tfm: make a few functions static

clamav expects them to be static and it does not seem bad to do so.

Signed-off-by: Sebastian Andrzej Siewior <[email protected]>

src/bin/fp_read_radix.c

@@ -9,7 +9,7 @@
  */
 #include <tfm_private.h>
 
-int fp_read_radix(fp_int *a, char *str, int radix)
+int fp_read_radix(fp_int *a, const char *str, int radix)
 {
   int     y, neg;
   char    ch;

src/bin/fp_read_signed_bin.c

@@ -9,7 +9,7 @@
  */
 #include <tfm_private.h>
 
-void fp_read_signed_bin(fp_int *a, unsigned char *b, int c)
+void fp_read_signed_bin(fp_int *a, const unsigned char *b, int c)
 {
   /* read magnitude */
   fp_read_unsigned_bin (a, b + 1, c - 1);

src/bin/fp_read_unsigned_bin.c

@@ -9,7 +9,7 @@
  */
 #include <tfm_private.h>
 
-void fp_read_unsigned_bin(fp_int *a, unsigned char *b, int c)
+void fp_read_unsigned_bin(fp_int *a, const unsigned char *b, int c)
 {
   /* zero the int */
   fp_zero (a);

src/headers/tfm.h

@@ -467,14 +467,14 @@ int fp_prime_random_ex(fp_int *a, int t, int size, int flags, tfm_prime_callback
 int fp_count_bits(fp_int *a);
 
 int fp_unsigned_bin_size(fp_int *a);
-void fp_read_unsigned_bin(fp_int *a, unsigned char *b, int c);
+void fp_read_unsigned_bin(fp_int *a, const unsigned char *b, int c);
 void fp_to_unsigned_bin(fp_int *a, unsigned char *b);
 
 int fp_signed_bin_size(fp_int *a);
-void fp_read_signed_bin(fp_int *a, unsigned char *b, int c);
+void fp_read_signed_bin(fp_int *a, const unsigned char *b, int c);
 void fp_to_signed_bin(fp_int *a, unsigned char *b);
 
-int fp_read_radix(fp_int *a, char *str, int radix);
+int fp_read_radix(fp_int *a, const char *str, int radix);
 
 int fp_radix_size(fp_int *a, int radix, int *size);
 int fp_toradix(fp_int *a, char *str, int radix);