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-rw-r--r--libtommath/bn_mp_read_radix.c110
1 files changed, 55 insertions, 55 deletions
diff --git a/libtommath/bn_mp_read_radix.c b/libtommath/bn_mp_read_radix.c
index 12aa499..6e57ed5 100644
--- a/libtommath/bn_mp_read_radix.c
+++ b/libtommath/bn_mp_read_radix.c
@@ -16,73 +16,73 @@
*/
/* read a string [ASCII] in a given radix */
-int mp_read_radix (mp_int * a, const char *str, int radix)
+int mp_read_radix(mp_int *a, const char *str, int radix)
{
- int y, res, neg;
- char ch;
+ int y, res, neg;
+ char ch;
- /* zero the digit bignum */
- mp_zero(a);
+ /* zero the digit bignum */
+ mp_zero(a);
- /* make sure the radix is ok */
- if ((radix < 2) || (radix > 64)) {
- return MP_VAL;
- }
+ /* make sure the radix is ok */
+ if ((radix < 2) || (radix > 64)) {
+ return MP_VAL;
+ }
- /* if the leading digit is a
- * minus set the sign to negative.
- */
- if (*str == '-') {
- ++str;
- neg = MP_NEG;
- } else {
- neg = MP_ZPOS;
- }
+ /* if the leading digit is a
+ * minus set the sign to negative.
+ */
+ if (*str == '-') {
+ ++str;
+ neg = MP_NEG;
+ } else {
+ neg = MP_ZPOS;
+ }
- /* set the integer to the default of zero */
- mp_zero (a);
-
- /* process each digit of the string */
- while (*str != '\0') {
- /* if the radix <= 36 the conversion is case insensitive
- * this allows numbers like 1AB and 1ab to represent the same value
- * [e.g. in hex]
- */
- ch = (radix <= 36) ? (char)toupper((int)*str) : *str;
- for (y = 0; y < 64; y++) {
- if (ch == mp_s_rmap[y]) {
- break;
- }
- }
+ /* set the integer to the default of zero */
+ mp_zero(a);
- /* if the char was found in the map
- * and is less than the given radix add it
- * to the number, otherwise exit the loop.
- */
- if (y < radix) {
- if ((res = mp_mul_d (a, (mp_digit) radix, a)) != MP_OKAY) {
- return res;
+ /* process each digit of the string */
+ while (*str != '\0') {
+ /* if the radix <= 36 the conversion is case insensitive
+ * this allows numbers like 1AB and 1ab to represent the same value
+ * [e.g. in hex]
+ */
+ ch = (radix <= 36) ? (char)toupper((int)*str) : *str;
+ for (y = 0; y < 64; y++) {
+ if (ch == mp_s_rmap[y]) {
+ break;
+ }
}
- if ((res = mp_add_d (a, (mp_digit) y, a)) != MP_OKAY) {
- return res;
+
+ /* if the char was found in the map
+ * and is less than the given radix add it
+ * to the number, otherwise exit the loop.
+ */
+ if (y < radix) {
+ if ((res = mp_mul_d(a, (mp_digit) radix, a)) != MP_OKAY) {
+ return res;
+ }
+ if ((res = mp_add_d(a, (mp_digit) y, a)) != MP_OKAY) {
+ return res;
+ }
+ } else {
+ break;
}
- } else {
- break;
- }
- ++str;
- }
+ ++str;
+ }
- /* if an illegal character was found, fail. */
- if (!(*str == '\0' || *str == '\r' || *str == '\n')) {
+ /* if an illegal character was found, fail. */
+ if (!(*str == '\0' || *str == '\r' || *str == '\n')) {
mp_zero(a);
return MP_VAL;
- }
+ }
- /* set the sign only if a != 0 */
- if (mp_iszero(a) != MP_YES) {
- a->sign = neg;
- }
- return MP_OKAY;
+ /* set the sign only if a != 0 */
+ if (mp_iszero(a) != MP_YES) {
+ a->sign = neg;
+ }
+ return MP_OKAY;
}
#endif