src/patches/busybox-0.60.5-spider.patch

   1 diff -u busybox-0.60.5.old/usage.h busybox-0.60.5/usage.h
   2 --- busybox-0.60.5.old/usage.h  2002-09-30 21:59:58.000000000 +0100
   3 +++ busybox-0.60.5/usage.h      2004-01-16 00:42:40.000000000 +0000
   4 @@ -1901,12 +1901,13 @@
   5         "     31      46    1365 /etc/passwd\n"
   6
   7  #define wget_trivial_usage \
   8 -       "[-c|--continue] [-q|--quiet] [-O|--output-document file]\n\t[--header 'header: value'] [-P DIR] url"
   9 +       "[-c|--continue] [-q|--quiet] [-s|--spider] [-O|--output-document file]\n\t[--header 'header: value'] [-P DIR] url"
  10  #define wget_full_usage \
  11         "wget retrieves files via HTTP or FTP\n\n" \
  12         "Options:\n" \
  13         "\t-c\tcontinue retrieval of aborted transfers\n" \
  14         "\t-q\tquiet mode - do not print\n" \
  15 +       "\t-s\tspider mode - check file exists\n" \
  16         "\t-P\tSet directory prefix to DIR\n" \
  17         "\t-O\tsave to filename ('-' for stdout)"
  18
  19 diff -u busybox-0.60.5.old/wget.c busybox-0.60.5/wget.c
  20 --- busybox-0.60.5.old/wget.c   2002-04-27 08:40:00.000000000 +0100
  21 +++ busybox-0.60.5/wget.c       2004-01-16 00:47:47.000000000 +0000
  22 @@ -179,6 +179,7 @@
  23         int got_clen = 0;                       /* got content-length: from server      */
  24         FILE *output;                           /* socket to web server                         */
  25         int quiet_flag = FALSE;         /* Be verry, verry quiet...                     */
  26 +       int spider = FALSE;                     /* Just check file exists (-s)          */
  27
  28  #define LONG_HEADER    1
  29         struct option long_options[] = {
  30 @@ -186,16 +187,20 @@
  31                 { "quiet",              0, NULL, 'q' },
  32                 { "output-document",    1, NULL, 'O' },
  33                 { "header",             1, &which_long_opt, LONG_HEADER },
  34 +               { "spider",             0, NULL, 's' },
  35                 { 0,                    0, 0, 0 }
  36         };
  37         /*
  38          * Crack command line.
  39          */
  40 -       while ((n = getopt_long(argc, argv, "cqO:P:", long_options, &option_index)) != EOF) {
  41 +       while ((n = getopt_long(argc, argv, "cqsO:P:", long_options, &option_index)) != EOF) {
  42                 switch (n) {
  43                 case 'c':
  44                         ++do_continue;
  45                         break;
  46 +               case 's':
  47 +                       spider = TRUE;
  48 +                       break;
  49                 case 'P':
  50                         dir_prefix = optarg;
  51                         break;
  52 @@ -353,6 +358,8 @@
  53                                         while (gethdr(buf, sizeof(buf), sfp, &n) != NULL);
  54                                         goto read_response;
  55                                 case 200:
  56 +                                       if (spider)
  57 +                                               exit(EXIT_SUCCESS);
  58                                         if (do_continue && output != stdout)
  59                                                 output = freopen(fname_out, "w", output);
  60                                         do_continue = 0;