Make private sha2 functions static

(freebsd which can be considered the "official" upstream has applied it)

diff --git a/apt-pkg/contrib/sha2_internal.cc b/apt-pkg/contrib/sha2_internal.cc
index 10b82dec4cae0ee0b52233ed8b9bcb614dc77b38..565db2f91d2faefbb4693c0186b7e8d39c200650 100644 (file)
--- a/apt-pkg/contrib/sha2_internal.cc
+++ b/apt-pkg/contrib/sha2_internal.cc
@@ -219,9 +219,9 @@ typedef u_int64_t sha2_word64;      /* Exactly 8 bytes */
  * library -- they are intended for private internal visibility/use
  * only.
  */
-void SHA512_Last(SHA512_CTX*);
-void SHA256_Transform(SHA256_CTX*, const sha2_word32*);
-void SHA512_Transform(SHA512_CTX*, const sha2_word64*);
+static void SHA512_Last(SHA512_CTX*);
+static void SHA256_Transform(SHA256_CTX*, const sha2_word32*);
+static void SHA512_Transform(SHA512_CTX*, const sha2_word64*);
 
 
 /*** SHA-XYZ INITIAL HASH VALUES AND CONSTANTS ************************/
@@ -379,7 +379,7 @@ void SHA256_Init(SHA256_CTX* context) {
        (h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \
        j++
 
-void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
+static void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
        sha2_word32     a, b, c, d, e, f, g, h, s0, s1;
        sha2_word32     T1, *W256;
        int             j;
@@ -437,7 +437,7 @@ void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
 
 #else /* SHA2_UNROLL_TRANSFORM */
 
-void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
+static void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
        sha2_word32     a, b, c, d, e, f, g, h, s0, s1;
        sha2_word32     T1, T2, *W256;
        int             j;
@@ -706,7 +706,7 @@ void SHA512_Init(SHA512_CTX* context) {
        (h) = T1 + Sigma0_512(a) + Maj((a), (b), (c)); \
        j++
 
-void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
+static void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
        sha2_word64     a, b, c, d, e, f, g, h, s0, s1;
        sha2_word64     T1, *W512 = (sha2_word64*)context->buffer;
        int             j;
@@ -761,7 +761,7 @@ void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
 
 #else /* SHA2_UNROLL_TRANSFORM */
 
-void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
+static void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
        sha2_word64     a, b, c, d, e, f, g, h, s0, s1;
        sha2_word64     T1, T2, *W512 = (sha2_word64*)context->buffer;
        int             j;
@@ -887,7 +887,7 @@ void SHA512_Update(SHA512_CTX* context, const sha2_byte *data, size_t len) {
        usedspace = freespace = 0;
 }
 
-void SHA512_Last(SHA512_CTX* context) {
+static void SHA512_Last(SHA512_CTX* context) {
        unsigned int    usedspace;
 
        usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH;