use compat implementations of strlcpy and strlcat

strlcpy and strlcat Emscripten implementations cause ASAN errors. This commit disables strlcpy and strlcat detection and uses the compat implementations instead.

CMakeLists.txt

@@ -220,14 +220,17 @@ if(HAVE_STRCASECMP)
 	add_definitions(-DHAVE_STRCASECMP)
 endif()
 
-check_function_exists(strlcat HAVE_STRLCAT)
-if(HAVE_STRLCAT)
-	add_definitions(-DHAVE_STRLCAT)
-endif()
+# Emscripten's strlcat and strlcpy triggers ASAN errors
+if(NOT EMSCRIPTEN)
+	check_function_exists(strlcat HAVE_STRLCAT)
+	if(HAVE_STRLCAT)
+		add_definitions(-DHAVE_STRLCAT)
+	endif()
 
-check_function_exists(strlcpy HAVE_STRLCPY)
-if(HAVE_STRLCPY)
-	add_definitions(-DHAVE_STRLCPY)
+	check_function_exists(strlcpy HAVE_STRLCPY)
+	if(HAVE_STRLCPY)
+		add_definitions(-DHAVE_STRLCPY)
+	endif()
 endif()
 
 check_function_exists(strndup HAVE_STRNDUP)