accesslog: Fail as soon as possible on broken channels.

diff --git a/src/accesslog.c b/src/accesslog.c
index 7328c4d..d77a467 100644 (file)
--- a/src/accesslog.c
+++ b/src/accesslog.c
@@ -223,9 +223,12 @@ static int passdata(struct bufio *in, struct bufio *out, off_t *passed)
     
     total = 0;
     while(!bioeof(in)) {
-       if((read = biocopysome(out, in)) < 0)
-           return(-1);
-       total += read;
+       if((read = biordata(in)) > 0) {
+           if((read = biowritesome(out, in->rbuf.b + in->rh, read)) < 0)
+               return(-1);
+           in->rh += read;
+           total += read;
+       }
        if(biorspace(in) && (biofillsome(in) < 0))
            return(-1);
     }