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| author | dkf <donal.k.fellows@manchester.ac.uk> | 2011-03-14 14:23:22 (GMT) |
|---|---|---|
| committer | dkf <donal.k.fellows@manchester.ac.uk> | 2011-03-14 14:23:22 (GMT) |
| commit | 81d8da78d05ec1b0a0acba08d04d09e4e2d2466d (patch) | |
| tree | 36b3156067a6b9a0dc5de12048675aa0b7802bc9 /libtommath/bn_mp_shrink.c | |
| parent | 6a09df67ec22303c50f196b746d64cd2a0e79056 (diff) | |
| download | tcl-81d8da78d05ec1b0a0acba08d04d09e4e2d2466d.zip tcl-81d8da78d05ec1b0a0acba08d04d09e4e2d2466d.tar.gz tcl-81d8da78d05ec1b0a0acba08d04d09e4e2d2466d.tar.bz2 | |
Apply non-comment changes to take our fork of libtommath up to tracking 0.42.0
from 0.39.
Diffstat (limited to 'libtommath/bn_mp_shrink.c')
| -rw-r--r-- | libtommath/bn_mp_shrink.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/libtommath/bn_mp_shrink.c b/libtommath/bn_mp_shrink.c index 482ca48..bfdf93a 100644 --- a/libtommath/bn_mp_shrink.c +++ b/libtommath/bn_mp_shrink.c @@ -19,12 +19,17 @@ int mp_shrink (mp_int * a) { mp_digit *tmp; - if (a->alloc != a->used && a->used > 0) { - if ((tmp = OPT_CAST(mp_digit) XREALLOC (a->dp, sizeof (mp_digit) * a->used)) == NULL) { + int used = 1; + + if(a->used > 0) + used = a->used; + + if (a->alloc != used) { + if ((tmp = OPT_CAST(mp_digit) XREALLOC (a->dp, sizeof (mp_digit) * used)) == NULL) { return MP_MEM; } a->dp = tmp; - a->alloc = a->used; + a->alloc = used; } return MP_OKAY; } |