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enhanced moo_inttostr() to access a negative integer to produce the alphabetic digits in the lower case

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hyunghwan.chung 2018-02-28 15:39:58 +00:00
parent 0400fc7368
commit 051fa970e0
1 changed files with 25 additions and 1 deletions
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26
moo/lib/bigint.c
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@ -70,7 +70,8 @@
#define IS_SIGN_DIFF(x,y) (((x) ^ (y)) < 0) #define IS_SIGN_DIFF(x,y) (((x) ^ (y)) < 0)
/* digit character array */ /* digit character array */
static char _digitc[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; static char _digitc_upper[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
static char _digitc_lower[] = "0123456789abcdefghijklmnopqrstuvwxyz";
/* exponent table */ /* exponent table */
static moo_uint8_t _exp_tab[] = static moo_uint8_t _exp_tab[] =
@ -3813,6 +3814,18 @@ oops_einval:
static moo_oow_t oow_to_text (moo_t* moo, moo_oow_t w, int radix, moo_ooch_t* buf) static moo_oow_t oow_to_text (moo_t* moo, moo_oow_t w, int radix, moo_ooch_t* buf)
{ {
moo_ooch_t* ptr; moo_ooch_t* ptr;
const char* _digitc;
if (radix < 0)
{
_digitc = _digitc_lower;
radix = -radix;
}
else
{
_digitc = _digitc_upper;
}
MOO_ASSERT (moo, radix >= 2 && radix <= 36); MOO_ASSERT (moo, radix >= 2 && radix <= 36);
ptr = buf; ptr = buf;
@ -4007,6 +4020,17 @@ moo_oop_t moo_inttostr (moo_t* moo, moo_oop_t num, int radix)
moo_ooch_t* xbuf = MOO_NULL; moo_ooch_t* xbuf = MOO_NULL;
moo_oow_t xlen = 0, seglen, reqcapa; moo_oow_t xlen = 0, seglen, reqcapa;
const char* _digitc;
if (radix < 0)
{
_digitc = _digitc_lower;
radix = -radix;
}
else
{
_digitc = _digitc_upper;
}
MOO_ASSERT (moo, radix >= 2 && radix <= 36); MOO_ASSERT (moo, radix >= 2 && radix <= 36);
if (!moo_isint(moo,num)) goto oops_einval; if (!moo_isint(moo,num)) goto oops_einval;