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}
else if (state==SQLITE_ROW) {
stmt = dc_sqlite3_prepare(sql, "UPDATE config SET value=? WHERE keyname=?;");
sqlite3_bind_text (stmt, 1, value, -1, SQLITE_STATIC);
sqlite3_bind_text (stmt, 2, key, -1, SQLITE_STATIC);
state = sqlite3_step(stmt);
sqlite3_finalize(stmt);
}
else {
dc_log_error(sql->context, 0, "dc_sqlite3_set_config(): Cannot read value.");
return 0;
}
}
else
{
/* delete key */
stmt = dc_sqlite3_prepare(sql, "DELETE FROM config WHERE keyname=?;");
sqlite3_bind_text (stmt, 1, key, -1, SQLITE_STATIC);
state = sqlite3_step(stmt);
sqlite3_finalize(stmt);
}
if (state != SQLITE_DONE) {
dc_log_error(sql->context, 0, "dc_sqlite3_set_config(): Cannot change value.");
return 0;
}
return 1;
}
char* dc_sqlite3_get_config(dc_sqlite3_t* sql, const char* key, const char* def) /* the returned string must be free()'d, NULL is only returned if def is NULL */
{
sqlite3_stmt* stmt = NULL;
if (!dc_sqlite3_is_open(sql) || key==NULL) {
return dc_strdup_keep_null(def);
}
stmt = dc_sqlite3_prepare(sql, SELECT_v_FROM_config_k_STATEMENT);
sqlite3_bind_text(stmt, 1, key, -1, SQLITE_STATIC);
if (sqlite3_step(stmt)==SQLITE_ROW)
{
const unsigned char* ptr = sqlite3_column_text(stmt, 0); /* Do not pass the pointers returned from sqlite3_column_text(), etc. into sqlite3_free(). */
if (ptr)
{
/* success, fall through below to free objects */
char* ret = dc_strdup((const char*)ptr);
sqlite3_finalize(stmt);
return ret;
}
}
/* return the default value */
sqlite3_finalize(stmt);
return dc_strdup_keep_null(def);
}
int32_t dc_sqlite3_get_config_int(dc_sqlite3_t* sql, const char* key, int32_t def)
{
char* str = dc_sqlite3_get_config(sql, key, NULL);
if (str==NULL) {
return def;
}
int32_t ret = atol(str);
free(str);
return ret;
}
int64_t dc_sqlite3_get_config_int64(dc_sqlite3_t* sql, const char* key, int64_t def)
{
char* str = dc_sqlite3_get_config(sql, key, NULL);
if (str==NULL) {
return def;
}
int64_t ret = 0;
sscanf(str, "%"SCNd64, &ret);
free(str);
return ret;
}
int dc_sqlite3_set_config_int(dc_sqlite3_t* sql, const char* key, int32_t value)
{
char* value_str = dc_mprintf("%i", (int)value);
if (value_str==NULL) {
return 0;
}
int ret = dc_sqlite3_set_config(sql, key, value_str);
free(value_str);
return ret;
}
int dc_sqlite3_set_config_int64(dc_sqlite3_t* sql, const char* key, int64_t value)
{
char* value_str = dc_mprintf("%"PRId64, (long)value);
if (value_str==NULL) {