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Change the name ZERO_DAMAGE to the more descriptive POWERSAFE_OVERWRITE.

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The query parameter used to control this device characteristic is now "psow".

FossilOrigin-Name: 6191c5e45175f5c6040e891843b0725a929d6dd7
This commit is contained in:
drh
2011-12-23 01:04:17 +00:00
parent bec7c97899
commit cb15f35f3b
13 changed files with 137 additions and 117 deletions
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12
src/os_win.c
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@@ -78,7 +78,7 @@ struct winFile {
** Allowed values for winFile.ctrlFlags
*/
#define WINFILE_PERSIST_WAL 0x04 /* Persistent WAL mode */
#define WINFILE_ZERO_DAMAGE 0x10 /* True if SQLITE_IOCAP_ZERO_DAMAGE */
#define WINFILE_PSOW 0x10 /* SQLITE_IOCAP_POWERSAFE_OVERWRITE */
/*
* If compiled with SQLITE_WIN32_MALLOC on Windows, we will use the
@@ -2185,8 +2185,8 @@ static int winFileControl(sqlite3_file *id, int op, void *pArg){
winModeBit(pFile, WINFILE_PERSIST_WAL, (int*)pArg);
return SQLITE_OK;
}
case SQLITE_FCNTL_ZERO_DAMAGE: {
winModeBit(pFile, WINFILE_ZERO_DAMAGE, (int*)pArg);
case SQLITE_FCNTL_POWERSAFE_OVERWRITE: {
winModeBit(pFile, WINFILE_PSOW, (int*)pArg);
return SQLITE_OK;
}
case SQLITE_FCNTL_VFSNAME: {
@@ -2235,7 +2235,7 @@ static int winSectorSize(sqlite3_file *id){
static int winDeviceCharacteristics(sqlite3_file *id){
winFile *p = (winFile*)id;
return SQLITE_IOCAP_UNDELETABLE_WHEN_OPEN |
((p->ctrlFlags & WINFILE_ZERO_DAMAGE)?SQLITE_IOCAP_ZERO_DAMAGE:0);
((p->ctrlFlags & WINFILE_PSOW)?SQLITE_IOCAP_POWERSAFE_OVERWRITE:0);
}
#ifndef SQLITE_OMIT_WAL
@@ -3200,8 +3200,8 @@ static int winOpen(
pFile->pVfs = pVfs;
pFile->pShm = 0;
pFile->zPath = zName;
if( sqlite3_uri_boolean(zName, "zero_damage", 1) ){
pFile->ctrlFlags |= WINFILE_ZERO_DAMAGE;
if( sqlite3_uri_boolean(zName, "psow", SQLITE_POWERSAFE_OVERWRITE) ){
pFile->ctrlFlags |= WINFILE_PSOW;
}
pFile->sectorSize = getSectorSize(pVfs, zUtf8Name);