From b4453f4964de4b98d42e38df8a8848b1c63e10e9 Mon Sep 17 00:00:00 2001
From: simon <simon@cda61777-01e9-0310-a592-d414129be87e>
Date: Sat, 28 Apr 2001 08:42:06 +0000
Subject: [PATCH] Add some fflushes to make it easier for piped programs to
 talk to plink and pscp

git-svn-id: svn://svn.tartarus.org/sgt/putty@1078 cda61777-01e9-0310-a592-d414129be87e
---
 plink.c | 8 ++++++--
 scp.c   | 2 ++
 ssh.c   | 2 +-
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/plink.c b/plink.c
index 6eb9a788..d493c686 100644
--- a/plink.c
+++ b/plink.c
@@ -88,10 +88,14 @@ void verify_ssh_host_key(char *host, int port, char *keytype,
     if (ret == 0)                      /* success - key matched OK */
         return;
 
-    if (ret == 2)                      /* key was different */
+    if (ret == 2) {		       /* key was different */
         fprintf(stderr, wrongmsg, fingerprint);
-    if (ret == 1)                      /* key was absent */
+	fflush(stderr);
+    }
+    if (ret == 1) {		       /* key was absent */
         fprintf(stderr, absentmsg, fingerprint);
+	fflush(stderr);
+    }
 
     hin = GetStdHandle(STD_INPUT_HANDLE);
     GetConsoleMode(hin, &savemode);
diff --git a/scp.c b/scp.c
index 2d021914..ad334133 100644
--- a/scp.c
+++ b/scp.c
@@ -134,12 +134,14 @@ void verify_ssh_host_key(char *host, int port, char *keytype,
         return;
     if (ret == 2) {                    /* key was different */
         fprintf(stderr, wrongmsg, fingerprint);
+	fflush(stderr);
         if (fgets(line, sizeof(line), stdin) &&
             line[0] != '\0' && line[0] != '\n') {
             if (line[0] == 'y' || line[0] == 'Y')
                 store_host_key(host, port, keytype, keystr);
         } else {
             fprintf(stderr, abandoned);
+	    fflush(stderr);
             exit(0);
         }
     }
diff --git a/ssh.c b/ssh.c
index c47aebd1..fe9f515c 100644
--- a/ssh.c
+++ b/ssh.c
@@ -17,7 +17,7 @@
 
 #define logevent(s) { logevent(s); \
                       if ((flags & FLAG_STDERR) && (flags & FLAG_VERBOSE)) \
-                      fprintf(stderr, "%s\n", s); }
+                      { fprintf(stderr, "%s\n", s); fflush(stderr); } }
 
 #define bombout(msg) ( ssh_state = SSH_STATE_CLOSED, \
                           (s ? sk_close(s), s = NULL : 0), \
-- 
2.11.0