plan9port

fork of plan9port with libvec, libstr and libsdb
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util.c (491B)

      1 #include <u.h>
      2 #include <libc.h>
      3 #include <fcall.h>
      4 #include <thread.h>
      5 #include "9p.h"
      6 
      7 void
      8 readbuf(Req *r, void *s, long n)
      9 {
     10 	r->ofcall.count = r->ifcall.count;
     11 	if(r->ifcall.offset >= n){
     12 		r->ofcall.count = 0;
     13 		return;
     14 	}
     15 	if(r->ifcall.offset+r->ofcall.count > n)
     16 		r->ofcall.count = n - r->ifcall.offset;
     17 	memmove(r->ofcall.data, (char*)s+r->ifcall.offset, r->ofcall.count);
     18 }
     19 
     20 void
     21 readstr(Req *r, char *s)
     22 {
     23 	if(s == nil)
     24 		r->ofcall.count = 0;
     25 	else
     26 		readbuf(r, s, strlen(s));
     27 }