On Tue, Oct 23, 2001 at 08:40:11AM +0200, Tinga Shilo wrote: > My observations are as follows: > - The return code of foo_write affects the original "write" that wrote to > the file > - If foo_write returns a positive X, the "write" returns with X, and errno > is 0 > - If foo_write returns a negative X, the "write" returns -1, and errno is > set to -X (i.e. a positive value) > - If foo_write returns a zero... I am not sure. returnvalue < 0: error return value >= 0: number of bytes which were succesfully written Erik -- J.A.K. (Erik) Mouw, Information and Communication Theory Group, Department of Electrical Engineering, Faculty of Information Technology and Systems, Delft University of Technology, PO BOX 5031, 2600 GA Delft, The Netherlands Phone: +31-15-2783635 Fax: +31-15-2781843 Email: J.A.K.Mouw@its.tudelft.nl WWW: http://www-ict.its.tudelft.nl/~erik/ - Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/
