FS-11892 [switch_console] fix stream write_function

src/switch_console.c

@@ -150,7 +150,6 @@ SWITCH_DECLARE_NONSTD(switch_status_t) switch_console_stream_raw_write(switch_st
 SWITCH_DECLARE_NONSTD(switch_status_t) switch_console_stream_write(switch_stream_handle_t *handle, const char *fmt, ...)
 {
 	va_list ap;
-	char *buf = handle->data;
 	char *end = handle->end;
 	int ret = 0;
 	char *data = NULL;
@@ -178,7 +177,6 @@ SWITCH_DECLARE_NONSTD(switch_status_t) switch_console_stream_write(switch_stream
 			if ((new_data = realloc(handle->data, new_len))) {
 				handle->data_size = handle->alloc_len = new_len;
 				handle->data = new_data;
-				buf = handle->data;
 				remaining = handle->data_size - handle->data_len;
 				handle->end = (uint8_t *) (handle->data) + handle->data_len;
 				end = handle->end;
@@ -194,7 +192,7 @@ SWITCH_DECLARE_NONSTD(switch_status_t) switch_console_stream_write(switch_stream
 		} else {
 			ret = 0;
 			switch_snprintf(end, remaining, "%s", data);
-			handle->data_len = strlen(buf);
+			handle->data_len += strlen(data);
 			handle->end = (uint8_t *) (handle->data) + handle->data_len;
 		}
 		free(data);

tests/unit/Makefile.am

@@ -1,6 +1,6 @@
 include $(top_srcdir)/build/modmake.rulesam
 
-bin_PROGRAMS = switch_event switch_hash switch_ivr_originate switch_utils switch_core
+bin_PROGRAMS = switch_event switch_hash switch_ivr_originate switch_utils switch_core switch_console
 AM_LDFLAGS  = -avoid-version -no-undefined $(SWITCH_AM_LDFLAGS) $(openssl_LIBS)
 AM_LDFLAGS += $(FREESWITCH_LIBS) $(switch_builddir)/libfreeswitch.la $(CORE_LIBS) $(APR_LIBS)
 AM_CFLAGS   = $(SWITCH_AM_CPPFLAGS)

tests/unit/switch_console.c

@@ -0,0 +1,82 @@
+/*
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005-2018, Anthony Minessale II <anthm@freeswitch.org>
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II <anthm@freeswitch.org>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Konstantin Molchanov <molchanov.kv@gmail.com>
+ *
+ *
+ * switch_utils.c -- tests switch_utils
+ *
+ */
+
+#include <stdio.h>
+#include <switch.h>
+#include <test/switch_test.h>
+
+FST_MINCORE_BEGIN()
+
+FST_SUITE_BEGIN(SWITCH_STANDARD_STREAM)
+
+FST_SETUP_BEGIN()
+{
+}
+FST_SETUP_END()
+
+FST_TEARDOWN_BEGIN()
+{
+}
+FST_TEARDOWN_END()
+
+FST_TEST_BEGIN(benchmark)
+{
+	switch_stream_handle_t stream = { 0 };
+	SWITCH_STANDARD_STREAM(stream);
+
+	char expected_result[] = {'A', 0x00, 0x01, 0x02, 'B'};
+	char raw_data[] = {0x00, 0x01, 0x02};
+
+	stream.write_function(&stream, "%s", "A");
+	stream.raw_write_function(&stream, (uint8_t *) raw_data, sizeof(raw_data));
+	stream.write_function(&stream, "B");
+
+	fst_requires(stream.data_len == sizeof(expected_result));
+	fst_requires(memcmp(stream.data, expected_result, sizeof(expected_result)) == 0);
+
+	switch_safe_free(stream.data);
+}
+FST_TEST_END()
+
+FST_SUITE_END()
+
+FST_MINCORE_END()
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
+ */