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Overview
| Comment: | Fix bug in mp_set_bit(), not affecting Tcl adtually (returning MP_VAL for some valid input) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | tommath-refactor |
| Files: | files | file ages | folders |
| SHA3-256: |
26182f50b29a8770999bae8384afa74a |
| User & Date: | jan.nijtmans 2019-03-08 20:44:55 |
Context
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2019-03-12
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| 21:44 | Merge 8.7 check-in: 4acfc50392 user: jan.nijtmans tags: tommath-refactor | |
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2019-03-08
| ||
| 20:44 | Fix bug in mp_set_bit(), not affecting Tcl adtually (returning MP_VAL for some valid input) check-in: 26182f50b2 user: jan.nijtmans tags: tommath-refactor | |
| 20:40 | Merge 8.7 check-in: 0fda504644 user: jan.nijtmans tags: tommath-refactor | |
Changes
Changes to libtommath/bn_mp_get_bit.c.
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if (b < 0) {
return MP_VAL;
}
limb = b / DIGIT_BIT;
/*
* Zero is a special value with the member "used" set to zero.
* Needs to be tested before the check for the upper boundary
* otherwise (limb >= a->used) would be true for a = 0
*/
if (mp_iszero(a) != MP_NO) {
return MP_NO;
}
if (limb >= a->used) {
return MP_VAL;
}
bit = (mp_digit)(1) << (b % DIGIT_BIT);
isset = a->dp[limb] & bit;
return (isset != 0u) ? MP_YES : MP_NO;
}
#endif
/* ref: $Format:%D$ */
/* git commit: $Format:%H$ */
/* commit time: $Format:%ai$ */
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< < < < < < < < < < | |
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if (b < 0) {
return MP_VAL;
}
limb = b / DIGIT_BIT;
if (limb >= a->used) {
return MP_NO;
}
bit = (mp_digit)(1) << (b % DIGIT_BIT);
isset = a->dp[limb] & bit;
return (isset != 0u) ? MP_YES : MP_NO;
}
#endif
/* ref: $Format:%D$ */
/* git commit: $Format:%H$ */
/* commit time: $Format:%ai$ */
|