Prelim Proj

Last edited 761 days ago by Eddie Coda.

Certainly, let's review the assumptions and the problems identified:

Assumptions:

The code is being executed from the `zero` directory. This assumption is based on the provided project structure and the relative paths used in the test files.

The `result` directory does not exist when the program is run. This assumption is based on your description of the problem.

3. The test files (`testalphabetcount.c` and `testspecialcharcount.c`) are not to be modified. This is based on the project instructions you provided. 4. The output files (`result.txt` and `specialresult.txt`) do not exist when the program is run. They should be created by the program.

Problems identified: 1. The `charcount` function in `count.c` was not correctly handling special characters. It was assuming that the `ischar` function would only pass for alphabet letters, which caused an out-of-bounds access of the `freq` array for special characters. This was addressed by adding a `get_index` function to compute the appropriate index based on the character and the `ischar` function. 2. The `result` directory was not being created by the program. This was initially suggested to be addressed by adding a `mkdir` command in the `main` function, but this was not possible as the `main` function is in the test files, which cannot be modified. 3. The output files (`result.txt` and `specialresult.txt`) were not being created by the program. The `fopen` function used in the `charcount` function should create these files, but it can't if the `result` directory doesn't exist.

The current suggested solution is: 1. Add a `mkdir` command at the start of the `charcount` function in `count.c` to create the `result` directory. The `mkdir` function will not cause an error if the directory already exists, so it is safe to call it every time `charcount` is called. 2. No changes are suggested for `alphabetcount.c` and `specialcharcount.c`, because the paths they use are correct assuming the program is run from the `zero` directory. 3. No changes are suggested for `count.h`.

The current solution should work if the program is run from the `zero` directory, as the relative paths in the test files will then point to the correct locations. The `result` directory will be created at the correct location, and the output files will be created within it. The modified `charcount` function should correctly handle both alphabet letters and special characters.

Please apply these changes and let me know if you encounter any issues or have further questions.

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