Fix compiler warnings in buffer implementation.

git-svn-id: svn+ssh://svn.berlios.de/svnroot/repos/libssh/trunk@206 7dcaeef0-15fb-0310-b436-a5af3365683c

include/libssh/libssh.h

@@ -308,7 +308,7 @@ void ssh_options_set_auth_callback(SSH_OPTIONS *opt, ssh_auth_callback cb,
 
 /** creates a new buffer 
  */
-BUFFER *buffer_new();
+BUFFER *buffer_new(void);
 void buffer_free(BUFFER *buffer);
 /* buffer_get returns a pointer to the begining of the buffer. no position is taken into account */
 void *buffer_get(BUFFER *buffer);

include/libssh/priv.h

@@ -154,9 +154,9 @@ struct string_struct {
  */
 struct buffer_struct {
     char *data;
-    int used;
-    int allocated;
-    int pos;
+    u32 used;
+    u32 allocated;
+    u32 pos;
 };
 
 /* i should remove it one day */
@@ -599,14 +599,14 @@ int buffer_get_u8(BUFFER *buffer,u8 *data);
 int buffer_get_u32(BUFFER *buffer,u32 *data);
 int buffer_get_u64(BUFFER *buffer, u64 *data);
 
-int buffer_get_data(BUFFER *buffer,void *data,int requestedlen);
+u32 buffer_get_data(BUFFER *buffer, void *data, u32 requestedlen);
 /* buffer_get_ssh_string() is an exception. if the String read is too large or invalid, it will answer NULL. */
 STRING *buffer_get_ssh_string(BUFFER *buffer);
 /* gets a string out of a SSH-1 mpint */
 STRING *buffer_get_mpint(BUFFER *buffer);
 /* buffer_pass_bytes acts as if len bytes have been read (used for padding) */
-int buffer_pass_bytes_end(BUFFER *buffer,int len);
-int buffer_pass_bytes(BUFFER *buffer, int len);
+int buffer_pass_bytes_end(BUFFER *buffer, u32 len);
+int buffer_pass_bytes(BUFFER *buffer, u32 len);
 
 /* in base64.c */
 BUFFER *base64_to_bin(char *source);

libssh/buffer.c

@@ -33,7 +33,7 @@ MA 02111-1307, USA. */
 /** \brief creates a new buffer
  * \return a new initialized buffer
  */
-BUFFER *buffer_new(){
+BUFFER *buffer_new(void) {
     BUFFER *buffer=malloc(sizeof(BUFFER));
     memset(buffer,0,sizeof(BUFFER));
     return buffer;
@@ -195,7 +195,7 @@ int buffer_get_rest_len(BUFFER *buffer){
  * \param len number of bytes to eat
  * \return new size of the buffer
  */
-int buffer_pass_bytes(BUFFER *buffer,int len){
+int buffer_pass_bytes(BUFFER *buffer, u32 len){
     if(buffer->used < buffer->pos+len)
         return 0;
     buffer->pos+=len;
@@ -213,7 +213,7 @@ int buffer_pass_bytes(BUFFER *buffer,int len){
  * \param len number of bytes to remove from tail
  * \return new size of the buffer
  */
-int buffer_pass_bytes_end(BUFFER *buffer,int len){
+int buffer_pass_bytes_end(BUFFER *buffer, u32 len){
     if(buffer->used < buffer->pos + len)
         return 0;
     buffer->used-=len;
@@ -228,7 +228,7 @@ int buffer_pass_bytes_end(BUFFER *buffer,int len){
  * \returns 0 if there is not enough data in buffer
  * \returns len otherwise.
  */
-int buffer_get_data(BUFFER *buffer, void *data, int len){
+u32 buffer_get_data(BUFFER *buffer, void *data, u32 len){
     if(buffer->pos+len>buffer->used)
         return 0;  /*no enough data in buffer */
     memcpy(data,buffer->data+buffer->pos,len);