[svn] New option --no-http-keep-alive.

Published in <sxsd7fr1pdf.fsf@florida.arsdigita.de>.

src/ChangeLog

@@ -1,3 +1,8 @@
+2000-11-20  Hrvoje Niksic  <hniksic@arsdigita.com>
+
+	* http.c (gethttp): Don't use the return value of sprintf().
+	(gethttp): Inhibit keep-alive if opt.http_keep_alive is 0.
+
 2000-11-20  Hrvoje Niksic  <hniksic@arsdigita.com>
 
 	* recur.c (recursive_retrieve): Print the "so we don't load"

src/http.c

@@ -444,9 +444,8 @@ gethttp (struct urlinfo *u, struct http_stat *hs, int *dt)
   char *authenticate_h;
   char *proxyauth;
   char *all_headers;
-  char *host_port;
+  char *port_maybe;
   char *request_keep_alive;
-  int host_port_len;
   int sock, hcount, num_written, all_length, remport, statcode;
   long contlen, contrange;
   struct urlinfo *ou;
@@ -474,7 +473,7 @@ gethttp (struct urlinfo *u, struct http_stat *hs, int *dt)
   authenticate_h = 0;
   auth_tried_already = 0;
 
-  inhibit_keep_alive = (u->proxy != NULL);
+  inhibit_keep_alive = (!opt.http_keep_alive || u->proxy != NULL);
 
  again:
   /* We need to come back here when the initial attempt to retrieve
@@ -623,15 +622,12 @@ gethttp (struct urlinfo *u, struct http_stat *hs, int *dt)
   remhost = ou->host;
   remport = ou->port;
 
-  if (remport == 80)
+  /* String of the form :PORT.  Used only for non-standard ports. */
+  port_maybe = NULL;
+  if (remport != 80)
     {
-      host_port = NULL;
-      host_port_len = 0;
-    }
-  else
-    {
-      host_port = (char *)alloca (numdigit (remport) + 2);
-      host_port_len = sprintf (host_port, ":%d", remport);
+      port_maybe = (char *)alloca (numdigit (remport) + 2);
+      sprintf (port_maybe, ":%d", remport);
     }
 
   if (!inhibit_keep_alive)
@@ -642,7 +638,8 @@ gethttp (struct urlinfo *u, struct http_stat *hs, int *dt)
   /* Allocate the memory for the request.  */
   request = (char *)alloca (strlen (command) + strlen (path)
 			    + strlen (useragent)
-			    + strlen (remhost) + host_port_len
+			    + strlen (remhost)
+			    + (port_maybe ? strlen (port_maybe) : 0)
 			    + strlen (HTTP_ACCEPT)
 			    + (request_keep_alive
 			       ? strlen (request_keep_alive) : 0)
@@ -661,7 +658,7 @@ Host: %s%s\r\n\
 Accept: %s\r\n\
 %s%s%s%s%s%s%s\r\n",
 	   command, path, useragent, remhost,
-	   host_port ? host_port : "",
+	   port_maybe ? port_maybe : "",
 	   HTTP_ACCEPT,
 	   request_keep_alive ? request_keep_alive : "",
 	   referer ? referer : "",

src/init.c

@@ -122,6 +122,7 @@ static struct {
   { "header",		NULL,			cmd_spec_header },
   { "htmlextension",	&opt.html_extension,	cmd_boolean },
   { "htmlify",		NULL,			cmd_spec_htmlify },
+  { "httpkeepalive",	&opt.http_keep_alive,	cmd_boolean },
   { "httppasswd",	&opt.http_passwd,	cmd_string },
   { "httpproxy",	&opt.http_proxy,	cmd_string },
   { "httpuser",		&opt.http_user,		cmd_string },
@@ -214,6 +215,7 @@ defaults (void)
   opt.netrc = 1;
   opt.ftp_glob = 1;
   opt.htmlify = 1;
+  opt.http_keep_alive = 1;
   opt.use_proxy = 1;
   tmp = getenv ("no_proxy");
   if (tmp)

src/main.c

@@ -247,6 +247,7 @@ main (int argc, char *const *argv)
     { "no-directories", no_argument, NULL, 19 },
     { "no-host-directories", no_argument, NULL, 20 },
     { "no-host-lookup", no_argument, NULL, 22 },
+    { "no-http-keep-alive", no_argument, NULL, 28 },
     { "no-parent", no_argument, NULL, 5 },
     { "non-verbose", no_argument, NULL, 18 },
     { "passive-ftp", no_argument, NULL, 11 },
@@ -385,6 +386,9 @@ hpVqvdkKsxmNWrHSLcFbEY:G:g:T:U:O:l:n:i:o:a:t:D:A:R:P:B:e:Q:X:I:w:",
 	case 27:
 	  setval ("bindaddress", optarg);
  	  break;
+	case 28:
+	  setval ("httpkeepalive", "off");
+	  break;
 	case 'b':
 	  setval ("background", "on");
 	  break;
@@ -579,6 +583,9 @@ GNU General Public License for more details.\n"));
 		case 'p':
 		  setval ("noparent", "on");
 		  break;
+		case 'k':
+		  setval ("httpkeepalive", "off");
+		  break;
 		default:
 		  printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
 		  print_usage ();

src/options.h

@@ -86,6 +86,7 @@ struct options
   char *http_user;		/* HTTP user. */
   char *http_passwd;		/* HTTP password. */
   char *user_header;		/* User-defined header(s). */
+  int http_keep_alive;		/* whether we use keep-alive */
 
   int use_proxy;		/* Do we use proxy? */
   int proxy_cache;		/* Do we load from proxy cache? */