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Roll all the modulo iterations into a safer loop.

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unknown 2015-05-28 18:00:26 -04:00
parent 48b727f5a1
commit db1f1f631b
1 changed files with 11 additions and 40 deletions
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51
libretro-db/rmsgpack_dom.c
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@ -32,26 +32,12 @@ static void puts_i64(int64_t dec)
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 = sizeof(digits) - 2; i >= 0; i--)
{
digits[i] = decimal % 10;
decimal /= 10;
}
for (i = 0; i < sizeof(digits) - 1; i++)
digits[i] += '0';
@ -66,30 +52,15 @@ static void puts_i64(int64_t dec)
static void puts_u64(uint64_t decimal)
{
char digits[20 + 1]; /* max i64: 18,446,744,073,709,551,616 */
char digits[20 + 1]; /* max u64: 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 = sizeof(digits) - 2; i >= 0; i--)
{
digits[i] = decimal % 10;
decimal /= 10;
}
for (i = 0; i < sizeof(digits) - 1; i++)
digits[i] += '0';