Limiting potential allocation sizes

Author: gershnik

lib/inc/sys_string/impl/platforms/emscripten_javascript.h

@@ -20,7 +20,7 @@ namespace sysstr::util
         using size_type = size_t;
         using hash_type = unsigned;
 
-        static constexpr size_type max_size = std::numeric_limits<size_t>::max() / sizeof(char16_t);
+        static constexpr size_type max_size = std::numeric_limits<ssize_t>::max() / sizeof(char16_t);
     };
 
     template<size_t N>

lib/inc/sys_string/impl/platforms/unix_generic.h

@@ -23,7 +23,7 @@ namespace sysstr::util
         using size_type = size_t;
         using hash_type = unsigned;
 
-        static constexpr size_type max_size = std::numeric_limits<size_t>::max() / sizeof(char);
+        static constexpr size_type max_size = std::numeric_limits<ssize_t>::max() / sizeof(char);
     };
 
     template<size_t N> 

lib/inc/sys_string/impl/platforms/windows_generic.h

@@ -21,7 +21,7 @@ namespace sysstr::util
         using size_type = size_t;
         using hash_type = unsigned;
 
-        static constexpr size_type max_size = std::numeric_limits<size_t>::max() / sizeof(char16_t);
+        static constexpr size_type max_size = std::numeric_limits<ssize_t>::max() / sizeof(char16_t);
     };
 
     template<size_t N> 

lib/inc/sys_string/impl/util/generic_buffer.h

@@ -107,7 +107,7 @@ namespace sysstr::util::generic
         static constexpr uintptr_t dynamic_flag = 0b01;
         using dynamic_type = dynamic_buffer<CharT, SizeT>;
     public:
-        static constexpr SizeT max_size = SizeT(std::numeric_limits<SizeT>::max() - sizeof(dynamic_type)) / sizeof(CharT);
+        static constexpr SizeT max_size = SizeT(std::numeric_limits<std::make_signed_t<SizeT>>::max() - sizeof(dynamic_type)) / sizeof(CharT);
     public:
         buffer() noexcept
         {