help coverity with max size issue on unsigned addition

2014-05-02 11:06:59 -07:00 · 2014-05-02 11:06:59 -07:00 · 697f77bef5
commit 697f77bef5
parent 4104b74c40
1 changed files with 1 additions and 1 deletions
--- a/ctaocrypt/src/tfm.c
+++ b/ctaocrypt/src/tfm.c
@ -95,7 +95,7 @@ void s_fp_add(fp_int *a, fp_int *b, fp_int *c)
  register fp_word  t;

  y       = MAX(a->used, b->used);
-  oldused = c->used;
+  oldused = MAX(c->used, FP_SIZE);   /* help static analysis w/ max size */
  c->used = y;
 
  t = 0;