fix coverity scan errors

CMakeLists.txt

@@ -13,6 +13,7 @@ endif (MSVC)
 
 INCLUDE (CheckSymbolExists)
 CHECK_SYMBOL_EXISTS(strlcat string.h HAVE_STRLCAT)
+CHECK_SYMBOL_EXISTS(strdup string.h HAVE_STRDUP)
 
 find_package (SQLite3)
 find_package (BerkeleyDB)

src/CMakeLists.txt

@@ -267,9 +267,13 @@ add_test(server test_eressea)
 install(TARGETS eressea DESTINATION "bin")
 
 if (HAVE_STRLCAT)
-	add_definitions(-DHAVE_BSDSTRING)
+  add_definitions(-DHAVE_BSDSTRING)
 endif(HAVE_STRLCAT)
 
+if (HAVE_STRDUP)
+  add_definitions(-DHAVE_STRDUP)
+endif(HAVE_STRDUP)
+
 if (DB_FOUND)
 include_directories (${DB_INCLUDE_DIR})
 target_link_libraries(convert ${DB_LIBRARIES})

src/battle.c

@@ -190,7 +190,7 @@ static char *sidename(side * s)
     static char sidename_buf[4][SIDENAMEBUFLEN];  /* STATIC_RESULT: used for return, not across calls */
 
     bufno = bufno % 4;
-    strncpy(sidename_buf[bufno], factionname(s->stealthfaction ? s->stealthfaction : s->faction), SIDENAMEBUFLEN);
+    strlcpy(sidename_buf[bufno], factionname(s->stealthfaction ? s->stealthfaction : s->faction), SIDENAMEBUFLEN);
     return sidename_buf[bufno++];
 }
 

src/kernel/orderdb.c

@@ -6,6 +6,7 @@
 
 #include <critbit.h>
 
+#include <assert.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -14,12 +15,15 @@ void odata_create(order_data **pdata, size_t len, const char *str)
     order_data *data;
     char *result;
 
+    assert(pdata);
     data = malloc(sizeof(order_data) + len + 1);
     data->_refcount = 1;
     result = (char *)(data + 1);
     data->_str = (len > 0) ? result : NULL;
-    if (str) strcpy(result, str);
-    if (pdata) *pdata = data;
+    if (str) {
+        strcpy(result, str);
+    }
+    *pdata = data;
 }
 
 void odata_release(order_data * od)

src/names.c

@@ -277,7 +277,7 @@ static void dragon_name(unit * u)
     else {
         char n[32];
 
-        snprintf(n, sizeof(n), "%s%s%s", silbe1[rng_int() % SIL1], silbe2[rng_int() % SIL1], silbe3[rng_int() % SIL1]);
+        snprintf(n, sizeof(n), "%s%s%s", silbe1[rng_int() % SIL1], silbe2[rng_int() % SIL2], silbe3[rng_int() % SIL3]);
         if (rng_int() % 5 > 2) {
             sprintf(name, "%s, %s", n, str);  /* "Name, der Titel" */
         }