core: convert filter_constraint_data_to_string to C++

Return an std::string to avoid memory management headaches.

While doing that, convert time.c to C++ so that
format_datetime directly returns an std::string.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2024-02-29 11:31:46 +01:00 committed by Michael Keller
parent 898ecd2df5
commit 2e1d852e36
8 changed files with 29 additions and 32 deletions

View file

@ -957,7 +957,6 @@ static void format_one_filter_constraint(int preset_id, int constraint_id, struc
{
const struct filter_constraint *constraint = filter_preset_constraint(preset_id, constraint_id);
const char *type = filter_constraint_type_to_string(constraint->type);
char *data;
show_utf8(b, "constraint type=", type, "");
if (filter_constraint_has_string_mode(constraint->type)) {
@ -970,9 +969,8 @@ static void format_one_filter_constraint(int preset_id, int constraint_id, struc
}
if (constraint->negate)
put_format(b, " negate");
data = filter_constraint_data_to_string(constraint);
show_utf8(b, " data=", data, "\n");
free(data);
std::string data = filter_constraint_data_to_string(constraint);
show_utf8(b, " data=", data.c_str(), "\n");
}
/*