Move constants into read-only data segment

1 files changed, 13 insertions, 13 deletions

diff --git a/ext/standard/crypt_freesec.c b/ext/standard/crypt_freesec.c
index ba11bf98e8..5e99e83bd4 100644
--- a/ext/standard/crypt_freesec.c
+++ b/ext/standard/crypt_freesec.c
@@ -73,25 +73,25 @@
 
 #define _PASSWORD_EFMT1 '_'
 
-static u_char	IP[64] = {
+static const u_char	IP[64] = {
 	58, 50, 42, 34, 26, 18, 10,  2, 60, 52, 44, 36, 28, 20, 12,  4,
 	62, 54, 46, 38, 30, 22, 14,  6, 64, 56, 48, 40, 32, 24, 16,  8,
 	57, 49, 41, 33, 25, 17,  9,  1, 59, 51, 43, 35, 27, 19, 11,  3,
 	61, 53, 45, 37, 29, 21, 13,  5, 63, 55, 47, 39, 31, 23, 15,  7
 };
 
-static u_char	key_perm[56] = {
+static const u_char	key_perm[56] = {
 	57, 49, 41, 33, 25, 17,  9,  1, 58, 50, 42, 34, 26, 18,
 	10,  2, 59, 51, 43, 35, 27, 19, 11,  3, 60, 52, 44, 36,
 	63, 55, 47, 39, 31, 23, 15,  7, 62, 54, 46, 38, 30, 22,
 	14,  6, 61, 53, 45, 37, 29, 21, 13,  5, 28, 20, 12,  4
 };
 
-static u_char	key_shifts[16] = {
+static const u_char	key_shifts[16] = {
 	1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1
 };
 
-static u_char	comp_perm[48] = {
+static const u_char	comp_perm[48] = {
 	14, 17, 11, 24,  1,  5,  3, 28, 15,  6, 21, 10,
 	23, 19, 12,  4, 26,  8, 16,  7, 27, 20, 13,  2,
 	41, 52, 31, 37, 47, 55, 30, 40, 51, 45, 33, 48,
@@ -102,7 +102,7 @@ static u_char	comp_perm[48] = {
  *	No E box is used, as it's replaced by some ANDs, shifts, and ORs.
  */
 
-static u_char	sbox[8][64] = {
+static const u_char	sbox[8][64] = {
 	{
 		14,  4, 13,  1,  2, 15, 11,  8,  3, 10,  6, 12,  5,  9,  0,  7,
 		 0, 15,  7,  4, 14,  2, 13,  1, 10,  6, 12, 11,  9,  5,  3,  8,
@@ -153,12 +153,12 @@ static u_char	sbox[8][64] = {
 	}
 };
 
-static u_char	pbox[32] = {
+static const u_char	pbox[32] = {
 	16,  7, 20, 21, 29, 12, 28, 17,  1, 15, 23, 26,  5, 18, 31, 10,
 	 2,  8, 24, 14, 32, 27,  3,  9, 19, 13, 30,  6, 22, 11,  4, 25
 };
 
-static uint32_t bits32[32] =
+static const uint32_t bits32[32] =
 {
 	0x80000000, 0x40000000, 0x20000000, 0x10000000,
 	0x08000000, 0x04000000, 0x02000000, 0x01000000,
@@ -170,9 +170,9 @@ static uint32_t bits32[32] =
 	0x00000008, 0x00000004, 0x00000002, 0x00000001
 };
 
-static u_char	bits8[8] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 };
+static const u_char	bits8[8] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 };
 
-static unsigned char	ascii64[] =
+static const unsigned char	ascii64[] =
 	 "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 /*	  0000000000111111111122222222223333333333444444444455555555556666 */
 /*	  0123456789012345678901234567890123456789012345678901234567890123 */
@@ -216,7 +216,7 @@ _crypt_extended_init(void)
 {
 	int i, j, b, k, inbit, obit;
 	uint32_t *p, *il, *ir, *fl, *fr;
-	uint32_t *bits28, *bits24;
+	const uint32_t *bits28, *bits24;
 	u_char inv_key_perm[64];
 	u_char inv_comp_perm[56];
 	u_char init_perm[64], final_perm[64];
@@ -741,9 +741,9 @@ _crypt_extended(const char *key, const char *setting)
 
 #define crypt _crypt_extended
 
-static struct {
-	char *hash;
-	char *pw;
+static const struct {
+	const char *hash;
+	const char *pw;
 } tests[] = {
 /* "new"-style */
 	{"_J9..CCCCXBrJUJV154M", "U*U*U*U*"},