Configurable TCP_NODELAY option on network connections

[u/mdw/putty] / plink.c

diff --git a/plink.c b/plink.c
index 8d4701a..5ef9da2 100644 (file)
--- a/plink.c
+++ b/plink.c
@@ -735,8 +735,11 @@ int main(int argc, char **argv)
     {
        char *error;
        char *realhost;
+       /* nodelay is only useful if stdin is a character device (console) */
+       int nodelay = cfg.tcp_nodelay &&
+           (GetFileType(GetStdHandle(STD_INPUT_HANDLE)) == FILE_TYPE_CHAR);
 
-       error = back->init(cfg.host, cfg.port, &realhost);
+       error = back->init(cfg.host, cfg.port, &realhost, nodelay);
        if (error) {
            fprintf(stderr, "Unable to open connection:\n%s", error);
            return 1;