Remove references to UNITY_EXCLUDE_SIZEOF, rework config header

examples/unity_config.h

 /* Unity Configuration
  * As of May 11th, 2016 at ThrowTheSwitch/Unity commit 837c529
+ * Update: August 25th, 2016
  * See Also: Unity/docs/UnityConfigurationGuide.pdf
  *
  * Unity is designed to run on almost anything that is targeted by a C compiler.
@@ -53,31 +54,22 @@ extern "C"
  * automatically.
  **************************************************************************** */
 
-/* The first thing that Unity does to guess your types is check `stdint.h`. This
- * file includes defines like `UINT_MAX` that Unity can make use of to learn a
- * lot about your system. It's possible you don't want it to do this or it's
+/* The first attempt to guess your types is to check `limits.h`. Some compilers
+ * that don't support `stdint.h` could include `limits.h`. If you don't
+ * want Unity to check this file, define this to make it skip the inclusion.
+ * Unity looks at UINT_MAX & ULONG_MAX, which were available since C89.
+ */
+/* #define UNITY_EXCLUDE_LIMITS_H */
+
+/* The second thing that Unity does to guess your types is check `stdint.h`.
+ * This file defines `UINTPTR_MAX`, since C99, that Unity can make use of to
+ * learn about your system. It's possible you don't want it to do this or it's
  * possible that your system doesn't support `stdint.h`. If that's the case,
  * you're going to want to define this. That way, Unity will know to skip the
  * inclusion of this file and you won't be left with a compiler error.
  */
 /* #define UNITY_EXCLUDE_STDINT_H */
 
-/* The second attempt to guess your types is to check `limits.h`. Some compilers
- * that don't support `stdint.h` could include `limits.h` instead. If you don't
- * want Unity to check this file either, define this to make it skip the
- * inclusion.
- */
-/* #define UNITY_EXCLUDE_LIMITS_H */
-
-/* The third and final attempt to guess your types is to use the `sizeof()`
- * operator. Even if the first two options don't work, this one covers most
- * cases. There _is_ a rare compiler or two out there that doesn't support
- * `sizeof()` in the preprocessing stage, though. For these, you have the
- * ability to disable this feature as well.
- */
-/* #define UNITY_EXCLUDE_SIZEOF */
-
-
 /* ********************** MANUAL INTEGER TYPE DEFINITION ***********************
  * If you've disabled all of the automatic options above, you're going to have
  * to do the configuration yourself. There are just a handful of defines that

src/unity.h

@@ -27,12 +27,11 @@ void tearDown(void);
  *     - Unity attempts to automatically discover your integer sizes
  *       - define UNITY_EXCLUDE_STDINT_H to stop attempting to look in <stdint.h>
  *       - define UNITY_EXCLUDE_LIMITS_H to stop attempting to look in <limits.h>
- *       - define UNITY_EXCLUDE_SIZEOF to stop attempting to use sizeof in macros
  *     - If you cannot use the automatic methods above, you can force Unity by using these options:
  *       - define UNITY_SUPPORT_64
- *       - define UNITY_INT_WIDTH
- *       - UNITY_LONG_WIDTH
- *       - UNITY_POINTER_WIDTH
+ *       - set UNITY_INT_WIDTH
+ *       - set UNITY_LONG_WIDTH
+ *       - set UNITY_POINTER_WIDTH
 
  * Floats
  *     - define UNITY_EXCLUDE_FLOAT to disallow floating point comparisons

src/unity_internals.h

@@ -34,7 +34,7 @@
  * Guess Widths If Not Specified
  *-------------------------------------------------------*/
 
-/* Determine the size of an int, if not already specificied.
+/* Determine the size of an int, if not already specified.
  * We cannot use sizeof(int), because it is not yet defined
  * at this stage in the translation of the C program.
  * Therefore, infer it from UINT_MAX if possible. */
@@ -440,7 +440,7 @@ void UnityPrintFloat(const _UF number);
 #endif
 
 /*-------------------------------------------------------
- * Test Assertion Fuctions
+ * Test Assertion Functions
  *-------------------------------------------------------
  *  Use the macros below this section instead of calling
  *  these directly. The macros have a consistent naming

test/targets/gcc_32.yml

@@ -22,7 +22,6 @@ compiler:
     items:
       - UNITY_EXCLUDE_STDINT_H
       - UNITY_EXCLUDE_LIMITS_H
-      - UNITY_EXCLUDE_SIZEOF
       - UNITY_INCLUDE_DOUBLE
       - UNITY_SUPPORT_TEST_CASES
       - UNITY_INT_WIDTH=32

test/targets/gcc_64.yml

@@ -22,7 +22,6 @@ compiler:
     items:
       - UNITY_EXCLUDE_STDINT_H
       - UNITY_EXCLUDE_LIMITS_H
-      - UNITY_EXCLUDE_SIZEOF
       - UNITY_INCLUDE_DOUBLE
       - UNITY_SUPPORT_TEST_CASES
       - UNITY_SUPPORT_64