--- appl/telnet/telnetd/utility.c.orig Wed Jan 9 14:26:59 2002
+++ appl/telnet/telnetd/utility.c Fri Jan 11 13:10:33 2002
@@ -408,18 +408,25 @@
int
netwrite(const char *buf, size_t len)
{
- size_t remain;
+ int remaining, copied;
+
+ remaining = BUFSIZ - (nfrontp - netobuf);
+ while (len > 0) {
+ /* Free up enough space if the room is too low*/
+ if ((len > BUFSIZ ? BUFSIZ : len) > remaining) {
+ netflush();
+ remaining = BUFSIZ - (nfrontp - netobuf);
+ }
- remain = sizeof(netobuf) - (nfrontp - netobuf);
- if (remain < len) {
- netflush();
- remain = sizeof(netobuf) - (nfrontp - netobuf);
+ /* Copy out as much as will fit */
+ copied = remaining > len ? len : remaining;
+ memmove(nfrontp, buf, copied);
+ nfrontp += copied;
+ len -= copied;
+ remaining -= copied;
+ buf += copied;
}
- if (remain < len)
- return 0;
- memcpy(nfrontp, buf, len);
- nfrontp += len;
- return len;
+ return copied;
}
/*
src='/~lantw44/cgit-data/cgit.png' alt='cgit logo'/>
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