client: Reformat callback_receive_banner()

The function is hard to read as the indentation is not correctly
applied.

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>

src/client.c

@@ -90,7 +90,8 @@ static void socket_callback_connected(int code, int errno_code, void *user){
  * @param  user is a pointer to session
  * @returns Number of bytes processed, or zero if the banner is not complete.
  */
-static int callback_receive_banner(const void *data, size_t len, void *user) {
+static int callback_receive_banner(const void *data, size_t len, void *user)
+{
     char *buffer = (char *)data;
     ssh_session session=(ssh_session) user;
     char *str = NULL;
@@ -98,23 +99,32 @@ static int callback_receive_banner(const void *data, size_t len, void *user) {
     int ret=0;
 
     if (session->session_state != SSH_SESSION_STATE_SOCKET_CONNECTED) {
-  	ssh_set_error(session,SSH_FATAL,"Wrong state in callback_receive_banner : %d",session->session_state);
+        ssh_set_error(session,SSH_FATAL,
+                      "Wrong state in callback_receive_banner : %d",
+                      session->session_state);
 
         return SSH_ERROR;
     }
     for (i = 0; i < len; ++i) {
 #ifdef WITH_PCAP
         if (session->pcap_ctx && buffer[i] == '\n') {
-  		ssh_pcap_context_write(session->pcap_ctx,SSH_PCAP_DIR_IN,buffer,i+1,i+1);
+            ssh_pcap_context_write(session->pcap_ctx,
+                                   SSH_PCAP_DIR_IN,
+                                   buffer,i+1,
+                                   i+1);
         }
 #endif
         if (buffer[i] == '\r') {
             buffer[i] = '\0';
         }
         if (buffer[i] == '\n') {
+            int cmp;
+
             buffer[i] = '\0';
+
             /* The server MAY send other lines of data... */
-        if (strncmp(buffer, "SSH-", 4) == 0) {
+            cmp = strncmp(buffer, "SSH-", 4);
+            if (cmp == 0) {
                 str = strdup(buffer);
                 if (str == NULL) {
                     return SSH_ERROR;
@@ -128,7 +138,9 @@ static int callback_receive_banner(const void *data, size_t len, void *user) {
 
                 return ret;
             } else {
-        SSH_LOG(SSH_LOG_DEBUG, "ssh_protocol_version_exchange: %s", buffer);
+                SSH_LOG(SSH_LOG_DEBUG,
+                        "ssh_protocol_version_exchange: %s",
+                        buffer);
                 ret = i + 1;
                 break;
             }
@@ -136,7 +148,9 @@ static int callback_receive_banner(const void *data, size_t len, void *user) {
         if (i > 127) {
             /* Too big banner */
             session->session_state=SSH_SESSION_STATE_ERROR;
-  		ssh_set_error(session,SSH_FATAL,"Receiving banner: too large banner");
+            ssh_set_error(session,
+                          SSH_FATAL,
+                          "Receiving banner: too large banner");
 
             return 0;
         }