Fix building with a pre C99 compiler.

* cipher/cipher-cfb.c (_gcry_cipher_cfb8_encrypt): Move the
declaration of 'i' out of the loop.
(_gcry_cipher_cfb8_decrypt): Likewise.
--
Fixes build on OpenBSD.

Fixes-commit: d1ee9a660571ce4a998c9ab2299d4f2419f99127
Signed-off-by: Justus Winter <justus@g10code.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/cipher/cipher-cfb.c b/cipher/cipher-cfb.c
index cca5c1fb..c888e70a 100644
--- a/cipher/cipher-cfb.c
+++ b/cipher/cipher-cfb.c
@@ -251,6 +251,8 @@ _gcry_cipher_cfb8_encrypt (gcry_cipher_hd_t c,
 
   while ( inbuflen > 0)
     {
+      int i;
+
       /* Encrypt the IV. */
       nburn = enc_fn ( &c->context.c, c->lastiv, c->u_iv.iv );
       burn = nburn > burn ? nburn : burn;
@@ -258,7 +260,7 @@ _gcry_cipher_cfb8_encrypt (gcry_cipher_hd_t c,
       outbuf[0] = c->lastiv[0] ^ inbuf[0];
 
       /* Bitshift iv by 8 bit to the left */
-      for (int i = 0; i < blocksize-1; i++)
+      for (i = 0; i < blocksize-1; i++)
         c->u_iv.iv[i] = c->u_iv.iv[i+1];
 
       /* append cipher text to iv */
@@ -293,6 +295,8 @@ _gcry_cipher_cfb8_decrypt (gcry_cipher_hd_t c,
 
   while (inbuflen > 0)
     {
+      int i;
+
       /* Encrypt the IV. */
       nburn = enc_fn ( &c->context.c, c->lastiv, c->u_iv.iv );
       burn = nburn > burn ? nburn : burn;
@@ -304,7 +308,7 @@ _gcry_cipher_cfb8_decrypt (gcry_cipher_hd_t c,
       outbuf[0] = inbuf[0] ^ c->lastiv[0];
 
       /* Bitshift iv by 8 bit to the left */
-      for (int i = 0; i < blocksize-1; i++)
+      for (i = 0; i < blocksize-1; i++)
         c->u_iv.iv[i] = c->u_iv.iv[i+1];
 
       c->u_iv.iv[blocksize-1] = appendee;