extract read_faction and test that it repairs bad names

src/kernel/save.c

@@ -1348,7 +1348,7 @@ void _test_write_password(gamedata *data, const faction *f) {
  * This function requires no context, can be called in any state. The
  * faction may not already exist, however.
  */
-faction *readfaction(struct gamedata * data)
+faction *read_faction(struct gamedata * data)
 {
     ally **sfp;
     int planes, n;
@@ -1363,10 +1363,11 @@ faction *readfaction(struct gamedata * data)
         f->no = n;
     }
     else {
-        f->allies = NULL;           /* mem leak */
+        f->allies = NULL;           /* FIXME: mem leak */
-        while (f->attribs)
+        while (f->attribs) {
             a_remove(&f->attribs, f->attribs);
         }
+    }
     READ_INT(data->store, &f->subscription);
 
     if (data->version >= SPELL_LEVEL_VERSION) {
@@ -1499,7 +1500,7 @@ faction *readfaction(struct gamedata * data)
     return f;
 }
 
-void writefaction(struct gamedata *data, const faction * f)
+void write_faction(struct gamedata *data, const faction * f)
 {
     ally *sf;
     ursprung *ur;
@@ -1781,11 +1782,12 @@ int read_game(gamedata *data) {
     READ_INT(store, &nread);
     log_debug(" - Einzulesende Parteien: %d\n", nread);
     fp = &factions;
-    while (*fp)
+    while (*fp) {
         fp = &(*fp)->next;
+    }
 
     while (--nread >= 0) {
-        faction *f = readfaction(data);
+        faction *f = read_faction(data);
 
         *fp = f;
         fp = &f->next;
@@ -2010,7 +2012,7 @@ int write_game(gamedata *data) {
         if (fval(f, FFL_NPC)) {
             clear_npc_orders(f);
         }
-        writefaction(data, f);
+        write_faction(data, f);
         WRITE_SECTION(store);
     }
 

src/kernel/save.h

@@ -60,6 +60,9 @@ extern "C" {
     void write_unit(struct gamedata *data, const struct unit *u);
     struct unit *read_unit(struct gamedata *data);
     
+    void write_faction(struct gamedata *data, const struct faction *f);
+    struct faction *read_faction(struct gamedata *data);
+
     void write_building(struct gamedata *data, const struct building *b);
     struct building *read_building(struct gamedata *data);
 

src/kernel/save.test.c

@@ -82,6 +82,35 @@ static void test_readwrite_unit(CuTest * tc)
     test_cleanup();
 }
 
+static void test_readwrite_faction(CuTest * tc)
+{
+    gamedata data;
+    storage store;
+    faction *f;
+
+    test_setup();
+    f = test_create_faction(0);
+    free(f->name);
+    f->name = _strdup("  Hodor  ");
+    CuAssertStrEquals(tc, "  Hodor  ", f->name);
+    mstream_init(&data.strm);
+    gamedata_init(&data, &store, RELEASE_VERSION);
+    write_faction(&data, f);
+    
+    data.strm.api->rewind(data.strm.handle);
+    free_gamedata();
+    gamedata_init(&data, &store, RELEASE_VERSION);
+    f = read_faction(&data);
+    CuAssertPtrNotNull(tc, f);
+    CuAssertStrEquals(tc, "Hodor", f->name);
+    CuAssertPtrEquals(tc, 0, f->units);
+    factions = f;
+
+    mstream_done(&data.strm);
+    gamedata_done(&data);
+    test_cleanup();
+}
+
 static void test_readwrite_building(CuTest * tc)
 {
     gamedata data;
@@ -397,6 +426,7 @@ CuSuite *get_save_suite(void)
     SUITE_ADD_TEST(suite, test_readwrite_attrib);
     SUITE_ADD_TEST(suite, test_readwrite_data);
     SUITE_ADD_TEST(suite, test_readwrite_unit);
+    SUITE_ADD_TEST(suite, test_readwrite_faction);
     SUITE_ADD_TEST(suite, test_readwrite_building);
     SUITE_ADD_TEST(suite, test_readwrite_ship);
     SUITE_ADD_TEST(suite, test_readwrite_dead_faction_createunit);