Re-sync c-core 1.73.0-pre1

Author: HannahShiSFB

third_party/upb/upb/base/internal/endian.h

@@ -0,0 +1,46 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2023 Google LLC.  All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file or at
+// https://developers.google.com/open-source/licenses/bsd
+
+#ifndef UPB_BASE_INTERNAL_ENDIAN_H_
+#define UPB_BASE_INTERNAL_ENDIAN_H_
+
+#include <stdint.h>
+
+// Must be last.
+#include "upb/port/def.inc"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+UPB_INLINE bool upb_IsLittleEndian(void) {
+  const int x = 1;
+  return *(char*)&x == 1;
+}
+
+UPB_INLINE uint32_t upb_BigEndian32(uint32_t val) {
+  if (upb_IsLittleEndian()) return val;
+
+  return ((val & 0xff) << 24) | ((val & 0xff00) << 8) |
+         ((val & 0xff0000) >> 8) | ((val & 0xff000000) >> 24);
+}
+
+UPB_INLINE uint64_t upb_BigEndian64(uint64_t val) {
+  if (upb_IsLittleEndian()) return val;
+
+  const uint64_t hi = ((uint64_t)upb_BigEndian32((uint32_t)val)) << 32;
+  const uint64_t lo = upb_BigEndian32((uint32_t)(val >> 32));
+  return hi | lo;
+}
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#include "upb/port/undef.inc"
+
+#endif /* UPB_BASE_INTERNAL_ENDIAN_H_ */

third_party/upb/upb/base/internal/log2.h

@@ -0,0 +1,40 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2023 Google LLC.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+///
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file or at
+// https://developers.google.com/open-source/licenses/bsd
+
+#ifndef UPB_BASE_INTERNAL_LOG2_H_
+#define UPB_BASE_INTERNAL_LOG2_H_
+
+// Must be last.
+#include "upb/port/def.inc"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+UPB_INLINE int upb_Log2Ceiling(int x) {
+  if (x <= 1) return 0;
+#ifdef __GNUC__
+  return 32 - __builtin_clz(x - 1);
+#else
+  int lg2 = 0;
+  while ((1 << lg2) < x) lg2++;
+  return lg2;
+#endif
+}
+
+UPB_INLINE int upb_RoundUpToPowerOfTwo(int x) {
+  return 1 << upb_Log2Ceiling(x);
+}
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#include "upb/port/undef.inc"
+
+#endif /* UPB_BASE_INTERNAL_LOG2_H_ */