Fcalva/chibi-scheme
1
0
Fork 0
mirror of https://github.com/ashinn/chibi-scheme.git synced 2025-05-19 13:49:17 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix potential memory overwrite in sexp_bignum_fxmul.

Browse source 
Patch from Lorenzo.
This commit is contained in:
Alex Shinn 2013-10-02 10:53:01 +09:00
parent 20aa69033c
commit 179aea56a0
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
bignum.c
View file

@ -183,7 +183,7 @@ sexp sexp_bignum_fxmul (sexp ctx, sexp d, sexp a, sexp_uint_t b, int offset) {
sexp_gc_var1(tmp); sexp_gc_var1(tmp);
sexp_gc_preserve1(ctx, tmp); sexp_gc_preserve1(ctx, tmp);
if ((! d) || (sexp_bignum_length(d) < len+offset)) if ((! d) || (sexp_bignum_length(d) < len+offset))
d = tmp = sexp_make_bignum(ctx, len); d = tmp = sexp_make_bignum(ctx, len+offset);
else else
tmp = d; tmp = d;
data = sexp_bignum_data(d); data = sexp_bignum_data(d);