--- /dev/null
+diff -up netkit-telnet-0.17/telnetd/ext.h.sa-01-49 netkit-telnet-0.17/telnetd/ext.h
+--- netkit-telnet-0.17/telnetd/ext.h.sa-01-49 1999-12-12 15:59:44.000000000 +0100
++++ netkit-telnet-0.17/telnetd/ext.h 2011-01-20 22:39:54.000000000 +0100
+@@ -86,7 +86,10 @@ extern char *neturg; /* one past last b
+ extern int pcc, ncc;
+
+ /* printf into netobuf */
+-void netoprintf(const char *fmt, ...) __attribute((format (printf, 1, 2)));
++/* void netoprintf(const char *fmt, ...) __attribute((format (printf, 1, 2))); */
++#define netoprintf output_data
++int output_data(const char *, ...) __attribute((format (printf, 1, 2)));
++void output_datalen(const char *, int);
+
+ extern int pty, net;
+ extern char *line;
+@@ -182,7 +185,10 @@ void tty_setsofttab(int);
+ void tty_tspeed(int);
+ void willoption(int);
+ void wontoption(int);
++
++#if 0
+ void writenet(unsigned char *, int);
++#endif
+
+ #if defined(ENCRYPT)
+ extern void (*encrypt_output)(unsigned char *, int);
+diff -up netkit-telnet-0.17/telnetd/slc.c.sa-01-49 netkit-telnet-0.17/telnetd/slc.c
+--- netkit-telnet-0.17/telnetd/slc.c.sa-01-49 1999-12-12 15:59:44.000000000 +0100
++++ netkit-telnet-0.17/telnetd/slc.c 2011-01-20 22:39:54.000000000 +0100
+@@ -183,7 +183,7 @@ int end_slc(unsigned char **bufp) {
+ else {
+ snprintf(slcbuf+slcoff, sizeof(slcbuf)-slcoff, "%c%c", IAC, SE);
+ slcoff += 2;
+- writenet(slcbuf, slcoff);
++ output_datalen(slcbuf, slcoff);
+ netflush(); /* force it out immediately */
+ }
+ }
+diff -up netkit-telnet-0.17/telnetd/state.c.sa-01-49 netkit-telnet-0.17/telnetd/state.c
+--- netkit-telnet-0.17/telnetd/state.c.sa-01-49 1999-12-12 20:41:44.000000000 +0100
++++ netkit-telnet-0.17/telnetd/state.c 2011-01-20 22:43:34.000000000 +0100
+@@ -37,6 +37,7 @@
+ char state_rcsid[] =
+ "$Id: state.c,v 1.12 1999/12/12 19:41:44 dholland Exp $";
+
++#include <stdarg.h>
+ #include "telnetd.h"
+
+ int not42 = 1;
+@@ -1365,7 +1366,7 @@ void send_status(void) {
+ ADD(IAC);
+ ADD(SE);
+
+- writenet(statusbuf, ncp - statusbuf);
++ output_datalen(statusbuf, ncp - statusbuf);
+ netflush(); /* Send it on its way */
+
+ DIAG(TD_OPTIONS, {printsub('>', statusbuf, ncp - statusbuf); netflush();});
+diff -up netkit-telnet-0.17/telnetd/termstat.c.sa-01-49 netkit-telnet-0.17/telnetd/termstat.c
+--- netkit-telnet-0.17/telnetd/termstat.c.sa-01-49 1999-12-12 15:59:45.000000000 +0100
++++ netkit-telnet-0.17/telnetd/termstat.c 2011-01-20 22:39:54.000000000 +0100
+@@ -128,7 +128,6 @@ static int _terminit = 0;
+ void
+ localstat()
+ {
+- void netflush();
+ int need_will_echo = 0;
+
+ /*
+diff -up netkit-telnet-0.17/telnetd/utility.c.sa-01-49 netkit-telnet-0.17/telnetd/utility.c
+--- netkit-telnet-0.17/telnetd/utility.c.sa-01-49 2011-01-20 22:39:54.000000000 +0100
++++ netkit-telnet-0.17/telnetd/utility.c 2011-01-20 22:48:02.000000000 +0100
+@@ -38,8 +38,10 @@ char util_rcsid[] =
+ "$Id: utility.c,v 1.11 1999/12/12 14:59:45 dholland Exp $";
+
+ #define PRINTOPTIONS
++#define _GNU_SOURCE
+
+ #include <stdarg.h>
++#include <stdio.h>
+ #include <sys/utsname.h>
+
+ #ifdef AUTHENTICATE
+@@ -52,6 +54,53 @@ char util_rcsid[] =
+ * utility functions performing io related tasks
+ */
+
++/*
++ * This function appends data to nfrontp and advances nfrontp.
++ * Returns the number of characters written altogether (the
++ * buffer may have been flushed in the process).
++ */
++
++int
++output_data(const char *format, ...)
++{
++ va_list args;
++ int len;
++ char *buf;
++
++ va_start(args, format);
++ if ((len = vasprintf(&buf, format, args)) == -1)
++ return -1;
++ output_datalen(buf, len);
++ va_end(args);
++ free(buf);
++ return (len);
++}
++
++void
++output_datalen(const char *buf, int len)
++{
++ 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);
++ }
++
++ /* Copy out as much as will fit */
++ copied = remaining > len ? len : remaining;
++ memmove(nfrontp, buf, copied);
++ nfrontp += copied;
++ len -= copied;
++ remaining -= copied;
++ buf += copied;
++ }
++ return;
++}
++
++/**
+ void
+ netoprintf(const char *fmt, ...)
+ {
+@@ -67,7 +116,7 @@ netoprintf(const char *fmt, ...)
+ va_end(ap);
+
+ if (len<0 || len==maxsize) {
+- /* didn't fit */
++ / * did not fit * /
+ netflush();
+ }
+ else {
+@@ -76,6 +125,7 @@ netoprintf(const char *fmt, ...)
+ }
+ nfrontp += len;
+ }
++*/
+
+ /*
+ * ttloop
+@@ -273,10 +323,15 @@ netflush(void)
+ int n;
+
+ if ((n = nfrontp - nbackp) > 0) {
++
++#if 0
++ /* XXX This causes output_data() to recurse and die */
+ DIAG(TD_REPORT,
+ { netoprintf("td: netflush %d chars\r\n", n);
+ n = nfrontp - nbackp; /* update count */
+ });
++#endif
++
+ #if defined(ENCRYPT)
+ if (encrypt_output) {
+ char *s = nclearto ? nclearto : nbackp;
+@@ -310,11 +365,14 @@ netflush(void)
+ }
+ }
+ }
+- if (n < 0) {
+- if (errno == EWOULDBLOCK || errno == EINTR)
+- return;
+- cleanup(0);
+- }
++
++ if (n == -1) {
++ if (errno == EWOULDBLOCK || errno == EINTR)
++ return;
++ cleanup(0);
++ /* NOTREACHED */
++ }
++
+ nbackp += n;
+ #if defined(ENCRYPT)
+ if (nbackp > nclearto)
+@@ -332,7 +390,7 @@ netflush(void)
+ return;
+ } /* end of netflush */
+
+-
++#if 0
+ /*
+ * writenet
+ *
+@@ -355,7 +413,7 @@ void writenet(register unsigned char *pt
+ nfrontp += len;
+
+ } /* end of writenet */
+-
++#endif
+
+ /*
+ * miscellaneous functions doing a variety of little jobs follow ...
projects / people / teissler / ipfire-2.x.git / blobdiff