From d8078a79beb665cb3c0408dbbbba132cff9fdc3b Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Wed, 12 Dec 2018 21:56:06 +0100 Subject: [PATCH] dc: fix EOF handling in case of last line being incomplete This wasn't working correctly: $ echo -ne '10 20+p' | dc 30 Signed-off-by: Denys Vlasenko --- miscutils/bc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/miscutils/bc.c b/miscutils/bc.c index 3d26c39a7..9cc29f0ea 100644 --- a/miscutils/bc.c +++ b/miscutils/bc.c @@ -1425,7 +1425,9 @@ static BcStatus bc_read_line(BcVec *vec) if (c == EOF) { if (ferror(stdin)) quit(); // this emits error message - s = BC_STATUS_EOF; + // If we had some input before EOF, do not report EOF yet: + if (vec->len == 0) + s = BC_STATUS_EOF; // Note: EOF does not append '\n', therefore: // printf 'print 123\n' | bc - works // printf 'print 123' | bc - fails (syntax error) -- 2.25.1