Initial checkin of gRPC to third_party/

third_party/grpc/src/php/ext/grpc/byte_buffer.c

Index: third_party/grpc/src/php/ext/grpc/byte_buffer.c
diff --git a/third_party/tcmalloc/chromium/src/base/thread_lister.c b/third_party/grpc/src/php/ext/grpc/byte_buffer.c
similarity index 55%
copy from third_party/tcmalloc/chromium/src/base/thread_lister.c
copy to third_party/grpc/src/php/ext/grpc/byte_buffer.c
index bc180dba7a9f2ba3b8261009c8af85f0b1d4a023..8be0a206073698d90a9890b27c977a74aaa937a2 100644
--- a/third_party/tcmalloc/chromium/src/base/thread_lister.c
+++ b/third_party/grpc/src/php/ext/grpc/byte_buffer.c
@@ -1,4 +1,6 @@
-/* Copyright (c) 2005-2007, Google Inc.
+/*
+ *
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -27,51 +29,50 @@
  * (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: Markus Gutschke
  */
 
+#ifdef HAVE_CONFIG_H
 #include "config.h"
-#include <stdio.h>         /* needed for NULL on some powerpc platforms (?!) */
-#ifdef HAVE_SYS_PRCTL
-# include <sys/prctl.h>
 #endif
-#include "base/thread_lister.h"
-#include "base/linuxthreads.h"
-/* Include other thread listers here that define THREADS macro
- * only when they can provide a good implementation.
- */
 
-#ifndef THREADS
+#include <php.h>
+#include <php_ini.h>
+#include <ext/standard/info.h>
+#include <ext/spl/spl_exceptions.h>
+#include "php_grpc.h"
 
-/* Default trivial thread lister for single-threaded applications,
- * or if the multi-threading code has not been ported, yet.
- */
+#include <string.h>
 
-int ListAllProcessThreads(void *parameter,
-                          ListAllProcessThreadsCallBack callback, ...) {
-  int rc;
-  va_list ap;
-  pid_t pid;
+#include "byte_buffer.h"
 
-#ifdef HAVE_SYS_PRCTL
-  int dumpable = prctl(PR_GET_DUMPABLE, 0);
-  if (!dumpable)
-    prctl(PR_SET_DUMPABLE, 1);
-#endif
-  va_start(ap, callback);
-  pid = getpid();
-  rc = callback(parameter, 1, &pid, ap);
-  va_end(ap);
-#ifdef HAVE_SYS_PRCTL
-  if (!dumpable)
-    prctl(PR_SET_DUMPABLE, 0);
-#endif
-  return rc;
-}
+#include <grpc/grpc.h>
+#include <grpc/byte_buffer_reader.h>
+#include <grpc/support/slice.h>
 
-int ResumeAllProcessThreads(int num_threads, pid_t *thread_pids) {
-  return 1;
+grpc_byte_buffer *string_to_byte_buffer(char *string, size_t length) {
+  gpr_slice slice = gpr_slice_from_copied_buffer(string, length);
+  grpc_byte_buffer *buffer = grpc_raw_byte_buffer_create(&slice, 1);
+  gpr_slice_unref(slice);
+  return buffer;
 }
 
-#endif   /* ifndef THREADS */
+void byte_buffer_to_string(grpc_byte_buffer *buffer, char **out_string,
+                           size_t *out_length) {
+  if (buffer == NULL) {
+    *out_string = NULL;
+    *out_length = 0;
+    return;
+  }
+  size_t length = grpc_byte_buffer_length(buffer);
+  char *string = ecalloc(length + 1, sizeof(char));
+  size_t offset = 0;
+  grpc_byte_buffer_reader reader;
+  grpc_byte_buffer_reader_init(&reader, buffer);
+  gpr_slice next;
+  while (grpc_byte_buffer_reader_next(&reader, &next) != 0) {
+    memcpy(string + offset, GPR_SLICE_START_PTR(next), GPR_SLICE_LENGTH(next));
+    offset += GPR_SLICE_LENGTH(next);
+  }
+  *out_string = string;
+  *out_length = length;
+}