Add a bunch of S/MIME sample programs and data.

[openssl.git] / demos / tunala / buffer.c

diff --git a/demos/tunala/buffer.c b/demos/tunala/buffer.c
index 8142c02281921c767bfcee9d4bb349db5c97b324..c5cd004209ad9a033781e7ff33612985c1e3674d 100644 (file)
--- a/demos/tunala/buffer.c
+++ b/demos/tunala/buffer.c
@@ -36,6 +36,7 @@ unsigned long buffer_total_out(buffer_t *buf) {
  * it's not sure when they're called how it should be interpreted. Only the
  * higher-level "buffer_[to|from]_[fd|SSL|BIO]" functions should alter these
  * values. */
+#if 0 /* To avoid "unused" warnings */
 static unsigned int buffer_adddata(buffer_t *buf, const unsigned char *ptr,
                unsigned int size)
 {
@@ -50,6 +51,21 @@ static unsigned int buffer_adddata(buffer_t *buf, const unsigned char *ptr,
        return added;
 }
 
+static unsigned int buffer_tobuffer(buffer_t *to, buffer_t *from, int cap)
+{
+       unsigned int moved, tomove = from->used;
+       if((int)tomove > cap)
+               tomove = cap;
+       if(tomove == 0)
+               return 0;
+       moved = buffer_adddata(to, from->data, tomove);
+       if(moved == 0)
+               return 0;
+       buffer_takedata(from, NULL, moved);
+       return moved;
+}
+#endif
+
 static unsigned int buffer_takedata(buffer_t *buf, unsigned char *ptr,
                unsigned int size)
 {
@@ -67,25 +83,11 @@ static unsigned int buffer_takedata(buffer_t *buf, unsigned char *ptr,
        return taken;
 }
 
-static unsigned int buffer_tobuffer(buffer_t *to, buffer_t *from, int cap)
-{
-       unsigned int moved, tomove = from->used;
-       if((int)tomove > cap)
-               tomove = cap;
-       if(tomove == 0)
-               return 0;
-       moved = buffer_adddata(to, from->data, tomove);
-       if(moved == 0)
-               return 0;
-       buffer_takedata(from, NULL, moved);
-       return moved;
-}
-
 #ifndef NO_IP
 
 int buffer_from_fd(buffer_t *buf, int fd)
 {
-       unsigned int toread = buffer_unused(buf);
+       int toread = buffer_unused(buf);
        if(toread == 0)
                /* Shouldn't be called in this case! */
                abort();
@@ -99,7 +101,7 @@ int buffer_from_fd(buffer_t *buf, int fd)
 
 int buffer_to_fd(buffer_t *buf, int fd)
 {
-       unsigned int towrite = buffer_used(buf);
+       int towrite = buffer_used(buf);
        if(towrite == 0)
                /* Shouldn't be called in this case! */
                abort();