remove all trailing tabs and spaces
diff --git a/test/UsefulBuf_Tests.c b/test/UsefulBuf_Tests.c
index 82f2da6..3ec2529 100644
--- a/test/UsefulBuf_Tests.c
+++ b/test/UsefulBuf_Tests.c
@@ -2,7 +2,7 @@
  Copyright (c) 2016-2018, The Linux Foundation.
  Copyright (c) 2018, Laurence Lundblade.
  All rights reserved.
- 
+
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are
 met:
@@ -16,7 +16,7 @@
       contributors, nor the name "Laurence Lundblade" may be used to
       endorse or promote products derived from this software without
       specific prior written permission.
- 
+
 THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
@@ -34,11 +34,11 @@
 
 
 /* Basic exercise...
-   
+
    Call all the main public functions.
- 
+
    Binary compare the result to the expected.
- 
+
    There is nothing adversarial in this test
  */
 const char * UOBTest_NonAdversarial()
@@ -46,16 +46,16 @@
    const char *szReturn = NULL;
 
    UsefulBuf_MAKE_STACK_UB(outbuf,50);
-   
+
    UsefulOutBuf UOB;
-   
+
    UsefulOutBuf_Init(&UOB, outbuf);
-   
+
    if(!UsefulOutBuf_AtStart(&UOB)) {
       szReturn = "Not at start";
       goto Done;
    }
-   
+
    // Put 7 bytes at beginning of buf
    UsefulOutBuf_AppendData(&UOB, "bluster", 7);
 
@@ -63,41 +63,41 @@
       szReturn = "At start";
       goto Done;
    }
-   
+
    // add a space to end
    UsefulOutBuf_AppendByte(&UOB, ' ');
-   
+
    // Add 5 bytes to the end
    UsefulBufC UBC = {"hunny", 5};
    UsefulOutBuf_AppendUsefulBuf(&UOB, UBC);
-   
+
    // Insert 9 bytes at the beginning, slide the previous stuff right
    UsefulOutBuf_InsertData(&UOB, "heffalump", 9, 0);
    UsefulOutBuf_InsertByte(&UOB, ' ', 9);
-   
+
    // Put 9 bytes in at position 10 -- just after "heffalump "
    UsefulBufC UBC2 = {"unbounce ", 9};
    UsefulOutBuf_InsertUsefulBuf(&UOB, UBC2, 10);
-   
+
    // Make it a null terminated string (because all the appends and inserts above not strcpy !)
    UsefulOutBuf_AppendByte(&UOB, '\0');
-   
-   
+
+
    UsefulBufC U = UsefulOutBuf_OutUBuf(&UOB);
-   
+
    const char *expected = "heffalump unbounce bluster hunny";
-   
+
    if(UsefulBuf_IsNULLC(U) || U.len-1 != strlen(expected) || strcmp(expected, U.ptr) || UsefulOutBuf_GetError(&UOB)) {
       szReturn = "OutUBuf";
    }
-   
+
    UsefulBuf_MAKE_STACK_UB(buf, 50);
    UsefulBufC Out =  UsefulOutBuf_CopyOut(&UOB, buf);
-   
+
    if(UsefulBuf_IsNULLC(Out) || Out.len-1 != strlen(expected) || strcmp(expected, Out.ptr)) {
       szReturn = "CopyOut";
    }
-   
+
 Done:
    return szReturn;
 }
@@ -108,26 +108,26 @@
     pUOB is the buffer to append too
     num is the amount to append
     expected is the expected return code, 0 or 1
- 
+
  returns 0 if test passed
- 
+
  */
 static int AppendTest(UsefulOutBuf *pUOB, size_t num, int expected)
 {
    //reset
    UsefulOutBuf_Reset(pUOB);
-   
+
    // check status first
    if(UsefulOutBuf_GetError(pUOB))
       return 1;
-   
+
    // append the bytes
    UsefulOutBuf_AppendData(pUOB, (const uint8_t *)"bluster", num);
-   
+
    // check error status after
    if(UsefulOutBuf_GetError(pUOB) != expected)
       return 1;
-   
+
    return 0;
 }
 
@@ -139,16 +139,16 @@
 {
    // reset
    UsefulOutBuf_Reset(pUOB);
-   
+
    // check
    if(UsefulOutBuf_GetError(pUOB))
       return 1;
-   
+
    UsefulOutBuf_InsertData(pUOB, (const uint8_t *)"bluster", num, pos);
-   
+
    if(UsefulOutBuf_GetError(pUOB) != expected)
       return 1;
-   
+
    return 0;
 }
 
@@ -158,28 +158,28 @@
    - around 0
    - around the buffer size
    - around MAX size_t
- 
- 
+
+
  Test these for the buffer size and the cursor, the insert amount, the append amount and the insert position
- 
+
  */
 
 const char *UOBTest_BoundaryConditionsTest()
 {
    UsefulBuf_MAKE_STACK_UB(outbuf,2);
-   
+
    UsefulOutBuf UOB;
-   
+
    UsefulOutBuf_Init(&UOB, outbuf);
 
    // append 0 byte to a 2 byte buffer --> success
    if(AppendTest(&UOB, 0, 0))
       return "Append 0 bytes failed";
-   
+
    // append 1 byte to a 2 byte buffer --> success
    if(AppendTest(&UOB, 1, 0))
       return "Append of 1 byte failed";
-   
+
    // append 2 byte to a 2 byte buffer --> success
    if(AppendTest(&UOB, 2, 0))
       return "Append to fill buffer failed";
@@ -191,53 +191,53 @@
    // append max size_t to a 2 byte buffer --> failure
    if(AppendTest(&UOB, SIZE_MAX, 1))
       return "Append of SIZE_MAX error not caught";
-   
+
    if(InsertTest(&UOB, 1, 0, 0))
       return "Insert 1 byte at start failed";
 
    if(InsertTest(&UOB, 2, 0, 0))
       return "Insert 2 bytes at start failed";
-   
+
    if(InsertTest(&UOB, 3, 0, 1))
       return "Insert overflow not caught";
-   
+
    if(InsertTest(&UOB, 1, 1, 1))
       return "Bad insertion point not caught";
-   
-   
+
+
    UsefulBuf_MAKE_STACK_UB(outBuf2,10);
-   
+
    UsefulOutBuf_Init(&UOB, outBuf2);
-   
+
    UsefulOutBuf_Reset(&UOB);
    // put data in the buffer
    UsefulOutBuf_AppendString(&UOB, "abc123");
-   
+
    UsefulOutBuf_InsertString(&UOB, "xyz*&^", 0);
-   
+
    if(!UsefulOutBuf_GetError(&UOB)) {
       return "insert with data should have failed";
    }
-   
+
 
    UsefulOutBuf_Init(&UOB, (UsefulBuf){NULL, SIZE_MAX - 5});
    UsefulOutBuf_AppendData(&UOB, "123456789", SIZE_MAX -6);
    if(UsefulOutBuf_GetError(&UOB)) {
       return "insert in huge should have succeeded";
    }
-   
+
    UsefulOutBuf_Init(&UOB, (UsefulBuf){NULL, SIZE_MAX - 5});
    UsefulOutBuf_AppendData(&UOB, "123456789", SIZE_MAX -5);
    if(UsefulOutBuf_GetError(&UOB)) {
       return "insert in huge should have succeeded";
    }
-   
+
    UsefulOutBuf_Init(&UOB, (UsefulBuf){NULL, SIZE_MAX - 5});
    UsefulOutBuf_AppendData(&UOB, "123456789", SIZE_MAX - 4);
    if(!UsefulOutBuf_GetError(&UOB)) {
       return "lengths near max size";
    }
-   
+
    return NULL;
 }
 
@@ -250,15 +250,15 @@
 const char *TestBasicSanity()
 {
    UsefulBuf_MAKE_STACK_UB(outbuf,10);
-   
+
    UsefulOutBuf UOB;
-   
+
    // First -- make sure that the room left function returns the right amount
    UsefulOutBuf_Init(&UOB, outbuf);
- 
+
    if(UsefulOutBuf_RoomLeft(&UOB) != 10)
       return "room left failed";
-   
+
    if(!UsefulOutBuf_WillItFit(&UOB, 9)) {
       return "it did not fit";
    }
@@ -266,27 +266,27 @@
    if(UsefulOutBuf_WillItFit(&UOB, 11)) {
       return "it should have not fit";
    }
-   
-   
+
+
    // Next -- make sure that the magic number checking is working right
    UOB.magic = 8888; // make magic bogus
-   
+
    UsefulOutBuf_AppendData(&UOB, (const uint8_t *)"bluster", 7);
-   
+
    if(!UsefulOutBuf_GetError(&UOB))
       return "magic corruption check failed";
-   
-   
-   
+
+
+
    // Next make sure that the valid data length check is working right
    UsefulOutBuf_Init(&UOB, outbuf);
-   
+
    UOB.data_len = UOB.UB.len+1; // make size bogus
-   
+
    UsefulOutBuf_AppendData(&UOB, (const uint8_t *)"bluster", 7);
    if(!UsefulOutBuf_GetError(&UOB))
       return "valid data check failed";
-   
+
    return NULL;
 }
 
@@ -295,11 +295,11 @@
 const char *UBMacroConversionsTest()
 {
    char *szFoo = "foo";
-   
+
    UsefulBufC Foo = UsefulBuf_FromSZ(szFoo);
    if(Foo.len != 3 || strncmp(Foo.ptr, szFoo, 3))
       return "SZToUsefulBufC failed";
-   
+
    UsefulBufC Too = UsefulBuf_FROM_SZ_LITERAL("Toooo");
    if(Too.len != 5 || strncmp(Too.ptr, "Toooo", 5))
       return "UsefulBuf_FROM_SZ_LITERAL failed";
@@ -308,13 +308,13 @@
    UsefulBufC Boo = UsefulBuf_FROM_BYTE_ARRAY_LITERAL(pB);
    if(Boo.len != 3 || strncmp(Boo.ptr, "Boo", 3))
      return "UsefulBuf_FROM_BYTE_ARRAY_LITERAL failed";
-   
+
    char *sz = "not const"; // some data for the test
    UsefulBuf B = (UsefulBuf){sz, sizeof(sz)};
    UsefulBufC BC = UsefulBuf_Const(B);
    if(BC.len != sizeof(sz) || BC.ptr != sz)
       return "UsefulBufConst failed";
-   
+
    return NULL;
 }
 
@@ -322,7 +322,7 @@
 const char *UBUtilTests()
 {
    UsefulBuf UB = NULLUsefulBuf;
-   
+
    if(!UsefulBuf_IsNULL(UB)){
       return "IsNull failed";
    }
@@ -330,64 +330,64 @@
    if(!UsefulBuf_IsEmpty(UB)){
       return "IsEmpty failed";
    }
-   
+
    if(!UsefulBuf_IsNULLOrEmpty(UB)) {
       return "IsNULLOrEmpty failed";
    }
-   
+
    const UsefulBufC UBC = UsefulBuf_Const(UB);
-   
+
    if(!UsefulBuf_IsNULLC(UBC)){
       return "IsNull const failed";
    }
-   
+
    if(!UsefulBuf_IsEmptyC(UBC)){
       return "IsEmptyC failed";
    }
-   
+
    if(!UsefulBuf_IsNULLOrEmptyC(UBC)){
       return "IsNULLOrEmptyC failed";
    }
-   
+
    const UsefulBuf UB2 = UsefulBuf_Unconst(UBC);
    if(!UsefulBuf_IsEmpty(UB2)) {
       return "Back to UB is Empty failed";
    }
-   
+
    UB.ptr = "x"; // just some valid pointer
-   
+
    if(UsefulBuf_IsNULL(UB)){
       return "IsNull failed";
    }
-   
+
    if(!UsefulBuf_IsEmptyC(UBC)){
       return "IsEmpty failed";
    }
-   
+
    // test the Unconst.
    if(UsefulBuf_Unconst(UBC).ptr != NULL) {
       return "Unconst failed";
    }
-   
+
    // Set 100 bytes of '+'; validated a few tests later
    UsefulBuf_MAKE_STACK_UB(Temp, 100);
    const UsefulBufC TempC = UsefulBuf_Set(Temp, '+');
-   
+
    // Try to copy into a buf that is too small and see failure
    UsefulBuf_MAKE_STACK_UB(Temp2, 99);
    if(!UsefulBuf_IsNULLC(UsefulBuf_Copy(Temp2, TempC))) {
       return "Copy should have failed";
    }
-   
+
    if(UsefulBuf_IsNULLC(UsefulBuf_CopyPtr(Temp2, "xx", 2))) {
       return "CopyPtr failed";
    }
-   
+
    UsefulBufC xxyy = UsefulBuf_CopyOffset(Temp2, 2, UsefulBuf_FROM_SZ_LITERAL("yy"));
    if(UsefulBuf_IsNULLC(xxyy)) {
       return "CopyOffset Failed";
    }
-   
+
    if(UsefulBuf_Compare(UsefulBuf_Head(xxyy, 3), UsefulBuf_FROM_SZ_LITERAL("xxy"))) {
       return "head failed";
    }
@@ -395,7 +395,7 @@
    if(UsefulBuf_Compare(UsefulBuf_Tail(xxyy, 1), UsefulBuf_FROM_SZ_LITERAL("xyy"))) {
       return "tail failed";
    }
-   
+
    if(!UsefulBuf_IsNULLC(UsefulBuf_Head(xxyy, 5))) {
       return "head should have failed";
    }
@@ -403,27 +403,27 @@
    if(!UsefulBuf_IsNULLC(UsefulBuf_Tail(xxyy, 5))) {
       return "tail should have failed";
    }
-   
+
    if(!UsefulBuf_IsNULLC(UsefulBuf_CopyOffset(Temp2, 100, UsefulBuf_FROM_SZ_LITERAL("yy")))) {
       return "Copy Offset should have failed";
    }
-   
+
    // Try to copy into a NULL/empty buf and see failure
    const UsefulBuf UBNull = NULLUsefulBuf;
    if(!UsefulBuf_IsNULLC(UsefulBuf_Copy(UBNull, TempC))) {
       return "Copy to NULL should have failed";
    }
-   
-   
+
+
    // Try to set a NULL/empty buf; nothing should happen
    UsefulBuf_Set(UBNull, '+'); // This will crash on failure
-   
+
    // Copy successfully to a buffer
    UsefulBuf_MAKE_STACK_UB(Temp3, 101);
    if(UsefulBuf_IsNULLC(UsefulBuf_Copy(Temp3, TempC))) {
       return "Copy should not have failed";
    }
-   
+
    static const uint8_t pExpected[] = {
       '+',  '+',  '+',  '+', '+',  '+',  '+', '+',  '+',  '+',
       '+',  '+',  '+',  '+', '+',  '+',  '+', '+',  '+',  '+',
@@ -441,12 +441,12 @@
    if(UsefulBuf_Compare(Expected, TempC)) {
       return "Set / Copy / Compare failed";
    }
-   
+
    // Compare two empties and expect success
    if(UsefulBuf_Compare(NULLUsefulBufC, NULLUsefulBufC)){
       return "Compare Empties failed";
    }
-   
+
    // Compare with empty and expect the first to be larger
    if(UsefulBuf_Compare(Expected, NULLUsefulBufC) <= 0){
       return "Compare with empty failed";
@@ -466,13 +466,13 @@
       '+',  '+',  '+',  '+', '+',  '+',  '+', '+',  '+',  ',',
    };
    const UsefulBufC ExpectedBigger = UsefulBuf_FROM_BYTE_ARRAY_LITERAL(pExpectedBigger);
-   
+
    // Expect -1 when the first arg is smaller
    if(UsefulBuf_Compare(Expected, ExpectedBigger) >= 0){
       return "Compare with bigger";
    }
 
-   
+
    static const uint8_t pExpectedSmaller[] = {
       '+',  '+',  '+',  '+', '+',  '+',  '+', '+',  '+',  '+',
       '+',  '+',  '+',  '+', '+',  '+',  '+', '+',  '+',  '+',
@@ -490,8 +490,8 @@
    if(UsefulBuf_Compare(Expected, ExpectedSmaller) <= 0){
       return "Compare with smaller";
    }
-   
-   
+
+
    static const uint8_t pExpectedLonger[] = {
       '+',  '+',  '+',  '+', '+',  '+',  '+', '+',  '+',  '+',
       '+',  '+',  '+',  '+', '+',  '+',  '+', '+',  '+',  '+',
@@ -505,13 +505,13 @@
       '+',  '+',  '+',  '+', '+',  '+',  '+', '+',  '+',  '+', '+'
    };
    const UsefulBufC ExpectedLonger = UsefulBuf_FROM_BYTE_ARRAY_LITERAL(pExpectedLonger);
-   
+
    // Expect -1 when the first arg is smaller
    if(UsefulBuf_Compare(Expected, ExpectedLonger) >= 0){
       return "Compare with longer";
    }
 
-   
+
    static const uint8_t pExpectedShorter[] = {
       '+',  '+',  '+',  '+', '+',  '+',  '+', '+',  '+',  '+',
       '+',  '+',  '+',  '+', '+',  '+',  '+', '+',  '+',  '+',
@@ -529,21 +529,21 @@
    if(UsefulBuf_Compare(Expected, ExpectedShorter) <= 0){
       return "Compare with shorter";
    }
-   
-   
+
+
    if(UsefulBuf_IsNULLC(UsefulBuf_Copy(Temp, NULLUsefulBufC))) {
       return "Copy null/empty failed";
    }
-   
+
    // Look for +++++... in +++++... and find it at the beginning
    if(0 != UsefulBuf_FindBytes(ExpectedLonger, ExpectedShorter)){
       return "Failed to find";
    }
-   
+
    // look for ++* in ....++* and find it at the end
    static const uint8_t pToFind[] = {'+', '+', '*'};
    const UsefulBufC ToBeFound = UsefulBuf_FROM_BYTE_ARRAY_LITERAL(pToFind);
-   
+
    if(97 != UsefulBuf_FindBytes(ExpectedSmaller, ToBeFound)){
       return "Failed to find 2";
    }
@@ -552,12 +552,12 @@
    if(SIZE_MAX != UsefulBuf_FindBytes(ExpectedBigger, ToBeFound)){
       return "Failed to not find";
    }
-   
+
    // Look for the whole buffer in itself and succeed.
    if(0 != UsefulBuf_FindBytes(ExpectedLonger, ExpectedLonger)){
       return "Failed to find 3";
    }
-   
+
    return NULL;
 }
 
@@ -565,40 +565,40 @@
 const char *  UIBTest_IntegerFormat()
 {
    UsefulOutBuf_MakeOnStack(UOB,100);
-   
+
    const uint32_t u32 = 0x0A0B0C0D; // from https://en.wikipedia.org/wiki/Endianness
    const uint64_t u64 = 1984738472938472;
    const uint16_t u16 = 40000;
    const uint8_t  u8 = 9;
    const float    f  = (float)314.15;
    const double   d  = 2.1e10;
-   
-   
+
+
    UsefulOutBuf_AppendUint32(&UOB, u32); // Also tests UsefulOutBuf_InsertUint64 and UsefulOutBuf_GetEndPosition
    UsefulOutBuf_AppendUint64(&UOB, u64); // Also tests UsefulOutBuf_InsertUint32
    UsefulOutBuf_AppendUint16(&UOB, u16); // Also tests UsefulOutBuf_InsertUint16
    UsefulOutBuf_AppendByte(&UOB, u8);
    UsefulOutBuf_AppendFloat(&UOB, f); // Also tests UsefulOutBuf_InsertFloat
    UsefulOutBuf_AppendDouble(&UOB, d); // Also tests UsefulOutBuf_InsertDouble
-   
+
    const UsefulBufC O = UsefulOutBuf_OutUBuf(&UOB);
    if(UsefulBuf_IsNULLC(O))
       return "Couldn't output integers";
-   
+
    // from https://en.wikipedia.org/wiki/Endianness
    const uint8_t pExpectedNetworkOrder[4] = {0x0A, 0x0B, 0x0C, 0x0D};
    if(memcmp(O.ptr, pExpectedNetworkOrder, 4)) {
       return "not in network order";
    }
-   
+
    UsefulInputBuf UIB;
-   
+
    UsefulInputBuf_Init(&UIB, O);
-   
+
    if(UsefulInputBuf_Tell(&UIB) != 0) {
       return "UsefulInputBuf_Tell failed";
    }
-   
+
    if(UsefulInputBuf_GetUint32(&UIB) != u32) {
       return "u32 out then in failed";
    }
@@ -620,7 +620,7 @@
 
    // Reset and go again for a few more tests
    UsefulInputBuf_Init(&UIB, O);
-   
+
    const UsefulBufC Four = UsefulInputBuf_GetUsefulBuf(&UIB, 4);
    if(UsefulBuf_IsNULLC(Four)) {
       return "Four is NULL";
@@ -628,7 +628,7 @@
    if(UsefulBuf_Compare(Four, UsefulBuf_FROM_BYTE_ARRAY_LITERAL(pExpectedNetworkOrder))) {
       return "Four compare failed";
    }
-   
+
    if(UsefulInputBuf_BytesUnconsumed(&UIB) != 23){
       return "Wrong number of unconsumed bytes";
    }
@@ -640,28 +640,28 @@
    if(UsefulInputBuf_BytesAvailable(&UIB, 24)){
       return "Wrong number of bytes available II";
    }
-   
+
    UsefulInputBuf_Seek(&UIB, 0);
-   
+
    if(UsefulInputBuf_GetError(&UIB)) {
       return "unexpected error after seek";
    }
-   
+
    const uint8_t *pGetBytes = (const uint8_t *)UsefulInputBuf_GetBytes(&UIB, 4);
    if(pGetBytes == NULL) {
       return "GetBytes returns NULL";
    }
-   
+
    if(memcmp(pGetBytes, pExpectedNetworkOrder, 4)) {
       return "Got wrong bytes";
    }
-   
+
    UsefulInputBuf_Seek(&UIB, 28);
 
    if(!UsefulInputBuf_GetError(&UIB)) {
       return "expected error after seek";
    }
-   
+
    return NULL;
 }
 
@@ -675,15 +675,15 @@
    if(UsefulBufUtil_CopyDoubleToUint64(4e-40F) != 0X37C16C2800000000ULL) {
       return "CopyDoubleToUint64 failed";
    }
-   
+
    if(UsefulBufUtil_CopyUint64ToDouble(0X37C16C2800000000ULL) != 4e-40F) {
       return "CopyUint64ToDouble failed";
    }
-   
+
    if(UsefulBufUtil_CopyUint32ToFloat(0x47800000) != 65536.0F) {
       return "CopyUint32ToFloat failed";
    }
-   
+
    return NULL;
 }