Initial checkin of gRPC to third_party/

third_party/grpc/test/core/util/parse_hexstring.c

Index: third_party/grpc/test/core/util/parse_hexstring.c
diff --git a/third_party/tcmalloc/chromium/src/base/synchronization_profiling.h b/third_party/grpc/test/core/util/parse_hexstring.c
similarity index 64%
copy from third_party/tcmalloc/chromium/src/base/synchronization_profiling.h
copy to third_party/grpc/test/core/util/parse_hexstring.c
index cf02c218a111806189f71f7b528a83b5ceb164a4..3ad7ce5828b06a53994236f2c9eda8560dda76e9 100644
--- a/third_party/tcmalloc/chromium/src/base/synchronization_profiling.h
+++ b/third_party/grpc/test/core/util/parse_hexstring.c
@@ -1,4 +1,6 @@
-/* Copyright (c) 2010, Google Inc.
+/*
+ *
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -27,24 +29,42 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- * ---
- * Author: Chris Ruemmler
  */
 
-#ifndef BASE_AUXILIARY_SYNCHRONIZATION_PROFILING_H_
-#define BASE_AUXILIARY_SYNCHRONIZATION_PROFILING_H_
+#include "test/core/util/parse_hexstring.h"
+#include <grpc/support/log.h>
+
+gpr_slice parse_hexstring(const char *hexstring) {
+  size_t nibbles = 0;
+  const char *p = 0;
+  uint8_t *out;
+  uint8_t temp;
+  gpr_slice slice;
+
+  for (p = hexstring; *p; p++) {
+    nibbles += (*p >= '0' && *p <= '9') || (*p >= 'a' && *p <= 'f');
+  }
 
-#include "base/basictypes.h"
+  GPR_ASSERT((nibbles & 1) == 0);
 
-namespace base {
+  slice = gpr_slice_malloc(nibbles / 2);
+  out = GPR_SLICE_START_PTR(slice);
 
-// We can do contention-profiling of SpinLocks, but the code is in
-// mutex.cc, which is not always linked in with spinlock.  Hence we
-// provide a weak definition, which are used if mutex.cc isn't linked in.
+  nibbles = 0;
+  temp = 0;
+  for (p = hexstring; *p; p++) {
+    if (*p >= '0' && *p <= '9') {
+      temp = (uint8_t)(temp << 4) | (uint8_t)(*p - '0');
+      nibbles++;
+    } else if (*p >= 'a' && *p <= 'f') {
+      temp = (uint8_t)(temp << 4) | (uint8_t)(*p - 'a' + 10);
+      nibbles++;
+    }
+    if (nibbles == 2) {
+      *out++ = temp;
+      nibbles = 0;
+    }
+  }
 
-// Submit the number of cycles the spinlock spent contending.
-ATTRIBUTE_WEAK extern void SubmitSpinLockProfileData(const void *, int64);
-extern void SubmitSpinLockProfileData(const void *contendedlock,
-                                      int64 wait_cycles) {}
+  return slice;
 }
-#endif  // BASE_AUXILIARY_SYNCHRONIZATION_PROFILING_H_