From 2193f9bbf795ee3de242fa4a5d680be1f745b5d1 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 31 May 2016 16:49:30 +0000
Subject: crypt.c: constify

* missing/crypt.c: constify Standard DES Tables.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55230 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 missing/crypt.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/missing/crypt.c b/missing/crypt.c
index 366fba0919..97acbb9210 100644
--- a/missing/crypt.c
+++ b/missing/crypt.c
@@ -326,7 +326,7 @@ permute(cp, out, p, chars_in)
 
 /* =====  (mostly) Standard DES Tables ==================== */
 
-static unsigned char IP[] = {		/* initial permutation */
+static const unsigned char IP[] = {	/* initial permutation */
 	58, 50, 42, 34, 26, 18, 10,  2,
 	60, 52, 44, 36, 28, 20, 12,  4,
 	62, 54, 46, 38, 30, 22, 14,  6,
@@ -339,7 +339,7 @@ static unsigned char IP[] = {		/* initial permutation */
 
 /* The final permutation is the inverse of IP - no table is necessary */
 
-static unsigned char ExpandTr[] = {	/* expansion operation */
+static const unsigned char ExpandTr[] = { /* expansion operation */
 	32,  1,  2,  3,  4,  5,
 	 4,  5,  6,  7,  8,  9,
 	 8,  9, 10, 11, 12, 13,
@@ -350,7 +350,7 @@ static unsigned char ExpandTr[] = {	/* expansion operation */
 	28, 29, 30, 31, 32,  1,
 };
 
-static unsigned char PC1[] = {		/* permuted choice table 1 */
+static const unsigned char PC1[] = {	/* permuted choice table 1 */
 	57, 49, 41, 33, 25, 17,  9,
 	 1, 58, 50, 42, 34, 26, 18,
 	10,  2, 59, 51, 43, 35, 27,
@@ -362,12 +362,12 @@ static unsigned char PC1[] = {		/* permuted choice table 1 */
 	21, 13,  5, 28, 20, 12,  4,
 };
 
-static unsigned char Rotates[] = {	/* PC1 rotation schedule */
+static const unsigned char Rotates[] = { /* PC1 rotation schedule */
 	1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1,
 };
 
 /* note: each "row" of PC2 is left-padded with bits that make it invertible */
-static unsigned char PC2[] = {		/* permuted choice table 2 */
+static const unsigned char PC2[] = {	/* permuted choice table 2 */
 	 9, 18,    14, 17, 11, 24,  1,  5,
 	22, 25,     3, 28, 15,  6, 21, 10,
 	35, 38,    23, 19, 12,  4, 26,  8,
@@ -379,7 +379,7 @@ static unsigned char PC2[] = {		/* permuted choice table 2 */
 	 0,  0,    46, 42, 50, 36, 29, 32,
 };
 
-static unsigned char S[8][64] = {	/* 48->32 bit substitution tables */
+static const unsigned char S[8][64] = { /* 48->32 bit substitution tables */
     {
 					/* S[1]			*/
 	14,  4, 13,  1,  2, 15, 11,  8,  3, 10,  6, 12,  5,  9,  0,  7,
@@ -438,7 +438,7 @@ static unsigned char S[8][64] = {	/* 48->32 bit substitution tables */
     },
 };
 
-static unsigned char P32Tr[] = {	/* 32-bit permutation function */
+static const unsigned char P32Tr[] = {	/* 32-bit permutation function */
 	16,  7, 20, 21,
 	29, 12, 28, 17,
 	 1, 15, 23, 26,
@@ -449,7 +449,7 @@ static unsigned char P32Tr[] = {	/* 32-bit permutation function */
 	22, 11,  4, 25,
 };
 
-static unsigned char CIFP[] = {		/* compressed/interleaved permutation */
+static const unsigned char CIFP[] = {	/* compressed/interleaved permutation */
 	 1,  2,  3,  4,   17, 18, 19, 20,
 	 5,  6,  7,  8,   21, 22, 23, 24,
 	 9, 10, 11, 12,   25, 26, 27, 28,
@@ -461,7 +461,7 @@ static unsigned char CIFP[] = {		/* compressed/interleaved permutation */
 	45, 46, 47, 48,   61, 62, 63, 64,
 };
 
-static unsigned char itoa64[] =		/* 0..63 => ascii-64 */
+static const unsigned char itoa64[] =	/* 0..63 => ascii-64 */
 	"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 
 
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