diff --git a/src/battle.c b/src/battle.c
index 73c0a74ec..8499ae3db 100644
--- a/src/battle.c
+++ b/src/battle.c
@@ -4236,48 +4236,48 @@ static void battle_flee(battle * b)
 }
 
 static bool is_enemy(battle *b, unit *u1, unit *u2) {
-	if (u1->faction != u2->faction) {
-		if (b) {
-			side *es, *s1 = 0, *s2 = 0;
-			for (es = b->sides; es != b->sides + b->nsides; ++es) {
-				if (!s1 && es->faction == u1->faction) s1 = es;
-				else if (!s2 && es->faction == u2->faction) s2 = es;
-				if (s1 && s2) break;
-			}
-			return enemy(s1, s2);
-		}
-		else {
-			return !help_enter(u1, u2);
-		}
-	}
-	return false;
+    if (u1->faction != u2->faction) {
+        if (b) {
+            side *es, *s1 = 0, *s2 = 0;
+            for (es = b->sides; es != b->sides + b->nsides; ++es) {
+                if (!s1 && es->faction == u1->faction) s1 = es;
+                else if (!s2 && es->faction == u2->faction) s2 = es;
+                if (s1 && s2) break;
+            }
+            return enemy(s1, s2);
+        }
+        else {
+            return !help_enter(u1, u2);
+        }
+    }
+    return false;
 }
 
 void force_leave(region *r, battle *b) {
-	unit *u;
+    unit *u;
 
-	for (u = r->units; u; u = u->next) {
-		unit *uo = NULL;
-		if (u->building) {
-			uo = building_owner(u->building);
-		}
-		if (u->ship && r->land) {
-			uo = ship_owner(u->ship);
-		}
-		if (uo && is_enemy(b, uo, u)) {
-			message *msg = NULL;
-			if (u->building) {
-				msg = msg_message("force_leave_building", "unit owner building", u, uo, u->building);
-			}
-			else {
-				msg = msg_message("force_leave_ship", "unit owner ship", u, uo, u->ship);
-			}
-			if (msg) {
-				ADDMSG(&u->faction->msgs, msg);
-			}
-			leave(u, false);
-		}
-	}
+    for (u = r->units; u; u = u->next) {
+        unit *uo = NULL;
+        if (u->building) {
+            uo = building_owner(u->building);
+        }
+        if (u->ship && r->land) {
+            uo = ship_owner(u->ship);
+        }
+        if (uo && is_enemy(b, uo, u)) {
+            message *msg = NULL;
+            if (u->building) {
+                msg = msg_message("force_leave_building", "unit owner building", u, uo, u->building);
+            }
+            else {
+                msg = msg_message("force_leave_ship", "unit owner ship", u, uo, u->ship);
+            }
+            if (msg) {
+                ADDMSG(&u->faction->msgs, msg);
+            }
+            leave(u, false);
+        }
+    }
 }
 
 
diff --git a/src/battle.h b/src/battle.h
index 8d29d733a..618850d31 100644
--- a/src/battle.h
+++ b/src/battle.h
@@ -130,13 +130,13 @@ extern "C" {
     } weapon;
 
     /*** fighter::person::flags ***/
-#define FL_TIRED	  1
+#define FL_TIRED      1
 #define FL_DAZZLED  2           /* durch Untote oder Dämonen eingeschüchtert */
 #define FL_PANICED  4
 #define FL_COURAGE  8           /* Helden fliehen nie */
 #define FL_SLEEPING 16
-#define FL_STUNNED	32      /* eine Runde keinen Angriff */
-#define FL_HIT    	64      /* the person at attacked */
+#define FL_STUNNED    32      /* eine Runde keinen Angriff */
+#define FL_HIT        64      /* the person at attacked */
 
     typedef struct troop {
         struct fighter *fighter;
@@ -270,7 +270,7 @@ extern "C" {
         const struct group * g, unsigned int flags,
         const struct faction * stealthfaction);
     int skilldiff(troop at, troop dt, int dist);
-	void force_leave(struct region *r, struct battle *b);
+    void force_leave(struct region *r, struct battle *b);
 
 #ifdef __cplusplus
 }
diff --git a/src/bind_building.c b/src/bind_building.c
index aa9ba8e79..714b915dd 100644
--- a/src/bind_building.c
+++ b/src/bind_building.c
@@ -1,4 +1,4 @@
-/* 
+/*
 +-------------------+
 |                   |  Enno Rehling <enno@eressea.de>
 | Eressea PBEM host |  Christian Schlittchen <corwin@amber.kn-bremen.de>
@@ -191,13 +191,13 @@ static int tolua_building_create(lua_State * L)
 {
     region *r = (region *)tolua_tousertype(L, 1, 0);
     const char *bname = tolua_tostring(L, 2, 0);
-	if (!r) {
-		log_error("building.create expects a region as argument 1");
-	}
-	if (!bname) {
-		log_error("building.create expects a name as argument 2");
-	}
-	if (bname) {
+    if (!r) {
+        log_error("building.create expects a region as argument 1");
+    }
+    if (!bname) {
+        log_error("building.create expects a name as argument 2");
+    }
+    if (bname) {
         const building_type *btype = bt_find(bname);
         if (btype) {
             building *b = new_building(btype, r, default_locale);
diff --git a/src/creport.c b/src/creport.c
index f33d29c1c..59fa60ecb 100644
--- a/src/creport.c
+++ b/src/creport.c
@@ -1441,13 +1441,13 @@ static void cr_output_region(FILE * F, report_context * ctx, seen_region * sr)
             }
         }
         if (sr->mode == see_unit || sr->mode == see_travel) {
-	    cr_output_messages(F, r->msgs, f);
-	    {
-		message_list *mlist = r_getmessages(r, f);
-		if (mlist)
-		    cr_output_messages(F, mlist, f);
-	    }
-	}
+            cr_output_messages(F, r->msgs, f);
+            {
+                message_list *mlist = r_getmessages(r, f);
+                if (mlist)
+                    cr_output_messages(F, mlist, f);
+            }
+        }
         /* buildings */
         for (b = rbuildings(r); b; b = b->next) {
             int fno = -1;
diff --git a/src/kernel/race.c b/src/kernel/race.c
index 2c86c5e51..53771a24c 100644
--- a/src/kernel/race.c
+++ b/src/kernel/race.c
@@ -183,7 +183,7 @@ race *rc_get_or_create(const char *zName)
         rc->recruit_multi = 1.0F;
         rc->regaura = 1.0F;
         rc->speed = 1.0F;
-		rc->battle_flags = BF_CANATTACK;
+        rc->battle_flags = BF_CANATTACK;
         if (strchr(zName, ' ') != NULL) {
             log_error("race '%s' has an invalid name. remove spaces\n", zName);
             assert(strchr(zName, ' ') == NULL);
diff --git a/src/laws.c b/src/laws.c
index fb4daa76f..40d224e7f 100755
--- a/src/laws.c
+++ b/src/laws.c
@@ -4312,7 +4312,7 @@ bool help_enter(unit *uo, unit *u) {
 }
 
 static void do_force_leave(region *r) {
-	force_leave(r, NULL);
+    force_leave(r, NULL);
 }
 
 bool rule_force_leave(int flags) {
@@ -4356,11 +4356,11 @@ void init_processor(void)
 {
     int p;
 
-	while (processors) {
-		processor * next = processors->next;
-		free(processors);
-		processors = next;
-	}
+    while (processors) {
+        processor * next = processors->next;
+        free(processors);
+        processors = next;
+    }
 
     p = 10;
     add_proc_global(p, new_units, "Neue Einheiten erschaffen");
@@ -4514,7 +4514,7 @@ void processorders(void)
 {
     init_processor();
 
-	update_spells();
+    update_spells();
     process();
     /*************************************************/
 
diff --git a/src/reports.c b/src/reports.c
index be2114f97..51ce2c53b 100644
--- a/src/reports.c
+++ b/src/reports.c
@@ -114,18 +114,18 @@ const char *combatstatus[] = {
 const char *report_kampfstatus(const unit * u, const struct locale *lang)
 {
     static char fsbuf[64]; // FIXME: static return value
-	const char * status = LOC(lang, combatstatus[u->status]);
+    const char * status = LOC(lang, combatstatus[u->status]);
 
-	if (!status) {
-		const char *lname = locale_name(lang);
-		struct locale *wloc = get_or_create_locale(lname);
-		log_error("no translation for combat status %s in %s", combatstatus[u->status], lname);
-		locale_setstring(wloc, combatstatus[u->status], combatstatus[u->status]);
-		strlcpy(fsbuf, combatstatus[u->status], sizeof(fsbuf));
-	}
-	else {
-		strlcpy(fsbuf, status, sizeof(fsbuf));
-	}
+    if (!status) {
+        const char *lname = locale_name(lang);
+        struct locale *wloc = get_or_create_locale(lname);
+        log_error("no translation for combat status %s in %s", combatstatus[u->status], lname);
+        locale_setstring(wloc, combatstatus[u->status], combatstatus[u->status]);
+        strlcpy(fsbuf, combatstatus[u->status], sizeof(fsbuf));
+    }
+    else {
+        strlcpy(fsbuf, status, sizeof(fsbuf));
+    }
     if (fval(u, UFL_NOAID)) {
         strcat(fsbuf, ", ");
         strcat(fsbuf, LOC(lang, "status_noaid"));
@@ -139,7 +139,7 @@ const char *hp_status(const unit * u)
     double p;
     int max_hp = u->number * unit_max_hp(u);
 
-    if (u->hp ==  max_hp)
+    if (u->hp == max_hp)
         return NULL;
 
     p = (double)((double)u->hp / (double)(max_hp));
@@ -978,7 +978,7 @@ void split_paragraph(strlist ** SP, const char *s, unsigned int indent, unsigned
 
     assert(width <= REPORTWIDTH);
     width -= indent;
-    firstline = (mark!=0 && indent>2);
+    firstline = (mark != 0 && indent > 2);
     *SP = 0;
 
     while (len > 0) {
@@ -1002,7 +1002,7 @@ void split_paragraph(strlist ** SP, const char *s, unsigned int indent, unsigned
         if (!cut) {
             cut = s + _min(len, REPORTWIDTH);
         }
-        strncpy(buf+indent, s, cut - s);
+        strncpy(buf + indent, s, cut - s);
         buf[indent + (cut - s)] = 0;
         addstrlist(SP, buf); // TODO: too much string copying, cut out this function
         while (*cut == ' ') {
@@ -2445,7 +2445,7 @@ static void eval_trail(struct opstack **stack, const void *userdata)
         }
     }
     *bufp = 0;
-    var.v = strcpy(balloc((size_t)(bufp - buf +1)), buf);
+    var.v = strcpy(balloc((size_t)(bufp - buf + 1)), buf);
     opush(stack, var);
 #ifdef _SECURECRT_ERRCODE_VALUES_DEFINED
     if (errno == ERANGE) {
diff --git a/src/util/bsdstring.c b/src/util/bsdstring.c
index 865e0198e..5ec87bfa1 100644
--- a/src/util/bsdstring.c
+++ b/src/util/bsdstring.c
@@ -31,7 +31,7 @@ size_t strlcpy(char *dst, const char *src, size_t siz)
     register const char *s = src;
     register size_t n = siz;
 
-	assert(src && dst);
+    assert(src && dst);
     /* Copy as many bytes as will fit */
     if (n != 0 && --n != 0) {
         do {