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Resolve cppcheck Signed integer overflow error 

The type of expression '1<<31' is signed int and this causes cppcheck to
issue the following warning.

src/gf_w32.c:681]: (error) Signed integer overflow for expression
'1<<31'.

Signed-off-by: Brad Hubbard <bhubbard@redhat.com>
master
Brad Hubbard 2017-04-10 17:47:45 +10:00
parent 414c96ef2b
commit 31cd20f7f3
1 changed files with 1 additions and 1 deletions
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2
src/reed_sol.c
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@ -136,7 +136,7 @@ static gf_t GF32;
void reed_sol_galois_w32_region_multby_2(char *region, int nbytes)
{
if (prim32 == -1) {
prim32 = galois_single_multiply((1 << 31), 2, 32);
prim32 = galois_single_multiply(((gf_val_32_t)1 << 31), 2, 32);
if (!gf_init_hard(&GF32, 32, GF_MULT_BYTWO_b, GF_REGION_DEFAULT, GF_DIVIDE_DEFAULT,
prim32, 0, 0, NULL, NULL)) {
fprintf(stderr, "Error: Can't initialize the GF for reed_sol_galois_w32_region_multby_2\n");