emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

bc: do not yet allow 2^2.1

Browse Source 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-12-22 23:14:48 +01:00
parent a9f59db809
commit 1acac7f9c5
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
miscutils/bc.c
View File

@ -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; size_t i, powrdx, resrdx;
bool neg; bool neg;
// GNU bc does not allow 2^2.0. We do. // GNU bc does not allow 2^2.0 - we do
// if (b->rdx) RETURN_STATUS(bc_error("non integer number")); for (i = 0; i < b->rdx; i++)
if (b->num[i] != 0)
RETURN_STATUS(bc_error("not an integer"));
if (b->len == 0) { if (b->len == 0) {
bc_num_one(c); 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) if (c->len == 0)
RETURN_STATUS(bc_error("divide by zero")); RETURN_STATUS(bc_error("divide by zero"));
if (a->rdx || b->rdx || c->rdx) if (a->rdx || b->rdx || c->rdx)
RETURN_STATUS(bc_error("non integer number")); RETURN_STATUS(bc_error("not an integer"));
if (b->neg) if (b->neg)
RETURN_STATUS(bc_error("negative number")); RETURN_STATUS(bc_error("negative number"));