got rid of compiler warnings

makefile

@@ -38,8 +38,8 @@ UNITTEST_CPPOBJ  := $(patsubst %.cpp,$(OBJ_DIR)%.o,$(UNITTEST_SOURCES))
 
 INTEGRATIONTEST_CPPOBJ  := $(patsubst %.cpp,$(OBJ_DIR)%.o,$(INTEGRATIONTEST_SOURCES))
 
-CFLAGS      := $(INCLUDES:%=-I%) -g
-TESTFLAGS   := $(INCLUDES:%=-I%) -g -fprofile-arcs -ftest-coverage
+CFLAGS      := $(INCLUDES:%=-I%) -g -Wall -Werror
+TESTFLAGS   := $(INCLUDES:%=-I%) -g -Wall -Werror -fprofile-arcs -ftest-coverage
 TESTLFLAGS  := -fprofile-arcs -Wl,--allow-multiple-definition
 
 DEPEND      = -MT $@ -MF "$(@:%.o=%.d)" -MG -MM

src/shellmatta_utils.c

@@ -69,7 +69,7 @@ uint32_t utils_shellItoa(int32_t value, char *buffer, uint32_t base)
         do
         {
             digitValue = (char) (value % base);
-            tempBuffer[i] = (digitValue < 10u) ? ('0' + digitValue) : (('A' - 10) + digitValue);
+            tempBuffer[i] = (digitValue < 10) ? ('0' + digitValue) : (('A' - 10) + digitValue);
             value /= base;
             i ++;
         }while(value > 0);
@@ -327,7 +327,7 @@ static shellmatta_retCode_t helpCmdFct(shellmatta_handle_t handle, const char *a
 
     return ret;
 }
-shellmatta_cmd_t helpCmd = {"help", "h", "Print this help text", "help", helpCmdFct, NULL};
+shellmatta_cmd_t helpCmd = {(char*)"help", (char*)"h", (char*)"Print this help text", (char*)"help", helpCmdFct, NULL};
 
 /**
  * @brief       terminates an input and prints the prompt again

test/integrationtest/test_integration.cpp

@@ -31,7 +31,7 @@ static shellmatta_retCode_t doSomething(shellmatta_handle_t handle, const char *
     shellmatta_printf(handle, "%s - length: %u", arguments, length);
     return SHELLMATTA_OK;
 }
-shellmatta_cmd_t doSomethingCmd = {"doSomething", "do", "Function does something", "use me, please", doSomething, NULL};
+shellmatta_cmd_t doSomethingCmd = {(char*)"doSomething", (char*)"do", (char*)"Function does something", (char*)"use me, please", doSomething, NULL};
 
 
 TEST_CASE( "shellmatta empty function" ) {
@@ -40,7 +40,7 @@ TEST_CASE( "shellmatta empty function" ) {
     shellmatta_handle_t handle;
     char buffer[1024];
     char historyBuffer[1024];
-    char *dummyData =   "\r\nshellmatta->";
+    char *dummyData =   (char*)"\r\nshellmatta->";
 
     shellmatta_doInit(  &inst,
                         &handle,
@@ -56,7 +56,7 @@ TEST_CASE( "shellmatta empty function" ) {
     memset(write_data, 0, sizeof(write_data));
     write_length = 0u;
 
-    shellmatta_processData(handle, "\r", 1);
+    shellmatta_processData(handle, (char*)"\r", 1);
 
     CHECK( write_length == 14u);
     REQUIRE( strcmp(dummyData, write_data) == 0);
@@ -69,7 +69,7 @@ TEST_CASE( "shellmatta help function" ) {
     shellmatta_handle_t handle;
     char buffer[1024];
     char historyBuffer[1024];
-    char *dummyData =   "h\r\n"
+    char *dummyData =   (char*)"h\r\n"
                         "doSomething  do  Function does something  use me, please\r\n"
                         "help         h   Print this help text     help\r\n"
                         "\r\nshellmatta->";
@@ -89,7 +89,7 @@ TEST_CASE( "shellmatta help function" ) {
     memset(write_data, 0, sizeof(write_data));
     write_length = 0u;
 
-    shellmatta_processData(handle, "h\r", 2);
+    shellmatta_processData(handle, (char*)"h\r", 2);
 
     CHECK( write_length == 123u);
     CHECK( strcmp(dummyData, write_data) == 0);
@@ -99,12 +99,12 @@ TEST_CASE( "shellmatta help function" ) {
     memset(write_data, 0, sizeof(write_data));
     write_length = 0u;
 
-    dummyData =     "h 564 321 56 465 46\r\n"
+    dummyData =     (char*)"h 564 321 56 465 46\r\n"
                     "doSomething  do  Function does something  use me, please\r\n"
                     "help         h   Print this help text     help\r\n"
                     "\r\nshellmatta->";
 
-    shellmatta_processData(handle, "h 564 321 56 465 46\r", 20);
+    shellmatta_processData(handle, (char*)"h 564 321 56 465 46\r", 20);
 
     CHECK( write_length == 141u);
     CHECK( strcmp(dummyData, write_data) == 0);
@@ -114,11 +114,11 @@ TEST_CASE( "shellmatta help function" ) {
     memset(write_data, 0, sizeof(write_data));
     write_length = 0u;
 
-    dummyData = "hr\r\n"
+    dummyData = (char*)"hr\r\n"
                 "Command: hr not found"
                 "\r\nshellmatta->";
 
-    shellmatta_processData(handle, "hr\r", 3);
+    shellmatta_processData(handle, (char*)"hr\r", 3);
 
     CHECK( write_length == 39u);
     REQUIRE( strcmp(dummyData, write_data) == 0);
@@ -132,7 +132,7 @@ TEST_CASE( "shellmatta heredoc test" ) {
     shellmatta_handle_t handle;
     char buffer[1024];
     char historyBuffer[1024];
-    char *dummyData =   "do this \r\n"
+    char *dummyData =   (char*)"do this \r\n"
                         "asdf\r\n"
                         "1234";
 
@@ -150,7 +150,7 @@ TEST_CASE( "shellmatta heredoc test" ) {
     doSomethingArguments = NULL;
     doSomethingLength = 0u;
 
-    shellmatta_processData(handle, "do this << EOF\r\n"
+    shellmatta_processData(handle, (char*)"do this << EOF\r\n"
                                     "asdf\r\n"
                                     "1234\r\n"
                                     "EOF\r\n"

test/unittest/shellmatta_utils/test_utils_eraseLine.cpp

@@ -19,7 +19,6 @@ TEST_CASE( "shellmatta_utils_eraseLine" ) {
 
     shellmatta_instance_t inst;
     char buffer[20];
-    char dummyData[29];
 
     inst.buffer = buffer;
     inst.bufferSize = 20;

test/unittest/shellmatta_utils/test_utils_forwardCursor.cpp

@@ -19,7 +19,6 @@ TEST_CASE( "shellmatta_utils_forwardCursor normal" ) {
 
     shellmatta_instance_t inst;
     char buffer[20];
-    char dummyData[29];
 
     inst.buffer = buffer;
     inst.bufferSize = 20;
@@ -44,7 +43,6 @@ TEST_CASE( "shellmatta_utils_forwardCursor normal echo off" ) {
 
     shellmatta_instance_t inst;
     char buffer[20];
-    char dummyData[29];
 
     inst.buffer = buffer;
     inst.bufferSize = 20;
@@ -70,7 +68,6 @@ TEST_CASE( "shellmatta_utils_forwardCursor forward by 12 with cursor at 5 and in
 
     shellmatta_instance_t inst;
     char buffer[20];
-    char dummyData[29];
 
     inst.buffer = buffer;
     inst.bufferSize = 20;
@@ -95,7 +92,6 @@ TEST_CASE( "shellmatta_utils_forwardCursor forward by 0" ) {
 
     shellmatta_instance_t inst;
     char buffer[20];
-    char dummyData[29];
 
     inst.buffer = buffer;
     inst.bufferSize = 20;

test/unittest/shellmatta_utils/test_utils_insertChars.cpp

@@ -19,7 +19,7 @@ TEST_CASE( "shellmatta_insertChars normal call" ) {
 
     inst.write = writeFct;
 
-    utils_insertChars(&inst, "blksdflsd kfjlk", 4);
+    utils_insertChars(&inst, (char*)"blksdflsd kfjlk", 4);
 
     CHECK( inst.cursor == 12);
     REQUIRE( inst.inputCount == 14);

test/unittest/shellmatta_utils/test_utils_restoreCursorPos.cpp

@@ -19,7 +19,6 @@ TEST_CASE( "shellmatta_utils_restoreCursorPos" ) {
 
     shellmatta_instance_t inst;
     char buffer[20];
-    char dummyData[29];
 
     inst.buffer = buffer;
     inst.bufferSize = 20;

test/unittest/shellmatta_utils/test_utils_rewindCursor.cpp

@@ -19,7 +19,6 @@ TEST_CASE( "shellmatta_utils_rewindCursor normal" ) {
 
     shellmatta_instance_t inst;
     char buffer[20];
-    char dummyData[29];
 
     inst.buffer = buffer;
     inst.bufferSize = 20;
@@ -45,7 +44,6 @@ TEST_CASE( "shellmatta_utils_rewindCursor rewind by 12 with cursor at 10" ) {
 
     shellmatta_instance_t inst;
     char buffer[20];
-    char dummyData[29];
 
     inst.buffer = buffer;
     inst.bufferSize = 20;
@@ -70,7 +68,6 @@ TEST_CASE( "shellmatta_utils_rewindCursor rewind by 0" ) {
 
     shellmatta_instance_t inst;
     char buffer[20];
-    char dummyData[29];
 
     inst.buffer = buffer;
     inst.bufferSize = 20;

test/unittest/shellmatta_utils/test_utils_saveCursorPos.cpp

@@ -19,7 +19,6 @@ TEST_CASE( "shellmatta_utils_saveCursorPos" ) {
 
     shellmatta_instance_t inst;
     char buffer[20];
-    char dummyData[29];
 
     inst.buffer = buffer;
     inst.bufferSize = 20;