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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
2019-03-12
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21:44 | Merge 8.7 check-in: 4acfc50392 user: jan.nijtmans tags: tommath-refactor | |
2019-03-08
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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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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: $Format:%ai$ */
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