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OrbWorks Community Forum • View topic - Trouble with fileread
Page 1 of 1

PostPosted: Mon Sep 24, 2007 9:26 pm
by earlcasper
I used 'fileread(fileid, &ch, "c", 1)'. It returned non-zero. The bare bones program is at http://www.coconutpalm.org/Bad/bad_pc.PDB and http://www.coconutpalm.org/Bad/bad.pc Any help would be appreciated. -Earl

PostPosted: Wed Sep 26, 2007 2:26 am
by dewey
You should also be checking for errors from all the functions before it - this will help narrow down the problem.

PostPosted: Wed Sep 26, 2007 12:17 pm
by earlcasper
My new test program has alerts for enumvols and volopenfile. It also has a puts for filetell and filesize before the fileread(fileid, &ch, "c", 1). It can be found at http://www.coconutpalm.org/Bad/better.pc and http://www.coconutpalm.org/Bad/better_pc.PDB

PostPosted: Wed Sep 26, 2007 2:53 pm
by dewey
What is the return code? This will tell you why it failed.

PostPosted: Wed Sep 26, 2007 11:11 pm
by earlcasper
I tested the return code with vfserror and got 'Unknown VFS error'. The return code was 1. The program can be found at http://www.coconutpalm.org/Bad/best.pc and http://www.coconutpalm.org/Bad/best_pc.PDB

PostPosted: Thu Sep 27, 2007 1:53 am
by dewey
Doh! That's just a doc bug. fileread() and filewrite() return the number of values read. It will return 0 if nothing was read, and will return a value which is lower than expected if less data remains in the file than what was requested.

PostPosted: Thu Sep 27, 2007 7:23 am
by earlcasper
Thanks for the help. I really appreciate your taking the time to reply. I've enjoyed working with PocketC down through the years. Now that I have a T|X I expect I will enjoy working with PocketC Architect even more.