From 1da80a2c7564f29ecfa0bafec753e559dd194e05 Mon Sep 17 00:00:00 2001 From: Yoshihiro Takahashi Date: Sat, 12 Jan 2019 12:35:02 +0000 Subject: [PATCH] Sync with OpenBSD. bc.y: Rev 1.50 - write parse errors to stderr, prompted by Martijn Dekker - we're only interactive if stdout en stderr are a tty as well as stdin PR: 234430 Obtained from: OpenBSD MFC after: 1 week --- usr.bin/bc/bc.y | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/usr.bin/bc/bc.y b/usr.bin/bc/bc.y index 50ac130b461..793ad46d7f5 100644 --- a/usr.bin/bc/bc.y +++ b/usr.bin/bc/bc.y @@ -996,7 +996,7 @@ yyerror(const char *s) putchar('\\'); putchar(*p); } - fputs("]pc\n", stdout); + fputs("]ec\n", stdout); free(str); } @@ -1173,7 +1173,8 @@ main(int argc, char *argv[]) argc -= optind; argv += optind; - interactive = isatty(STDIN_FILENO); + interactive = isatty(STDIN_FILENO) && isatty(STDOUT_FILENO) && + isatty(STDERR_FILENO); for (i = 0; i < argc; i++) sargv[sargc++] = argv[i];