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Merge the compile-time option introspection interfaces into the trunk.

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FossilOrigin-Name: 9f429434c0404f03a3e5c6741b769afe98a5c6c9
This commit is contained in:
drh
2010-02-23 20:32:15 +00:00
parent 413c3d36a2 dc97a8cdc1
commit 380083ce18
11 changed files with 512 additions and 25 deletions
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src/func.c
+50
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@@ -774,6 +774,52 @@ static void sourceidFunc(
sqlite3_result_text(context, sqlite3_sourceid(), -1, SQLITE_STATIC);
}
/*
** Implementation of the sqlite_compileoption_used() function.
** The result is an integer that identifies if the compiler option
** was used to build SQLite.
*/
#ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS
static void compileoptionusedFunc(
sqlite3_context *context,
int argc,
sqlite3_value **argv
){
const char *zOptName;
assert( argc==1 );
UNUSED_PARAMETER(argc);
/* IMP: R-xxxx This function is an SQL wrapper around the
** sqlite3_compileoption_used() C interface. */
if ( ( sqlite3_value_type(argv[0])==SQLITE_TEXT )
&& ( (zOptName = (const char*)sqlite3_value_text(argv[0]))!=0 )){
sqlite3_result_int(context, sqlite3_compileoption_used(zOptName));
}else{
sqlite3_result_null(context);
}
}
#endif /* SQLITE_OMIT_COMPILEOPTION_DIAGS */
/*
** Implementation of the sqlite_compileoption_get() function.
** The result is a string that identifies the compiler options
** used to build SQLite.
*/
#ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS
static void compileoptiongetFunc(
sqlite3_context *context,
int argc,
sqlite3_value **argv
){
int n;
assert( argc==1 );
UNUSED_PARAMETER(argc);
/* IMP: R-xxxx This function is an SQL wrapper around the
** sqlite3_compileoption_get() C interface. */
n = sqlite3_value_int(argv[0]);
sqlite3_result_text(context, sqlite3_compileoption_get(n), -1, SQLITE_STATIC);
}
#endif /* SQLITE_OMIT_COMPILEOPTION_DIAGS */
/* Array for converting from half-bytes (nybbles) into ASCII hex
** digits. */
static const char hexdigits[] = {
@@ -1505,6 +1551,10 @@ void sqlite3RegisterGlobalFunctions(void){
FUNCTION(nullif, 2, 0, 1, nullifFunc ),
FUNCTION(sqlite_version, 0, 0, 0, versionFunc ),
FUNCTION(sqlite_source_id, 0, 0, 0, sourceidFunc ),
#ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS
FUNCTION(sqlite_compile_option_used,1, 0, 0, compileoptionusedFunc ),
FUNCTION(sqlite_compile_option_get, 1, 0, 0, compileoptiongetFunc ),
#endif /* SQLITE_OMIT_COMPILEOPTION_DIAGS */
FUNCTION(quote, 1, 0, 0, quoteFunc ),
FUNCTION(last_insert_rowid, 0, 0, 0, last_insert_rowid),
FUNCTION(changes, 0, 0, 0, changes ),