jmpenn 1d0e324c6f Fix a variety of bugs found in dllist.c while addressing Issue #1559. (#1577) ... * Fix a variety of bugs found in dllist.c while addressing Issue #1559. * Added More descriptive error messages. * Wrote google-test based unit tests for the DLL List library. * Deleted old, incomplete test program. * Added new function DLL_ListContainsPos which determines whether the given list contains the node at the given pos. * DLLFind bug: Added check to determine whether a compare function has been specified, and emit an error message if it hasn’t. * DLL_FindIndex bug: Corrected bounds checking. * DLL_GetAt bug: Added check to ensure that the specified pos is actually in the given list. * DLL_SetAt bug: Added check to ensure that the specified pos is actually in the given list. * DLL_RemoveAt: corrected logic mistake in NULL ptr check. Added check to ensure that the specified pos is actually in the given list. * DLL_InsertBefore bug: element count not correctly updated. * DLL_InsertAfter: next and prev ptrs not correctly updated, which corrupted the list. * DLL_GetNext bug: logic error in NULL ptr checks. Added check to ensure that the specified pos is actually in the given list. * DLL_GetPrev bug: logic error in NULL ptr checks. Added check to ensure that the specified pos is actually in the given list. * DLL_AddHead: Fixed NULL check logic error. * DLL_AddTail: Fixed NULL check logic error. * Address review comments, remove extraneous make target. * Change false to 0 in dllist.c		2023-10-05 13:33:38 -05:00
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dllist_unittest.cpp	Fix a variety of bugs found in dllist.c while addressing Issue #1559. (#1577)	2023-10-05 13:33:38 -05:00
Makefile	Fix a variety of bugs found in dllist.c while addressing Issue #1559. (#1577)	2023-10-05 13:33:38 -05:00