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allow to insert zero-length strings into database 

&b[0] fails with an index out-of-bounds error for a slice with len()==0
This commit is contained in:
Sven Engelhardt 2011-12-02 23:32:38 +01:00
parent fdbb364aba
commit 01566134d1
1 changed files with 8 additions and 3 deletions
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11
sqlite3.go
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@ -154,8 +154,13 @@ func (s *SQLiteStmt) bind(args []interface{}) error {
case nil: case nil:
rv = C.sqlite3_bind_null(s.s, n) rv = C.sqlite3_bind_null(s.s, n)
case string: case string:
b := []byte(v) if len(v) == 0 {
rv = C._sqlite3_bind_text(s.s, n, (*C.char)(unsafe.Pointer(&b[0])), C.int(len(b))) b := []byte{0}
rv = C._sqlite3_bind_text(s.s, n, (*C.char)(unsafe.Pointer(&b[0])), C.int(0))
} else {
b := []byte(v)
rv = C._sqlite3_bind_text(s.s, n, (*C.char)(unsafe.Pointer(&b[0])), C.int(len(b)))
}
case int: case int:
rv = C.sqlite3_bind_int(s.s, n, C.int(v)) rv = C.sqlite3_bind_int(s.s, n, C.int(v))
case int64: case int64:
@ -213,7 +218,7 @@ func (s *SQLiteStmt) Exec(args []interface{}) (driver.Result, error) {
if rv != C.SQLITE_ROW && rv != C.SQLITE_OK && rv != C.SQLITE_DONE { if rv != C.SQLITE_ROW && rv != C.SQLITE_OK && rv != C.SQLITE_DONE {
return nil, errors.New(C.GoString(C.sqlite3_errmsg(s.c.db))) return nil, errors.New(C.GoString(C.sqlite3_errmsg(s.c.db)))
} }
return &SQLiteResult {s}, nil return &SQLiteResult{s}, nil
} }
type SQLiteRows struct { type SQLiteRows struct {