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| author | Denys Vlasenko | 2018-12-12 21:56:06 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2018-12-12 21:56:06 +0100 |
| commit | d8078a79beb665cb3c0408dbbbba132cff9fdc3b (patch) | |
| tree | fb5d395bbbf0382d80d30f09d5e67d4a2ea5abe8 /miscutils/bc.c | |
| parent | 9a23b07c4c0d06c40d7c0ce91c5fdf7c8449ac49 (diff) | |
| download | busybox-d8078a79beb665cb3c0408dbbbba132cff9fdc3b.zip busybox-d8078a79beb665cb3c0408dbbbba132cff9fdc3b.tar.gz | |
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 <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils/bc.c')
| -rw-r--r-- | miscutils/bc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c index 3d26c39..9cc29f0 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) |