From 1acac7f9c596cd447d197039216f7b55c9ee3ab3 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Sat, 22 Dec 2018 23:14:48 +0100 Subject: bc: do not yet allow 2^2.1 Signed-off-by: Denys Vlasenko --- miscutils/bc.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/miscutils/bc.c b/miscutils/bc.c index ae5105b01..8cd67b0f5 100644 --- a/miscutils/bc.c +++ b/miscutils/bc.c @@ -2095,8 +2095,10 @@ static FAST_FUNC BC_STATUS zbc_num_p(BcNum *a, BcNum *b, BcNum *restrict c, size size_t i, powrdx, resrdx; bool neg; -// GNU bc does not allow 2^2.0. We do. -// if (b->rdx) RETURN_STATUS(bc_error("non integer number")); + // GNU bc does not allow 2^2.0 - we do + for (i = 0; i < b->rdx; i++) + if (b->num[i] != 0) + RETURN_STATUS(bc_error("not an integer")); if (b->len == 0) { bc_num_one(c); @@ -2505,7 +2507,7 @@ static BC_STATUS zdc_num_modexp(BcNum *a, BcNum *b, BcNum *c, BcNum *restrict d) if (c->len == 0) RETURN_STATUS(bc_error("divide by zero")); if (a->rdx || b->rdx || c->rdx) - RETURN_STATUS(bc_error("non integer number")); + RETURN_STATUS(bc_error("not an integer")); if (b->neg) RETURN_STATUS(bc_error("negative number")); -- cgit v1.2.3