/* Copyright (C) 2003 Russ Cox, Massachusetts Institute of Technology */ /* See COPYRIGHT */ #include #include #include #include #include "fsimpl.h" long fspwrite(Fid *fid, void *buf, long n, vlong offset) { Fcall tx, rx; void *freep; tx.type = Twrite; tx.fid = fid->fid; if(offset == -1){ qlock(&fid->lk); tx.offset = fid->offset; qunlock(&fid->lk); }else tx.offset = offset; tx.count = n; tx.data = buf; fsrpc(fid->fs, &tx, &rx, &freep); if(rx.type == Rerror){ werrstr("%s", rx.ename); free(freep); return -1; } if(offset == -1 && rx.count){ qlock(&fid->lk); fid->offset += rx.count; qunlock(&fid->lk); } free(freep); return rx.count; } long fswrite(Fid *fid, void *buf, long n) { return fspwrite(fid, buf, n, -1); }