1433d6423SLionel Sambuc /* This file is the counterpart of "read.c". It contains the code for writing 2433d6423SLionel Sambuc * insofar as this is not contained in read_write(). 3433d6423SLionel Sambuc * 4433d6423SLionel Sambuc * The entry points into this file are 5433d6423SLionel Sambuc * do_write: call read_write to perform the WRITE system call 6433d6423SLionel Sambuc */ 7433d6423SLionel Sambuc 8433d6423SLionel Sambuc #include "fs.h" 9433d6423SLionel Sambuc #include "file.h" 10433d6423SLionel Sambuc #include <minix/callnr.h> 11433d6423SLionel Sambuc 12433d6423SLionel Sambuc /*===========================================================================* 13433d6423SLionel Sambuc * do_write * 14433d6423SLionel Sambuc *===========================================================================*/ do_write(void)15433d6423SLionel Sambucint do_write(void) 16433d6423SLionel Sambuc { 17433d6423SLionel Sambuc /* Perform the write(fd, buffer, nbytes) system call. */ 18*232819ddSDavid van Moolenbroek 19*232819ddSDavid van Moolenbroek /* See the comment in do_read(). */ 20*232819ddSDavid van Moolenbroek if (job_m_in.m_lc_vfs_readwrite.cum_io != 0) 21*232819ddSDavid van Moolenbroek return(EINVAL); 22*232819ddSDavid van Moolenbroek 23433d6423SLionel Sambuc return(do_read_write_peek(WRITING, job_m_in.m_lc_vfs_readwrite.fd, 24433d6423SLionel Sambuc job_m_in.m_lc_vfs_readwrite.buf, job_m_in.m_lc_vfs_readwrite.len)); 25433d6423SLionel Sambuc } 26