Disable any buffering to stdout

diff --git a/coreutils/tee.c b/coreutils/tee.c
index 7e86f2e29cabfccc4431363ab581355122b7130b..73c2f8e9df406c6f0f790141ebdd835a5ddf32be 100644 (file)
--- a/coreutils/tee.c
+++ b/coreutils/tee.c
@@ -89,6 +89,7 @@ int tee_main(int argc, char **argv)
 #endif
 
 #else
+       setvbuf(stdout, NULL, _IONBF, 0);
        while ((c = getchar()) != EOF) {
                for (p=files ; *p ; p++) {
                        putc(c, *p);