ConfigData: use std::vector for the block_param list

src/ConfigData.cxx

@@ -43,8 +43,6 @@ config_new_param(const char *value, int line)
 
 	ret->line = line;
 
-	ret->num_block_params = 0;
-	ret->block_params = NULL;
 	ret->used = false;
 
 	return ret;
@@ -55,14 +53,11 @@ config_param_free(struct config_param *param)
 {
 	g_free(param->value);
 
-	for (unsigned i = 0; i < param->num_block_params; i++) {
-		g_free(param->block_params[i].name);
-		g_free(param->block_params[i].value);
+	for (auto &i : param->block_params) {
+		g_free(i.name);
+		g_free(i.value);
 	}
 
-	if (param->num_block_params)
-		g_free(param->block_params);
-
 	delete param;
 }
 
@@ -70,18 +65,10 @@ void
 config_add_block_param(struct config_param * param, const char *name,
 		       const char *value, int line)
 {
-	struct block_param *bp;
-
 	assert(config_get_block_param(param, name) == NULL);
 
-	param->num_block_params++;
-
-	param->block_params = (struct block_param *)
-		g_realloc(param->block_params,
-			  param->num_block_params *
-			  sizeof(param->block_params[0]));
-
-	bp = &param->block_params[param->num_block_params - 1];
+	param->block_params.push_back(block_param());
+	struct block_param *bp = &param->block_params.back();
 
 	bp->name = g_strdup(name);
 	bp->value = g_strdup(value);
@@ -95,11 +82,10 @@ config_get_block_param(const struct config_param * param, const char *name)
 	if (param == NULL)
 		return NULL;
 
-	for (unsigned i = 0; i < param->num_block_params; i++) {
-		if (0 == strcmp(name, param->block_params[i].name)) {
-			struct block_param *bp = &param->block_params[i];
-			bp->used = true;
-			return bp;
+	for (auto &i : param->block_params) {
+		if (0 == strcmp(name, i.name)) {
+			i.used = true;
+			return &i;
 		}
 	}
 

src/ConfigData.hxx

@@ -27,6 +27,7 @@
 #ifdef __cplusplus
 #include <glib.h>
 #include <array>
+#include <vector>
 #endif
 
 #include <stdbool.h>
@@ -42,7 +43,7 @@ struct block_param {
 	 * This flag is false when nobody has queried the value of
 	 * this option yet.
 	 */
-	bool used;
+	mutable bool used;
 };
 
 #endif
@@ -51,14 +52,15 @@ struct config_param {
 	char *value;
 	unsigned int line;
 
-	struct block_param *block_params;
-	unsigned num_block_params;
+#ifdef __cplusplus
+	std::vector<block_param> block_params;
 
 	/**
 	 * This flag is false when nobody has queried the value of
 	 * this option yet.
 	 */
 	bool used;
+#endif
 };
 
 #ifdef __cplusplus

src/ConfigGlobal.cxx

@@ -76,12 +76,10 @@ config_param_check(gpointer data, G_GNUC_UNUSED gpointer user_data)
 		   Silently ignore it here. */
 		return;
 
-	for (unsigned i = 0; i < param->num_block_params; i++) {
-		struct block_param *bp = &param->block_params[i];
-
-		if (!bp->used)
+	for (const auto &i : param->block_params) {
+		if (!i.used)
 			g_warning("option '%s' on line %i was not recognized",
-				  bp->name, bp->line);
+				  i.name, i.line);
 	}
 }