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--- notes:data:fall2022:projects:sll3 [2022/10/14 14:15] – [FIXES] zswartwo
+++ notes:data:fall2022:projects:sll3 [2022/10/19 21:42] (current) – [PROGRAM] dmuck
@@ Line 49: / Line 49: @@
 *For anybody interested in editing the wiki page, here is the dokuwiki user guide: https://www.dokuwiki.org/wiki:syntax#basic_text_formatting -Ash
 =====PROGRAM=====
-Inside list.h, the included header file given to you when you upgraded, and that you've had for the past few iterations of this project, was updated with additional variables. Two new variables were added to the list struct. Those are qty and next. Next is a pointer to the next list, we are now dealing with groups of linked lists. Qty contains the amount of nodes in the list. Other than that, nothing has changed inside the list.h file given to you. This project should take minimal time, don't be surprised if it seems too easy, that's why sll3 and sll4 are due both the week after break week. More detailed information about the types of qty and the next pointer are specified above in the specifications section.
+Inside list.h, the included header file given to you when you upgraded, and that you've had for the past few iterations of this project was updated with additional variables. Two new variables were added to the list struct.
+Those are qty and next.
+  * [next] is a pointer to the next list, we are now dealing with groups of linked lists. (myList -> next)
+  * [qty] contains the amount of nodes in the list. (myList -> qty)
+Other than that, nothing has changed inside the list.h file given to you. This project should take minimal time, don't be surprised if it seems too easy, that's why sll3 and sll4 are due both the week after break week. More detailed information about the types of qty and the next pointer are specified above in the specifications section.
+Remember- with the new quantity property, you only want to change it's value if you are adding/removing nodes to the list (Only in insert, append, and obtain). Also, be sure you check that you are not incrementing the quantity if inserting NULL to the list, or else your quantity will be incorrect (qty 1 number off on insert unit test). This should be checked for each function that inserts/removes nodes from the list.
 =====OUTPUT SPECIFICATIONS=====
 Nothing has changed in terms of output from your original five functions. Only add functionality of the new variables to the previously made functions.
 =====UNIT TESTS=====
 Unit Tests are again located inside bin/ after you compile. To compile, from the base sll3 directory, make clean(should be done every time but first time is not necessary) then make.  An errors file will be created after running make, this may be helpful if things aren't compiling correctly. Unit Tests will have more tests in each than previous, these tests are for your next and qty variables.
+=====DEBUGGING=====
+Useful tools for debugging issues are gdb and examining the test files themselves. to utilize gdb, run the test program with the gdb command (not make check), with a command that might look like "gdb ./bin/unit-lobtain". Once in gdb the "run" command with start the program, and "break (line number)" will cause the program to stop at the specified line number. Once you have hit the breakpoint you can use "display (variable name)" to see the value of a variable at every step, "n" to step to the next line, and "continue" to continue running the program until the next breakpoint. Note that if you encounter a seg fault the program will tell the where the seg fault occurs, and you can use "run" again to restart the program.

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