open.c (563B)
1 #include <u.h> 2 #include <libc.h> 3 #include <fcall.h> 4 #include <9pclient.h> 5 #include "fsimpl.h" 6 7 int 8 fsfopen(CFid *fid, int mode) 9 { 10 Fcall tx, rx; 11 12 tx.type = Topen; 13 tx.fid = fid->fid; 14 tx.mode = mode; 15 if(_fsrpc(fid->fs, &tx, &rx, 0) < 0) 16 return -1; 17 fid->mode = mode; 18 return 0; 19 } 20 21 CFid* 22 fsopen(CFsys *fs, char *name, int mode) 23 { 24 char e[ERRMAX]; 25 CFid *fid; 26 27 if((fid = fswalk(fs->root, name)) == nil) 28 return nil; 29 if(fsfopen(fid, mode) < 0){ 30 rerrstr(e, sizeof e); 31 fsclose(fid); 32 errstr(e, sizeof e); 33 return nil; 34 } 35 fid->mode = mode; 36 return fid; 37 }