diff --git a/src/bindings.c b/src/bindings.c
index 35657b5be..2364775fb 100755
--- a/src/bindings.c
+++ b/src/bindings.c
@@ -458,8 +458,7 @@ static int tolua_write_report(lua_State * L)
 {
     faction *f = (faction *)tolua_tousertype(L, 1, 0);
     if (f) {
-        time_t ltime = time(0);
-        int result = write_reports(f, ltime);
+        int result = write_reports(f);
         lua_pushinteger(L, result);
     }
     else {
diff --git a/src/economy.h b/src/economy.h
index 6d58a1f9f..8d022ebbc 100644
--- a/src/economy.h
+++ b/src/economy.h
@@ -18,6 +18,9 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 #ifndef H_GC_ECONOMY
 #define H_GC_ECONOMY
+
+#include <stdbool.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/src/kernel/pool.c b/src/kernel/pool.c
index e58bc131e..52e445c94 100644
--- a/src/kernel/pool.c
+++ b/src/kernel/pool.c
@@ -16,11 +16,14 @@ ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 **/
 
+#ifdef _MSC_VER
 #include <platform.h>
-#include <kernel/config.h>
+#endif
+
 #include "pool.h"
 
 #include "ally.h"
+#include "config.h"
 #include "faction.h"
 #include "item.h"
 #include "order.h"
@@ -168,7 +171,8 @@ int count)
         use = have;
     else if (rtype->itype && mode & (GET_SLACK | GET_RESERVE)) {
         int reserve = get_reservation(u, rtype->itype);
-        int slack = MAX(0, have - reserve);
+        int slack = have - reserve;
+        if (slack < 0) slack = 0;
         if (mode & GET_RESERVE)
             use = have - slack;
         else if (mode & GET_SLACK)
@@ -206,18 +210,20 @@ use_pooled(unit * u, const resource_type * rtype, unsigned int mode, int count)
     }
 
     if ((mode & GET_SLACK) && (mode & GET_RESERVE)) {
-        n = MIN(use, have);
+        n = (use < have) ? use : have;
     }
     else if (rtype->itype) {
         int reserve = get_reservation(u, rtype->itype);
-        int slack = MAX(0, have - reserve);
+        int slack = have - reserve;
+        if (slack < 0) slack = 0;
         if (mode & GET_RESERVE) {
             n = have - slack;
-            n = MIN(use, n);
+            if (n > use) n = use;
             change_reservation(u, rtype->itype, -n);
         }
         else if (mode & GET_SLACK) {
-            n = MIN(use, slack);
+            n = slack;
+            if (n > use) n = use;
         }
     }
     if (n > 0) {
diff --git a/src/monsters.c b/src/monsters.c
index 99f32cedb..59664480a 100644
--- a/src/monsters.c
+++ b/src/monsters.c
@@ -17,7 +17,9 @@
  * permission from the authors.
  */
 
+#ifdef _MSC_VER
 #include <platform.h>
+#endif
 
 #include "monsters.h"
 
@@ -132,7 +134,10 @@ static void reduce_weight(unit * u)
             if (itype->weight >= 10 && itype->rtype->wtype == 0
                 && itype->rtype->atype == 0) {
                 if (itype->capacity < itype->weight) {
-                    int reduce = MIN(itm->number, -((capacity - weight) / itype->weight));
+                    int reduce = (weight - capacity) / itype->weight;
+                    if (reduce > itm->number) {
+                        reduce = itm->number;
+                    }
                     give_peasants(u, itm->type, reduce);
                     weight -= reduce * itype->weight;
                 }
@@ -147,7 +152,10 @@ static void reduce_weight(unit * u)
         const item_type *itype = itm->type;
         weight += itm->number * itype->weight;
         if (itype->capacity < itype->weight) {
-            int reduce = MIN(itm->number, -((capacity - weight) / itype->weight));
+            int reduce = (weight - capacity) / itype->weight;
+            if (reduce > itm->number) {
+                reduce = itm->number;
+            }
             give_peasants(u, itm->type, reduce);
             weight -= reduce * itype->weight;
         }
@@ -1027,10 +1035,12 @@ static void eaten_by_monster(unit * u)
 
     n = (int)(n * multi);
     if (n > 0) {
+
         n = lovar(n);
-        n = MIN(rpeasants(u->region), n);
 
         if (n > 0) {
+            int p = rpeasants(u->region);
+            if (p < n) n = p;
             deathcounts(u->region, n);
             rsetpeasants(u->region, rpeasants(u->region) - n);
             ADDMSG(&u->region->msgs, msg_message("eatpeasants", "unit amount", u, n));
@@ -1048,8 +1058,9 @@ static void absorbed_by_monster(unit * u)
 
     if (n > 0) {
         n = lovar(n);
-        n = MIN(rpeasants(u->region), n);
         if (n > 0) {
+            int p = rpeasants(u->region);
+            if (p < n) n = p;
             rsetpeasants(u->region, rpeasants(u->region) - n);
             scale_number(u, u->number + n);
             ADDMSG(&u->region->msgs, msg_message("absorbpeasants",
@@ -1063,7 +1074,10 @@ static int scareaway(region * r, int anzahl)
     int n, p, diff = 0, emigrants[MAXDIRECTIONS];
     direction_t d;
 
-    anzahl = MIN(MAX(1, anzahl), rpeasants(r));
+    p = rpeasants(r);
+    if (anzahl < 1) anzahl = 1;
+    if (anzahl > p) anzahl = p;
+    assert(p >= 0 && anzahl >= 0);
 
     /* Wandern am Ende der Woche (normal) oder wegen Monster. Die
      * Wanderung wird erst am Ende von demographics () ausgefuehrt.
@@ -1073,9 +1087,7 @@ static int scareaway(region * r, int anzahl)
     for (d = 0; d != MAXDIRECTIONS; d++)
         emigrants[d] = 0;
 
-    p = rpeasants(r);
-    assert(p >= 0 && anzahl >= 0);
-    for (n = MIN(p, anzahl); n; n--) {
+    for (n = anzahl; n; n--) {
         direction_t dir = (direction_t)(rng_int() % MAXDIRECTIONS);
         region *rc = rconnect(r, dir);
 
@@ -1104,8 +1116,9 @@ static void scared_by_monster(unit * u)
     }
     if (n > 0) {
         n = lovar(n);
-        n = MIN(rpeasants(u->region), n);
         if (n > 0) {
+            int p = rpeasants(u->region);
+            if (p < n) n = p;
             n = scareaway(u->region, n);
             if (n > 0) {
                 ADDMSG(&u->region->msgs, msg_message("fleescared",
diff --git a/src/randenc.c b/src/randenc.c
index 499591294..7a65ce378 100644
--- a/src/randenc.c
+++ b/src/randenc.c
@@ -16,49 +16,52 @@ ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 **/
 
+#ifdef _MSC_VER
 #include <platform.h>
-#include <kernel/config.h>
+#endif
+
 #include "randenc.h"
 
-#include "volcano.h"
+#include "chaos.h"
 #include "economy.h"
 #include "monsters.h"
 #include "move.h"
-#include "chaos.h"
 #include "study.h"
+#include "volcano.h"
 
-#include <spells/unitcurse.h>
-#include <spells/regioncurse.h>
+#include "spells/unitcurse.h"
+#include "spells/regioncurse.h"
 
 /* attributes includes */
-#include <attributes/racename.h>
-#include <attributes/reduceproduction.h>
+#include "attributes/racename.h"
+#include "attributes/reduceproduction.h"
 
 /* kernel includes */
-#include <kernel/building.h>
-#include <kernel/curse.h>
-#include <kernel/equipment.h>
-#include <kernel/faction.h>
-#include <kernel/item.h>
-#include <kernel/messages.h>
-#include <kernel/order.h>
-#include <kernel/plane.h>
-#include <kernel/pool.h>
-#include <kernel/race.h>
-#include <kernel/region.h>
-#include <kernel/ship.h>
-#include <kernel/terrain.h>
-#include <kernel/terrainid.h>
-#include <kernel/unit.h>
+#include "kernel/building.h"
+#include "kernel/config.h"
+#include "kernel/curse.h"
+#include "kernel/equipment.h"
+#include "kernel/faction.h"
+#include "kernel/item.h"
+#include "kernel/messages.h"
+#include "kernel/order.h"
+#include "kernel/plane.h"
+#include "kernel/pool.h"
+#include "kernel/race.h"
+#include "kernel/region.h"
+#include "kernel/ship.h"
+#include "kernel/terrain.h"
+#include "kernel/terrainid.h"
+#include "kernel/unit.h"
 
 /* util includes */
-#include <util/attrib.h>
-#include <util/language.h>
-#include <util/lists.h>
-#include <util/log.h>
-#include <util/rand.h>
-#include <util/message.h>
-#include <util/rng.h>
+#include "util/attrib.h"
+#include "util/language.h"
+#include "util/lists.h"
+#include "util/log.h"
+#include "util/rand.h"
+#include "util/message.h"
+#include "util/rng.h"
 
 /* libc includes */
 #include <string.h>
@@ -785,9 +788,8 @@ static void rotting_herbs(void)
                 int n = itm->number;
                 double k = n * rot_chance / 100.0;
                 if (fval(itm->type, ITF_HERB)) {
-                    double nv = normalvariate(k, k / 4);
-                    int inv = (int)nv;
-                    int delta = MIN(n, inv);
+                    int delta = (int)normalvariate(k, k / 4);
+                    if (n < delta) delta = n;
                     if (!i_change(itmp, itm->type, -delta)) {
                         continue;
                     }
@@ -823,7 +825,9 @@ void randomevents(void)
         while (*blist) {
             building *b = *blist;
             if (fval(b->type, BTF_DECAY) && !building_owner(b)) {
-                b->size -= MAX(1, (b->size * 20) / 100);
+                int delta = (b->size * 20) / 100;
+                if (delta < 1) delta = 1;
+                b->size -= delta;
                 if (b->size == 0) {
                     remove_building(blist, r->buildings);
                 }
diff --git a/src/reports.c b/src/reports.c
index 69e7a3555..862dd165a 100644
--- a/src/reports.c
+++ b/src/reports.c
@@ -16,12 +16,12 @@ ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 **/
 
+#ifdef _MSC_VER
 #include <platform.h>
-#include <kernel/config.h>
+#endif
 #include "reports.h"
 
 #include "battle.h"
-#include "kernel/calendar.h"
 #include "guard.h"
 #include "laws.h"
 #include "spells.h"
@@ -30,48 +30,50 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include "donations.h"
 
 /* attributes includes */
-#include <attributes/attributes.h>
-#include <attributes/follow.h>
-#include <attributes/otherfaction.h>
-#include <attributes/racename.h>
-#include <attributes/stealth.h>
+#include "attributes/attributes.h"
+#include "attributes/follow.h"
+#include "attributes/otherfaction.h"
+#include "attributes/racename.h"
+#include "attributes/stealth.h"
 
-#include <spells/unitcurse.h>
+#include "spells/unitcurse.h"
 
 /* kernel includes */
-#include <kernel/ally.h>
-#include <kernel/alliance.h>
-#include <kernel/connection.h>
-#include <kernel/building.h>
-#include <kernel/curse.h>
-#include <kernel/faction.h>
-#include <kernel/group.h>
-#include <kernel/item.h>
-#include <kernel/messages.h>
-#include <kernel/order.h>
-#include <kernel/plane.h>
-#include <kernel/race.h>
-#include <kernel/region.h>
-#include <kernel/resources.h>
-#include <kernel/ship.h>
-#include <kernel/spell.h>
-#include <kernel/spellbook.h>
-#include <kernel/terrain.h>
-#include <kernel/unit.h>
+#include "kernel/config.h"
+#include "kernel/calendar.h"
+#include "kernel/ally.h"
+#include "kernel/alliance.h"
+#include "kernel/connection.h"
+#include "kernel/building.h"
+#include "kernel/curse.h"
+#include "kernel/faction.h"
+#include "kernel/group.h"
+#include "kernel/item.h"
+#include "kernel/messages.h"
+#include "kernel/order.h"
+#include "kernel/plane.h"
+#include "kernel/race.h"
+#include "kernel/region.h"
+#include "kernel/resources.h"
+#include "kernel/ship.h"
+#include "kernel/spell.h"
+#include "kernel/spellbook.h"
+#include "kernel/terrain.h"
+#include "kernel/unit.h"
 
 /* util includes */
-#include <util/attrib.h>
-#include <util/base36.h>
-#include <util/bsdstring.h>
-#include <util/functions.h>
-#include <util/goodies.h>
-#include <util/language.h>
-#include <util/lists.h>
-#include <util/log.h>
-#include <util/macros.h>
-#include <util/path.h>
-#include <util/strings.h>
-#include <util/translation.h>
+#include "util/attrib.h"
+#include "util/base36.h"
+#include "util/bsdstring.h"
+#include "util/functions.h"
+#include "util/goodies.h"
+#include "util/language.h"
+#include "util/lists.h"
+#include "util/log.h"
+#include "util/macros.h"
+#include "util/path.h"
+#include "util/strings.h"
+#include "util/translation.h"
 #include <stream.h>
 #include <selist.h>
 
@@ -610,6 +612,70 @@ report_resources(const region * r, resource_report * result, int size,
     return n;
 }
 
+static size_t spskill(char *buffer, size_t size, const struct locale * lang,
+    const struct unit * u, struct skill * sv, int *dh)
+{
+    char *bufp = buffer;
+    int effsk;
+
+    if (!u->number)
+        return 0;
+    if (sv->level <= 0) {
+        if (sv->old <= 0 || (u->faction->options & WANT_OPTION(O_SHOWSKCHANGE)) == 0) {
+            return 0;
+        }
+    }
+
+    bufp = STRLCPY(bufp, ", ", size);
+
+    if (!*dh) {
+        bufp = STRLCPY(bufp, LOC(lang, "nr_skills"), size);
+        bufp = STRLCPY(bufp, ": ", size);
+        *dh = 1;
+    }
+    bufp = STRLCPY(bufp, skillname(sv->id, lang), size);
+    bufp = STRLCPY(bufp, " ", size);
+
+    if (sv->id == SK_MAGIC) {
+        sc_mage *mage = get_mage(u);
+        if (mage && mage->magietyp != M_GRAY) {
+            bufp = STRLCPY(bufp, LOC(lang, mkname("school",
+                magic_school[mage->magietyp])), size);
+            bufp = STRLCPY(bufp, " ", size);
+        }
+    }
+
+    if (sv->id == SK_STEALTH && fval(u, UFL_STEALTH)) {
+        int i = u_geteffstealth(u);
+        if (i >= 0) {
+            if (wrptr(&bufp, &size, snprintf(bufp, size, "%d/", i)) != 0)
+                WARN_STATIC_BUFFER();
+        }
+    }
+
+    effsk = eff_skill(u, sv, 0);
+    if (wrptr(&bufp, &size, snprintf(bufp, size, "%d", effsk)) != 0)
+        WARN_STATIC_BUFFER();
+
+    if (u->faction->options & WANT_OPTION(O_SHOWSKCHANGE)) {
+        int oldeff = 0;
+        int diff;
+
+        if (sv->old > 0) {
+            oldeff = sv->old + get_modifier(u, sv->id, sv->old, u->region, false);
+            if (oldeff < 0) oldeff = 0;
+        }
+
+        diff = effsk - oldeff;
+
+        if (diff != 0) {
+            if (wrptr(&bufp, &size, snprintf(bufp, size, " (%s%d)", (diff > 0) ? "+" : "", diff)) != 0)
+                WARN_STATIC_BUFFER();
+        }
+    }
+    return bufp - buffer;
+}
+
 int
 bufunit(const faction * f, const unit * u, unsigned int indent, seen_mode mode, char *buf,
     size_t size)
@@ -750,7 +816,7 @@ bufunit(const faction * f, const unit * u, unsigned int indent, seen_mode mode,
     if (u->faction == f) {
         skill *sv;
         for (sv = u->skills; sv != u->skills + u->skill_size; ++sv) {
-            size_t bytes = spskill(bufp, size, lang, u, sv, &dh, 1);
+            size_t bytes = spskill(bufp, size, lang, u, sv, &dh);
             assert(bytes <= INT_MAX);
             if (wrptr(&bufp, &size, (int)bytes) != 0)
                 WARN_STATIC_BUFFER();
@@ -918,71 +984,6 @@ bufunit(const faction * f, const unit * u, unsigned int indent, seen_mode mode,
     return dh;
 }
 
-size_t
-spskill(char *buffer, size_t size, const struct locale * lang,
-    const struct unit * u, struct skill * sv, int *dh, int days)
-{
-    char *bufp = buffer;
-    int effsk;
-
-    if (!u->number)
-        return 0;
-    if (sv->level <= 0) {
-        if (sv->old <= 0 || (u->faction->options & WANT_OPTION(O_SHOWSKCHANGE)) == 0) {
-            return 0;
-        }
-    }
-
-    bufp = STRLCPY(bufp, ", ", size);
-
-    if (!*dh) {
-        bufp = STRLCPY(bufp, LOC(lang, "nr_skills"), size);
-        bufp = STRLCPY(bufp, ": ", size);
-        *dh = 1;
-    }
-    bufp = STRLCPY(bufp, skillname(sv->id, lang), size);
-    bufp = STRLCPY(bufp, " ", size);
-
-    if (sv->id == SK_MAGIC) {
-        sc_mage *mage = get_mage(u);
-        if (mage && mage->magietyp != M_GRAY) {
-            bufp = STRLCPY(bufp, LOC(lang, mkname("school",
-                magic_school[mage->magietyp])), size);
-            bufp = STRLCPY(bufp, " ", size);
-        }
-    }
-
-    if (sv->id == SK_STEALTH && fval(u, UFL_STEALTH)) {
-        int i = u_geteffstealth(u);
-        if (i >= 0) {
-            if (wrptr(&bufp, &size, snprintf(bufp, size, "%d/", i)) != 0)
-                WARN_STATIC_BUFFER();
-        }
-    }
-
-    effsk = eff_skill(u, sv, 0);
-    if (wrptr(&bufp, &size, snprintf(bufp, size, "%d", effsk)) != 0)
-        WARN_STATIC_BUFFER();
-
-    if (u->faction->options & WANT_OPTION(O_SHOWSKCHANGE)) {
-        int oldeff = 0;
-        int diff;
-
-        if (sv->old > 0) {
-            oldeff = sv->old + get_modifier(u, sv->id, sv->old, u->region, false);
-        }
-
-        oldeff = MAX(0, oldeff);
-        diff = effsk - oldeff;
-
-        if (diff != 0) {
-            if (wrptr(&bufp, &size, snprintf(bufp, size, " (%s%d)", (diff > 0) ? "+" : "", diff)) != 0)
-                WARN_STATIC_BUFFER();
-        }
-    }
-    return bufp - buffer;
-}
-
 void split_paragraph(strlist ** SP, const char *s, unsigned int indent, unsigned int width, char mark)
 {
     bool firstline;
@@ -1013,7 +1014,7 @@ void split_paragraph(strlist ** SP, const char *s, unsigned int indent, unsigned
             firstline = false;
         }
         if (!cut) {
-            cut = s + MIN(len, REPORTWIDTH);
+            cut = s + ((len < REPORTWIDTH) ? len : REPORTWIDTH);
         }
         memcpy(buf + indent, s, cut - s);
         buf[indent + (cut - s)] = 0;
@@ -1669,7 +1670,7 @@ void finish_reports(report_context *ctx) {
     }
 }
 
-int write_reports(faction * f, time_t ltime)
+int write_reports(faction * f)
 {
     bool gotit = false;
     struct report_context ctx;
@@ -1758,7 +1759,6 @@ int reports(void)
 {
     faction *f;
     FILE *mailit;
-    time_t ltime = time(NULL);
     int retval = 0;
     char path[4096];
     const char * rpath = reportpath();
@@ -1775,7 +1775,7 @@ int reports(void)
 
     for (f = factions; f; f = f->next) {
         if (f->email && !fval(f, FFL_NPC)) {
-            int error = write_reports(f, ltime);
+            int error = write_reports(f);
             if (error)
                 retval = error;
             if (mailit)
@@ -1998,6 +1998,7 @@ static void eval_unitsize(struct opstack **stack, const void *userdata)
     const struct unit *u = (const struct unit *)opop(stack).v;
     variant var;
 
+    UNUSED_ARG(userdata);
     var.i = u->number;
     opush(stack, var);
 }
@@ -2009,6 +2010,7 @@ static void eval_faction(struct opstack **stack, const void *userdata)
     size_t len = strlen(c);
     variant var;
 
+    UNUSED_ARG(userdata);
     var.v = strcpy(balloc(len + 1), c);
     opush(stack, var);
 }
@@ -2018,6 +2020,8 @@ static void eval_alliance(struct opstack **stack, const void *userdata)
     const struct alliance *al = (const struct alliance *)opop(stack).v;
     const char *c = alliancename(al);
     variant var;
+
+    UNUSED_ARG(userdata);
     if (c != NULL) {
         size_t len = strlen(c);
         var.v = strcpy(balloc(len + 1), c);
diff --git a/src/reports.h b/src/reports.h
index 0c285257e..d09cce992 100644
--- a/src/reports.h
+++ b/src/reports.h
@@ -60,12 +60,11 @@ extern "C" {
     void sparagraph(struct strlist **SP, const char *s, unsigned int indent, char mark);
     void lparagraph(struct strlist **SP, char *s, unsigned int indent, char mark);
     const char *hp_status(const struct unit *u);
-    size_t spskill(char *pbuf, size_t siz, const struct locale *lang, const struct unit *u, struct skill *sv, int *dh, int days);  /* mapper */
     void spunit(struct strlist **SP, const struct faction *f,
         const struct unit *u, unsigned int indent, seen_mode mode);
 
     int reports(void);
-    int write_reports(struct faction *f, time_t ltime);
+    int write_reports(struct faction *f);
     int init_reports(void);
     void reorder_units(struct region * r);