From dd2f146e274d6f2e3ce2bfaee2bfa6cb49628962 Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno.rehling@gmail.com>
Date: Wed, 7 Sep 2016 17:09:37 +0100
Subject: [PATCH 01/12] fix equipment static memory leak

---
 src/kernel/config.c    |  2 ++
 src/kernel/equipment.c | 12 ++++++++++++
 src/kernel/equipment.h |  1 +
 3 files changed, 15 insertions(+)

diff --git a/src/kernel/config.c b/src/kernel/config.c
index 4758b36c8..7fae8df23 100644
--- a/src/kernel/config.c
+++ b/src/kernel/config.c
@@ -31,6 +31,7 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include "building.h"
 #include "calendar.h"
 #include "direction.h"
+#include "equipment.h"
 #include "faction.h"
 #include "group.h"
 #include "item.h"
@@ -1079,6 +1080,7 @@ void free_gamedata(void)
 {
     int i;
     free_donations();
+    free_equipment();
 
     for (i = 0; i != MAXLOCALES; ++i) {
         if (defaults[i]) {
diff --git a/src/kernel/equipment.c b/src/kernel/equipment.c
index 1511e2865..f5bd2fd29 100644
--- a/src/kernel/equipment.c
+++ b/src/kernel/equipment.c
@@ -223,3 +223,15 @@ void equip_items(struct item **items, const struct equipment *eq)
         }
     }
 }
+
+void free_equipment(void) {
+    equipment **eqp = &equipment_sets;
+    while (*eqp) {
+        equipment *eq = *eqp;
+        *eqp = eq->next;
+        free(eq->name);
+        spellbook_clear(eq->spellbook);
+        // TODO: items, subsets
+        free(eq);
+    }
+}
diff --git a/src/kernel/equipment.h b/src/kernel/equipment.h
index 0bda6dc7d..1ce454111 100644
--- a/src/kernel/equipment.h
+++ b/src/kernel/equipment.h
@@ -75,6 +75,7 @@ extern "C" {
         int mask);
     void equip_items(struct item **items, const struct equipment *eq);
 
+    void free_equipment(void);
 #ifdef __cplusplus
 }
 #endif

From 282cc129d738a75bbdb6e2406e107558328bba2a Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno.rehling@gmail.com>
Date: Wed, 7 Sep 2016 19:02:03 +0200
Subject: [PATCH 02/12] spellbook_clear crash fix

---
 src/kernel/equipment.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/kernel/equipment.c b/src/kernel/equipment.c
index f5bd2fd29..7d69f26d8 100644
--- a/src/kernel/equipment.c
+++ b/src/kernel/equipment.c
@@ -230,7 +230,9 @@ void free_equipment(void) {
         equipment *eq = *eqp;
         *eqp = eq->next;
         free(eq->name);
-        spellbook_clear(eq->spellbook);
+        if (eq->spellbook) {
+            spellbook_clear(eq->spellbook);
+        }
         // TODO: items, subsets
         free(eq);
     }

From c8283060f92bd82f9f427c77236923261966c0ce Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno.rehling@gmail.com>
Date: Wed, 7 Sep 2016 19:04:42 +0200
Subject: [PATCH 03/12] test_setup/cleanup for equipment.test

---
 src/kernel/equipment.test.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/kernel/equipment.test.c b/src/kernel/equipment.test.c
index f0543ad8c..490a44a78 100644
--- a/src/kernel/equipment.test.c
+++ b/src/kernel/equipment.test.c
@@ -20,7 +20,7 @@ void test_equipment(CuTest * tc)
     spell *sp;
     sc_mage * mage;
 
-    test_cleanup();
+    test_setup();
     test_create_race("human");
     enable_skill(SK_MAGIC, true);
     it_horses = test_create_itemtype("horse");
@@ -36,7 +36,7 @@ void test_equipment(CuTest * tc)
     equipment_setskill(eq, SK_MAGIC, "5");
     equipment_addspell(eq, sp, 1);
 
-    u = test_create_unit(test_create_faction(0), 0);
+    u = test_create_unit(test_create_faction(0), test_create_region(0, 0, 0));
     equip_unit_mask(u, eq, EQUIP_ALL);
     CuAssertIntEquals(tc, 1, i_get(u->items, it_horses));
     CuAssertIntEquals(tc, 5, get_level(u, SK_MAGIC));
@@ -45,6 +45,7 @@ void test_equipment(CuTest * tc)
     CuAssertPtrNotNull(tc, mage);
     CuAssertPtrNotNull(tc, mage->spellbook);
     CuAssertTrue(tc, u_hasspell(u, sp));
+    test_cleanup();
 }
 
 CuSuite *get_equipment_suite(void)

From dda845e2f454a0dcdb39898373cf4ce7008519e2 Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno.rehling@gmail.com>
Date: Wed, 7 Sep 2016 20:46:41 +0200
Subject: [PATCH 04/12] free configuration data (valgrind calls it
 still-reachable leaks).

---
 src/eressea.c          | 19 +++++++++++++------
 src/kernel/config.c    |  9 ++++-----
 src/kernel/equipment.c |  2 +-
 src/kernel/equipment.h |  3 ++-
 src/report.c           |  7 -------
 src/reports.c          |  9 +++++++++
 src/reports.h          |  4 ++--
 src/util/message.c     | 11 ++++++++++-
 src/util/message.h     |  4 +++-
 9 files changed, 44 insertions(+), 24 deletions(-)

diff --git a/src/eressea.c b/src/eressea.c
index 18c98cad6..7dff11574 100755
--- a/src/eressea.c
+++ b/src/eressea.c
@@ -14,23 +14,27 @@
 #include <triggers/triggers.h>
 #include <util/language.h>
 #include <util/functions.h>
-#include <kernel/xmlreader.h>
-#include <kernel/item.h>
-#include <kernel/curse.h>
 #include <kernel/building.h>
+#include <kernel/curse.h>
+#include <kernel/equipment.h>
+#include <kernel/item.h>
+#include <kernel/xmlreader.h>
 #include <modules/gmcmd.h>
 #include <modules/xmas.h>
 #include <items/itemtypes.h>
 #include <attributes/attributes.h>
+#include <util/message.h>
 #include <races/races.h>
+
 #include "chaos.h"
-#include "report.h"
-#include "items.h"
 #include "creport.h"
+#include "items.h"
 #include "jsreport.h"
 #include "names.h"
-#include "wormhole.h"
+#include "report.h"
+#include "reports.h"
 #include "spells.h"
+#include "wormhole.h"
 
 void game_done(void)
 {
@@ -51,6 +55,9 @@ void game_done(void)
     free_functions();
     free_config();
     free_locales();
+    message_done();
+    equipment_done();
+    reports_done();
     curses_done();
     kernel_done();
 }
diff --git a/src/kernel/config.c b/src/kernel/config.c
index 7fae8df23..e45ffdde9 100644
--- a/src/kernel/config.c
+++ b/src/kernel/config.c
@@ -1080,7 +1080,6 @@ void free_gamedata(void)
 {
     int i;
     free_donations();
-    free_equipment();
 
     for (i = 0; i != MAXLOCALES; ++i) {
         if (defaults[i]) {
@@ -1094,15 +1093,15 @@ void free_gamedata(void)
     free_borders();
     free_alliances();
 
+    while (global.attribs) {
+        a_remove(&global.attribs, global.attribs);
+    }
+
     while (planes) {
         plane *pl = planes;
         planes = planes->next;
         free_plane(pl);
     }
-
-    while (global.attribs) {
-        a_remove(&global.attribs, global.attribs);
-    }
 }
 
 const char * game_name(void) {
diff --git a/src/kernel/equipment.c b/src/kernel/equipment.c
index f5bd2fd29..15db54b32 100644
--- a/src/kernel/equipment.c
+++ b/src/kernel/equipment.c
@@ -224,7 +224,7 @@ void equip_items(struct item **items, const struct equipment *eq)
     }
 }
 
-void free_equipment(void) {
+void equipment_done(void) {
     equipment **eqp = &equipment_sets;
     while (*eqp) {
         equipment *eq = *eqp;
diff --git a/src/kernel/equipment.h b/src/kernel/equipment.h
index 1ce454111..11511d99a 100644
--- a/src/kernel/equipment.h
+++ b/src/kernel/equipment.h
@@ -54,6 +54,8 @@ extern "C" {
         void(*callback) (const struct equipment *, struct unit *);
     } equipment;
 
+    void equipment_done(void);
+
     struct equipment *create_equipment(const char *eqname);
     struct equipment *get_equipment(const char *eqname);
 
@@ -75,7 +77,6 @@ extern "C" {
         int mask);
     void equip_items(struct item **items, const struct equipment *eq);
 
-    void free_equipment(void);
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/report.c b/src/report.c
index 6436fe990..294f0c7f5 100644
--- a/src/report.c
+++ b/src/report.c
@@ -2547,13 +2547,6 @@ static void update_find(void)
     initial = false;
 }
 
-bool kann_finden(faction * f1, faction * f2)
-{
-    update_find();
-    return (bool)(can_find(f1, f2) != NULL);
-}
-
-/******* end summary ******/
 
 void register_nr(void)
 {
diff --git a/src/reports.c b/src/reports.c
index 74ba8656a..06408d96e 100644
--- a/src/reports.c
+++ b/src/reports.c
@@ -1094,6 +1094,15 @@ void register_reporttype(const char *extension, report_fun write, int flag)
     report_types = type;
 }
 
+void reports_done(void) {
+    report_type **rtp = &report_types;
+    while (*rtp) {
+        report_type *rt = *rtp;
+        *rtp = rt->next;
+        free(rt);
+    }
+}
+
 static quicklist *get_regions_distance(region * root, int radius)
 {
     quicklist *ql, *rlist = NULL;
diff --git a/src/reports.h b/src/reports.h
index be99fbba7..584fe7d4a 100644
--- a/src/reports.h
+++ b/src/reports.h
@@ -44,8 +44,8 @@ extern "C" {
     extern bool noreports;
     extern const char *visibility[];
 
-    /* kann_finden speedups */
-    bool kann_finden(struct faction *f1, struct faction *f2);
+    void reports_done(void);
+
     struct unit *can_find(struct faction *, struct faction *);
 
     /* funktionen zum schreiben eines reports */
diff --git a/src/util/message.c b/src/util/message.c
index 92a5b43e6..f19fc3313 100644
--- a/src/util/message.c
+++ b/src/util/message.c
@@ -32,7 +32,7 @@ const char *mt_name(const message_type * mtype)
     return mtype->name;
 }
 
-arg_type *argtypes = NULL;
+static arg_type *argtypes = NULL;
 
 void
 register_argtype(const char *name, void(*free_arg) (variant),
@@ -246,3 +246,12 @@ struct message *msg_addref(struct message *msg)
     ++msg->refcount;
     return msg;
 }
+
+void message_done(void) {
+    arg_type **atp = &argtypes;
+    while (*atp) {
+        arg_type *at = *atp;
+        *atp = at->next;
+        free(at);
+    }
+}
diff --git a/src/util/message.h b/src/util/message.h
index 687413605..5937fb83e 100644
--- a/src/util/message.h
+++ b/src/util/message.h
@@ -40,8 +40,10 @@ extern "C" {
         int refcount;
     } message;
 
+    void message_done(void);
+
     void mt_clear(void);
-    struct message_type *mt_new(const char *name, const char **args);
+    struct message_type *mt_new(const char *name, const char *args[]);
     struct message_type *mt_new_va(const char *name, ...);
     /* mt_new("simple_sentence", "subject:string", "predicate:string",
      *        "object:string", "lang:locale", NULL); */

From ef5ce043358afbb24d7784d617c2f508ed0431ee Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno.rehling@gmail.com>
Date: Wed, 7 Sep 2016 20:50:52 +0200
Subject: [PATCH 05/12] remove unused code

---
 src/report.c | 55 ----------------------------------------------------
 1 file changed, 55 deletions(-)

diff --git a/src/report.c b/src/report.c
index 294f0c7f5..e77ee3038 100644
--- a/src/report.c
+++ b/src/report.c
@@ -2493,61 +2493,6 @@ unit *can_find(faction * f, faction * f2)
     return NULL;
 }
 
-static void add_find(faction * f, unit * u, faction * f2)
-{
-    /* faction f sees f2 through u */
-    int key = f->no % FMAXHASH;
-    struct fsee **fp = &fsee[key];
-    struct fsee *fs;
-    struct see **sp;
-    struct see *ss;
-    while (*fp && (*fp)->f != f)
-        fp = &(*fp)->nexthash;
-    if (!*fp) {
-        fs = *fp = calloc(sizeof(struct fsee), 1);
-        fs->f = f;
-    }
-    else
-        fs = *fp;
-    sp = &fs->see;
-    while (*sp && (*sp)->seen != f2)
-        sp = &(*sp)->next;
-    if (!*sp) {
-        ss = *sp = calloc(sizeof(struct see), 1);
-        ss->proof = u;
-        ss->seen = f2;
-    }
-    else
-        ss = *sp;
-    ss->proof = u;
-}
-
-static void update_find(void)
-{
-    region *r;
-    static bool initial = true;
-
-    if (initial)
-        for (r = regions; r; r = r->next) {
-            unit *u;
-            for (u = r->units; u; u = u->next) {
-                faction *lastf = u->faction;
-                unit *u2;
-                for (u2 = r->units; u2; u2 = u2->next) {
-                    if (u2->faction == lastf || u2->faction == u->faction)
-                        continue;
-                    if (seefaction(u->faction, r, u2, 0)) {
-                        faction *fv = visible_faction(u->faction, u2);
-                        lastf = fv;
-                        add_find(u->faction, u2, fv);
-                    }
-                }
-            }
-        }
-    initial = false;
-}
-
-
 void register_nr(void)
 {
     if (!nocr)

From d84ed1f89d26559541d0a340effea0c49765ec72 Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno.rehling@gmail.com>
Date: Wed, 7 Sep 2016 21:15:24 +0200
Subject: [PATCH 06/12] move static variable cleanup to kernel_done. clean up
 some more.

---
 src/eressea.c          |  4 ----
 src/kernel/config.c    | 24 +++++++++++++++++-------
 src/kernel/equipment.c |  1 +
 src/kernel/item.c      |  5 +++++
 src/kernel/item.h      |  2 ++
 src/util/attrib.c      |  3 ++-
 src/util/attrib.h      |  2 +-
 src/util/crmessage.c   |  9 +++++++++
 src/util/crmessage.h   |  2 ++
 src/util/xml.c         |  9 +++++++++
 src/util/xml.h         | 16 ++++++++++------
 11 files changed, 58 insertions(+), 19 deletions(-)

diff --git a/src/eressea.c b/src/eressea.c
index 7dff11574..c1ae4d73a 100755
--- a/src/eressea.c
+++ b/src/eressea.c
@@ -55,10 +55,6 @@ void game_done(void)
     free_functions();
     free_config();
     free_locales();
-    message_done();
-    equipment_done();
-    reports_done();
-    curses_done();
     kernel_done();
 }
 
diff --git a/src/kernel/config.c b/src/kernel/config.c
index e45ffdde9..89d816f0f 100644
--- a/src/kernel/config.c
+++ b/src/kernel/config.c
@@ -401,24 +401,24 @@ building *largestbuilding(const region * r, cmp_building_cb cmp_gt,
 
 static const char *forbidden[] = { "t", "te", "tem", "temp", NULL };
 // PEASANT: "b", "ba", "bau", "baue", "p", "pe", "pea", "peas"
+static int *forbidden_ids;
 
 int forbiddenid(int id)
 {
-    static int *forbid = NULL;
     static size_t len;
     size_t i;
     if (id <= 0)
         return 1;
-    if (!forbid) {
+    if (!forbidden_ids) {
         while (forbidden[len])
             ++len;
-        forbid = calloc(len, sizeof(int));
+        forbidden_ids = calloc(len, sizeof(int));
         for (i = 0; i != len; ++i) {
-            forbid[i] = atoi36(forbidden[i]);
+            forbidden_ids[i] = atoi36(forbidden[i]);
         }
     }
     for (i = 0; i != len; ++i)
-        if (id == forbid[i])
+        if (id == forbidden_ids[i])
             return 1;
     return 0;
 }
@@ -739,8 +739,15 @@ void kernel_done(void)
     /* calling this function releases memory assigned to static variables, etc.
      * calling it is optional, e.g. a release server will most likely not do it.
      */
+    xml_done();
+    attrib_done();
+    item_done();
+    message_done();
+    equipment_done();
+    reports_done();
+    curses_done();
+    crmessage_done();
     translation_done();
-    free_attribs();
 }
 
 #ifndef HAVE_STRDUP
@@ -1079,7 +1086,6 @@ void free_config(void) {
 void free_gamedata(void)
 {
     int i;
-    free_donations();
 
     for (i = 0; i != MAXLOCALES; ++i) {
         if (defaults[i]) {
@@ -1087,6 +1093,10 @@ void free_gamedata(void)
             defaults[i] = 0;
         }
     }
+    free(forbidden_ids);
+    forbidden_ids = NULL;
+
+    free_donations();
     free_factions();
     free_units();
     free_regions();
diff --git a/src/kernel/equipment.c b/src/kernel/equipment.c
index 4afeac803..5f1c31743 100644
--- a/src/kernel/equipment.c
+++ b/src/kernel/equipment.c
@@ -232,6 +232,7 @@ void equipment_done(void) {
         free(eq->name);
         if (eq->spellbook) {
             spellbook_clear(eq->spellbook);
+            free(eq->spellbook);
         }
         // TODO: items, subsets
         free(eq);
diff --git a/src/kernel/item.c b/src/kernel/item.c
index 95d7461aa..66e361156 100644
--- a/src/kernel/item.c
+++ b/src/kernel/item.c
@@ -518,6 +518,11 @@ static item *icache;
 static int icache_size;
 #define ICACHE_MAX 100
 
+void item_done(void) {
+    i_freeall(&icache);
+    icache_size = 0;
+}
+
 void i_free(item * i)
 {
     if (icache_size >= ICACHE_MAX) {
diff --git a/src/kernel/item.h b/src/kernel/item.h
index fc3c2c909..c3b33070e 100644
--- a/src/kernel/item.h
+++ b/src/kernel/item.h
@@ -59,6 +59,8 @@ extern "C" {
 #define NMF_PLURAL     0x01
 #define NMF_APPEARANCE 0x02
 
+    void item_done(void);
+
     typedef int(*rtype_uchange) (struct unit * user,
         const struct resource_type * rtype, int delta);
     typedef int(*rtype_uget) (const struct unit * user,
diff --git a/src/util/attrib.c b/src/util/attrib.c
index c22570356..e6392aeeb 100644
--- a/src/util/attrib.c
+++ b/src/util/attrib.c
@@ -412,6 +412,7 @@ void a_write_orig(struct storage *store, const attrib * attribs, const void *own
     WRITE_TOK(store, "end");
 }
 
-void free_attribs(void) {
+void attrib_done(void) {
     cb_clear(&cb_deprecated);
+    memset(at_hash, 0, sizeof at_hash);
 }
diff --git a/src/util/attrib.h b/src/util/attrib.h
index b41ac2bcf..b9378ab55 100644
--- a/src/util/attrib.h
+++ b/src/util/attrib.h
@@ -81,7 +81,7 @@ extern "C" {
     int a_read(struct gamedata *data, attrib ** attribs, void *owner);
     void a_write(struct storage *store, const attrib * attribs, const void *owner);
 
-    void free_attribs(void);
+    void attrib_done(void);
 
 #define DEFAULT_AGE NULL
 #define DEFAULT_INIT NULL
diff --git a/src/util/crmessage.c b/src/util/crmessage.c
index d15228510..98afe0f05 100644
--- a/src/util/crmessage.c
+++ b/src/util/crmessage.c
@@ -32,6 +32,15 @@ typedef struct tsf_list {
 
 static tsf_list *tostringfs;
 
+void crmessage_done(void) {
+    tsf_list **tsp = &tostringfs;
+    while (*tsp) {
+        tsf_list *ts = *tsp;
+        *tsp = ts->next;
+        free(ts);
+    }
+}
+
 static tostring_f tsf_find(const char *name)
 {
     if (name != NULL) {
diff --git a/src/util/crmessage.h b/src/util/crmessage.h
index be6b67367..3cd71d71c 100644
--- a/src/util/crmessage.h
+++ b/src/util/crmessage.h
@@ -22,6 +22,8 @@ extern "C" {
     struct message;
     struct message_type;
 
+    void crmessage_done(void);
+
     typedef int(*tostring_f) (variant data, char *buffer, const void *userdata);
     void tsf_register(const char *name, tostring_f fun);
     /* registers a new type->string-function */
diff --git a/src/util/xml.c b/src/util/xml.c
index 2d49f2a7d..644698119 100644
--- a/src/util/xml.c
+++ b/src/util/xml.c
@@ -89,6 +89,15 @@ typedef struct xml_reader {
 
 static xml_reader *xmlReaders;
 
+void xml_done(void) {
+    xml_reader ** xrp = &xmlReaders;
+    while (*xrp) {
+        xml_reader *xr = *xrp;
+        *xrp = xr->next;
+        free(xr);
+    }
+}
+
 void xml_register_callback(xml_callback callback)
 {
     xml_reader *reader = (xml_reader *)malloc(sizeof(xml_reader));
diff --git a/src/util/xml.h b/src/util/xml.h
index b5beee233..921cd3f53 100644
--- a/src/util/xml.h
+++ b/src/util/xml.h
@@ -21,13 +21,17 @@ extern "C" {
   /* new xml functions: */
 #include <libxml/tree.h>
 
-  typedef int (*xml_callback) (xmlDocPtr);
-  extern void xml_register_callback(xml_callback callback);
-  extern double xml_fvalue(xmlNodePtr node, const char *name, double dflt);
-  extern int xml_ivalue(xmlNodePtr node, const char *name, int dflt);
-  extern bool xml_bvalue(xmlNodePtr node, const char *name, bool dflt);
+
+    typedef int (*xml_callback) (xmlDocPtr);
+
+    void xml_register_callback(xml_callback callback);
+    double xml_fvalue(xmlNodePtr node, const char *name, double dflt);
+    int xml_ivalue(xmlNodePtr node, const char *name, int dflt);
+    bool xml_bvalue(xmlNodePtr node, const char *name, bool dflt);
 #endif
-  extern int read_xml(const char *filename, const char *catalog);
+
+    void xml_done(void);
+    int read_xml(const char *filename, const char *catalog);
 
 #ifdef __cplusplus
 }

From cb706c2cf2aeca9949b718de42e17a3e97d88339 Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno.rehling@gmail.com>
Date: Wed, 7 Sep 2016 21:29:54 +0200
Subject: [PATCH 07/12] equipment.test is down to two leaks and one TODO

---
 src/kernel/equipment.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/kernel/equipment.c b/src/kernel/equipment.c
index 5f1c31743..2debc9aa9 100644
--- a/src/kernel/equipment.c
+++ b/src/kernel/equipment.c
@@ -234,7 +234,13 @@ void equipment_done(void) {
             spellbook_clear(eq->spellbook);
             free(eq->spellbook);
         }
-        // TODO: items, subsets
+        while (eq->items) {
+            itemdata *next = eq->items->next;
+            free(eq->items->value);
+            free(eq->items);
+            eq->items = next;
+        }
+        // TODO: subsets
         free(eq);
     }
 }

From 993af3a7f973670a6cdb2a00fa144030d02a4cf8 Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno.rehling@gmail.com>
Date: Thu, 8 Sep 2016 06:56:16 +0200
Subject: [PATCH 08/12] memory leak in equipment.skills

---
 src/kernel/equipment.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/kernel/equipment.c b/src/kernel/equipment.c
index 2debc9aa9..424352347 100644
--- a/src/kernel/equipment.c
+++ b/src/kernel/equipment.c
@@ -227,6 +227,7 @@ void equip_items(struct item **items, const struct equipment *eq)
 void equipment_done(void) {
     equipment **eqp = &equipment_sets;
     while (*eqp) {
+        int i;
         equipment *eq = *eqp;
         *eqp = eq->next;
         free(eq->name);
@@ -240,7 +241,10 @@ void equipment_done(void) {
             free(eq->items);
             eq->items = next;
         }
-        // TODO: subsets
+        // TODO: subsets, skills
+        for (i=0;i!=MAXSKILLS;++i) {
+            free(eq->skills[i]);
+        }
         free(eq);
     }
 }

From 25e5d1d2857549b470c9aefaf0ed38c29fa714b5 Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno@eressea.de>
Date: Thu, 8 Sep 2016 08:12:26 +0200
Subject: [PATCH 09/12] use test_setup to start tests

---
 src/magic.test.c   | 26 +++++++++++++-------------
 src/tests.test.c   |  4 ++--
 src/volcano.test.c |  4 ++--
 3 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/src/magic.test.c b/src/magic.test.c
index ff6cb1e29..4ba867b96 100644
--- a/src/magic.test.c
+++ b/src/magic.test.c
@@ -27,7 +27,7 @@ void test_updatespells(CuTest * tc)
     spell * sp;
     spellbook *book = 0;
 
-    test_cleanup();
+    test_setup();
     test_create_race("human");
 
     f = test_create_faction(0);
@@ -53,7 +53,7 @@ void test_spellbooks(CuTest * tc)
     spellbook *herp, *derp;
     spellbook_entry *entry;
     const char * sname = "herpderp";
-    test_cleanup();
+    test_setup();
 
     herp = get_spellbook("herp");
     CuAssertPtrNotNull(tc, herp);
@@ -85,7 +85,7 @@ void test_pay_spell(CuTest * tc)
     region * r;
     int level;
 
-    test_cleanup();
+    test_setup();
     test_create_world();
     r = findregion(0, 0);
     f = test_create_faction(0);
@@ -119,7 +119,7 @@ void test_pay_spell_failure(CuTest * tc)
     struct region * r;
     int level;
 
-    test_cleanup();
+    test_setup();
     test_create_world();
     r = findregion(0, 0);
     f = test_create_faction(0);
@@ -157,7 +157,7 @@ void test_getspell_unit(CuTest * tc)
     struct region * r;
     struct locale * lang;
 
-    test_cleanup();
+    test_setup();
     test_create_world();
     r = findregion(0, 0);
     f = test_create_faction(0);
@@ -186,7 +186,7 @@ void test_getspell_faction(CuTest * tc)
     struct region * r;
     struct locale * lang;
 
-    test_cleanup();
+    test_setup();
     test_create_world();
     r = findregion(0, 0);
     f = test_create_faction(0);
@@ -218,7 +218,7 @@ void test_getspell_school(CuTest * tc)
     struct locale * lang;
     struct spellbook * book;
 
-    test_cleanup();
+    test_setup();
     test_create_world();
     r = findregion(0, 0);
     f = test_create_faction(0);
@@ -249,7 +249,7 @@ void test_set_pre_combatspell(CuTest * tc)
     struct region * r;
     const int index = 0;
 
-    test_cleanup();
+    test_setup();
     test_create_world();
     r = findregion(0, 0);
     f = test_create_faction(0);
@@ -282,7 +282,7 @@ void test_set_main_combatspell(CuTest * tc)
     struct region * r;
     const int index = 1;
 
-    test_cleanup();
+    test_setup();
     test_create_world();
     r = findregion(0, 0);
     f = test_create_faction(0);
@@ -315,7 +315,7 @@ void test_set_post_combatspell(CuTest * tc)
     struct region * r;
     const int index = 2;
 
-    test_cleanup();
+    test_setup();
     test_create_world();
     r = findregion(0, 0);
     f = test_create_faction(0);
@@ -347,7 +347,7 @@ void test_hasspell(CuTest * tc)
     struct faction * f;
     struct region * r;
 
-    test_cleanup();
+    test_setup();
     test_create_world();
     r = findregion(0, 0);
     f = test_create_faction(0);
@@ -382,7 +382,7 @@ void test_multi_cast(CuTest *tc) {
     spell *sp;
     struct locale * lang;
 
-    test_cleanup();
+    test_setup();
     sp = create_spell("fireball", 0);
     sp->cast = cast_fireball;
     CuAssertPtrEquals(tc, sp, find_spell("fireball"));
@@ -410,7 +410,7 @@ static void test_magic_resistance(CuTest *tc) {
     unit *u;
     race *rc;
 
-    test_cleanup();
+    test_setup();
     rc = test_create_race("human");
     u = test_create_unit(test_create_faction(rc), test_create_region(0, 0, 0));
     CuAssertDblEquals(tc, rc->magres, magic_resistance(u), 0.01);
diff --git a/src/tests.test.c b/src/tests.test.c
index 3a9732609..9dd47e4d1 100644
--- a/src/tests.test.c
+++ b/src/tests.test.c
@@ -12,7 +12,7 @@
 
 static void test_resources(CuTest *tc) {
     resource_type *rtype;
-    test_cleanup();
+    test_setup();
     init_resources();
     CuAssertPtrNotNull(tc, rt_find("hp"));
     CuAssertPtrEquals(tc, rt_find("hp"), (void *)get_resourcetype(R_LIFE));
@@ -36,7 +36,7 @@ static void test_resources(CuTest *tc) {
 
 static void test_recreate_world(CuTest * tc)
 {
-    test_cleanup();
+    test_setup();
     CuAssertPtrEquals(tc, 0, get_locale("de"));
     CuAssertPtrEquals(tc, 0, (void *)rt_find("horse"));
 
diff --git a/src/volcano.test.c b/src/volcano.test.c
index 091615fed..3afa49651 100644
--- a/src/volcano.test.c
+++ b/src/volcano.test.c
@@ -19,7 +19,7 @@ static void test_volcano_update(CuTest *tc) {
     message *m;
     const struct terrain_type *t_volcano, *t_active;
     
-    test_cleanup();
+    test_setup();
     mt_register(mt_new_va("volcanostopsmoke", "region:region", 0));
     t_volcano = test_create_terrain("volcano", LAND_REGION);
     t_active = test_create_terrain("activevolcano", LAND_REGION);
@@ -41,7 +41,7 @@ static void test_volcano_outbreak(CuTest *tc) {
     message *m;
     const struct terrain_type *t_volcano, *t_active;
     
-    test_cleanup();
+    test_setup();
     mt_register(mt_new_va("volcanooutbreak", "regionv:region", "regionn:region", 0));
     mt_register(mt_new_va("volcano_dead", "unit:unit", "region:region", "dead:int", 0));
     t_volcano = test_create_terrain("volcano", LAND_REGION);

From 22586aa45fddb780784660979b16f54efea38944 Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno.rehling@gmail.com>
Date: Thu, 8 Sep 2016 09:06:02 +0200
Subject: [PATCH 10/12] fix seen.test creating a unit without a region

---
 src/kernel/save.test.c | 2 +-
 src/seen.test.c        | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/kernel/save.test.c b/src/kernel/save.test.c
index e88cf7b2b..12ab11cc3 100644
--- a/src/kernel/save.test.c
+++ b/src/kernel/save.test.c
@@ -155,10 +155,10 @@ static void test_readwrite_dead_faction_regionowner(CuTest *tc) {
     gamedata data;
     storage store;
 
+    test_setup();
     mstream_init(&data.strm);
     gamedata_init(&data, &store, RELEASE_VERSION);
 
-    test_cleanup();
     config_set("rules.region_owners", "1");
     f = test_create_faction(0);
     test_create_unit(f, r = test_create_region(0, 0, 0));
diff --git a/src/seen.test.c b/src/seen.test.c
index 66a476135..e3e1265bd 100644
--- a/src/seen.test.c
+++ b/src/seen.test.c
@@ -92,9 +92,9 @@ static void test_seen_travelthru(CuTest *tc) {
 
     test_setup();
     setup_seen(0, 0);
-    r = test_create_region(0, 0, 0);
     f = test_create_faction(0);
-    u = test_create_unit(f, 0);
+    u = test_create_unit(f, test_create_region(0, 0, 0));
+    r = test_create_region(0, 1, 0);
     travelthru_add(r, u);
     init_reports();
     view_default(f->seen, r, f);
@@ -190,10 +190,10 @@ static void test_seenhash_map(CuTest *tc) {
 CuSuite *get_seen_suite(void)
 {
     CuSuite *suite = CuSuiteNew();
-    SUITE_ADD_TEST(suite, test_add_seen);
-    SUITE_ADD_TEST(suite, test_faction_add_seen);
     SUITE_ADD_TEST(suite, test_prepare_seen);
     SUITE_ADD_TEST(suite, test_seen_travelthru);
+    SUITE_ADD_TEST(suite, test_add_seen);
+    SUITE_ADD_TEST(suite, test_faction_add_seen);
     SUITE_ADD_TEST(suite, test_seen_region);
     SUITE_ADD_TEST(suite, test_seen_interval_backward);
     SUITE_ADD_TEST(suite, test_seen_interval_forward);

From a281ace21b31de1addce77b5faeb185c2cc29227 Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno.rehling@gmail.com>
Date: Thu, 8 Sep 2016 09:11:17 +0200
Subject: [PATCH 11/12] always create test units inside a region (so they can
 get destroyed in free_gamedata)

---
 src/kernel/item.test.c | 2 +-
 src/reports.test.c     | 2 +-
 src/study.test.c       | 2 +-
 src/tests.c            | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/kernel/item.test.c b/src/kernel/item.test.c
index 47b32b537..231b45d00 100644
--- a/src/kernel/item.test.c
+++ b/src/kernel/item.test.c
@@ -74,7 +74,7 @@ void test_change_item(CuTest * tc)
     test_create_itemtype("iron");
     init_resources();
 
-    u = test_create_unit(test_create_faction(0), 0);
+    u = test_create_unit(test_create_faction(0), test_create_region(0, 0, 0));
     test_uchange(tc, u, get_resourcetype(R_IRON));
     test_cleanup();
 }
diff --git a/src/reports.test.c b/src/reports.test.c
index f368e63e1..c27a0f6f9 100644
--- a/src/reports.test.c
+++ b/src/reports.test.c
@@ -220,7 +220,7 @@ static void test_write_travelthru(CuTest *tc) {
     r->flags |= RF_TRAVELUNIT;
     f = test_create_faction(0);
     f->locale = lang;
-    u = test_create_unit(f, 0);
+    u = test_create_unit(f, test_create_region(0, 1, 0));
     unit_setname(u, "Hodor");
     unit_setid(u, 1);
 
diff --git a/src/study.test.c b/src/study.test.c
index f12fc25df..0ecd7ae2e 100644
--- a/src/study.test.c
+++ b/src/study.test.c
@@ -295,7 +295,7 @@ static void test_demon_skillchanges(CuTest *tc) {
     test_setup();
     rc = test_create_race("demon");
     CuAssertPtrEquals(tc, rc, get_race(RC_DAEMON));
-    u = test_create_unit(test_create_faction(rc), 0);
+    u = test_create_unit(test_create_faction(rc), test_create_region(0, 0, 0));
     CuAssertPtrNotNull(tc, u);
     set_level(u, SK_CROSSBOW, 1);
     demon_skillchange(u);
diff --git a/src/tests.c b/src/tests.c
index 13400ebd4..b9336bb25 100644
--- a/src/tests.c
+++ b/src/tests.c
@@ -119,7 +119,7 @@ struct faction *test_create_faction(const struct race *rc)
 struct unit *test_create_unit(struct faction *f, struct region *r)
 {
     const struct race * rc = f ? f->race : 0;
-    assert(f || !r);
+    assert(f && r);
     if (!rc) rc = rc_get_or_create("human");
     return create_unit(r, f, 1, rc ? rc : rc_get_or_create("human"), 0, 0, 0);
 }

From ab876431de082b989fb3885729cff9090633a4b3 Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno.rehling@gmail.com>
Date: Thu, 8 Sep 2016 19:48:36 +0200
Subject: [PATCH 12/12] reset turn to 0 before and after each test. save tests
 that depend on the global turn variable would fail when being run out of
 order. this cause issue #560

---
 src/kernel/save.c      | 14 ++++++++------
 src/kernel/save.test.c |  2 +-
 src/tests.c            |  1 +
 3 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/src/kernel/save.c b/src/kernel/save.c
index fb0c0eba4..fccd8468e 100644
--- a/src/kernel/save.c
+++ b/src/kernel/save.c
@@ -623,12 +623,14 @@ static void write_owner(struct gamedata *data, region_owner * owner)
     if (owner) {
         faction *f;
         WRITE_INT(data->store, owner->since_turn);
-        WRITE_INT(data->store, owner->morale_turn);
-        WRITE_INT(data->store, owner->flags);
-        f = owner->last_owner;
-        write_faction_reference((f && f->_alive) ? f : NULL, data->store);
-        f = owner->owner;
-        write_faction_reference((f && f->_alive) ? f : NULL, data->store);
+        if (owner->since_turn >= 0) {
+            WRITE_INT(data->store, owner->morale_turn);
+            WRITE_INT(data->store, owner->flags);
+            f = owner->last_owner;
+            write_faction_reference((f && f->_alive) ? f : NULL, data->store);
+            f = owner->owner;
+            write_faction_reference((f && f->_alive) ? f : NULL, data->store);
+        }
     }
     else {
         WRITE_INT(data->store, -1);
diff --git a/src/kernel/save.test.c b/src/kernel/save.test.c
index 12ab11cc3..9ab6c4d50 100644
--- a/src/kernel/save.test.c
+++ b/src/kernel/save.test.c
@@ -162,7 +162,7 @@ static void test_readwrite_dead_faction_regionowner(CuTest *tc) {
     config_set("rules.region_owners", "1");
     f = test_create_faction(0);
     test_create_unit(f, r = test_create_region(0, 0, 0));
-    region_set_owner(r, f, turn);
+    region_set_owner(r, f, 0);
     destroyfaction(&factions);
     CuAssertTrue(tc, !f->_alive);
     remove_empty_units();
diff --git a/src/tests.c b/src/tests.c
index b9336bb25..1af387543 100644
--- a/src/tests.c
+++ b/src/tests.c
@@ -161,6 +161,7 @@ void test_log_stderr(int flags) {
 
 static void test_reset(void) {
     int i;
+    turn = 0;
     default_locale = 0;
     free_gamedata();
     free_terrains();