tidy-up: formatting nits

Whitespace and redundant parenthesis in `return`s.

Closes #1029

example/x11.c

@@ -436,7 +436,7 @@ int main(int argc, char *argv[])
         fds[0].revents = LIBSSH2_POLLFD_POLLIN;
 
         rc = libssh2_poll(fds, nfds, 0);
-        if(rc >0) {
+        if(rc > 0) {
             libssh2_channel_read(channel, buf, sizeof(buf));
             fprintf(stdout, "%s", buf);
             fflush(stdout);

src/channel.c

@@ -2314,7 +2314,7 @@ _libssh2_channel_packet_data_len(LIBSSH2_CHANNEL * channel, int stream_id)
              && (channel->local.id == read_local_id)
              && (channel->remote.extended_data_ignore_mode
                  == LIBSSH2_CHANNEL_EXTENDED_DATA_MERGE))) {
-            return (read_packet->data_len - read_packet->data_head);
+            return read_packet->data_len - read_packet->data_head;
         }
 
         read_packet = next_packet;

src/crypto.c

@@ -1,5 +1,4 @@
 #define LIBSSH2_CRYPTO_C
-
 #include "libssh2_priv.h"
 
 #if defined(LIBSSH2_OPENSSL) || defined(LIBSSH2_WOLFSSL)

src/knownhost.c

@@ -821,7 +821,7 @@ static int hostline(LIBSSH2_KNOWNHOSTS *hosts,
     }
 
     /* Figure out host format */
-    if((hostlen >2) && memcmp(host, "|1|", 3)) {
+    if((hostlen > 2) && memcmp(host, "|1|", 3)) {
         /* old style plain text: [name]([,][name])*
 
            for the sake of simplicity, we add them as separate hosts with the

src/misc.c

@@ -935,7 +935,7 @@ int _libssh2_check_length(struct string_buf *buf, size_t len)
 {
     unsigned char *endp = &buf->data[buf->len];
     size_t left = endp - buf->dataptr;
-    return ((len <= left) && (left <= buf->len));
+    return (len <= left) && (left <= buf->len);
 }
 
 int _libssh2_eob(struct string_buf *buf)

src/openssl.c

@@ -3280,7 +3280,7 @@ clean_exit:
     if(md_ctx)
         EVP_MD_CTX_free(md_ctx);
 
-    return (rc == 1 ? 0 : -1);
+    return (rc == 1) ? 0 : -1;
 }
 
 int

src/sftp.c

@@ -632,11 +632,11 @@ sftp_packet_requirev(LIBSSH2_SFTP *sftp, int num_valid_responses,
  */
 static int sftp_attrsize(unsigned long flags)
 {
-    return (4 +                                 /* flags(4) */
+    return 4 +                                 /* flags(4) */
            ((flags & LIBSSH2_SFTP_ATTR_SIZE) ? 8 : 0) +
            ((flags & LIBSSH2_SFTP_ATTR_UIDGID) ? 8 : 0) +
            ((flags & LIBSSH2_SFTP_ATTR_PERMISSIONS) ? 4 : 0) +
-            ((flags & LIBSSH2_SFTP_ATTR_ACMODTIME) ? 8 : 0));
+           ((flags & LIBSSH2_SFTP_ATTR_ACMODTIME) ? 8 : 0);
     /* atime + mtime as u32 */
 }
 
@@ -681,7 +681,7 @@ sftp_attr2bin(unsigned char *p, const LIBSSH2_SFTP_ATTRIBUTES * attrs)
         _libssh2_store_u32(&s, (uint32_t)attrs->mtime);
     }
 
-    return (s - p);
+    return s - p;
 }
 
 /* sftp_bin2attr
@@ -758,7 +758,7 @@ sftp_bin2attr(LIBSSH2_SFTP_ATTRIBUTES *attrs, const unsigned char *p,
         }
     }
 
-    return (buf.dataptr - buf.data);
+    return buf.dataptr - buf.data;
 }
 
 /* ************
@@ -1875,7 +1875,7 @@ static ssize_t sftp_readdir(LIBSSH2_SFTP_HANDLE *handle, char *buffer,
                 goto end;
             }
 
-            if(longentry && (longentry_maxlen>1)) {
+            if(longentry && (longentry_maxlen > 1)) {
                 longentry_len = real_longentry_len;
 
                 if(longentry_len >= longentry_maxlen ||

vms/man2help.c

@@ -68,14 +68,14 @@ pf->dnam.naml$l_long_defname = NULL; //inputfile;
 pf->dnam.naml$l_long_defname_size = 0;//strlen( inputfile );
 
 pf->dnam.naml$l_long_filename = inputfile;
-pf->dnam.naml$l_long_filename_size = strlen( inputfile);
+pf->dnam.naml$l_long_filename_size = strlen( inputfile );
 
 pf->dnam.naml$l_long_expand = pf->expanded_filename;
 pf->dnam.naml$l_long_expand_alloc = NAM$C_MAXRSS ;
 
 pf->dnam.naml$b_nop |= NAML$M_SYNCHK | NAML$M_PWD;
 
-status = sys$parse( &pf->dfab, 0,0);
+status = sys$parse( &pf->dfab, 0, 0 );
 if ( !(status&1) ){
     free( pf );
     return( status );
@@ -137,7 +137,7 @@ manPtr addman( manPtr *manroot,char *filename )
 {
 manPtr m,f;
 
-m = calloc( 1, sizeof( man) );
+m = calloc( 1, sizeof( man ) );
 if ( !m ) return( NULL );
 
 m->filename = strdup( filename );
@@ -159,7 +159,7 @@ manPtr m,n;
 for( m = *manroot; m ; m = n ){
      free( m->filename );
      n = m->next;
-     free ( m );
+     free( m );
 }
 *manroot = NULL;
 }
@@ -180,11 +180,11 @@ while(1){
         r = addman( manroot, gevonden );
         if ( r == NULL ) return(2);
     }else{
-        if ( !( status&1)) break;
+        if ( !( status&1 ) ) break;
     }
 }
 
-lib$find_file_end( &ffindex);
+lib$find_file_end( &ffindex );
 if ( status == RMS$_NMF) status = 1;
 
 
@@ -207,14 +207,14 @@ uit = calloc( 1, maxlen + 1 );
 
 if ( in == NULL || uit == NULL ) return(2);
 
-man = fopen( filespec, "r");
+man = fopen( filespec, "r" );
 if ( man == NULL ) return(vaxc$errno);
 
 for( len = 0; !feof( man ) && len < maxlen ; len += thislen ){
     thislen = fread( in + len, 1, maxlen - len, man );
 }
 
-fclose (man);
+fclose(man);
 
 m = in;
 h = uit;
@@ -404,7 +404,7 @@ if ( (return_status&2) ){
 free( m );
 free( h );
 
-return ( 1);
+return ( 1 );
 }
 
 /*--------------------------------------------*/