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It's OK for strtok() to return NULL if you send it GET /hello.php? HTTP/1.1 -- as long as you immediately check to see whether it returned NULL, and do something sensible if it did. (In this case, the …

The cs50 folder is not in your home directory. It is another user's home directory. Your userid is ubuntu, so your home directory is /home/ubuntu. The CS50 staff binaries are stored in /home/cs50, w …

If you have set your current working directory to the pset directory via cd ~/workspace/pset6/, then you can simply start ./server public and it should work with the relative pathname, since . … /server /home/ubuntu/workspace/pset6/public. If this answers your question, be sure to accept my answer by clicking on the green check mark. …

Your second example makes it plain what is happening: GET /cat.html HTTP/1.1 buffer = /cat.html path = /cat.html GET / HTTP/1.1 buffer = /cat.php path = /cat.phpl You are writing over the content …

Hint: look at the top of the server.c distribution code for a symbolic constant define which suggests a good size (BYTES) for your buffer. Read in the file one byte at a time, incrementing a counter ( …

You can refactor your code to use only one if statement! Think about the number of MIME types you have to check for, and the number of matching file extensions. Since there are the same number of ea …

Where is tempStr declared? I'd like to see that line of code as well. There may be a typo there.

For your first question, have you tried using strncmp() to compare the first character of the request substring buffer to "/" instead of comparing char literals? I haven't tried it your way, but that' …

Relative pathnames start relative to the current working directory: cd /home/cs50/pset6 ./server or like this: cd /home/cs50 ./pset6/server or even like this: cd /home/ubuntu .. … /cs50/pset6/server When you type server by itself on a line, instead of . …