Added memset exception to helper.pl

Author: czurnieden

helper.pl

@@ -58,7 +58,7 @@ sub check_source {
       push @{$troubles->{unwanted_free}},      $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bfree\s*\(/;
       # and we probably want to also avoid the following
       push @{$troubles->{unwanted_memcpy}},    $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemcpy\s*\(/ && $file !~ /s_mp_copy_digs.c/;
-      push @{$troubles->{unwanted_memset}},    $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemset\s*\(/ && $file !~ /s_mp_zero_buf.c/ && $file !~ /s_mp_zero_digs.c/;
+      push @{$troubles->{unwanted_memset}},    $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemset\s*\(/ && $file !~ /s_mp_zero_buf.c/ && $file !~ /s_mp_zero_digs.c/  && $file !~ /mp_is_small_prime.c/;
       push @{$troubles->{unwanted_memmove}},   $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemmove\s*\(/;
       push @{$troubles->{unwanted_memcmp}},    $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemcmp\s*\(/;
       push @{$troubles->{unwanted_strcmp}},    $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bstrcmp\s*\(/;

mp_is_small_prime.c

@@ -38,11 +38,10 @@ static mp_sieve_prime s_nextprime(mp_sieve_prime p, mp_single_sieve *bst);
 
 static void s_mp_sieve_setall(mp_single_sieve *bst)
 {
-   mp_sieve_prime i, bs_size;
-
 #ifdef MP_USE_MEMOPS
-   memset((bst)->content, MP_SIEVE_FILL, bst->alloc);
+   memset((bst)->content, 0xff, bst->alloc);
 #else
+   mp_sieve_prime i, bs_size;
    bs_size = bst->alloc / sizeof(mp_sieve_prime);
    for (i = 0; i < bs_size; i++) {
       (bst)->content[i] = MP_SIEVE_FILL;