clang-format all core files

1 files changed, 226 insertions, 225 deletions

diff --git a/src/core/channel/compress_filter.c b/src/core/channel/compress_filter.c
index 6acdc72075..f8dbe8c817 100644
--- a/src/core/channel/compress_filter.c
+++ b/src/core/channel/compress_filter.c
@@ -44,14 +44,13 @@
 #include "src/core/compression/message_compress.h"
 #include "src/core/support/string.h"
 
-typedef struct call_data
-{
+typedef struct call_data {
   gpr_slice_buffer slices; /**< Buffers up input slices to be compressed */
   grpc_linked_mdelem compression_algorithm_storage;
   grpc_linked_mdelem accept_encoding_storage;
-    gpr_uint32 remaining_slice_bytes;
-			     /**< Input data to be read, as per BEGIN_MESSAGE */
-  int written_initial_metadata;	/**< Already processed initial md? */
+  gpr_uint32 remaining_slice_bytes;
+  /**< Input data to be read, as per BEGIN_MESSAGE */
+  int written_initial_metadata; /**< Already processed initial md? */
   /** Compression algorithm we'll try to use. It may be given by incoming
    * metadata, or by the channel's default compression settings. */
   grpc_compression_algorithm compression_algorithm;
@@ -59,8 +58,7 @@ typedef struct call_data
   int has_compression_algorithm;
 } call_data;
 
-typedef struct channel_data
-{
+typedef struct channel_data {
   /** Metadata key for the incoming (requested) compression algorithm */
   grpc_mdstr *mdstr_request_compression_algorithm_key;
   /** Metadata key for the outgoing (used) compression algorithm */
@@ -82,62 +80,59 @@ typedef struct channel_data
  * larger than the raw input).
  *
  * Returns 1 if the data was actually compress and 0 otherwise. */
-static int
-compress_send_sb (grpc_compression_algorithm algorithm, gpr_slice_buffer * slices)
-{
+static int compress_send_sb(grpc_compression_algorithm algorithm,
+                            gpr_slice_buffer *slices) {
   int did_compress;
   gpr_slice_buffer tmp;
-  gpr_slice_buffer_init (&tmp);
-  did_compress = grpc_msg_compress (algorithm, slices, &tmp);
-  if (did_compress)
-    {
-      gpr_slice_buffer_swap (slices, &tmp);
-    }
-  gpr_slice_buffer_destroy (&tmp);
+  gpr_slice_buffer_init(&tmp);
+  did_compress = grpc_msg_compress(algorithm, slices, &tmp);
+  if (did_compress) {
+    gpr_slice_buffer_swap(slices, &tmp);
+  }
+  gpr_slice_buffer_destroy(&tmp);
   return did_compress;
 }
 
 /** For each \a md element from the incoming metadata, filter out the entry for
  * "grpc-encoding", using its value to populate the call data's
  * compression_algorithm field. */
-static grpc_mdelem *
-compression_md_filter (void *user_data, grpc_mdelem * md)
-{
+static grpc_mdelem *compression_md_filter(void *user_data, grpc_mdelem *md) {
   grpc_call_element *elem = user_data;
   call_data *calld = elem->call_data;
   channel_data *channeld = elem->channel_data;
 
-  if (md->key == channeld->mdstr_request_compression_algorithm_key)
-    {
-      const char *md_c_str = grpc_mdstr_as_c_string (md->value);
-      if (!grpc_compression_algorithm_parse (md_c_str, strlen (md_c_str), &calld->compression_algorithm))
-	{
-	  gpr_log (GPR_ERROR, "Invalid compression algorithm: '%s' (unknown). Ignoring.", md_c_str);
-	  calld->compression_algorithm = GRPC_COMPRESS_NONE;
-	}
-      if (grpc_compression_options_is_algorithm_enabled (&channeld->compression_options, calld->compression_algorithm) == 0)
-	{
-	  gpr_log (GPR_ERROR, "Invalid compression algorithm: '%s' (previously disabled). " "Ignoring.", md_c_str);
-	  calld->compression_algorithm = GRPC_COMPRESS_NONE;
-	}
-      calld->has_compression_algorithm = 1;
-      return NULL;
+  if (md->key == channeld->mdstr_request_compression_algorithm_key) {
+    const char *md_c_str = grpc_mdstr_as_c_string(md->value);
+    if (!grpc_compression_algorithm_parse(md_c_str, strlen(md_c_str),
+                                          &calld->compression_algorithm)) {
+      gpr_log(GPR_ERROR,
+              "Invalid compression algorithm: '%s' (unknown). Ignoring.",
+              md_c_str);
+      calld->compression_algorithm = GRPC_COMPRESS_NONE;
+    }
+    if (grpc_compression_options_is_algorithm_enabled(
+            &channeld->compression_options, calld->compression_algorithm) ==
+        0) {
+      gpr_log(GPR_ERROR,
+              "Invalid compression algorithm: '%s' (previously disabled). "
+              "Ignoring.",
+              md_c_str);
+      calld->compression_algorithm = GRPC_COMPRESS_NONE;
     }
+    calld->has_compression_algorithm = 1;
+    return NULL;
+  }
 
   return md;
 }
 
-static int
-skip_compression (channel_data * channeld, call_data * calld)
-{
-  if (calld->has_compression_algorithm)
-    {
-      if (calld->compression_algorithm == GRPC_COMPRESS_NONE)
-	{
-	  return 1;
-	}
-      return 0;			/* we have an actual call-specific algorithm */
+static int skip_compression(channel_data *channeld, call_data *calld) {
+  if (calld->has_compression_algorithm) {
+    if (calld->compression_algorithm == GRPC_COMPRESS_NONE) {
+      return 1;
     }
+    return 0; /* we have an actual call-specific algorithm */
+  }
   /* no per-call compression override */
   return channeld->default_compression_algorithm == GRPC_COMPRESS_NONE;
 }
@@ -146,127 +141,126 @@ skip_compression (channel_data * channeld, call_data * calld)
  * the associated GRPC_OP_BEGIN_MESSAGE accordingly (new compressed length,
  * flags indicating compression is in effect) and replaces \a send_ops with it.
  * */
-static void
-finish_compressed_sopb (grpc_stream_op_buffer * send_ops, grpc_call_element * elem)
-{
+static void finish_compressed_sopb(grpc_stream_op_buffer *send_ops,
+                                   grpc_call_element *elem) {
   size_t i;
   call_data *calld = elem->call_data;
-  int new_slices_added = 0;	/* GPR_FALSE */
+  int new_slices_added = 0; /* GPR_FALSE */
   grpc_metadata_batch metadata;
   grpc_stream_op_buffer new_send_ops;
-  grpc_sopb_init (&new_send_ops);
-
-  for (i = 0; i < send_ops->nops; i++)
-    {
-      grpc_stream_op *sop = &send_ops->ops[i];
-      switch (sop->type)
-	{
-	case GRPC_OP_BEGIN_MESSAGE:
-	  GPR_ASSERT (calld->slices.length <= GPR_UINT32_MAX);
-	  grpc_sopb_add_begin_message (&new_send_ops, (gpr_uint32) calld->slices.length, sop->data.begin_message.flags | GRPC_WRITE_INTERNAL_COMPRESS);
-	  break;
-	case GRPC_OP_SLICE:
-	  /* Once we reach the slices section of the original buffer, simply add
-	   * all the new (compressed) slices. We obviously want to do this only
-	   * once, hence the "new_slices_added" guard. */
-	  if (!new_slices_added)
-	    {
-	      size_t j;
-	      for (j = 0; j < calld->slices.count; ++j)
-		{
-		  grpc_sopb_add_slice (&new_send_ops, gpr_slice_ref (calld->slices.slices[j]));
-		}
-	      new_slices_added = 1;	/* GPR_TRUE */
-	    }
-	  break;
-	case GRPC_OP_METADATA:
-	  /* move the metadata to the new buffer. */
-	  grpc_metadata_batch_move (&metadata, &sop->data.metadata);
-	  grpc_sopb_add_metadata (&new_send_ops, metadata);
-	  break;
-	case GRPC_NO_OP:
-	  break;
-	}
+  grpc_sopb_init(&new_send_ops);
+
+  for (i = 0; i < send_ops->nops; i++) {
+    grpc_stream_op *sop = &send_ops->ops[i];
+    switch (sop->type) {
+      case GRPC_OP_BEGIN_MESSAGE:
+        GPR_ASSERT(calld->slices.length <= GPR_UINT32_MAX);
+        grpc_sopb_add_begin_message(
+            &new_send_ops, (gpr_uint32)calld->slices.length,
+            sop->data.begin_message.flags | GRPC_WRITE_INTERNAL_COMPRESS);
+        break;
+      case GRPC_OP_SLICE:
+        /* Once we reach the slices section of the original buffer, simply add
+         * all the new (compressed) slices. We obviously want to do this only
+         * once, hence the "new_slices_added" guard. */
+        if (!new_slices_added) {
+          size_t j;
+          for (j = 0; j < calld->slices.count; ++j) {
+            grpc_sopb_add_slice(&new_send_ops,
+                                gpr_slice_ref(calld->slices.slices[j]));
+          }
+          new_slices_added = 1; /* GPR_TRUE */
+        }
+        break;
+      case GRPC_OP_METADATA:
+        /* move the metadata to the new buffer. */
+        grpc_metadata_batch_move(&metadata, &sop->data.metadata);
+        grpc_sopb_add_metadata(&new_send_ops, metadata);
+        break;
+      case GRPC_NO_OP:
+        break;
     }
-  grpc_sopb_swap (send_ops, &new_send_ops);
-  grpc_sopb_destroy (&new_send_ops);
+  }
+  grpc_sopb_swap(send_ops, &new_send_ops);
+  grpc_sopb_destroy(&new_send_ops);
 }
 
 /** Filter's "main" function, called for any incoming grpc_transport_stream_op
  * instance that holds a non-zero number of send operations, accesible to this
  * function in \a send_ops.  */
-static void
-process_send_ops (grpc_call_element * elem, grpc_stream_op_buffer * send_ops)
-{
+static void process_send_ops(grpc_call_element *elem,
+                             grpc_stream_op_buffer *send_ops) {
   call_data *calld = elem->call_data;
   channel_data *channeld = elem->channel_data;
   size_t i;
   int did_compress = 0;
 
   /* In streaming calls, we need to reset the previously accumulated slices */
-  gpr_slice_buffer_reset_and_unref (&calld->slices);
-  for (i = 0; i < send_ops->nops; ++i)
-    {
-      grpc_stream_op *sop = &send_ops->ops[i];
-      switch (sop->type)
-	{
-	case GRPC_OP_BEGIN_MESSAGE:
-	  /* buffer up slices until we've processed all the expected ones (as
-	   * given by GRPC_OP_BEGIN_MESSAGE) */
-	  calld->remaining_slice_bytes = sop->data.begin_message.length;
-	  if (sop->data.begin_message.flags & GRPC_WRITE_NO_COMPRESS)
-	    {
-	      calld->has_compression_algorithm = 1;	/* GPR_TRUE */
-	      calld->compression_algorithm = GRPC_COMPRESS_NONE;
-	    }
-	  break;
-	case GRPC_OP_METADATA:
-	  if (!calld->written_initial_metadata)
-	    {
-	      /* Parse incoming request for compression. If any, it'll be available
-	       * at calld->compression_algorithm */
-	      grpc_metadata_batch_filter (&(sop->data.metadata), compression_md_filter, elem);
-	      if (!calld->has_compression_algorithm)
-		{
-		  /* If no algorithm was found in the metadata and we aren't
-		   * exceptionally skipping compression, fall back to the channel
-		   * default */
-		  calld->compression_algorithm = channeld->default_compression_algorithm;
-		  calld->has_compression_algorithm = 1;	/* GPR_TRUE */
-		}
-	      /* hint compression algorithm */
-	      grpc_metadata_batch_add_tail (&(sop->data.metadata), &calld->compression_algorithm_storage, GRPC_MDELEM_REF (channeld->mdelem_compression_algorithms[calld->compression_algorithm]));
-
-	      /* convey supported compression algorithms */
-	      grpc_metadata_batch_add_tail (&(sop->data.metadata), &calld->accept_encoding_storage, GRPC_MDELEM_REF (channeld->mdelem_accept_encoding));
-
-	      calld->written_initial_metadata = 1;	/* GPR_TRUE */
-	    }
-	  break;
-	case GRPC_OP_SLICE:
-	  if (skip_compression (channeld, calld))
-	    continue;
-	  GPR_ASSERT (calld->remaining_slice_bytes > 0);
-	  /* Increase input ref count, gpr_slice_buffer_add takes ownership.  */
-	  gpr_slice_buffer_add (&calld->slices, gpr_slice_ref (sop->data.slice));
-	  GPR_ASSERT (GPR_SLICE_LENGTH (sop->data.slice) >= calld->remaining_slice_bytes);
-	  calld->remaining_slice_bytes -= (gpr_uint32) GPR_SLICE_LENGTH (sop->data.slice);
-	  if (calld->remaining_slice_bytes == 0)
-	    {
-	      did_compress = compress_send_sb (calld->compression_algorithm, &calld->slices);
-	    }
-	  break;
-	case GRPC_NO_OP:
-	  break;
-	}
+  gpr_slice_buffer_reset_and_unref(&calld->slices);
+  for (i = 0; i < send_ops->nops; ++i) {
+    grpc_stream_op *sop = &send_ops->ops[i];
+    switch (sop->type) {
+      case GRPC_OP_BEGIN_MESSAGE:
+        /* buffer up slices until we've processed all the expected ones (as
+         * given by GRPC_OP_BEGIN_MESSAGE) */
+        calld->remaining_slice_bytes = sop->data.begin_message.length;
+        if (sop->data.begin_message.flags & GRPC_WRITE_NO_COMPRESS) {
+          calld->has_compression_algorithm = 1; /* GPR_TRUE */
+          calld->compression_algorithm = GRPC_COMPRESS_NONE;
+        }
+        break;
+      case GRPC_OP_METADATA:
+        if (!calld->written_initial_metadata) {
+          /* Parse incoming request for compression. If any, it'll be available
+           * at calld->compression_algorithm */
+          grpc_metadata_batch_filter(&(sop->data.metadata),
+                                     compression_md_filter, elem);
+          if (!calld->has_compression_algorithm) {
+            /* If no algorithm was found in the metadata and we aren't
+             * exceptionally skipping compression, fall back to the channel
+             * default */
+            calld->compression_algorithm =
+                channeld->default_compression_algorithm;
+            calld->has_compression_algorithm = 1; /* GPR_TRUE */
+          }
+          /* hint compression algorithm */
+          grpc_metadata_batch_add_tail(
+              &(sop->data.metadata), &calld->compression_algorithm_storage,
+              GRPC_MDELEM_REF(channeld->mdelem_compression_algorithms
+                                  [calld->compression_algorithm]));
+
+          /* convey supported compression algorithms */
+          grpc_metadata_batch_add_tail(
+              &(sop->data.metadata), &calld->accept_encoding_storage,
+              GRPC_MDELEM_REF(channeld->mdelem_accept_encoding));
+
+          calld->written_initial_metadata = 1; /* GPR_TRUE */
+        }
+        break;
+      case GRPC_OP_SLICE:
+        if (skip_compression(channeld, calld)) continue;
+        GPR_ASSERT(calld->remaining_slice_bytes > 0);
+        /* Increase input ref count, gpr_slice_buffer_add takes ownership.  */
+        gpr_slice_buffer_add(&calld->slices, gpr_slice_ref(sop->data.slice));
+        GPR_ASSERT(GPR_SLICE_LENGTH(sop->data.slice) >=
+                   calld->remaining_slice_bytes);
+        calld->remaining_slice_bytes -=
+            (gpr_uint32)GPR_SLICE_LENGTH(sop->data.slice);
+        if (calld->remaining_slice_bytes == 0) {
+          did_compress =
+              compress_send_sb(calld->compression_algorithm, &calld->slices);
+        }
+        break;
+      case GRPC_NO_OP:
+        break;
     }
+  }
 
   /* Modify the send_ops stream_op_buffer depending on whether compression was
    * carried out */
-  if (did_compress)
-    {
-      finish_compressed_sopb (send_ops, elem);
-    }
+  if (did_compress) {
+    finish_compressed_sopb(send_ops, elem);
+  }
 }
 
 /* Called either:
@@ -274,52 +268,49 @@ process_send_ops (grpc_call_element * elem, grpc_stream_op_buffer * send_ops)
      - a network event (or similar) from below, to receive something
    op contains type and call direction information, in addition to the data
    that is being sent or received. */
-static void
-compress_start_transport_stream_op (grpc_exec_ctx * exec_ctx, grpc_call_element * elem, grpc_transport_stream_op * op)
-{
-  if (op->send_ops && op->send_ops->nops > 0)
-    {
-      process_send_ops (elem, op->send_ops);
-    }
+static void compress_start_transport_stream_op(grpc_exec_ctx *exec_ctx,
+                                               grpc_call_element *elem,
+                                               grpc_transport_stream_op *op) {
+  if (op->send_ops && op->send_ops->nops > 0) {
+    process_send_ops(elem, op->send_ops);
+  }
 
   /* pass control down the stack */
-  grpc_call_next_op (exec_ctx, elem, op);
+  grpc_call_next_op(exec_ctx, elem, op);
 }
 
 /* Constructor for call_data */
-static void
-init_call_elem (grpc_exec_ctx * exec_ctx, grpc_call_element * elem, const void *server_transport_data, grpc_transport_stream_op * initial_op)
-{
+static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
+                           const void *server_transport_data,
+                           grpc_transport_stream_op *initial_op) {
   /* grab pointers to our data from the call element */
   call_data *calld = elem->call_data;
 
   /* initialize members */
-  gpr_slice_buffer_init (&calld->slices);
+  gpr_slice_buffer_init(&calld->slices);
   calld->has_compression_algorithm = 0;
-  calld->written_initial_metadata = 0;	/* GPR_FALSE */
-
-  if (initial_op)
-    {
-      if (initial_op->send_ops && initial_op->send_ops->nops > 0)
-	{
-	  process_send_ops (elem, initial_op->send_ops);
-	}
+  calld->written_initial_metadata = 0; /* GPR_FALSE */
+
+  if (initial_op) {
+    if (initial_op->send_ops && initial_op->send_ops->nops > 0) {
+      process_send_ops(elem, initial_op->send_ops);
     }
+  }
 }
 
 /* Destructor for call_data */
-static void
-destroy_call_elem (grpc_exec_ctx * exec_ctx, grpc_call_element * elem)
-{
+static void destroy_call_elem(grpc_exec_ctx *exec_ctx,
+                              grpc_call_element *elem) {
   /* grab pointers to our data from the call element */
   call_data *calld = elem->call_data;
-  gpr_slice_buffer_destroy (&calld->slices);
+  gpr_slice_buffer_destroy(&calld->slices);
 }
 
 /* Constructor for channel_data */
-static void
-init_channel_elem (grpc_exec_ctx * exec_ctx, grpc_channel_element * elem, grpc_channel * master, const grpc_channel_args * args, grpc_mdctx * mdctx, int is_first, int is_last)
-{
+static void init_channel_elem(grpc_exec_ctx *exec_ctx,
+                              grpc_channel_element *elem, grpc_channel *master,
+                              const grpc_channel_args *args, grpc_mdctx *mdctx,
+                              int is_first, int is_last) {
   channel_data *channeld = elem->channel_data;
   grpc_compression_algorithm algo_idx;
   const char *supported_algorithms_names[GRPC_COMPRESS_ALGORITHMS_COUNT - 1];
@@ -327,72 +318,82 @@ init_channel_elem (grpc_exec_ctx * exec_ctx, grpc_channel_element * elem, grpc_c
   char *accept_encoding_str;
   size_t accept_encoding_str_len;
 
-  grpc_compression_options_init (&channeld->compression_options);
-  channeld->compression_options.enabled_algorithms_bitset = (gpr_uint32) grpc_channel_args_compression_algorithm_get_states (args);
+  grpc_compression_options_init(&channeld->compression_options);
+  channeld->compression_options.enabled_algorithms_bitset =
+      (gpr_uint32)grpc_channel_args_compression_algorithm_get_states(args);
 
-  channeld->default_compression_algorithm = grpc_channel_args_get_compression_algorithm (args);
+  channeld->default_compression_algorithm =
+      grpc_channel_args_get_compression_algorithm(args);
   /* Make sure the default isn't disabled. */
-  GPR_ASSERT (grpc_compression_options_is_algorithm_enabled (&channeld->compression_options, channeld->default_compression_algorithm));
-  channeld->compression_options.default_compression_algorithm = channeld->default_compression_algorithm;
-
-  channeld->mdstr_request_compression_algorithm_key = grpc_mdstr_from_string (mdctx, GRPC_COMPRESS_REQUEST_ALGORITHM_KEY, 0);
-
-  channeld->mdstr_outgoing_compression_algorithm_key = grpc_mdstr_from_string (mdctx, "grpc-encoding", 0);
-
-  channeld->mdstr_compression_capabilities_key = grpc_mdstr_from_string (mdctx, "grpc-accept-encoding", 0);
-
-  for (algo_idx = 0; algo_idx < GRPC_COMPRESS_ALGORITHMS_COUNT; ++algo_idx)
-    {
-      char *algorithm_name;
-      /* skip disabled algorithms */
-      if (grpc_compression_options_is_algorithm_enabled (&channeld->compression_options, algo_idx) == 0)
-	{
-	  continue;
-	}
-      GPR_ASSERT (grpc_compression_algorithm_name (algo_idx, &algorithm_name) != 0);
-      channeld->mdelem_compression_algorithms[algo_idx] = grpc_mdelem_from_metadata_strings (mdctx, GRPC_MDSTR_REF (channeld->mdstr_outgoing_compression_algorithm_key), grpc_mdstr_from_string (mdctx, algorithm_name, 0));
-      if (algo_idx > 0)
-	{
-	  supported_algorithms_names[supported_algorithms_idx++] = algorithm_name;
-	}
+  GPR_ASSERT(grpc_compression_options_is_algorithm_enabled(
+      &channeld->compression_options, channeld->default_compression_algorithm));
+  channeld->compression_options.default_compression_algorithm =
+      channeld->default_compression_algorithm;
+
+  channeld->mdstr_request_compression_algorithm_key =
+      grpc_mdstr_from_string(mdctx, GRPC_COMPRESS_REQUEST_ALGORITHM_KEY, 0);
+
+  channeld->mdstr_outgoing_compression_algorithm_key =
+      grpc_mdstr_from_string(mdctx, "grpc-encoding", 0);
+
+  channeld->mdstr_compression_capabilities_key =
+      grpc_mdstr_from_string(mdctx, "grpc-accept-encoding", 0);
+
+  for (algo_idx = 0; algo_idx < GRPC_COMPRESS_ALGORITHMS_COUNT; ++algo_idx) {
+    char *algorithm_name;
+    /* skip disabled algorithms */
+    if (grpc_compression_options_is_algorithm_enabled(
+            &channeld->compression_options, algo_idx) == 0) {
+      continue;
+    }
+    GPR_ASSERT(grpc_compression_algorithm_name(algo_idx, &algorithm_name) != 0);
+    channeld->mdelem_compression_algorithms[algo_idx] =
+        grpc_mdelem_from_metadata_strings(
+            mdctx,
+            GRPC_MDSTR_REF(channeld->mdstr_outgoing_compression_algorithm_key),
+            grpc_mdstr_from_string(mdctx, algorithm_name, 0));
+    if (algo_idx > 0) {
+      supported_algorithms_names[supported_algorithms_idx++] = algorithm_name;
     }
+  }
 
   /* TODO(dgq): gpr_strjoin_sep could be made to work with statically allocated
    * arrays, as to avoid the heap allocs */
-  accept_encoding_str = gpr_strjoin_sep (supported_algorithms_names, supported_algorithms_idx, ",", &accept_encoding_str_len);
+  accept_encoding_str =
+      gpr_strjoin_sep(supported_algorithms_names, supported_algorithms_idx, ",",
+                      &accept_encoding_str_len);
 
-  channeld->mdelem_accept_encoding = grpc_mdelem_from_metadata_strings (mdctx, GRPC_MDSTR_REF (channeld->mdstr_compression_capabilities_key), grpc_mdstr_from_string (mdctx, accept_encoding_str, 0));
-  gpr_free (accept_encoding_str);
+  channeld->mdelem_accept_encoding = grpc_mdelem_from_metadata_strings(
+      mdctx, GRPC_MDSTR_REF(channeld->mdstr_compression_capabilities_key),
+      grpc_mdstr_from_string(mdctx, accept_encoding_str, 0));
+  gpr_free(accept_encoding_str);
 
-  GPR_ASSERT (!is_last);
+  GPR_ASSERT(!is_last);
 }
 
 /* Destructor for channel data */
-static void
-destroy_channel_elem (grpc_exec_ctx * exec_ctx, grpc_channel_element * elem)
-{
+static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
+                                 grpc_channel_element *elem) {
   channel_data *channeld = elem->channel_data;
   grpc_compression_algorithm algo_idx;
 
-  GRPC_MDSTR_UNREF (channeld->mdstr_request_compression_algorithm_key);
-  GRPC_MDSTR_UNREF (channeld->mdstr_outgoing_compression_algorithm_key);
-  GRPC_MDSTR_UNREF (channeld->mdstr_compression_capabilities_key);
-  for (algo_idx = 0; algo_idx < GRPC_COMPRESS_ALGORITHMS_COUNT; ++algo_idx)
-    {
-      GRPC_MDELEM_UNREF (channeld->mdelem_compression_algorithms[algo_idx]);
-    }
-  GRPC_MDELEM_UNREF (channeld->mdelem_accept_encoding);
+  GRPC_MDSTR_UNREF(channeld->mdstr_request_compression_algorithm_key);
+  GRPC_MDSTR_UNREF(channeld->mdstr_outgoing_compression_algorithm_key);
+  GRPC_MDSTR_UNREF(channeld->mdstr_compression_capabilities_key);
+  for (algo_idx = 0; algo_idx < GRPC_COMPRESS_ALGORITHMS_COUNT; ++algo_idx) {
+    GRPC_MDELEM_UNREF(channeld->mdelem_compression_algorithms[algo_idx]);
+  }
+  GRPC_MDELEM_UNREF(channeld->mdelem_accept_encoding);
 }
 
 const grpc_channel_filter grpc_compress_filter = {
-  compress_start_transport_stream_op,
-  grpc_channel_next_op,
-  sizeof (call_data),
-  init_call_elem,
-  destroy_call_elem,
-  sizeof (channel_data),
-  init_channel_elem,
-  destroy_channel_elem,
-  grpc_call_next_get_peer,
-  "compress"
-};
+    compress_start_transport_stream_op,
+    grpc_channel_next_op,
+    sizeof(call_data),
+    init_call_elem,
+    destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    grpc_call_next_get_peer,
+    "compress"};