Add reference to item array parameter

Some config items may refer to other config items values for
transformations.

source/ini-config.c

@@ -28,7 +28,7 @@ void INI_ConfigLoad(INI_ConfigItem item[], const char* config_path) {
 		if (!item[i].type.load) {
 			continue;
 		}
-		item[i].type.load(&item[i], config_path);
+		item[i].type.load(&item[i], config_path, item);
 	}
 }
 
@@ -36,7 +36,7 @@ INI_ConfigSaveResult INI_ConfigSave(INI_ConfigItem item[], const char* config_pa
 	uint8_t i;
 	int32_t problems = 0;
 	for (i = 0; item[i].type.size > 0; i += 1) {
-		int32_t result = item[i].type.save ? item[i].type.save(&item[i], config_path) : 0;
+		int32_t result = item[i].type.save ? item[i].type.save(&item[i], config_path, item) : 0;
 
 		if (result < 0) {
 			problems |= (1 << (int32_t) i);

source/ini-config.h

@@ -29,7 +29,7 @@ struct INI_ConfigItem;
 /**
  * Function for loading a config item value from file to memory.
  */
-typedef void INI_ConfigTypeLoad(struct INI_ConfigItem*, const char*);
+typedef void INI_ConfigTypeLoad(struct INI_ConfigItem*, const char*, void*);
 
 /**
  * Result enum for saving config items.
@@ -49,7 +49,7 @@ typedef enum {
 /**
  * Function for saving a config item value from memory to file.
  */
-typedef INI_ConfigSaveItemResult INI_ConfigTypeSave(struct INI_ConfigItem*, const char*);
+typedef INI_ConfigSaveItemResult INI_ConfigTypeSave(struct INI_ConfigItem*, const char*, void*);
 
 /**
  * Function for retrieving a config item value from the command-line to memory.

source/types/int.c

@@ -3,9 +3,9 @@
 #define INI_CONFIG_IMPLEMENT_INT_TYPE(ID, T) \
 typedef bool INI_ConfigValidate##ID(T); \
  \
-typedef T INI_ConfigDeserialize##ID(const char*); \
+typedef T INI_ConfigDeserialize##ID(const char*, void*); \
  \
-typedef void INI_ConfigSerialize##ID(T, const char[128]); \
+typedef void INI_ConfigSerialize##ID(T, const char[128], void*); \
  \
 void INI_ConfigEnsureValid##ID(INI_ConfigItem* item, T raw_value, T default_value) { \
 	T* dest = item->dest; \
@@ -21,7 +21,7 @@ void INI_ConfigEnsureValid##ID(INI_ConfigItem* item, T raw_value, T default_valu
 	*dest = raw_value; \
 } \
  \
-void INI_ConfigLoad##ID(INI_ConfigItem* item, const char* config_path) { \
+void INI_ConfigLoad##ID(INI_ConfigItem* item, const char* config_path, void* item_array) { \
 	static T raw_value; \
 	static T default_value; \
 	default_value = *((T*) item->default_value); \
@@ -30,18 +30,18 @@ void INI_ConfigLoad##ID(INI_ConfigItem* item, const char* config_path) { \
 		INI_ConfigSerialize##ID* serialize = item->transformer.serialize; \
 		const char serialized_default_value[128]; \
 		if (default_value) { \
-			serialize(default_value, serialized_default_value); \
+			serialize(default_value, serialized_default_value, item_array); \
 		} \
 		char buffer[128]; \
 		ini_gets(item->section, item->key, serialized_default_value, buffer, 128, config_path); \
-		raw_value = deserialize(buffer); \
+		raw_value = deserialize(buffer, item_array); \
 	} else { \
 		raw_value = ini_getl(item->section, item->key, default_value, config_path); \
 	} \
 	INI_ConfigEnsureValid##ID(item, raw_value, default_value); \
 } \
  \
-INI_ConfigSaveItemResult INI_ConfigSave##ID(INI_ConfigItem* item, const char* config_path) { \
+INI_ConfigSaveItemResult INI_ConfigSave##ID(INI_ConfigItem* item, const char* config_path, void* item_array) { \
 	T dest = *((T*) item->dest); \
 	if (item->validator) { \
 		INI_ConfigValidate##ID* validate = item->validator; \
@@ -53,7 +53,7 @@ INI_ConfigSaveItemResult INI_ConfigSave##ID(INI_ConfigItem* item, const char* co
 	if (item->transformer.deserialize && item->transformer.serialize) { \
 		INI_ConfigSerialize##ID* serialize = item->transformer.serialize; \
 		const char serialized_value[128]; \
-		serialize(dest, serialized_value); \
+		serialize(dest, serialized_value, item_array); \
 		if (!ini_puts(item->section, item->key, serialized_value, config_path)) { \
 			return -1; \
 		} \

source/types/string.c

@@ -15,13 +15,13 @@ void INI_ConfigEnsureValidString(INI_ConfigItem* item, const char* buffer) {
 	memcpy(item->dest, buffer, item->type.size);
 }
 
-void INI_ConfigLoadString(INI_ConfigItem* item, const char* config_path) {
+void INI_ConfigLoadString(INI_ConfigItem* item, const char* config_path, void* item_array) {
 	char buffer[item->type.size];
 	ini_gets(item->section, item->key, item->default_value, buffer, (int32_t) item->type.size, config_path);
 	INI_ConfigEnsureValidString(item, buffer);
 }
 
-INI_ConfigSaveItemResult INI_ConfigSaveString(INI_ConfigItem* item, const char* config_path) {
+INI_ConfigSaveItemResult INI_ConfigSaveString(INI_ConfigItem* item, const char* config_path, void* item_array) {
 	const char* dest = (const char*) item->dest;
 	if (item->validator) {
 		INI_ConfigLoadParamsStringValidator* validator = item->validator;