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Improvements to the way that OOM errors are processed.

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FossilOrigin-Name: c3ef03478a5788c855b3aef385d43ae7f494f440
This commit is contained in:
drh
2016-02-05 01:55:27 +00:00
parent e514f651d0
commit 4a642b6060
30 changed files with 166 additions and 125 deletions
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8
src/vdbeaux.c
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@@ -1423,7 +1423,6 @@ static void releaseMemArray(Mem *p, int N){
if( p && N ){
Mem *pEnd = &p[N];
sqlite3 *db = p->db;
u8 malloc_failed = db->mallocFailed;
if( db->pnBytesFreed ){
do{
if( p->szMalloc ) sqlite3DbFree(db, p->zMalloc);
@@ -1459,7 +1458,6 @@ static void releaseMemArray(Mem *p, int N){
p->flags = MEM_Undefined;
}while( (++p)<pEnd );
db->mallocFailed = malloc_failed;
}
}
@@ -1520,7 +1518,7 @@ int sqlite3VdbeList(
if( p->rc==SQLITE_NOMEM ){
/* This happens if a malloc() inside a call to sqlite3_column_text() or
** sqlite3_column_text16() failed. */
db->mallocFailed = 1;
sqlite3OomFault(db);
return SQLITE_ERROR;
}
@@ -2711,12 +2709,12 @@ int sqlite3VdbeTransferError(Vdbe *p){
sqlite3 *db = p->db;
int rc = p->rc;
if( p->zErrMsg ){
u8 mallocFailed = db->mallocFailed;
db->bBenignMalloc++;
sqlite3BeginBenignMalloc();
if( db->pErr==0 ) db->pErr = sqlite3ValueNew(db);
sqlite3ValueSetStr(db->pErr, -1, p->zErrMsg, SQLITE_UTF8, SQLITE_TRANSIENT);
sqlite3EndBenignMalloc();
db->mallocFailed = mallocFailed;
db->bBenignMalloc--;
db->errCode = rc;
}else{
sqlite3Error(db, rc);