constification

10 files changed, 21 insertions, 21 deletions

diff --git a/src/src/auths/cram_md5.c b/src/src/auths/cram_md5.c
index 188ac4643..b1c5610e7 100644
--- a/src/src/auths/cram_md5.c
+++ b/src/src/auths/cram_md5.c
@@ -321,7 +321,7 @@ in big_buffer, but b64encode() returns its result in working store,
 so calling smtp_write_command(), which uses big_buffer, is OK. */
 
 buffer[0] = 0;
-if (smtp_write_command(sx, SCMD_FLUSH, "%s\r\n", b64encode(big_buffer,
+if (smtp_write_command(sx, SCMD_FLUSH, "%s\r\n", b64encode(CUS big_buffer,
   p - big_buffer)) < 0) return FAIL_SEND;
 
 return smtp_read_response(sx, US buffer, buffsize, '2', timeout)
diff --git a/src/src/auths/get_data.c b/src/src/auths/get_data.c
index 7d974ab26..00ea9e5bd 100644
--- a/src/src/auths/get_data.c
+++ b/src/src/auths/get_data.c
@@ -26,7 +26,7 @@ Returns:      OK on success
 */
 
 int
-auth_get_data(uschar **aptr, uschar *challenge, int challen)
+auth_get_data(uschar **aptr, const uschar * challenge, int challen)
 {
 int c;
 int p = 0;
diff --git a/src/src/base64.c b/src/src/base64.c
index f3c458470..289383b66 100644
--- a/src/src/base64.c
+++ b/src/src/base64.c
@@ -242,7 +242,7 @@ static uschar *enc64table =
   US"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
 
 uschar *
-b64encode(uschar *clear, int len)
+b64encode(const uschar * clear, int len)
 {
 uschar *code = store_get(4*((len+2)/3) + 1);
 uschar *p = code;
diff --git a/src/src/expand.c b/src/src/expand.c
index a7a09fa7a..d6fd8488a 100644
--- a/src/src/expand.c
+++ b/src/src/expand.c
@@ -2737,7 +2737,7 @@ switch(cond_type)
 
       if (sublen == 24)
         {
-        uschar *coded = b64encode(digest, 16);
+        uschar *coded = b64encode(CUS digest, 16);
         DEBUG(D_auth) debug_printf("crypteq: using MD5+B64 hashing\n"
           "  subject=%s\n  crypted=%s\n", coded, sub[1]+5);
         tempcond = (Ustrcmp(coded, sub[1]+5) == 0);
@@ -2774,7 +2774,7 @@ switch(cond_type)
 
       if (sublen == 28)
         {
-        uschar *coded = b64encode(digest, 20);
+        uschar *coded = b64encode(CUS digest, 20);
         DEBUG(D_auth) debug_printf("crypteq: using SHA1+B64 hashing\n"
           "  subject=%s\n  crypted=%s\n", coded, sub[1]+6);
         tempcond = (Ustrcmp(coded, sub[1]+6) == 0);
@@ -6843,7 +6843,7 @@ while (*s != 0)
             }
           }
 
-        enc = b64encode(sub, out - sub);
+        enc = b64encode(CUS sub, out - sub);
         yield = string_cat(yield, enc);
         continue;
         }
@@ -7507,9 +7507,9 @@ while (*s != 0)
 #ifdef SUPPORT_TLS
 	uschar * s = vp && *(void **)vp->value
 	  ? tls_cert_der_b64(*(void **)vp->value)
-	  : b64encode(sub, Ustrlen(sub));
+	  : b64encode(CUS sub, Ustrlen(sub));
 #else
-	uschar * s = b64encode(sub, Ustrlen(sub));
+	uschar * s = b64encode(CUS sub, Ustrlen(sub));
 #endif
 	yield = string_cat(yield, s);
 	continue;
diff --git a/src/src/functions.h b/src/src/functions.h
index cab7a7363..866865600 100644
--- a/src/src/functions.h
+++ b/src/src/functions.h
@@ -108,7 +108,7 @@ extern int     auth_check_serv_cond(auth_instance *);
 extern int     auth_check_some_cond(auth_instance *, uschar *, uschar *, int);
 
 
-extern int     auth_get_data(uschar **, uschar *, int);
+extern int     auth_get_data(uschar **, const uschar *, int);
 extern int     auth_get_no64_data(uschar **, uschar *);
 extern void    auth_show_supported(FILE *);
 extern uschar *auth_xtextencode(uschar *, int);
@@ -128,7 +128,7 @@ extern gstring *authres_smtpauth(gstring *);
 extern gstring *authres_spf(gstring *);
 #endif
 
-extern uschar *b64encode(uschar *, int);
+extern uschar *b64encode(const uschar *, int);
 extern int     b64decode(const uschar *, uschar **);
 extern int     bdat_getc(unsigned);
 extern uschar *bdat_getbuf(unsigned *);
diff --git a/src/src/lss.c b/src/src/lss.c
index 59cbd7ff4..167522d2f 100644
--- a/src/src/lss.c
+++ b/src/src/lss.c
@@ -115,9 +115,9 @@ Returns:      a pointer to the zero-terminated base 64 string, which
 */
 
 uschar *
-lss_b64encode(uschar *clear, int len)
+lss_b64encode(uschar * clear, int len)
 {
-return b64encode(clear, len);
+return b64encode(CUS clear, len);
 }
 
 /*
diff --git a/src/src/pdkim/pdkim.c b/src/src/pdkim/pdkim.c
index d056402e1..6e154f5ef 100644
--- a/src/src/pdkim/pdkim.c
+++ b/src/src/pdkim/pdkim.c
@@ -445,7 +445,7 @@ b->len = dlen;
 uschar *
 pdkim_encode_base64(blob * b)
 {
-return b64encode(b->data, b->len);
+return b64encode(CUS b->data, b->len);
 }
 
 
diff --git a/src/src/tls-gnu.c b/src/src/tls-gnu.c
index e5a5fabcc..6d60409d7 100644
--- a/src/src/tls-gnu.c
+++ b/src/src/tls-gnu.c
@@ -475,16 +475,16 @@ tls_channelbinding_b64 = NULL;
 #ifdef HAVE_GNUTLS_SESSION_CHANNEL_BINDING
 channel.data = NULL;
 channel.size = 0;
-rc = gnutls_session_channel_binding(state->session, GNUTLS_CB_TLS_UNIQUE, &channel);
-if (rc) {
-  DEBUG(D_tls) debug_printf("Channel binding error: %s\n", gnutls_strerror(rc));
-} else {
+if ((rc = gnutls_session_channel_binding(state->session, GNUTLS_CB_TLS_UNIQUE, &channel)))
+  { DEBUG(D_tls) debug_printf("Channel binding error: %s\n", gnutls_strerror(rc)); }
+else
+  {
   old_pool = store_pool;
   store_pool = POOL_PERM;
-  tls_channelbinding_b64 = b64encode(channel.data, (int)channel.size);
+  tls_channelbinding_b64 = b64encode(CUS channel.data, (int)channel.size);
   store_pool = old_pool;
   DEBUG(D_tls) debug_printf("Have channel bindings cached for possible auth usage.\n");
-}
+  }
 #endif
 
 /* peercert is set in peer_status() */
diff --git a/src/src/tlscert-gnu.c b/src/src/tlscert-gnu.c
index 572f97130..cebeae526 100644
--- a/src/src/tlscert-gnu.c
+++ b/src/src/tlscert-gnu.c
@@ -429,7 +429,7 @@ if (  (fail = gnutls_x509_crt_export((gnutls_x509_crt_t)cert,
     gnutls_strerror(fail));
   return NULL;
   }
-return b64encode(cp, (int)len);
+return b64encode(CUS cp, (int)len);
 }
 
 
diff --git a/src/src/tlscert-openssl.c b/src/src/tlscert-openssl.c
index 938b0abb8..46de499cc 100644
--- a/src/src/tlscert-openssl.c
+++ b/src/src/tlscert-openssl.c
@@ -477,7 +477,7 @@ if (!i2d_X509_bio(bp, (X509 *)cert))
 else
   {
   long len = BIO_get_mem_data(bp, &cp);
-  cp = b64encode(cp, (int)len);
+  cp = b64encode(CUS cp, (int)len);
   }
 
 BIO_free(bp);