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Better fixes for suppressing scan-build warning with normal math enabled.

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David Garske
2017-03-03 07:35:26 -08:00
parent 67a8626430
commit 431f363520
1 changed files with 3 additions and 7 deletions
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10
wolfcrypt/src/integer.c
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@@ -336,10 +336,6 @@ int mp_copy (mp_int * a, mp_int * b)
} }
} }
/* sanity check on destination */
if (b->dp == NULL)
return MP_VAL;
/* zero b and copy the parameters over */ /* zero b and copy the parameters over */
{ {
mp_digit *tmpa, *tmpb; mp_digit *tmpa, *tmpb;
@@ -358,7 +354,7 @@ int mp_copy (mp_int * a, mp_int * b)
} }
/* clear high digits */ /* clear high digits */
for (; n < b->used; n++) { for (; n < b->used && b->dp; n++) {
*tmpb++ = 0; *tmpb++ = 0;
} }
} }
@@ -3776,7 +3772,7 @@ int s_mp_mul_high_digs (mp_int * a, mp_int * b, mp_int * c, int digs)
pa = a->used; pa = a->used;
pb = b->used; pb = b->used;
for (ix = 0; ix < pa; ix++) { for (ix = 0; ix < pa && a->dp; ix++) {
/* clear the carry */ /* clear the carry */
u = 0; u = 0;
@@ -3849,7 +3845,7 @@ int fast_s_mp_mul_high_digs (mp_int * a, mp_int * b, mp_int * c, int digs)
/* number of output digits to produce */ /* number of output digits to produce */
pa = a->used + b->used; pa = a->used + b->used;
_W = 0; _W = 0;
for (ix = digs; ix < pa; ix++) { for (ix = digs; ix < pa && a->dp; ix++) {
int tx, ty, iy; int tx, ty, iy;
mp_digit *tmpx, *tmpy; mp_digit *tmpx, *tmpy;