Merge commit 'c992cb4e42cc223f67ede0e48d7ff3f4947af0c6' as 'test/compatibility/C/uWebSockets'

test/compatibility/C/uWebSockets/src/Utilities.h

@@ -0,0 +1,66 @@
+/*
+ * Authored by Alex Hultman, 2018-2019.
+ * Intellectual property of third-party.
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+
+ *     http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef UWS_UTILITIES_H
+#define UWS_UTILITIES_H
+
+/* Various common utilities */
+
+#include <cstdint>
+
+namespace uWS {
+namespace utils {
+
+inline int u32toaHex(uint32_t value, char *dst) {
+    char palette[] = "0123456789abcdef";
+    char temp[10];
+    char *p = temp;
+    do {
+        *p++ = palette[value % 16];
+        value /= 16;
+    } while (value > 0);
+
+    int ret = (int) (p - temp);
+
+    do {
+        *dst++ = *--p;
+    } while (p != temp);
+
+    return ret;
+}
+
+inline int u32toa(uint32_t value, char *dst) {
+    char temp[10];
+    char *p = temp;
+    do {
+        *p++ = (char) ((value % 10) + '0');
+        value /= 10;
+    } while (value > 0);
+
+    int ret = (int) (p - temp);
+
+    do {
+        *dst++ = *--p;
+    } while (p != temp);
+
+    return ret;
+}
+
+}
+}
+
+#endif // UWS_UTILITIES_H