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Merge pull request #1729 from cxd4/c90_portable_printf64

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Move 64-bit printf stuff to its own experimental function.
This commit is contained in:
Twinaphex 2015-05-29 00:06:46 +02:00
commit c979773ffb
1 changed files with 48 additions and 10 deletions
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58
libretro-db/rmsgpack_dom.c
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@ -25,6 +25,52 @@ 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[19] = '\0';
for (i = sizeof(digits) - 2; i >= 0; i--)
{
digits[i] = decimal % 10;
decimal /= 10;
}
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 u64: 18,446,744,073,709,551,616 */
register int i;
digits[20] = '\0';
for (i = sizeof(digits) - 2; i >= 0; i--)
{
digits[i] = decimal % 10;
decimal /= 10;
}
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 +341,10 @@ 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);