fix reading and writing curses from test (crash)

fix read_game/write_game incomaptibility.

src/eressea.c

@@ -49,7 +49,7 @@ void game_done(void)
     calendar_cleanup();
 #endif
     free_functions();
-    free_curses();
+    curses_done();
     kernel_done();
 }
 

src/kernel/curse.c

@@ -74,17 +74,19 @@ void c_clearflag(curse * c, unsigned int flags)
 
 void chash(curse * c)
 {
-    curse *old = cursehash[c->no % MAXENTITYHASH];
+    int i = c->no % MAXENTITYHASH;
 
-    cursehash[c->no % MAXENTITYHASH] = c;
-    c->nexthash = old;
+    c->nexthash = cursehash[i];
+    cursehash[i] = c;
+    assert(c->nexthash != c);
 }
 
 static void cunhash(curse * c)
 {
     curse **show;
+    int i = c->no % MAXENTITYHASH;
 
-    for (show = &cursehash[c->no % MAXENTITYHASH]; *show;
+    for (show = &cursehash[i]; *show;
         show = &(*show)->nexthash) {
         if ((*show)->no == c->no)
             break;
@@ -195,6 +197,7 @@ int curse_read(attrib * a, void *owner, gamedata *data)
     int flags;
     float flt;
 
+    assert(!c->no);
     READ_INT(store, &c->no);
     chash(c);
     READ_TOK(store, cursename, sizeof(cursename));
@@ -824,7 +827,7 @@ double destr_curse(curse * c, int cast_level, double force)
     return force;
 }
 
-void free_curses(void) {
+void curses_done(void) {
     int i;
     for (i = 0; i != MAXCTHASH; ++i) {
         ql_free(cursetypes[i]);

src/kernel/curse.h

@@ -216,7 +216,7 @@ extern "C" {
         int duration;               /* Dauer der Verzauberung. Wird jede Runde vermindert */
     } curse;
 
-    void free_curses(void); /* de-register all curse-types */
+    void curses_done(void); /* de-register all curse-types */
 
     void curse_write(const struct attrib *a, const void *owner,
         struct storage *store);

src/kernel/curse.test.c

@@ -2,6 +2,7 @@
 
 #include <kernel/config.h>
 #include <kernel/region.h>
+#include <kernel/save.h>
 #include <kernel/unit.h>
 #include <kernel/version.h>
 #include <util/attrib.h>
@@ -53,6 +54,11 @@ static void setup_curse(curse_fixture *fix, const char *name) {
     fix->c = create_curse(fix->u, &fix->r->attribs, ct_find(name), 1.0, 1, 1.0, 0);
 }
 
+static void cleanup_curse(curse_fixture *fix) {
+    // destroy_curse(fix->c);
+    test_cleanup();
+}
+
 static void test_magicstreet(CuTest *tc) {
     curse_fixture fix;
     message *msg;
@@ -61,7 +67,7 @@ static void test_magicstreet(CuTest *tc) {
     msg = fix.c->type->curseinfo(fix.r, TYP_REGION, fix.c, 0);
     CuAssertStrEquals(tc, "curseinfo::magicstreet", test_get_messagetype(msg));
     msg_release(msg);
-    test_cleanup();
+    cleanup_curse(&fix);
 }
 
 static void test_magicstreet_warning(CuTest *tc) {
@@ -72,7 +78,7 @@ static void test_magicstreet_warning(CuTest *tc) {
     msg = fix.c->type->curseinfo(fix.r, TYP_REGION, fix.c, 0);
     CuAssertStrEquals(tc, "curseinfo::magicstreetwarn", test_get_messagetype(msg));
     msg_release(msg);
-    test_cleanup();
+    cleanup_curse(&fix);
 }
 
 static void test_good_dreams(CuTest *tc) {
@@ -83,7 +89,7 @@ static void test_good_dreams(CuTest *tc) {
     msg = fix.c->type->curseinfo(fix.r, TYP_REGION, fix.c, 0);
     CuAssertStrEquals(tc, "curseinfo::gooddream", test_get_messagetype(msg));
     msg_release(msg);
-    test_cleanup();
+    cleanup_curse(&fix);
 }
 
 static void test_bad_dreams(CuTest *tc) {
@@ -94,7 +100,7 @@ static void test_bad_dreams(CuTest *tc) {
     msg = fix.c->type->curseinfo(fix.r, TYP_REGION, fix.c, 0);
     CuAssertStrEquals(tc, "curseinfo::baddream", test_get_messagetype(msg));
     msg_release(msg);
-    test_cleanup();
+    cleanup_curse(&fix);
 }
 
 static void test_memstream(CuTest *tc) {
@@ -125,20 +131,31 @@ static void test_write_flag(CuTest *tc) {
     curse_fixture fix;
     gamedata data;
     storage store;
+    region * r;
+    curse * c;
+    int uid;
 
     mstream_init(&data.strm);
     gamedata_init(&data, &store, RELEASE_VERSION);
 
     setup_curse(&fix, "gbdream");
-    fix.c->flags = 42 | CURSE_ISNEW;
-    curse_write(fix.r->attribs, fix.r, &store);
+    c = fix.c;
+    r = fix.r;
+    uid = r->uid;
+    c->flags = CURSE_ISNEW;
+    write_game(&data);
+    free_gamedata();
     data.strm.api->rewind(data.strm.handle);
-    curse_read(fix.r->attribs, fix.r, &data);
-    CuAssertIntEquals(tc, 42 | CURSE_ISNEW, ((curse *) fix.r->attribs->data.v)->flags);
+    read_game(&data);
+    r = findregionbyid(uid);
+    CuAssertPtrNotNull(tc, r);
+    CuAssertPtrNotNull(tc, r->attribs);
+    c = (curse *)r->attribs->data.v;
+    CuAssertIntEquals(tc, CURSE_ISNEW, c->flags);
 
     mstream_done(&data.strm);
     gamedata_done(&data);
-    test_cleanup();
+    cleanup_curse(&fix);
 }
 
 CuSuite *get_curse_suite(void)

src/kernel/save.c

@@ -1842,6 +1842,7 @@ int writegame(const char *filename)
     fstream_init(&strm, F);
     binstore_init(&store, &strm);
 
+    WRITE_INT(&store, VERSION_BUILD);
     n = write_game(&gdata);
     binstore_done(&store);
     fstream_done(&strm);
@@ -1875,7 +1876,6 @@ int write_game(gamedata *data) {
     /* globale Variablen */
     assert(data->version <= MAX_VERSION && data->version >= MIN_VERSION);
 
-    WRITE_INT(store, VERSION_BUILD);
     WRITE_INT(store, game_id());
     WRITE_SECTION(store);
 

src/kernel/save.test.c

@@ -107,6 +107,11 @@ static void test_readwrite_dead_faction_group(CuTest *tc) {
     group *g;
     ally *al;
     int fno;
+    gamedata data;
+    storage store;
+
+    mstream_init(&data.strm);
+    gamedata_init(&data, &store, RELEASE_VERSION);
 
     test_cleanup();
     f = test_create_faction(0);
@@ -126,10 +131,11 @@ static void test_readwrite_dead_faction_group(CuTest *tc) {
     destroyfaction(&factions);
     CuAssertTrue(tc, !f->_alive);
     CuAssertPtrEquals(tc, f2, factions);
-    writegame("test.dat");
+    write_game(&data);
     free_gamedata();
     f = f2 = NULL;
-    readgame("test.dat", false);
+    data.strm.api->rewind(data.strm.handle);
+    read_game(&data);
     CuAssertPtrEquals(tc, 0, findfaction(fno));
     f2 = factions;
     CuAssertPtrNotNull(tc, f2);
@@ -138,6 +144,8 @@ static void test_readwrite_dead_faction_group(CuTest *tc) {
     g = get_group(u);
     CuAssertPtrNotNull(tc, g);
     CuAssertPtrEquals(tc, 0, g->allies);
+    mstream_done(&data.strm);
+    gamedata_done(&data);
     test_cleanup();
 }