}
if (*s == '\n')
s++;
- else if (s[1] == '\n') /* possible checksum byte */
- s += 2;
+ else /* possible checksum byte */
+ if (s + 1 < strend && s[1] == '\n')
+ s += 2;
}
XPUSHs(sv_2mortal(sv));
break;
case 'w':
while (len-- > 0) {
fromstr = NEXTFROM;
- adouble = Perl_floor(SvNV(fromstr));
+ adouble = SvNV(fromstr);
if (adouble < 0)
Perl_croak(aTHX_ "Cannot compress negative numbers");
- if (
-#if UVSIZE > 4 && UVSIZE >= NVSIZE
- adouble <= 0xffffffff
-#else
-# ifdef CXUX_BROKEN_CONSTANT_CONVERT
- adouble <= UV_MAX_cxux
-# else
- adouble <= UV_MAX
-# endif
-#endif
- )
+ /* 0xFFFFFFFFFFFFFFFF may cast to 18446744073709551616.0,
+ which is == UV_MAX_P1. IOK is fine (instead of UV_only), as
+ any negative IVs will have already been got by the croak()
+ above. IOK is untrue for fractions, so we test them
+ against UV_MAX_P1. */
+ if (SvIOK(fromstr) || adouble < UV_MAX_P1)
{
- char buf[1 + sizeof(UV)];
+ char buf[(sizeof(UV)*8)/7+1];
char *in = buf + sizeof(buf);
- UV auv = U_V(adouble);
+ UV auv = SvUV(fromstr);
do {
*--in = (auv & 0x7f) | 0x80;
char buf[sizeof(double) * 2]; /* 8/7 <= 2 */
char *in = buf + sizeof(buf);
+ adouble = Perl_floor(adouble);
do {
double next = floor(adouble / 128);
*--in = (unsigned char)(adouble - (next * 128)) | 0x80;