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check SvPOK before using SvPV

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This commit is contained in:
Kenichi Ishigaki 2012-09-03 04:24:16 +00:00
parent 82c93604ff
commit d0cad62012
1 changed files with 3 additions and 3 deletions
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6
dbdimp.c
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@ -1420,11 +1420,11 @@ HV* sqlite_db_table_column_metadata(pTHX_ SV *dbh, SV *dbname, SV *tablename, SV
HV *metadata = newHV();
/* dbname may be NULL but (table|column)name may not be NULL */
if (!tablename) {
if (!tablename || !SvPOK(tablename)) {
sqlite_error(dbh, -2, "table_column_metadata requires a table name");
return FALSE;
}
if (!columnname) {
if (!columnname || !SvPOK(columnname)) {
sqlite_error(dbh, -2, "table_column_metadata requires a column name");
return FALSE;
}
@ -1432,7 +1432,7 @@ HV* sqlite_db_table_column_metadata(pTHX_ SV *dbh, SV *dbname, SV *tablename, SV
#ifdef SQLITE_ENABLE_COLUMN_METADATA
int rc = sqlite3_table_column_metadata(
imp_dbh->db,
dbname ? SvPV_nolen(dbname) : NULL,
(dbname && SvPOK(dbname)) ? SvPV_nolen(dbname) : NULL,
SvPV_nolen(tablename),
SvPV_nolen(columnname),
&datatype, &collseq, &notnull, &primary, &autoinc);