C++ (Cpp) PQescapeBytea Examples

Example #1

File: adapter_binary.c Project: psycopg/psycopg2

static unsigned char *
binary_escape(unsigned char *from, size_t from_length,
               size_t *to_length, PGconn *conn)
{
    if (conn)
        return PQescapeByteaConn(conn, from, from_length, to_length);
    else
        return PQescapeBytea(from, from_length, to_length);
}

Example #2

File: adapter_binary.c Project: LauraJUK/For-The-Vin

static unsigned char *
binary_escape(unsigned char *from, size_t from_length,
               size_t *to_length, PGconn *conn)
{
#if PG_VERSION_HEX >= 0x080104
    if (conn)
        return PQescapeByteaConn(conn, from, from_length, to_length);
    else
#endif
        return PQescapeBytea(from, from_length, to_length);
}

Example #3

File: postgresql_connection.cpp Project: n9yty/livecode

bool queryCallback(void *p_context, int p_placeholder, DBBuffer &p_output)
{
    QueryMetadata *t_query_metadata;
    t_query_metadata = (QueryMetadata *)p_context;

    DBString t_parameter_value;
    t_parameter_value = t_query_metadata -> arguments[p_placeholder - 1];

    void *t_escaped_string;
    t_escaped_string = NULL;

    size_t t_escaped_string_length;
    t_escaped_string_length = 0;

    if (t_parameter_value . isbinary)
    {
        t_escaped_string = PQescapeBytea((const unsigned char *)t_parameter_value . sptr, t_parameter_value . length, &t_escaped_string_length);
        if (t_escaped_string == NULL)
            return false;

        // PQescapeBytea appends an extra null char to the end of the escaped string, disregard this.
        t_escaped_string_length--;
    }
    else
    {
        if (t_parameter_value . length != 0)
        {
            t_escaped_string = malloc((t_parameter_value . length * 2) + 1);
            t_escaped_string_length = PQescapeString((char *)t_escaped_string, t_parameter_value . sptr, t_parameter_value . length);
        }
    }

    p_output . ensure(t_escaped_string_length + 2);
    memcpy(p_output . getFrontier(), "'", 1);
    p_output . advance(1);

    if (t_escaped_string != NULL)
    {
        memcpy(p_output . getFrontier(), t_escaped_string, t_escaped_string_length);
        p_output . advance(t_escaped_string_length);
    }

    memcpy(p_output . getFrontier(), "'", 1);
    p_output . advance(1);

    if (t_parameter_value . isbinary)
        PQfreemem(t_escaped_string);
    else
        free(t_escaped_string);

    return true;
}

Example #4

File: psql.cpp Project: Akheon23/chromecast-mirrored-source.vendor

int main(int, char **)
{
    PQescapeBytea(0, 0, 0);
    PQunescapeBytea(0, 0);
    return 0;
}