loguru: add a handful of fixes from upstream

source/build/include/loguru.hpp

@@ -535,7 +535,7 @@ namespace loguru
 
 	// Writes date and time with millisecond precision, e.g. "20151017_161503.123"
 	LOGURU_EXPORT
-	void write_date_time(char* buff, unsigned buff_size);
+	void write_date_time(char* buff, unsigned long long buff_size);
 
 	// Helper: thread-safe version strerror
 	LOGURU_EXPORT
@@ -547,7 +547,7 @@ namespace loguru
 	   where "app_name" is a sanitized version of argv[0].
 	*/
 	LOGURU_EXPORT
-	void suggest_log_path(const char* prefix, char* buff, unsigned buff_size);
+	void suggest_log_path(const char* prefix, char* buff, unsigned long long buff_size);
 
 	enum FileMode { Truncate, Append };
 
@@ -732,13 +732,22 @@ namespace loguru
 	template<class T> inline Text format_value(const T&)                    { return textprintf("N/A");     }
 	template<>        inline Text format_value(const char& v)               { return textprintf(LOGURU_FMT(c),   v); }
 	template<>        inline Text format_value(const int& v)                { return textprintf(LOGURU_FMT(d),   v); }
+	template<>        inline Text format_value(const float& v)              { return textprintf(LOGURU_FMT(f),   v); }
+	template<>        inline Text format_value(const double& v)             { return textprintf(LOGURU_FMT(f),   v); }
+
+#if LOGURU_USE_FMTLIB
+	template<>        inline Text format_value(const unsigned int& v)       { return textprintf(LOGURU_FMT(d), v); }
+	template<>        inline Text format_value(const long& v)               { return textprintf(LOGURU_FMT(d), v); }
+	template<>        inline Text format_value(const unsigned long& v)      { return textprintf(LOGURU_FMT(d), v); }
+	template<>        inline Text format_value(const long long& v)          { return textprintf(LOGURU_FMT(d), v); }
+	template<>        inline Text format_value(const unsigned long long& v) { return textprintf(LOGURU_FMT(d), v); }
+#else
 	template<>        inline Text format_value(const unsigned int& v)       { return textprintf(LOGURU_FMT(u),   v); }
 	template<>        inline Text format_value(const long& v)               { return textprintf(LOGURU_FMT(lu),  v); }
 	template<>        inline Text format_value(const unsigned long& v)      { return textprintf(LOGURU_FMT(ld),  v); }
 	template<>        inline Text format_value(const long long& v)          { return textprintf(LOGURU_FMT(llu), v); }
 	template<>        inline Text format_value(const unsigned long long& v) { return textprintf(LOGURU_FMT(lld), v); }
-	template<>        inline Text format_value(const float& v)              { return textprintf(LOGURU_FMT(f),   v); }
-	template<>        inline Text format_value(const double& v)             { return textprintf(LOGURU_FMT(f),   v); }
+#endif
 
 	/* Thread names can be set for the benefit of readable logs.
 	   If you do not set the thread name, a hex id will be shown instead.

source/build/src/loguru.cpp

@@ -508,10 +508,10 @@ namespace loguru
 				last_is_alpha = std::isalpha(cmd[arg_len], std::locale(""));
 			}
 			catch (...) {
-				last_is_alpha = std::isalpha(cmd[arg_len]);
+				last_is_alpha = std::isalpha(static_cast<int>(cmd[arg_len]));
 			}
 #else
-			last_is_alpha = std::isalpha(cmd[arg_len]);
+			last_is_alpha = std::isalpha(static_cast<int>(cmd[arg_len]));
 #endif
 
 			if (strncmp(cmd, verbosity_flag, arg_len) == 0 && !last_is_alpha) {
@@ -727,7 +727,7 @@ namespace loguru
 		set_name_to_verbosity_callback(nullptr);
 	}
 
-	void write_date_time(char* buff, size_t buff_size)
+	void write_date_time(char* buff, unsigned long long buff_size)
 	{
 		// EDUKE32 MODIFICATION
 		tm time_info;
@@ -773,7 +773,7 @@ namespace loguru
 		#endif // _WIN32
 	}
 
-	void suggest_log_path(const char* prefix, char* buff, unsigned buff_size)
+	void suggest_log_path(const char* prefix, char* buff, unsigned long long buff_size)
 	{
 		if (prefix[0] == '~') {
 			snprintf(buff, buff_size - 1, "%s%s", home_dir(), prefix + 1);