Constified.

Rev: src/bignum.c:1.11
Rev: src/bignum.h:1.13

src/bignum.c

@@ -31,7 +31,7 @@
 
 #include "prime_table.h"
 
-static void limbs_to_octets(mpz_t n, UINT32 length,
+static void limbs_to_octets(const mpz_t n, UINT32 length,
 			    UINT8 pad, UINT8 *data)
 {
   UINT8 *dst = data + length - 1;
@@ -85,7 +85,7 @@ void bignum_parse_s(mpz_t n, UINT32 length, UINT8 *data)
   mpz_clear(digit);
 }
 
-static int mpz_size_of_complement(mpz_t n)
+static int mpz_size_of_complement(const mpz_t n)
 {
   int bits;
 	
@@ -103,7 +103,7 @@ static int mpz_size_of_complement(mpz_t n)
 }
 
 /* This function should handle both positive and negative numbers */
-UINT32 bignum_format_s_length(mpz_t n)
+UINT32 bignum_format_s_length(const mpz_t n)
 {
   switch(mpz_sgn(n))
     {
@@ -118,7 +118,7 @@ UINT32 bignum_format_s_length(mpz_t n)
     }
 }
   
-UINT32 bignum_format_s(mpz_t n, UINT8 *data)
+UINT32 bignum_format_s(const mpz_t n, UINT8 *data)
 {
   switch(mpz_sgn(n))
     {
@@ -173,7 +173,7 @@ void bignum_parse_u(mpz_t n, UINT32 length, UINT8 *data)
   mpz_clear(digit);
 }
 
-UINT32 bignum_format_u_length(mpz_t n)
+UINT32 bignum_format_u_length(const mpz_t n)
 {
   switch(mpz_sgn(n))
     {
@@ -191,7 +191,7 @@ void bignum_write(mpz_t n, unsigned length, UINT8 *data)
   limbs_to_octets(n, length, 0, data);
 }
 
-UINT32 bignum_format_u(mpz_t n, UINT8 *data)
+UINT32 bignum_format_u(const mpz_t n, UINT8 *data)
 {
   switch(mpz_sgn(n))
     {

src/bignum.h

@@ -45,11 +45,11 @@
 void bignum_parse_s(mpz_t n, UINT32 length, UINT8 *data);
 void bignum_parse_u(mpz_t n, UINT32 length, UINT8 *data);
 
-UINT32 bignum_format_s(mpz_t n, UINT8 *data);
-UINT32 bignum_format_s_length(mpz_t n);
+UINT32 bignum_format_s(const mpz_t n, UINT8 *data);
+UINT32 bignum_format_s_length(const mpz_t n);
 
-UINT32 bignum_format_u(mpz_t n, UINT8 *data);
-UINT32 bignum_format_u_length(mpz_t n);
+UINT32 bignum_format_u(const mpz_t n, UINT8 *data);
+UINT32 bignum_format_u_length(const mpz_t n);
 
 void bignum_write(mpz_t n, unsigned length, UINT8 *data);