMmap */
SQLITE_MAX_MMAP_SIZE, /* mxMmap */
(void*)0, /* pScratch */
0, /* szScratch */
0, /* nScratch */
(void*)0, /* pPage */
0, /* szPage */
SQLITE_DEFAULT_PCACHE_INITSZ, /* nPage */