diff options
Diffstat (limited to 'bignum.c')
| -rw-r--r-- | bignum.c | 13 |
1 files changed, 9 insertions, 4 deletions
@@ -406,7 +406,7 @@ rb_cstr_to_inum(const char *str, int base, int badcheck) len *= strlen(str)*sizeof(char); if (len <= (sizeof(VALUE)*CHAR_BIT)) { - unsigned long val = strtoul((char*)str, &end, base); + unsigned long val = strtoul(str, &end, base); if (*end == '_') goto bigparse; if (badcheck) { @@ -516,7 +516,7 @@ rb_str_to_inum(VALUE str, int base, int badcheck) #if HAVE_LONG_LONG -VALUE +static VALUE rb_ull2big(unsigned LONG_LONG n) { BDIGIT_DBL num = n; @@ -537,7 +537,7 @@ rb_ull2big(unsigned LONG_LONG n) return big; } -VALUE +static VALUE rb_ll2big(LONG_LONG n) { long neg = 0; @@ -595,10 +595,10 @@ rb_big2str(VALUE x, int base) if (FIXNUM_P(x)) { return rb_fix2str(x, base); } - i = RBIGNUM(x)->len; if (BIGZEROP(x)) { return rb_str_new2("0"); } + i = RBIGNUM(x)->len; j = SIZEOF_BDIGITS*CHAR_BIT*i; switch (base) { case 2: break; @@ -1546,6 +1546,11 @@ rb_big_pow(VALUE x, VALUE y) if (yy > 0) { VALUE z = x; + if (RBIGNUM(x)->len * SIZEOF_BDIGITS * yy > 1024*1024) { + rb_warn("in a**b, b may be too big"); + d = (double)yy; + break; + } for (;;) { yy -= 1; if (yy == 0) break; |