From ab42b3e1002306ed343adc47c460788ed31df66f Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Thu, 12 Mar 2020 18:29:48 +0100
Subject: record: Add rtems_record_dump()

Add rtems_record_dump_base64() and rtems_record_dump_base64_zlib().

Add CONFIGURE_RECORD_FATAL_DUMP_BASE64 and
CONFIGURE_RECORD_FATAL_DUMP_BASE64_ZLIB configuration options.

Update #3904.
---
 cpukit/libtrace/record/record-dump-base64.c | 110 ++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 cpukit/libtrace/record/record-dump-base64.c

(limited to 'cpukit/libtrace/record/record-dump-base64.c')

diff --git a/cpukit/libtrace/record/record-dump-base64.c b/cpukit/libtrace/record/record-dump-base64.c
new file mode 100644
index 0000000000..618a00414e
--- /dev/null
+++ b/cpukit/libtrace/record/record-dump-base64.c
@@ -0,0 +1,110 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/*
+ * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/recorddump.h>
+#include <rtems/score/io.h>
+
+#include <limits.h>
+#include <string.h>
+
+typedef struct {
+  IO_Put_char  put_char;
+  void        *arg;
+  int          out;
+  size_t       index;
+  char         buf[ 57 ];
+} dump_context;
+
+static void put_char( int c, void *arg )
+{
+  dump_context *ctx;
+
+  ctx = arg;
+
+  ( *ctx->put_char )( c, ctx->arg );
+  ++ctx->out;
+
+  if ( ctx->out >= 76 ) {
+    ctx->out = 0;
+    ( *ctx->put_char )( '\n', ctx->arg );
+  }
+}
+
+static void chunk( void *arg, const void *data, size_t length )
+{
+  dump_context *ctx;
+  size_t        index;
+  const char   *in;
+  const void   *end;
+
+  ctx = arg;
+  index = ctx->index;
+  in = data;
+  end = in + length;
+
+  while ( in != end ) {
+    ctx->buf[ index ] = *in;
+    ++in;
+
+    if ( index == RTEMS_ARRAY_SIZE( ctx->buf ) - 1 ) {
+      index = 0;
+      _IO_Base64(
+        put_char,
+        ctx,
+        ctx->buf,
+        sizeof( ctx->buf ),
+        NULL,
+        INT_MAX
+      );
+    } else {
+      ++index;
+    }
+  }
+
+  ctx->index = index;
+}
+
+static void flush( dump_context *ctx )
+{
+  _IO_Base64( put_char, ctx, ctx->buf, ctx->index, NULL, INT_MAX );
+}
+
+void rtems_record_dump_base64( IO_Put_char put_char, void *arg )
+{
+  dump_context ctx;
+
+  memset( &ctx, 0, sizeof( ctx ) );
+  ctx.put_char = put_char;
+  ctx.arg = arg;
+
+  rtems_record_dump( chunk, &ctx );
+  flush( &ctx );
+}
-- 
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