src/cmdline.c

   1 /*
   2   File autogenerated by gengetopt version 2.22.4
   3   generated with the following command:
   4   /usr/bin/gengetopt -C --unamed-opts=URL --output-dir ../src --no-version
   5
   6   The developers of gengetopt consider the fixed text that goes in all
   7   gengetopt output files to be in the public domain:
   8   we make no copyright claims on it.
   9 */
  10
  11 /* If we use autoconf.  */
  12 #ifdef HAVE_CONFIG_H
  13 #include "config.h"
  14 #endif
  15
  16 #include <stdio.h>
  17 #include <stdlib.h>
  18 #include <string.h>
  19
  20 #ifndef FIX_UNUSED
  21 #define FIX_UNUSED(X) (void) (X)        /* avoid warnings for unused params */
  22 #endif
  23
  24 #include <getopt.h>
  25
  26 #include "cmdline.h"
  27
  28 const char *gengetopt_args_info_purpose = "";
  29
  30 const char *gengetopt_args_info_usage = "Usage: quvi [OPTIONS]... [URL]...";
  31
  32 const char *gengetopt_args_info_description = "";
  33
  34 const char *gengetopt_args_info_help[] =
  35 {
  36   "  -h, --help                 Print help and exit",
  37   "      --version              Print version and exit",
  38   "      --license              Print license and exit",
  39   "      --support              Print supported websites and exit",
  40   "      --xml                  Print details in XML",
  41   "      --old                  Print details in original format",
  42   "  -q, --quiet                Turn off output to stderr",
  43   "      --verbose-libcurl      Turn on libcurl verbose mode",
  44   "      --exec=arg             Invoke arg after parsing",
  45   "  -s, --no-shortened         Do not decompress shortened URLs",
  46   "  -n, --no-verify            Do not verify video link",
  47   "      --category-http        Category HTTP website scripts",
  48   "      --category-mms         Category MMS website scripts",
  49   "      --category-rtsp        Category RTSP website scripts",
  50   "      --category-rtmp        Category RTMP website scripts",
  51   "      --category-all         All website script categories",
  52   "      --page-title=arg       Check that parsed page title matches arg",
  53   "      --video-id=arg         Check that parsed video ID matches arg",
  54   "      --file-length=arg      Check that parsed video length matches arg",
  55   "      --file-suffix=arg      Check that parsed video suffix matches arg",
  56   "      --test-all             Run all built-in tests of category QUVIPROTO_HTTP",
  57   "      --dump                 Dump video details with --test-all",
  58   "  -t, --test=arg             Pattern to match to built-in test URLs",
  59   "  -f, --format=arg           Video format to query  (default=`default')",
  60   "      --agent=arg            Identify as arg  (default=`Mozilla/5.0')",
  61   "      --proxy=arg            Use proxy for HTTP connections",
  62   "      --no-proxy             Disable use of HTTP proxy",
  63   "      --connect-timeout=arg  Seconds connecting allowed to take  (default=`30')",
  64   "\nExamples:\n  quvi YOUTUBE_URL -f webm_720p\n  quvi URL --exec \"/usr/bin/vlc %u\"\n  quvi --support\n  quvi --support URL",
  65   0
  66 };
  67
  68 typedef enum { ARG_NO, ARG_STRING, ARG_INT, ARG_DOUBLE
  69              } cmdline_parser_arg_type;
  70
  71 static
  72 void clear_given(struct gengetopt_args_info *args_info);
  73 static
  74 void clear_args(struct gengetopt_args_info *args_info);
  75
  76 static int
  77 cmdline_parser_internal(int argc, char **argv,
  78                         struct gengetopt_args_info *args_info,
  79                         struct cmdline_parser_params *params,
  80                         const char *additional_error);
  81
  82 static int
  83 cmdline_parser_required2(struct gengetopt_args_info *args_info,
  84                          const char *prog_name, const char *additional_error);
  85 struct line_list
  86 {
  87   char *string_arg;
  88   struct line_list *next;
  89 };
  90
  91 static struct line_list *cmd_line_list = 0;
  92 static struct line_list *cmd_line_list_tmp = 0;
  93
  94 static void free_cmd_list(void)
  95 {
  96   /* free the list of a previous call */
  97   if (cmd_line_list)
  98     {
  99       while (cmd_line_list)
 100         {
 101           cmd_line_list_tmp = cmd_line_list;
 102           cmd_line_list = cmd_line_list->next;
 103           free(cmd_line_list_tmp->string_arg);
 104           free(cmd_line_list_tmp);
 105         }
 106     }
 107 }
 108
 109 static char *gengetopt_strdup(const char *s);
 110
 111 static
 112 void clear_given(struct gengetopt_args_info *args_info)
 113 {
 114   args_info->help_given = 0;
 115   args_info->version_given = 0;
 116   args_info->license_given = 0;
 117   args_info->support_given = 0;
 118   args_info->xml_given = 0;
 119   args_info->old_given = 0;
 120   args_info->quiet_given = 0;
 121   args_info->verbose_libcurl_given = 0;
 122   args_info->exec_given = 0;
 123   args_info->no_shortened_given = 0;
 124   args_info->no_verify_given = 0;
 125   args_info->category_http_given = 0;
 126   args_info->category_mms_given = 0;
 127   args_info->category_rtsp_given = 0;
 128   args_info->category_rtmp_given = 0;
 129   args_info->category_all_given = 0;
 130   args_info->page_title_given = 0;
 131   args_info->video_id_given = 0;
 132   args_info->file_length_given = 0;
 133   args_info->file_suffix_given = 0;
 134   args_info->test_all_given = 0;
 135   args_info->dump_given = 0;
 136   args_info->test_given = 0;
 137   args_info->format_given = 0;
 138   args_info->agent_given = 0;
 139   args_info->proxy_given = 0;
 140   args_info->no_proxy_given = 0;
 141   args_info->connect_timeout_given = 0;
 142 }
 143
 144 static
 145 void clear_args(struct gengetopt_args_info *args_info)
 146 {
 147   FIX_UNUSED(args_info);
 148   args_info->exec_arg = NULL;
 149   args_info->exec_orig = NULL;
 150   args_info->page_title_arg = NULL;
 151   args_info->page_title_orig = NULL;
 152   args_info->video_id_arg = NULL;
 153   args_info->video_id_orig = NULL;
 154   args_info->file_length_orig = NULL;
 155   args_info->file_suffix_arg = NULL;
 156   args_info->file_suffix_orig = NULL;
 157   args_info->test_arg = NULL;
 158   args_info->test_orig = NULL;
 159   args_info->format_arg = gengetopt_strdup("default");
 160   args_info->format_orig = NULL;
 161   args_info->agent_arg = gengetopt_strdup("Mozilla/5.0");
 162   args_info->agent_orig = NULL;
 163   args_info->proxy_arg = NULL;
 164   args_info->proxy_orig = NULL;
 165   args_info->connect_timeout_arg = 30;
 166   args_info->connect_timeout_orig = NULL;
 167
 168 }
 169
 170 static
 171 void init_args_info(struct gengetopt_args_info *args_info)
 172 {
 173
 174   args_info->help_help = gengetopt_args_info_help[0];
 175   args_info->version_help = gengetopt_args_info_help[1];
 176   args_info->license_help = gengetopt_args_info_help[2];
 177   args_info->support_help = gengetopt_args_info_help[3];
 178   args_info->xml_help = gengetopt_args_info_help[4];
 179   args_info->old_help = gengetopt_args_info_help[5];
 180   args_info->quiet_help = gengetopt_args_info_help[6];
 181   args_info->verbose_libcurl_help = gengetopt_args_info_help[7];
 182   args_info->exec_help = gengetopt_args_info_help[8];
 183   args_info->no_shortened_help = gengetopt_args_info_help[9];
 184   args_info->no_verify_help = gengetopt_args_info_help[10];
 185   args_info->category_http_help = gengetopt_args_info_help[11];
 186   args_info->category_mms_help = gengetopt_args_info_help[12];
 187   args_info->category_rtsp_help = gengetopt_args_info_help[13];
 188   args_info->category_rtmp_help = gengetopt_args_info_help[14];
 189   args_info->category_all_help = gengetopt_args_info_help[15];
 190   args_info->page_title_help = gengetopt_args_info_help[16];
 191   args_info->video_id_help = gengetopt_args_info_help[17];
 192   args_info->file_length_help = gengetopt_args_info_help[18];
 193   args_info->file_suffix_help = gengetopt_args_info_help[19];
 194   args_info->test_all_help = gengetopt_args_info_help[20];
 195   args_info->dump_help = gengetopt_args_info_help[21];
 196   args_info->test_help = gengetopt_args_info_help[22];
 197   args_info->format_help = gengetopt_args_info_help[23];
 198   args_info->agent_help = gengetopt_args_info_help[24];
 199   args_info->proxy_help = gengetopt_args_info_help[25];
 200   args_info->no_proxy_help = gengetopt_args_info_help[26];
 201   args_info->connect_timeout_help = gengetopt_args_info_help[27];
 202
 203 }
 204
 205 void cmdline_parser_print_version(void)
 206 {
 207   printf("%s %s\n",
 208          (strlen(CMDLINE_PARSER_PACKAGE_NAME) ? CMDLINE_PARSER_PACKAGE_NAME :
 209           CMDLINE_PARSER_PACKAGE), CMDLINE_PARSER_VERSION);
 210 }
 211
 212 static void print_help_common(void)
 213 {
 214   cmdline_parser_print_version();
 215
 216   if (strlen(gengetopt_args_info_purpose) > 0)
 217     printf("\n%s\n", gengetopt_args_info_purpose);
 218
 219   if (strlen(gengetopt_args_info_usage) > 0)
 220     printf("\n%s\n", gengetopt_args_info_usage);
 221
 222   printf("\n");
 223
 224   if (strlen(gengetopt_args_info_description) > 0)
 225     printf("%s\n\n", gengetopt_args_info_description);
 226 }
 227
 228 void cmdline_parser_print_help(void)
 229 {
 230   int i = 0;
 231   print_help_common();
 232   while (gengetopt_args_info_help[i])
 233     printf("%s\n", gengetopt_args_info_help[i++]);
 234 }
 235
 236 void cmdline_parser_init(struct gengetopt_args_info *args_info)
 237 {
 238   clear_given(args_info);
 239   clear_args(args_info);
 240   init_args_info(args_info);
 241
 242   args_info->inputs = 0;
 243   args_info->inputs_num = 0;
 244 }
 245
 246 void cmdline_parser_params_init(struct cmdline_parser_params *params)
 247 {
 248   if (params)
 249     {
 250       params->override = 0;
 251       params->initialize = 1;
 252       params->check_required = 1;
 253       params->check_ambiguity = 0;
 254       params->print_errors = 1;
 255     }
 256 }
 257
 258 struct cmdline_parser_params *cmdline_parser_params_create(void)
 259 {
 260   struct cmdline_parser_params *params = (struct cmdline_parser_params *)
 261                                          malloc(sizeof(struct cmdline_parser_params));
 262   cmdline_parser_params_init(params);
 263   return params;
 264 }
 265
 266 static void free_string_field(char **s)
 267 {
 268   if (*s)
 269     {
 270       free(*s);
 271       *s = 0;
 272     }
 273 }
 274
 275 static void cmdline_parser_release(struct gengetopt_args_info *args_info)
 276 {
 277   unsigned int i;
 278   free_string_field(&(args_info->exec_arg));
 279   free_string_field(&(args_info->exec_orig));
 280   free_string_field(&(args_info->page_title_arg));
 281   free_string_field(&(args_info->page_title_orig));
 282   free_string_field(&(args_info->video_id_arg));
 283   free_string_field(&(args_info->video_id_orig));
 284   free_string_field(&(args_info->file_length_orig));
 285   free_string_field(&(args_info->file_suffix_arg));
 286   free_string_field(&(args_info->file_suffix_orig));
 287   free_string_field(&(args_info->test_arg));
 288   free_string_field(&(args_info->test_orig));
 289   free_string_field(&(args_info->format_arg));
 290   free_string_field(&(args_info->format_orig));
 291   free_string_field(&(args_info->agent_arg));
 292   free_string_field(&(args_info->agent_orig));
 293   free_string_field(&(args_info->proxy_arg));
 294   free_string_field(&(args_info->proxy_orig));
 295   free_string_field(&(args_info->connect_timeout_orig));
 296
 297   for (i = 0; i < args_info->inputs_num; ++i)
 298     free(args_info->inputs[i]);
 299
 300   if (args_info->inputs_num)
 301     free(args_info->inputs);
 302
 303   clear_given(args_info);
 304 }
 305
 306 static void
 307 write_into_file(FILE * outfile, const char *opt, const char *arg,
 308                 const char *values[])
 309 {
 310   FIX_UNUSED(values);
 311   if (arg)
 312     {
 313       fprintf(outfile, "%s=\"%s\"\n", opt, arg);
 314     }
 315   else
 316     {
 317       fprintf(outfile, "%s\n", opt);
 318     }
 319 }
 320
 321 int cmdline_parser_dump(FILE * outfile, struct gengetopt_args_info *args_info)
 322 {
 323   int i = 0;
 324
 325   if (!outfile)
 326     {
 327       fprintf(stderr, "%s: cannot dump options to stream\n",
 328               CMDLINE_PARSER_PACKAGE);
 329       return EXIT_FAILURE;
 330     }
 331
 332   if (args_info->help_given)
 333     write_into_file(outfile, "help", 0, 0);
 334   if (args_info->version_given)
 335     write_into_file(outfile, "version", 0, 0);
 336   if (args_info->license_given)
 337     write_into_file(outfile, "license", 0, 0);
 338   if (args_info->support_given)
 339     write_into_file(outfile, "support", 0, 0);
 340   if (args_info->xml_given)
 341     write_into_file(outfile, "xml", 0, 0);
 342   if (args_info->old_given)
 343     write_into_file(outfile, "old", 0, 0);
 344   if (args_info->quiet_given)
 345     write_into_file(outfile, "quiet", 0, 0);
 346   if (args_info->verbose_libcurl_given)
 347     write_into_file(outfile, "verbose-libcurl", 0, 0);
 348   if (args_info->exec_given)
 349     write_into_file(outfile, "exec", args_info->exec_orig, 0);
 350   if (args_info->no_shortened_given)
 351     write_into_file(outfile, "no-shortened", 0, 0);
 352   if (args_info->no_verify_given)
 353     write_into_file(outfile, "no-verify", 0, 0);
 354   if (args_info->category_http_given)
 355     write_into_file(outfile, "category-http", 0, 0);
 356   if (args_info->category_mms_given)
 357     write_into_file(outfile, "category-mms", 0, 0);
 358   if (args_info->category_rtsp_given)
 359     write_into_file(outfile, "category-rtsp", 0, 0);
 360   if (args_info->category_rtmp_given)
 361     write_into_file(outfile, "category-rtmp", 0, 0);
 362   if (args_info->category_all_given)
 363     write_into_file(outfile, "category-all", 0, 0);
 364   if (args_info->page_title_given)
 365     write_into_file(outfile, "page-title", args_info->page_title_orig, 0);
 366   if (args_info->video_id_given)
 367     write_into_file(outfile, "video-id", args_info->video_id_orig, 0);
 368   if (args_info->file_length_given)
 369     write_into_file(outfile, "file-length", args_info->file_length_orig, 0);
 370   if (args_info->file_suffix_given)
 371     write_into_file(outfile, "file-suffix", args_info->file_suffix_orig, 0);
 372   if (args_info->test_all_given)
 373     write_into_file(outfile, "test-all", 0, 0);
 374   if (args_info->dump_given)
 375     write_into_file(outfile, "dump", 0, 0);
 376   if (args_info->test_given)
 377     write_into_file(outfile, "test", args_info->test_orig, 0);
 378   if (args_info->format_given)
 379     write_into_file(outfile, "format", args_info->format_orig, 0);
 380   if (args_info->agent_given)
 381     write_into_file(outfile, "agent", args_info->agent_orig, 0);
 382   if (args_info->proxy_given)
 383     write_into_file(outfile, "proxy", args_info->proxy_orig, 0);
 384   if (args_info->no_proxy_given)
 385     write_into_file(outfile, "no-proxy", 0, 0);
 386   if (args_info->connect_timeout_given)
 387     write_into_file(outfile, "connect-timeout", args_info->connect_timeout_orig,
 388                     0);
 389
 390   i = EXIT_SUCCESS;
 391   return i;
 392 }
 393
 394 int
 395 cmdline_parser_file_save(const char *filename,
 396                          struct gengetopt_args_info *args_info)
 397 {
 398   FILE *outfile;
 399   int i = 0;
 400
 401   outfile = fopen(filename, "w");
 402
 403   if (!outfile)
 404     {
 405       fprintf(stderr, "%s: cannot open file for writing: %s\n",
 406               CMDLINE_PARSER_PACKAGE, filename);
 407       return EXIT_FAILURE;
 408     }
 409
 410   i = cmdline_parser_dump(outfile, args_info);
 411   fclose(outfile);
 412
 413   return i;
 414 }
 415
 416 void cmdline_parser_free(struct gengetopt_args_info *args_info)
 417 {
 418   cmdline_parser_release(args_info);
 419 }
 420
 421 /** @brief replacement of strdup, which is not standard */
 422 char *gengetopt_strdup(const char *s)
 423 {
 424   char *result = 0;
 425   if (!s)
 426     return result;
 427
 428   result = (char *)malloc(strlen(s) + 1);
 429   if (result == (char *)0)
 430     return (char *)0;
 431   strcpy(result, s);
 432   return result;
 433 }
 434
 435 int cmdline_parser(int argc, char **argv, struct gengetopt_args_info *args_info)
 436 {
 437   return cmdline_parser2(argc, argv, args_info, 0, 1, 1);
 438 }
 439
 440 int
 441 cmdline_parser_ext(int argc, char **argv, struct gengetopt_args_info *args_info,
 442                    struct cmdline_parser_params *params)
 443 {
 444   int result;
 445   result = cmdline_parser_internal(argc, argv, args_info, params, 0);
 446
 447   if (result == EXIT_FAILURE)
 448     {
 449       cmdline_parser_free(args_info);
 450       exit(EXIT_FAILURE);
 451     }
 452
 453   return result;
 454 }
 455
 456 int
 457 cmdline_parser2(int argc, char **argv, struct gengetopt_args_info *args_info,
 458                 int override, int initialize, int check_required)
 459 {
 460   int result;
 461   struct cmdline_parser_params params;
 462
 463   params.override = override;
 464   params.initialize = initialize;
 465   params.check_required = check_required;
 466   params.check_ambiguity = 0;
 467   params.print_errors = 1;
 468
 469   result = cmdline_parser_internal(argc, argv, args_info, &params, 0);
 470
 471   if (result == EXIT_FAILURE)
 472     {
 473       cmdline_parser_free(args_info);
 474       exit(EXIT_FAILURE);
 475     }
 476
 477   return result;
 478 }
 479
 480 int
 481 cmdline_parser_required(struct gengetopt_args_info *args_info,
 482                         const char *prog_name)
 483 {
 484   int result = EXIT_SUCCESS;
 485
 486   if (cmdline_parser_required2(args_info, prog_name, 0) > 0)
 487     result = EXIT_FAILURE;
 488
 489   if (result == EXIT_FAILURE)
 490     {
 491       cmdline_parser_free(args_info);
 492       exit(EXIT_FAILURE);
 493     }
 494
 495   return result;
 496 }
 497
 498 int
 499 cmdline_parser_required2(struct gengetopt_args_info *args_info,
 500                          const char *prog_name, const char *additional_error)
 501 {
 502   int error = 0;
 503   FIX_UNUSED(additional_error);
 504
 505   /* checks for required options */
 506
 507   /* checks for dependences among options */
 508   if (args_info->dump_given && !args_info->test_all_given)
 509     {
 510       fprintf(stderr, "%s: '--dump' option depends on option 'test-all'%s\n",
 511               prog_name, (additional_error ? additional_error : ""));
 512       error = 1;
 513     }
 514
 515   return error;
 516 }
 517
 518 static char *package_name = 0;
 519
 520 /**
 521  * @brief updates an option
 522  * @param field the generic pointer to the field to update
 523  * @param orig_field the pointer to the orig field
 524  * @param field_given the pointer to the number of occurrence of this option
 525  * @param prev_given the pointer to the number of occurrence already seen
 526  * @param value the argument for this option (if null no arg was specified)
 527  * @param possible_values the possible values for this option (if specified)
 528  * @param default_value the default value (in case the option only accepts fixed values)
 529  * @param arg_type the type of this option
 530  * @param check_ambiguity @see cmdline_parser_params.check_ambiguity
 531  * @param override @see cmdline_parser_params.override
 532  * @param no_free whether to free a possible previous value
 533  * @param multiple_option whether this is a multiple option
 534  * @param long_opt the corresponding long option
 535  * @param short_opt the corresponding short option (or '-' if none)
 536  * @param additional_error possible further error specification
 537  */
 538 static
 539 int update_arg(void *field, char **orig_field,
 540                unsigned int *field_given, unsigned int *prev_given,
 541                char *value, const char *possible_values[],
 542                const char *default_value,
 543                cmdline_parser_arg_type arg_type,
 544                int check_ambiguity, int override,
 545                int no_free, int multiple_option,
 546                const char *long_opt, char short_opt,
 547                const char *additional_error)
 548 {
 549   char *stop_char = 0;
 550   const char *val = value;
 551   int found;
 552   char **string_field;
 553   FIX_UNUSED(field);
 554
 555   stop_char = 0;
 556   found = 0;
 557
 558   if (!multiple_option && prev_given
 559       && (*prev_given || (check_ambiguity && *field_given)))
 560     {
 561       if (short_opt != '-')
 562         fprintf(stderr, "%s: `--%s' (`-%c') option given more than once%s\n",
 563                 package_name, long_opt, short_opt,
 564                 (additional_error ? additional_error : ""));
 565       else
 566         fprintf(stderr, "%s: `--%s' option given more than once%s\n",
 567                 package_name, long_opt,
 568                 (additional_error ? additional_error : ""));
 569       return 1;                   /* failure */
 570     }
 571
 572   FIX_UNUSED(default_value);
 573
 574   if (field_given && *field_given && !override)
 575     return 0;
 576   if (prev_given)
 577     (*prev_given)++;
 578   if (field_given)
 579     (*field_given)++;
 580   if (possible_values)
 581     val = possible_values[found];
 582
 583   switch (arg_type)
 584     {
 585     case ARG_INT:
 586       if (val)
 587         *((int *)field) = strtol(val, &stop_char, 0);
 588       break;
 589     case ARG_DOUBLE:
 590       if (val)
 591         *((double *)field) = strtod(val, &stop_char);
 592       break;
 593     case ARG_STRING:
 594       if (val)
 595         {
 596           string_field = (char **)field;
 597           if (!no_free && *string_field)
 598             free(*string_field);    /* free previous string */
 599           *string_field = gengetopt_strdup(val);
 600         }
 601       break;
 602     default:
 603       break;
 604     };
 605
 606   /* check numeric conversion */
 607   switch (arg_type)
 608     {
 609     case ARG_INT:
 610     case ARG_DOUBLE:
 611       if (val && !(stop_char && *stop_char == '\0'))
 612         {
 613           fprintf(stderr, "%s: invalid numeric value: %s\n", package_name, val);
 614           return 1;                 /* failure */
 615         }
 616       break;
 617     default:
 618       ;
 619     };
 620
 621   /* store the original value */
 622   switch (arg_type)
 623     {
 624     case ARG_NO:
 625       break;
 626     default:
 627       if (value && orig_field)
 628         {
 629           if (no_free)
 630             {
 631               *orig_field = value;
 632             }
 633           else
 634             {
 635               if (*orig_field)
 636                 free(*orig_field);    /* free previous string */
 637               *orig_field = gengetopt_strdup(value);
 638             }
 639         }
 640     };
 641
 642   return 0;                     /* OK */
 643 }
 644
 645 int
 646 cmdline_parser_internal(int argc, char **argv,
 647                         struct gengetopt_args_info *args_info,
 648                         struct cmdline_parser_params *params,
 649                         const char *additional_error)
 650 {
 651   int c;                        /* Character of the parsed option.  */
 652
 653   int error = 0;
 654   struct gengetopt_args_info local_args_info;
 655
 656   int override;
 657   int initialize;
 658   int check_required;
 659   int check_ambiguity;
 660
 661   package_name = argv[0];
 662
 663   override = params->override;
 664   initialize = params->initialize;
 665   check_required = params->check_required;
 666   check_ambiguity = params->check_ambiguity;
 667
 668   if (initialize)
 669     cmdline_parser_init(args_info);
 670
 671   cmdline_parser_init(&local_args_info);
 672
 673   optarg = 0;
 674   optind = 0;
 675   opterr = params->print_errors;
 676   optopt = '?';
 677
 678   while (1)
 679     {
 680       int option_index = 0;
 681
 682       static struct option long_options[] =
 683       {
 684         {"help", 0, NULL, 'h'},
 685         {"version", 0, NULL, 0},
 686         {"license", 0, NULL, 0},
 687         {"support", 0, NULL, 0},
 688         {"xml", 0, NULL, 0},
 689         {"old", 0, NULL, 0},
 690         {"quiet", 0, NULL, 'q'},
 691         {"verbose-libcurl", 0, NULL, 0},
 692         {"exec", 1, NULL, 0},
 693         {"no-shortened", 0, NULL, 's'},
 694         {"no-verify", 0, NULL, 'n'},
 695         {"category-http", 0, NULL, 0},
 696         {"category-mms", 0, NULL, 0},
 697         {"category-rtsp", 0, NULL, 0},
 698         {"category-rtmp", 0, NULL, 0},
 699         {"category-all", 0, NULL, 0},
 700         {"page-title", 1, NULL, 0},
 701         {"video-id", 1, NULL, 0},
 702         {"file-length", 1, NULL, 0},
 703         {"file-suffix", 1, NULL, 0},
 704         {"test-all", 0, NULL, 0},
 705         {"dump", 0, NULL, 0},
 706         {"test", 1, NULL, 't'},
 707         {"format", 1, NULL, 'f'},
 708         {"agent", 1, NULL, 0},
 709         {"proxy", 1, NULL, 0},
 710         {"no-proxy", 0, NULL, 0},
 711         {"connect-timeout", 1, NULL, 0},
 712         {0, 0, 0, 0}
 713       };
 714
 715       c = getopt_long(argc, argv, "hqsnt:f:", long_options, &option_index);
 716
 717       if (c == -1)
 718         break;                    /* Exit from `while (1)' loop.  */
 719
 720       switch (c)
 721         {
 722         case 'h':                  /* Print help and exit.  */
 723           cmdline_parser_print_help();
 724           cmdline_parser_free(&local_args_info);
 725           exit(EXIT_SUCCESS);
 726
 727         case 'q':                  /* Turn off output to stderr.  */
 728
 729           if (update_arg(0,
 730                          0, &(args_info->quiet_given),
 731                          &(local_args_info.quiet_given), optarg, 0, 0, ARG_NO,
 732                          check_ambiguity, override, 0, 0,
 733                          "quiet", 'q', additional_error))
 734             goto failure;
 735
 736           break;
 737         case 's':                  /* Do not decompress shortened URLs.  */
 738
 739           if (update_arg(0,
 740                          0, &(args_info->no_shortened_given),
 741                          &(local_args_info.no_shortened_given), optarg, 0, 0,
 742                          ARG_NO, check_ambiguity, override, 0, 0, "no-shortened",
 743                          's', additional_error))
 744             goto failure;
 745
 746           break;
 747         case 'n':                  /* Do not verify video link.  */
 748
 749           if (update_arg(0,
 750                          0, &(args_info->no_verify_given),
 751                          &(local_args_info.no_verify_given), optarg, 0, 0, ARG_NO,
 752                          check_ambiguity, override, 0, 0,
 753                          "no-verify", 'n', additional_error))
 754             goto failure;
 755
 756           break;
 757         case 't':                  /* Pattern to match to built-in test URLs.  */
 758
 759           if (update_arg((void *)&(args_info->test_arg),
 760                          &(args_info->test_orig), &(args_info->test_given),
 761                          &(local_args_info.test_given), optarg, 0, 0, ARG_STRING,
 762                          check_ambiguity, override, 0, 0,
 763                          "test", 't', additional_error))
 764             goto failure;
 765
 766           break;
 767         case 'f':                  /* Video format to query.  */
 768
 769           if (update_arg((void *)&(args_info->format_arg),
 770                          &(args_info->format_orig), &(args_info->format_given),
 771                          &(local_args_info.format_given), optarg, 0, "default",
 772                          ARG_STRING, check_ambiguity, override, 0, 0, "format", 'f',
 773                          additional_error))
 774             goto failure;
 775
 776           break;
 777
 778         case 0:                    /* Long option with no short option */
 779           /* Print version and exit.  */
 780           if (strcmp(long_options[option_index].name, "version") == 0)
 781             {
 782
 783               if (update_arg(0,
 784                              0, &(args_info->version_given),
 785                              &(local_args_info.version_given), optarg, 0, 0, ARG_NO,
 786                              check_ambiguity, override, 0, 0,
 787                              "version", '-', additional_error))
 788                 goto failure;
 789
 790             }
 791           /* Print license and exit.  */
 792           else if (strcmp(long_options[option_index].name, "license") == 0)
 793             {
 794
 795               if (update_arg(0,
 796                              0, &(args_info->license_given),
 797                              &(local_args_info.license_given), optarg, 0, 0, ARG_NO,
 798                              check_ambiguity, override, 0, 0,
 799                              "license", '-', additional_error))
 800                 goto failure;
 801
 802             }
 803           /* Print supported websites and exit.  */
 804           else if (strcmp(long_options[option_index].name, "support") == 0)
 805             {
 806
 807               if (update_arg(0,
 808                              0, &(args_info->support_given),
 809                              &(local_args_info.support_given), optarg, 0, 0, ARG_NO,
 810                              check_ambiguity, override, 0, 0,
 811                              "support", '-', additional_error))
 812                 goto failure;
 813
 814             }
 815           /* Print details in XML.  */
 816           else if (strcmp(long_options[option_index].name, "xml") == 0)
 817             {
 818
 819               if (update_arg(0,
 820                              0, &(args_info->xml_given),
 821                              &(local_args_info.xml_given), optarg, 0, 0, ARG_NO,
 822                              check_ambiguity, override, 0, 0,
 823                              "xml", '-', additional_error))
 824                 goto failure;
 825
 826             }
 827           /* Print details in original format.  */
 828           else if (strcmp(long_options[option_index].name, "old") == 0)
 829             {
 830
 831               if (update_arg(0,
 832                              0, &(args_info->old_given),
 833                              &(local_args_info.old_given), optarg, 0, 0, ARG_NO,
 834                              check_ambiguity, override, 0, 0,
 835                              "old", '-', additional_error))
 836                 goto failure;
 837
 838             }
 839           /* Turn on libcurl verbose mode.  */
 840           else if (strcmp(long_options[option_index].name, "verbose-libcurl") == 0)
 841             {
 842
 843               if (update_arg(0,
 844                              0, &(args_info->verbose_libcurl_given),
 845                              &(local_args_info.verbose_libcurl_given), optarg, 0, 0,
 846                              ARG_NO, check_ambiguity, override, 0, 0,
 847                              "verbose-libcurl", '-', additional_error))
 848                 goto failure;
 849
 850             }
 851           /* Invoke arg after parsing.  */
 852           else if (strcmp(long_options[option_index].name, "exec") == 0)
 853             {
 854
 855               if (update_arg((void *)&(args_info->exec_arg),
 856                              &(args_info->exec_orig), &(args_info->exec_given),
 857                              &(local_args_info.exec_given), optarg, 0, 0, ARG_STRING,
 858                              check_ambiguity, override, 0, 0,
 859                              "exec", '-', additional_error))
 860                 goto failure;
 861
 862             }
 863           /* Category HTTP website scripts.  */
 864           else if (strcmp(long_options[option_index].name, "category-http") == 0)
 865             {
 866
 867               if (update_arg(0,
 868                              0, &(args_info->category_http_given),
 869                              &(local_args_info.category_http_given), optarg, 0, 0,
 870                              ARG_NO, check_ambiguity, override, 0, 0, "category-http",
 871                              '-', additional_error))
 872                 goto failure;
 873
 874             }
 875           /* Category MMS website scripts.  */
 876           else if (strcmp(long_options[option_index].name, "category-mms") == 0)
 877             {
 878
 879               if (update_arg(0,
 880                              0, &(args_info->category_mms_given),
 881                              &(local_args_info.category_mms_given), optarg, 0, 0,
 882                              ARG_NO, check_ambiguity, override, 0, 0, "category-mms",
 883                              '-', additional_error))
 884                 goto failure;
 885
 886             }
 887           /* Category RTSP website scripts.  */
 888           else if (strcmp(long_options[option_index].name, "category-rtsp") == 0)
 889             {
 890
 891               if (update_arg(0,
 892                              0, &(args_info->category_rtsp_given),
 893                              &(local_args_info.category_rtsp_given), optarg, 0, 0,
 894                              ARG_NO, check_ambiguity, override, 0, 0, "category-rtsp",
 895                              '-', additional_error))
 896                 goto failure;
 897
 898             }
 899           /* Category RTMP website scripts.  */
 900           else if (strcmp(long_options[option_index].name, "category-rtmp") == 0)
 901             {
 902
 903               if (update_arg(0,
 904                              0, &(args_info->category_rtmp_given),
 905                              &(local_args_info.category_rtmp_given), optarg, 0, 0,
 906                              ARG_NO, check_ambiguity, override, 0, 0, "category-rtmp",
 907                              '-', additional_error))
 908                 goto failure;
 909
 910             }
 911           /* All website script categories.  */
 912           else if (strcmp(long_options[option_index].name, "category-all") == 0)
 913             {
 914
 915               if (update_arg(0,
 916                              0, &(args_info->category_all_given),
 917                              &(local_args_info.category_all_given), optarg, 0, 0,
 918                              ARG_NO, check_ambiguity, override, 0, 0, "category-all",
 919                              '-', additional_error))
 920                 goto failure;
 921
 922             }
 923           /* Check that parsed page title matches arg.  */
 924           else if (strcmp(long_options[option_index].name, "page-title") == 0)
 925             {
 926
 927               if (update_arg((void *)&(args_info->page_title_arg),
 928                              &(args_info->page_title_orig),
 929                              &(args_info->page_title_given),
 930                              &(local_args_info.page_title_given), optarg, 0, 0,
 931                              ARG_STRING, check_ambiguity, override, 0, 0,
 932                              "page-title", '-', additional_error))
 933                 goto failure;
 934
 935             }
 936           /* Check that parsed video ID matches arg.  */
 937           else if (strcmp(long_options[option_index].name, "video-id") == 0)
 938             {
 939
 940               if (update_arg((void *)&(args_info->video_id_arg),
 941                              &(args_info->video_id_orig),
 942                              &(args_info->video_id_given),
 943                              &(local_args_info.video_id_given), optarg, 0, 0,
 944                              ARG_STRING, check_ambiguity, override, 0, 0, "video-id",
 945                              '-', additional_error))
 946                 goto failure;
 947
 948             }
 949           /* Check that parsed video length matches arg.  */
 950           else if (strcmp(long_options[option_index].name, "file-length") == 0)
 951             {
 952
 953               if (update_arg((void *)&(args_info->file_length_arg),
 954                              &(args_info->file_length_orig),
 955                              &(args_info->file_length_given),
 956                              &(local_args_info.file_length_given), optarg, 0, 0,
 957                              ARG_DOUBLE, check_ambiguity, override, 0, 0,
 958                              "file-length", '-', additional_error))
 959                 goto failure;
 960
 961             }
 962           /* Check that parsed video suffix matches arg.  */
 963           else if (strcmp(long_options[option_index].name, "file-suffix") == 0)
 964             {
 965
 966               if (update_arg((void *)&(args_info->file_suffix_arg),
 967                              &(args_info->file_suffix_orig),
 968                              &(args_info->file_suffix_given),
 969                              &(local_args_info.file_suffix_given), optarg, 0, 0,
 970                              ARG_STRING, check_ambiguity, override, 0, 0,
 971                              "file-suffix", '-', additional_error))
 972                 goto failure;
 973
 974             }
 975           /* Run all built-in tests of category QUVIPROTO_HTTP.  */
 976           else if (strcmp(long_options[option_index].name, "test-all") == 0)
 977             {
 978
 979               if (update_arg(0,
 980                              0, &(args_info->test_all_given),
 981                              &(local_args_info.test_all_given), optarg, 0, 0, ARG_NO,
 982                              check_ambiguity, override, 0, 0,
 983                              "test-all", '-', additional_error))
 984                 goto failure;
 985
 986             }
 987           /* Dump video details with --test-all.  */
 988           else if (strcmp(long_options[option_index].name, "dump") == 0)
 989             {
 990
 991               if (update_arg(0,
 992                              0, &(args_info->dump_given),
 993                              &(local_args_info.dump_given), optarg, 0, 0, ARG_NO,
 994                              check_ambiguity, override, 0, 0,
 995                              "dump", '-', additional_error))
 996                 goto failure;
 997
 998             }
 999           /* Identify as arg.  */
1000           else if (strcmp(long_options[option_index].name, "agent") == 0)
1001             {
1002
1003               if (update_arg((void *)&(args_info->agent_arg),
1004                              &(args_info->agent_orig), &(args_info->agent_given),
1005                              &(local_args_info.agent_given), optarg, 0, "Mozilla/5.0",
1006                              ARG_STRING, check_ambiguity, override, 0, 0, "agent",
1007                              '-', additional_error))
1008                 goto failure;
1009
1010             }
1011           /* Use proxy for HTTP connections.  */
1012           else if (strcmp(long_options[option_index].name, "proxy") == 0)
1013             {
1014
1015               if (update_arg((void *)&(args_info->proxy_arg),
1016                              &(args_info->proxy_orig), &(args_info->proxy_given),
1017                              &(local_args_info.proxy_given), optarg, 0, 0, ARG_STRING,
1018                              check_ambiguity, override, 0, 0,
1019                              "proxy", '-', additional_error))
1020                 goto failure;
1021
1022             }
1023           /* Disable use of HTTP proxy.  */
1024           else if (strcmp(long_options[option_index].name, "no-proxy") == 0)
1025             {
1026
1027               if (update_arg(0,
1028                              0, &(args_info->no_proxy_given),
1029                              &(local_args_info.no_proxy_given), optarg, 0, 0, ARG_NO,
1030                              check_ambiguity, override, 0, 0,
1031                              "no-proxy", '-', additional_error))
1032                 goto failure;
1033
1034             }
1035           /* Seconds connecting allowed to take.  */
1036           else if (strcmp(long_options[option_index].name, "connect-timeout") == 0)
1037             {
1038
1039               if (update_arg((void *)&(args_info->connect_timeout_arg),
1040                              &(args_info->connect_timeout_orig),
1041                              &(args_info->connect_timeout_given),
1042                              &(local_args_info.connect_timeout_given), optarg, 0,
1043                              "30", ARG_INT, check_ambiguity, override, 0, 0,
1044                              "connect-timeout", '-', additional_error))
1045                 goto failure;
1046
1047             }
1048
1049           break;
1050         case '?':                  /* Invalid option.  */
1051           /* `getopt_long' already printed an error message.  */
1052           goto failure;
1053
1054         default:                   /* bug: option not considered.  */
1055           fprintf(stderr, "%s: option unknown: %c%s\n", CMDLINE_PARSER_PACKAGE, c,
1056                   (additional_error ? additional_error : ""));
1057           abort();
1058         }                           /* switch */
1059     }                             /* while */
1060
1061   if (check_required)
1062     {
1063       error += cmdline_parser_required2(args_info, argv[0], additional_error);
1064     }
1065
1066   cmdline_parser_release(&local_args_info);
1067
1068   if (error)
1069     return (EXIT_FAILURE);
1070
1071   if (optind < argc)
1072     {
1073       int i = 0;
1074       int found_prog_name = 0;
1075       /* whether program name, i.e., argv[0], is in the remaining args
1076          (this may happen with some implementations of getopt,
1077          but surely not with the one included by gengetopt) */
1078
1079       i = optind;
1080       while (i < argc)
1081         if (argv[i++] == argv[0])
1082           {
1083             found_prog_name = 1;
1084             break;
1085           }
1086       i = 0;
1087
1088       args_info->inputs_num = argc - optind - found_prog_name;
1089       args_info->inputs =
1090         (char **)(malloc((args_info->inputs_num) * sizeof(char *)));
1091       while (optind < argc)
1092         if (argv[optind++] != argv[0])
1093           args_info->inputs[i++] = gengetopt_strdup(argv[optind - 1]);
1094     }
1095
1096   return 0;
1097
1098 failure:
1099
1100   cmdline_parser_release(&local_args_info);
1101   return (EXIT_FAILURE);
1102 }
1103
1104 #ifndef CONFIG_FILE_LINE_SIZE
1105 #define CONFIG_FILE_LINE_SIZE 2048
1106 #endif
1107 #define ADDITIONAL_ERROR " in configuration file "
1108
1109 #define CONFIG_FILE_LINE_BUFFER_SIZE (CONFIG_FILE_LINE_SIZE+3)
1110 /* 3 is for "--" and "=" */
1111
1112 static int _cmdline_parser_configfile(const char *filename, int *my_argc)
1113 {
1114   FILE *file;
1115   char my_argv[CONFIG_FILE_LINE_BUFFER_SIZE + 1];
1116   char linebuf[CONFIG_FILE_LINE_SIZE];
1117   int line_num = 0;
1118   int result = 0, equal;
1119   char *fopt, *farg;
1120   char *str_index;
1121   size_t len, next_token;
1122   char delimiter;
1123
1124   if ((file = fopen(filename, "r")) == 0)
1125     {
1126       fprintf(stderr, "%s: Error opening configuration file '%s'\n",
1127               CMDLINE_PARSER_PACKAGE, filename);
1128       return EXIT_FAILURE;
1129     }
1130
1131   while ((fgets(linebuf, CONFIG_FILE_LINE_SIZE, file)) != 0)
1132     {
1133       ++line_num;
1134       my_argv[0] = '\0';
1135       len = strlen(linebuf);
1136       if (len > (CONFIG_FILE_LINE_BUFFER_SIZE - 1))
1137         {
1138           fprintf(stderr, "%s:%s:%d: Line too long in configuration file\n",
1139                   CMDLINE_PARSER_PACKAGE, filename, line_num);
1140           result = EXIT_FAILURE;
1141           break;
1142         }
1143
1144       /* find first non-whitespace character in the line */
1145       next_token = strspn(linebuf, " \t\r\n");
1146       str_index = linebuf + next_token;
1147
1148       if (str_index[0] == '\0' || str_index[0] == '#')
1149         continue;                 /* empty line or comment line is skipped */
1150
1151       fopt = str_index;
1152
1153       /* truncate fopt at the end of the first non-valid character */
1154       next_token = strcspn(fopt, " \t\r\n=");
1155
1156       if (fopt[next_token] == '\0')       /* the line is over */
1157         {
1158           farg = 0;
1159           equal = 0;
1160           goto noarg;
1161         }
1162
1163       /* remember if equal sign is present */
1164       equal = (fopt[next_token] == '=');
1165       fopt[next_token++] = '\0';
1166
1167       /* advance pointers to the next token after the end of fopt */
1168       next_token += strspn(fopt + next_token, " \t\r\n");
1169
1170       /* check for the presence of equal sign, and if so, skip it */
1171       if (!equal)
1172         if ((equal = (fopt[next_token] == '=')))
1173           {
1174             next_token++;
1175             next_token += strspn(fopt + next_token, " \t\r\n");
1176           }
1177       str_index += next_token;
1178
1179       /* find argument */
1180       farg = str_index;
1181       if (farg[0] == '\"' || farg[0] == '\'')     /* quoted argument */
1182         {
1183           str_index = strchr(++farg, str_index[0]); /* skip opening quote */
1184           if (!str_index)
1185             {
1186               fprintf
1187               (stderr,
1188                "%s:%s:%d: unterminated string in configuration file\n",
1189                CMDLINE_PARSER_PACKAGE, filename, line_num);
1190               result = EXIT_FAILURE;
1191               break;
1192             }
1193         }
1194       else                        /* read up the remaining part up to a delimiter */
1195         {
1196           next_token = strcspn(farg, " \t\r\n#\'\"");
1197           str_index += next_token;
1198         }
1199
1200       /* truncate farg at the delimiter and store it for further check */
1201       delimiter = *str_index, *str_index++ = '\0';
1202
1203       /* everything but comment is illegal at the end of line */
1204       if (delimiter != '\0' && delimiter != '#')
1205         {
1206           str_index += strspn(str_index, " \t\r\n");
1207           if (*str_index != '\0' && *str_index != '#')
1208             {
1209               fprintf
1210               (stderr,
1211                "%s:%s:%d: malformed string in configuration file\n",
1212                CMDLINE_PARSER_PACKAGE, filename, line_num);
1213               result = EXIT_FAILURE;
1214               break;
1215             }
1216         }
1217
1218 noarg:
1219       if (!strcmp(fopt, "include"))
1220         {
1221           if (farg && *farg)
1222             {
1223               result = _cmdline_parser_configfile(farg, my_argc);
1224             }
1225           else
1226             {
1227               fprintf(stderr, "%s:%s:%d: include requires a filename argument.\n",
1228                       CMDLINE_PARSER_PACKAGE, filename, line_num);
1229             }
1230           continue;
1231         }
1232       len = strlen(fopt);
1233       strcat(my_argv, len > 1 ? "--" : "-");
1234       strcat(my_argv, fopt);
1235       if (len > 1 && ((farg && *farg) || equal))
1236         strcat(my_argv, "=");
1237       if (farg && *farg)
1238         strcat(my_argv, farg);
1239       ++(*my_argc);
1240
1241       cmd_line_list_tmp = (struct line_list *)malloc(sizeof(struct line_list));
1242       cmd_line_list_tmp->next = cmd_line_list;
1243       cmd_line_list = cmd_line_list_tmp;
1244       cmd_line_list->string_arg = gengetopt_strdup(my_argv);
1245     }                             /* while */
1246
1247   if (file)
1248     fclose(file);
1249   return result;
1250 }
1251
1252 int
1253 cmdline_parser_configfile(const char *filename,
1254                           struct gengetopt_args_info *args_info,
1255                           int override, int initialize, int check_required)
1256 {
1257   struct cmdline_parser_params params;
1258
1259   params.override = override;
1260   params.initialize = initialize;
1261   params.check_required = check_required;
1262   params.check_ambiguity = 0;
1263   params.print_errors = 1;
1264
1265   return cmdline_parser_config_file(filename, args_info, &params);
1266 }
1267
1268 int
1269 cmdline_parser_config_file(const char *filename,
1270                            struct gengetopt_args_info *args_info,
1271                            struct cmdline_parser_params *params)
1272 {
1273   int i, result;
1274   int my_argc = 1;
1275   char **my_argv_arg;
1276   char *additional_error;
1277
1278   /* store the program name */
1279   cmd_line_list_tmp = (struct line_list *)malloc(sizeof(struct line_list));
1280   cmd_line_list_tmp->next = cmd_line_list;
1281   cmd_line_list = cmd_line_list_tmp;
1282   cmd_line_list->string_arg = gengetopt_strdup(CMDLINE_PARSER_PACKAGE);
1283
1284   result = _cmdline_parser_configfile(filename, &my_argc);
1285
1286   if (result != EXIT_FAILURE)
1287     {
1288       my_argv_arg = (char **)malloc((my_argc + 1) * sizeof(char *));
1289       cmd_line_list_tmp = cmd_line_list;
1290
1291       for (i = my_argc - 1; i >= 0; --i)
1292         {
1293           my_argv_arg[i] = cmd_line_list_tmp->string_arg;
1294           cmd_line_list_tmp = cmd_line_list_tmp->next;
1295         }
1296
1297       my_argv_arg[my_argc] = 0;
1298
1299       additional_error =
1300         (char *)malloc(strlen(filename) + strlen(ADDITIONAL_ERROR) + 1);
1301       strcpy(additional_error, ADDITIONAL_ERROR);
1302       strcat(additional_error, filename);
1303       result =
1304         cmdline_parser_internal(my_argc, my_argv_arg, args_info,
1305                                 params, additional_error);
1306
1307       free(additional_error);
1308       free(my_argv_arg);
1309     }
1310
1311   free_cmd_list();
1312   if (result == EXIT_FAILURE)
1313     {
1314       cmdline_parser_free(args_info);
1315       exit(EXIT_FAILURE);
1316     }
1317
1318   return result;
1319 }