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Minor simplifications to SQL function implementations. (CVS 6231)

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FossilOrigin-Name: 92e5c27f20f150c1777c1b91d35207ade961319d
This commit is contained in:
drh
2009-02-02 17:29:59 +00:00
parent 65595cd60b
commit a0df4ccfe3
3 changed files with 15 additions and 15 deletions
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16
src/func.c
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@@ -16,7 +16,7 @@
** sqliteRegisterBuildinFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: func.c,v 1.216 2009/02/02 16:32:55 drh Exp $
** $Id: func.c,v 1.217 2009/02/02 17:30:00 drh Exp $
*/
#include "sqliteInt.h"
#include <stdlib.h>
@@ -286,7 +286,6 @@ static void upperFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
char *z1;
const char *z2;
int i, n;
if( argc<1 || SQLITE_NULL==sqlite3_value_type(argv[0]) ) return;
z2 = (char*)sqlite3_value_text(argv[0]);
n = sqlite3_value_bytes(argv[0]);
/* Verify that the call to _bytes() does not invalidate the _text() pointer */
@@ -306,7 +305,6 @@ static void lowerFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
u8 *z1;
const char *z2;
int i, n;
if( argc<1 || SQLITE_NULL==sqlite3_value_type(argv[0]) ) return;
z2 = (char*)sqlite3_value_text(argv[0]);
n = sqlite3_value_bytes(argv[0]);
/* Verify that the call to _bytes() does not invalidate the _text() pointer */
@@ -707,12 +705,8 @@ static const char hexdigits[] = {
** single-quote escapes.
*/
static void quoteFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
if( argc<1 ) return;
assert( argc==1 );
switch( sqlite3_value_type(argv[0]) ){
case SQLITE_NULL: {
sqlite3_result_text(context, "NULL", 4, SQLITE_STATIC);
break;
}
case SQLITE_INTEGER:
case SQLITE_FLOAT: {
sqlite3_result_value(context, argv[0]);
@@ -760,6 +754,12 @@ static void quoteFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
z[j] = 0;
sqlite3_result_text(context, z, j, sqlite3_free);
}
break;
}
default: {
assert( sqlite3_value_type(argv[0])==SQLITE_NULL );
sqlite3_result_text(context, "NULL", 4, SQLITE_STATIC);
break;
}
}
}