Clean up many warnings. add clang_strict target to help uncover warnings

src/unity.c

@@ -92,7 +92,7 @@ void UnityPrint(const char* string)
             else
             {
                 UNITY_OUTPUT_CHAR('\\');
-                UnityPrintNumberHex((_U_SINT)*pch, 2);
+                UnityPrintNumberHex((_U_UINT)*pch, 2);
             }
             pch++;
         }
@@ -112,7 +112,7 @@ void UnityPrintNumberByStyle(const _U_SINT number, const UNITY_DISPLAY_STYLE_T s
     }
     else
     {
-        UnityPrintNumberHex((_U_UINT)number, (style & 0x000F) << 1);
+        UnityPrintNumberHex((_U_UINT)number, (char)((style & 0x000F) << 1));
     }
 }
 
@@ -252,7 +252,7 @@ void UnityTestResultsBegin(const char* file, const UNITY_LINE_TYPE line)
     UNITY_PRINT_EOL;
     UnityPrint(file);
     UNITY_OUTPUT_CHAR(':');
-    UnityPrintNumber(line);
+    UnityPrintNumber((_U_SINT)line);
     UNITY_OUTPUT_CHAR(':');
     UnityPrint(Unity.CurrentTestName);
     UNITY_OUTPUT_CHAR(':');
@@ -372,9 +372,9 @@ void UnityAssertBits(const _U_SINT mask,
     {
         UnityTestResultsFailBegin(lineNumber);
         UnityPrint(UnityStrExpected);
-        UnityPrintMask(mask, expected);
+        UnityPrintMask((_U_UINT)mask, (_U_UINT)expected);
         UnityPrint(UnityStrWas);
-        UnityPrintMask(mask, actual);
+        UnityPrintMask((_U_UINT)mask, (_U_UINT)actual);
         UnityAddMsgIfSpecified(msg);
         UNITY_FAIL_AND_BAIL;
     }
@@ -429,7 +429,7 @@ void UnityAssertEqualIntArray(UNITY_PTR_ATTRIBUTE const void* expected,
     // If style is UNITY_DISPLAY_STYLE_INT, we'll fall into the default case rather than the INT16 or INT32 (etc) case
     // as UNITY_DISPLAY_STYLE_INT includes a flag for UNITY_DISPLAY_RANGE_AUTO, which the width-specific
     // variants do not. Therefore remove this flag.
-    switch(style & ~UNITY_DISPLAY_RANGE_AUTO)
+    switch(style & (UNITY_DISPLAY_STYLE_T)(~UNITY_DISPLAY_RANGE_AUTO))
     {
         case UNITY_DISPLAY_STYLE_HEX8:
         case UNITY_DISPLAY_STYLE_INT8:
@@ -1098,7 +1098,7 @@ void tearDown(void);
 void UnityDefaultTestRun(UnityTestFunction Func, const char* FuncName, const int FuncLineNum)
 {
     Unity.CurrentTestName = FuncName;
-    Unity.CurrentTestLineNumber = FuncLineNum;
+    Unity.CurrentTestLineNumber = (UNITY_LINE_TYPE)FuncLineNum;
     Unity.NumberOfTests++;
     if (TEST_PROTECT())
     {
@@ -1130,11 +1130,11 @@ int UnityEnd(void)
 {
     UnityPrint("-----------------------");
     UNITY_PRINT_EOL;
-    UnityPrintNumber(Unity.NumberOfTests);
+    UnityPrintNumber((_U_SINT)(Unity.NumberOfTests));
     UnityPrint(" Tests ");
-    UnityPrintNumber(Unity.TestFailures);
+    UnityPrintNumber((_U_SINT)(Unity.TestFailures));
     UnityPrint(" Failures ");
-    UnityPrintNumber(Unity.TestIgnores);
+    UnityPrintNumber((_U_SINT)(Unity.TestIgnores));
     UnityPrint(" Ignored");
     UNITY_PRINT_EOL;
     if (Unity.TestFailures == 0U)
@@ -1146,5 +1146,5 @@ int UnityEnd(void)
         UnityPrintFail();
     }
     UNITY_PRINT_EOL;
-    return Unity.TestFailures;
+    return (int)(Unity.TestFailures);
 }

targets/clang_strict.yml

@@ -0,0 +1,83 @@
+---
+compiler:
+  path: clang
+  source_path:     'src/'
+  unit_tests_path: &unit_tests_path 'test/'
+  build_path:      &build_path 'build/'
+  options:
+    - '-c'
+    - '-Wall'
+    - '-Wextra'
+    - '-Werror'
+    - '-Wcast-qual'
+    - '-Wconversion'
+    - '-Wdisabled-optimization'
+    - '-Wformat=2'
+    - '-Winit-self'
+    - '-Winline'
+    - '-Winvalid-pch'
+    - '-Wmissing-declarations'
+    - '-Wmissing-include-dirs'
+    - '-Wmissing-prototypes'
+    - '-Wnonnull'
+    - '-Wpacked'
+    - '-Wpointer-arith'
+    - '-Wredundant-decls'
+    - '-Wswitch-default'
+    - '-Wstrict-aliasing'
+    - '-Wstrict-overflow=5'
+    - '-Wuninitialized'
+    - '-Wunused'
+    - '-Wunreachable-code'
+    - '-Wreturn-type'
+    - '-Wshadow'
+    - '-Wundef'
+    - '-Wwrite-strings'
+    - '-Wno-missing-declarations'
+    - '-Wno-missing-prototypes'
+    - '-Wno-nested-externs'
+    - '-Wno-redundant-decls'
+    - '-Wno-unused-parameter'
+    - '-Wno-variadic-macros'
+    - '-Wbad-function-cast'
+    - '-fms-extensions'
+    - '-fno-omit-frame-pointer'
+    - '-ffloat-store'
+    - '-fno-common'
+    - '-fstrict-aliasing'
+    - '-std=gnu99'
+    - '-pedantic'
+    - '-O0'
+  includes:
+    prefix: '-I'
+    items:
+      - 'src/'
+      - '../src/'
+      - *unit_tests_path
+  defines:
+    prefix: '-D'
+    items:
+      - UNITY_INCLUDE_DOUBLE
+      - UNITY_SUPPORT_TEST_CASES
+      - UNITY_SUPPORT_64
+  object_files:
+    prefix: '-o'
+    extension: '.o'
+    destination: *build_path
+linker:
+  path: gcc
+  options:
+    - -lm
+    - '-m64'
+  includes:
+    prefix: '-I'
+  object_files:
+    path: *build_path
+    extension: '.o'
+  bin_files:
+    prefix: '-o'
+    extension: '.exe'
+    destination: *build_path
+colour: true
+:unity:
+  :plugins: []

test/testunity.c

@@ -62,7 +62,7 @@ void testUnitySizeInitializationReminder(void)
     /* This test ensures that sizeof(struct _Unity) doesn't change. If this
      * test breaks, go look at the initialization of the Unity global variable
      * in unity.c and make sure we're filling in the proper fields. */
-    char * message = "Unexpected size for _Unity struct. Please check that "
+    const char* message = "Unexpected size for _Unity struct. Please check that "
                      "the initialization of the Unity symbol in unity.c is "
                      "still correct.";
 
@@ -151,7 +151,7 @@ void testFail(void)
 void testIsNull(void)
 {
     char* ptr1 = NULL;
-    char* ptr2 = "hello";
+    const char* ptr2 = "hello";
 
     TEST_ASSERT_NULL(ptr1);
     TEST_ASSERT_NOT_NULL(ptr2);
@@ -159,7 +159,7 @@ void testIsNull(void)
 
 void testIsNullShouldFailIfNot(void)
 {
-    char* ptr1 = "hello";
+    const char* ptr1 = "hello";
 
     EXPECT_ABORT_BEGIN
     TEST_ASSERT_NULL(ptr1);
@@ -1940,8 +1940,8 @@ void testEqualInt64s(void)
     _US64 v0, v1;
     _US64 *p0, *p1;
 
-    v0 = 0x9876543201234567;
-    v1 = 0x9876543201234567;
+    v0 = (_US64)0x9876543201234567;
+    v1 = (_US64)0x9876543201234567;
     p0 = &v0;
     p1 = &v1;