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Move 64-bit printf stuff to its own (experimental but tested) function.

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unknown 2015-05-28 17:41:38 -04:00
parent 0a6be4c82e
commit 48b727f5a1
1 changed files with 77 additions and 10 deletions
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87
libretro-db/rmsgpack_dom.c
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@ -25,6 +25,81 @@ static struct rmsgpack_dom_value *dom_reader_state_pop(
return v;
}
static void puts_i64(int64_t dec)
{
signed char digits[19 + 1]; /* max i64: 9,223,372,036,854,775,807 */
uint64_t decimal;
register int i;
decimal = (dec < 0) ? (uint64_t)-dec : (uint64_t)+dec;
digits[ 0] = (decimal / 1000000000000000000) % 10;
digits[ 1] = (decimal / 100000000000000000) % 10;
digits[ 2] = (decimal / 10000000000000000) % 10;
digits[ 3] = (decimal / 1000000000000000) % 10;
digits[ 4] = (decimal / 100000000000000) % 10;
digits[ 5] = (decimal / 10000000000000) % 10;
digits[ 6] = (decimal / 1000000000000) % 10;
digits[ 7] = (decimal / 100000000000) % 10;
digits[ 8] = (decimal / 10000000000) % 10;
digits[ 9] = (decimal / 1000000000) % 10;
digits[10] = (decimal / 100000000) % 10;
digits[11] = (decimal / 10000000) % 10;
digits[12] = (decimal / 1000000) % 10;
digits[13] = (decimal / 100000) % 10;
digits[14] = (decimal / 10000) % 10;
digits[15] = (decimal / 1000) % 10;
digits[16] = (decimal / 100) % 10;
digits[17] = (decimal / 10) % 10;
digits[18] = (decimal / 1) % 10;
digits[19] = '\0';
for (i = 0; i < sizeof(digits) - 1; i++)
digits[i] += '0';
for (i = 0; i < sizeof(digits) - 2; i++)
if (digits[i] != '0')
break; /* Don't print leading zeros to the console. */
if (dec < 0)
putchar('-');
fputs((char *)&digits[i], stdout);
}
static void puts_u64(uint64_t decimal)
{
char digits[20 + 1]; /* max i64: 18,446,744,073,709,551,616 */
register int i;
digits[ 0] = (decimal / 10000000000000000000) % 10;
digits[ 1] = (decimal / 1000000000000000000) % 10;
digits[ 2] = (decimal / 100000000000000000) % 10;
digits[ 3] = (decimal / 10000000000000000) % 10;
digits[ 4] = (decimal / 1000000000000000) % 10;
digits[ 5] = (decimal / 100000000000000) % 10;
digits[ 6] = (decimal / 10000000000000) % 10;
digits[ 7] = (decimal / 1000000000000) % 10;
digits[ 8] = (decimal / 100000000000) % 10;
digits[ 9] = (decimal / 10000000000) % 10;
digits[10] = (decimal / 1000000000) % 10;
digits[11] = (decimal / 100000000) % 10;
digits[12] = (decimal / 10000000) % 10;
digits[13] = (decimal / 1000000) % 10;
digits[14] = (decimal / 100000) % 10;
digits[15] = (decimal / 10000) % 10;
digits[16] = (decimal / 1000) % 10;
digits[17] = (decimal / 100) % 10;
digits[18] = (decimal / 10) % 10;
digits[19] = (decimal / 1) % 10;
digits[20] = '\0';
for (i = 0; i < sizeof(digits) - 1; i++)
digits[i] += '0';
for (i = 0; i < sizeof(digits) - 2; i++)
if (digits[i] != '0')
break; /* Don't print leading zeros to the console. */
fputs(&digits[i], stdout);
}
static int dom_reader_state_push(struct dom_reader_state *s,
struct rmsgpack_dom_value *v)
{
@ -295,18 +370,10 @@ void rmsgpack_dom_value_print(struct rmsgpack_dom_value *obj)
printf("false");
break;
case RDT_INT:
#ifdef _WIN32
printf("%I64d", (signed long long)obj->int_);
#else
printf("%lld", (signed long long)obj->int_);
#endif
puts_i64(obj -> int_);
break;
case RDT_UINT:
#ifdef _WIN32
printf("%I64u", (unsigned long long)obj->uint_);
#else
printf("%llu", (unsigned long long)obj->uint_);
#endif
puts_u64(obj -> uint_);
break;
case RDT_STRING:
printf("\"%s\"", obj->string.buff);