explicit conversions

src/message_api.c

@@ -393,7 +393,7 @@ unsigned long long get_bitmask(int num_bits) {
 
 static char* get_base_36_rep(unsigned long long value, int num_sig_bits) {
         
-    int bufsize = ceil(num_sig_bits / _pEp_log2_36) + 1;
+    int bufsize = ((int) ceil((double) num_sig_bits / _pEp_log2_36)) + 1;
     
     // based on
     // https://en.wikipedia.org/wiki/Base36#C_implementation
@@ -478,7 +478,7 @@ static PEP_STATUS generate_message_id(message* msg) {
     
     time_t curr_time = time(NULL);
     
-    time_prefix = get_base_36_rep(curr_time, ceil(log2(curr_time)));
+    time_prefix = get_base_36_rep(curr_time, (int) ceil(log2((double) curr_time)));
 
     if (!time_prefix)
         goto enomem;

src/pEpEngine.c

@@ -1336,7 +1336,7 @@ DYNAMIC_API PEP_STATUS init(PEP_SESSION *session)
     // Note: Following statement is NOT for any cryptographic/secure functionality; it is
     //       ONLY used for some randomness in generated outer message ID, which are
     //       required by the RFC to be globally unique!
-    srand(time(NULL));
+    srand((unsigned int) time(NULL));
     
     return PEP_STATUS_OK;
 

src/pEp_internal.h

@@ -427,6 +427,6 @@ extern int _pEp_rand_max_bits;
 extern double _pEp_log2_36;
 
 static inline void _init_globals() {
-    _pEp_rand_max_bits = ceil(log2(RAND_MAX));
+    _pEp_rand_max_bits = (int) ceil(log2((double) RAND_MAX));
     _pEp_log2_36 = log2(36);
 }

src/platform_windows.cpp

@@ -145,7 +145,7 @@ void *dlopen(const char *filename, int flag) {
 		TEXT("SOFTWARE\\GnuPG"), TEXT("Install Directory"), path,
 		PATH_BUF_SIZE, NULL);
 	// If not found in current user, look up in local machine
-	if (!result)
+	if (!result)
 		result = readRegistryString(HKEY_LOCAL_MACHINE,
 			TEXT("SOFTWARE\\GnuPG"), TEXT("Install Directory"), path,
 			PATH_BUF_SIZE, NULL);