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Bring the documentation and implementation of sqlite3_uri_boolean() into

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closer agreement.  Ticket [5f41597f7c9c]

FossilOrigin-Name: 7b053d699ffa1da9c50f1a19edb052c0f014058a
This commit is contained in:
drh
2012-01-30 18:40:55 +00:00
parent caffb1a532
commit 908c005c72
4 changed files with 19 additions and 18 deletions
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13
src/pragma.c
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@@ -16,14 +16,15 @@
/*
** Interpret the given string as a safety level. Return 0 for OFF,
** 1 for ON or NORMAL and 2 for FULL. Return 1 for an empty or
** unrecognized string argument.
** unrecognized string argument. The FULL option is disallowed
** if the omitFull parameter it 1.
**
** Note that the values returned are one less that the values that
** should be passed into sqlite3BtreeSetSafetyLevel(). The is done
** to support legacy SQL code. The safety level used to be boolean
** and older scripts may have used numbers 0 for OFF and 1 for ON.
*/
static u8 getSafetyLevel(const char *z){
static u8 getSafetyLevel(const char *z, int omitFull, int dflt){
/* 123456789 123456789 */
static const char zText[] = "onoffalseyestruefull";
static const u8 iOffset[] = {0, 1, 2, 4, 9, 12, 16};
@@ -34,19 +35,19 @@ static u8 getSafetyLevel(const char *z){
return (u8)sqlite3Atoi(z);
}
n = sqlite3Strlen30(z);
for(i=0; i<ArraySize(iLength); i++){
for(i=0; i<ArraySize(iLength)-omitFull; i++){
if( iLength[i]==n && sqlite3StrNICmp(&zText[iOffset[i]],z,n)==0 ){
return iValue[i];
}
}
return 1;
return dflt;
}
/*
** Interpret the given string as a boolean value.
*/
u8 sqlite3GetBoolean(const char *z){
return getSafetyLevel(z)&1;
return getSafetyLevel(z,1,0)!=0;
}
/* The sqlite3GetBoolean() function is used by other modules but the
@@ -841,7 +842,7 @@ void sqlite3Pragma(
sqlite3ErrorMsg(pParse,
"Safety level may not be changed inside a transaction");
}else{
pDb->safety_level = getSafetyLevel(zRight)+1;
pDb->safety_level = getSafetyLevel(zRight,0,1)+1;
}
}
}else