[svn] Fix crash when post-file is missing.

src/ChangeLog

@@ -1,3 +1,8 @@
+2003-10-05  Hrvoje Niksic  <hniksic@xemacs.org>
+
+	* utils.c (file_size): Return -1 if fopen() returns NULL.  Prior
+	to this patch, wget --post-file=nosuchfile dumped core.
+
 2003-10-04  Gisle Vanem  <giva@bgnett.no>
 
 	* mswindows.c (run_with_timeout): Use WaitForSingleObject to wait

src/http.c

@@ -1015,7 +1015,7 @@ Accept: %s\r\n\
 #endif
 	    write_error = iwrite (sock, opt.post_data, post_data_size);
 	}
-      else if (opt.post_file_name)
+      else if (opt.post_file_name && post_data_size != 0)
 	{
 #ifdef HAVE_SSL
 	  if (conn->scheme == SCHEME_HTTPS)

src/utils.c

@@ -574,6 +574,8 @@ file_size (const char *filename)
      that way we can also verify whether the file is readable.
      Inspired by the POST patch by Arnaud Wylie.  */
   FILE *fp = fopen (filename, "rb");
+  if (!fp)
+    return -1;
   fseek (fp, 0, SEEK_END);
   size = ftell (fp);
   fclose (fp);