use forward declaration in headers if possible instead of includes

[apt.git] / apt-pkg / contrib / sha2_internal.cc

diff --git a/apt-pkg/contrib/sha2_internal.cc b/apt-pkg/contrib/sha2_internal.cc
index 10b82dec4cae0ee0b52233ed8b9bcb614dc77b38..ff995cdf289f89ede8ce790ec349d7f0537e24f6 100644 (file)
--- a/apt-pkg/contrib/sha2_internal.cc
+++ b/apt-pkg/contrib/sha2_internal.cc
@@ -31,6 +31,7 @@
  *
  * $Id: sha2.c,v 1.1 2001/11/08 00:01:51 adg Exp adg $
  */
+#include <config.h>
 
 #include <string.h>    /* memcpy()/memset() or bcopy()/bzero() */
 #include <assert.h>    /* assert() */
@@ -219,9 +220,9 @@ 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 +380,7 @@ 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 +438,7 @@ 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 +707,7 @@ 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 +762,7 @@ 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 +888,7 @@ 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;