cmdline.c

/*
  File autogenerated by gengetopt version 2.23
  generated with the following command:
  gengetopt -i command_line.ggo --unnamed-opts
 
  The developers of gengetopt consider the fixed text that goes in all
  gengetopt output files to be in the public domain:
  we make no copyright claims on it.
*/
 
/* If we use autoconf.  */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
#ifndef FIX_UNUSED
#define FIX_UNUSED(X) (void) (X) /* avoid warnings for unused params */
#endif
 
#include <getopt.h>
 
#include "cmdline.h"
 
const char *gengetopt_args_info_purpose = "";
 
const char *gengetopt_args_info_usage = "Usage: XipZ [OPTION]... [FILE]...";
 
const char *gengetopt_args_info_versiontext = "";
 
const char *gengetopt_args_info_description = "";
 
const char *gengetopt_args_info_help[] = {
  "  -h, --help            Print help and exit",
  "  -V, --version         Print version and exit",
  "  -r, --raw             output raw crunched data without header  (default=off)",
  "  -a, --algorithm=ENUM  crunching algorithm to use  (possible values=\"xipz\",\n                          \"qadz\" default=`xipz')",
  "  -j, --jump=INT        address to jump to (-1 = load address)  (default=`-1')",
    0
};
 
typedef enum {ARG_NO
  , ARG_FLAG
  , ARG_INT
  , ARG_ENUM
} cmdline_parser_arg_type;
 
static
void clear_given (struct gengetopt_args_info *args_info);
static
void clear_args (struct gengetopt_args_info *args_info);
 
static int
cmdline_parser_internal (int argc, char **argv, struct gengetopt_args_info *args_info,
                        struct cmdline_parser_params *params, const char *additional_error);
 
 
const char *cmdline_parser_algorithm_values[] = {"xipz", "qadz", 0}; /*< Possible values for algorithm. */
 
static char *
gengetopt_strdup (const char *s);
 
static
void clear_given (struct gengetopt_args_info *args_info)
{
  args_info->help_given = 0 ;
  args_info->version_given = 0 ;
  args_info->raw_given = 0 ;
  args_info->algorithm_given = 0 ;
  args_info->jump_given = 0 ;
}
 
static
void clear_args (struct gengetopt_args_info *args_info)
{
  FIX_UNUSED (args_info);
  args_info->raw_flag = 0;
  args_info->algorithm_arg = algorithm_arg_xipz;
  args_info->algorithm_orig = NULL;
  args_info->jump_arg = -1;
  args_info->jump_orig = NULL;
  
}
 
static
void init_args_info(struct gengetopt_args_info *args_info)
{
 
 
  args_info->help_help = gengetopt_args_info_help[0] ;
  args_info->version_help = gengetopt_args_info_help[1] ;
  args_info->raw_help = gengetopt_args_info_help[2] ;
  args_info->algorithm_help = gengetopt_args_info_help[3] ;
  args_info->jump_help = gengetopt_args_info_help[4] ;
  
}
 
void
cmdline_parser_print_version (void)
{
  printf ("%s %s\n",
     (strlen(CMDLINE_PARSER_PACKAGE_NAME) ? CMDLINE_PARSER_PACKAGE_NAME : CMDLINE_PARSER_PACKAGE),
     CMDLINE_PARSER_VERSION);
 
  if (strlen(gengetopt_args_info_versiontext) > 0)
    printf("\n%s\n", gengetopt_args_info_versiontext);
}
 
static void print_help_common(void)
{
    size_t len_purpose = strlen(gengetopt_args_info_purpose);
    size_t len_usage = strlen(gengetopt_args_info_usage);
 
    if (len_usage > 0) {
        printf("%s\n", gengetopt_args_info_usage);
    }
    if (len_purpose > 0) {
        printf("%s\n", gengetopt_args_info_purpose);
    }
 
    if (len_usage || len_purpose) {
        printf("\n");
    }
 
    if (strlen(gengetopt_args_info_description) > 0) {
        printf("%s\n\n", gengetopt_args_info_description);
    }
}
 
void
cmdline_parser_print_help (void)
{
  int i = 0;
  print_help_common();
  while (gengetopt_args_info_help[i])
    printf("%s\n", gengetopt_args_info_help[i++]);
}
 
void
cmdline_parser_init (struct gengetopt_args_info *args_info)
{
  clear_given (args_info);
  clear_args (args_info);
  init_args_info (args_info);
 
  args_info->inputs = 0;
  args_info->inputs_num = 0;
}
 
void
cmdline_parser_params_init(struct cmdline_parser_params *params)
{
  if (params)
    { 
      params->override = 0;
      params->initialize = 1;
      params->check_required = 1;
      params->check_ambiguity = 0;
      params->print_errors = 1;
    }
}
 
struct cmdline_parser_params *
cmdline_parser_params_create(void)
{
  struct cmdline_parser_params *params = 
    (struct cmdline_parser_params *)malloc(sizeof(struct cmdline_parser_params));
  cmdline_parser_params_init(params);  
  return params;
}
 
static void
free_string_field (char **s)
{
  if (*s)
    {
      free (*s);
      *s = 0;
    }
}
 
 
static void
cmdline_parser_release (struct gengetopt_args_info *args_info)
{
  unsigned int i;
  free_string_field (&(args_info->algorithm_orig));
  free_string_field (&(args_info->jump_orig));
  
  
  for (i = 0; i < args_info->inputs_num; ++i)
    free (args_info->inputs [i]);
 
  if (args_info->inputs_num)
    free (args_info->inputs);
 
  clear_given (args_info);
}
 
static int
check_possible_values(const char *val, const char *values[])
{
  int i, found, last;
  size_t len;
 
  if (!val)   /* otherwise strlen() crashes below */
    return -1; /* -1 means no argument for the option */
 
  found = last = 0;
 
  for (i = 0, len = strlen(val); values[i]; ++i)
    {
      if (strncmp(val, values[i], len) == 0)
        {
          ++found;
          last = i;
          if (strlen(values[i]) == len)
            return i; /* exact macth no need to check more */
        }
    }
 
  if (found == 1) /* one match: OK */
    return last;
 
  return (found ? -2 : -1); /* return many values or none matched */
}
 
 
static void
write_into_file(FILE *outfile, const char *opt, const char *arg, const char *values[])
{
  int found = -1;
  if (arg) {
    if (values) {
      found = check_possible_values(arg, values);      
    }
    if (found >= 0)
      fprintf(outfile, "%s=\"%s\" # %s\n", opt, arg, values[found]);
    else
      fprintf(outfile, "%s=\"%s\"\n", opt, arg);
  } else {
    fprintf(outfile, "%s\n", opt);
  }
}
 
 
int
cmdline_parser_dump(FILE *outfile, struct gengetopt_args_info *args_info)
{
  int i = 0;
 
  if (!outfile)
    {
      fprintf (stderr, "%s: cannot dump options to stream\n", CMDLINE_PARSER_PACKAGE);
      return EXIT_FAILURE;
    }
 
  if (args_info->help_given)
    write_into_file(outfile, "help", 0, 0 );
  if (args_info->version_given)
    write_into_file(outfile, "version", 0, 0 );
  if (args_info->raw_given)
    write_into_file(outfile, "raw", 0, 0 );
  if (args_info->algorithm_given)
    write_into_file(outfile, "algorithm", args_info->algorithm_orig, cmdline_parser_algorithm_values);
  if (args_info->jump_given)
    write_into_file(outfile, "jump", args_info->jump_orig, 0);
  
 
  i = EXIT_SUCCESS;
  return i;
}
 
int
cmdline_parser_file_save(const char *filename, struct gengetopt_args_info *args_info)
{
  FILE *outfile;
  int i = 0;
 
  outfile = fopen(filename, "w");
 
  if (!outfile)
    {
      fprintf (stderr, "%s: cannot open file for writing: %s\n", CMDLINE_PARSER_PACKAGE, filename);
      return EXIT_FAILURE;
    }
 
  i = cmdline_parser_dump(outfile, args_info);
  fclose (outfile);
 
  return i;
}
 
void
cmdline_parser_free (struct gengetopt_args_info *args_info)
{
  cmdline_parser_release (args_info);
}
 
char *
gengetopt_strdup (const char *s)
{
  char *result = 0;
  if (!s)
    return result;
 
  result = (char*)malloc(strlen(s) + 1);
  if (result == (char*)0)
    return (char*)0;
  strcpy(result, s);
  return result;
}
 
int
cmdline_parser (int argc, char **argv, struct gengetopt_args_info *args_info)
{
  return cmdline_parser2 (argc, argv, args_info, 0, 1, 1);
}
 
int
cmdline_parser_ext (int argc, char **argv, struct gengetopt_args_info *args_info,
                   struct cmdline_parser_params *params)
{
  int result;
  result = cmdline_parser_internal (argc, argv, args_info, params, 0);
 
  if (result == EXIT_FAILURE)
    {
      cmdline_parser_free (args_info);
      exit (EXIT_FAILURE);
    }
  
  return result;
}
 
int
cmdline_parser2 (int argc, char **argv, struct gengetopt_args_info *args_info, int override, int initialize, int check_required)
{
  int result;
  struct cmdline_parser_params params;
  
  params.override = override;
  params.initialize = initialize;
  params.check_required = check_required;
  params.check_ambiguity = 0;
  params.print_errors = 1;
 
  result = cmdline_parser_internal (argc, argv, args_info, &params, 0);
 
  if (result == EXIT_FAILURE)
    {
      cmdline_parser_free (args_info);
      exit (EXIT_FAILURE);
    }
  
  return result;
}
 
int
cmdline_parser_required (struct gengetopt_args_info *args_info, const char *prog_name)
{
  FIX_UNUSED (args_info);
  FIX_UNUSED (prog_name);
  return EXIT_SUCCESS;
}
 
 
static char *package_name = 0;
 
static
int update_arg(void *field, char **orig_field,
               unsigned int *field_given, unsigned int *prev_given, 
               char *value, const char *possible_values[],
               const char *default_value,
               cmdline_parser_arg_type arg_type,
               int check_ambiguity, int override,
               int no_free, int multiple_option,
               const char *long_opt, char short_opt,
               const char *additional_error)
{
  char *stop_char = 0;
  const char *val = value;
  int found;
  FIX_UNUSED (field);
 
  stop_char = 0;
  found = 0;
 
  if (!multiple_option && prev_given && (*prev_given || (check_ambiguity && *field_given)))
    {
      if (short_opt != '-')
        fprintf (stderr, "%s: `--%s' (`-%c') option given more than once%s\n", 
               package_name, long_opt, short_opt,
               (additional_error ? additional_error : ""));
      else
        fprintf (stderr, "%s: `--%s' option given more than once%s\n", 
               package_name, long_opt,
               (additional_error ? additional_error : ""));
      return 1; /* failure */
    }
 
  if (possible_values && (found = check_possible_values((value ? value : default_value), possible_values)) < 0)
    {
      if (short_opt != '-')
        fprintf (stderr, "%s: %s argument, \"%s\", for option `--%s' (`-%c')%s\n", 
          package_name, (found == -2) ? "ambiguous" : "invalid", value, long_opt, short_opt,
          (additional_error ? additional_error : ""));
      else
        fprintf (stderr, "%s: %s argument, \"%s\", for option `--%s'%s\n", 
          package_name, (found == -2) ? "ambiguous" : "invalid", value, long_opt,
          (additional_error ? additional_error : ""));
      return 1; /* failure */
    }
    
  if (field_given && *field_given && ! override)
    return 0;
  if (prev_given)
    (*prev_given)++;
  if (field_given)
    (*field_given)++;
  if (possible_values)
    val = possible_values[found];
 
  switch(arg_type) {
  case ARG_FLAG:
    *((int *)field) = !*((int *)field);
    break;
  case ARG_INT:
    if (val) *((int *)field) = strtol (val, &stop_char, 0);
    break;
  case ARG_ENUM:
    if (val) *((int *)field) = found;
    break;
  default:
    break;
  };
 
  /* check numeric conversion */
  switch(arg_type) {
  case ARG_INT:
    if (val && !(stop_char && *stop_char == '\0')) {
      fprintf(stderr, "%s: invalid numeric value: %s\n", package_name, val);
      return 1; /* failure */
    }
    break;
  default:
    ;
  };
 
  /* store the original value */
  switch(arg_type) {
  case ARG_NO:
  case ARG_FLAG:
    break;
  default:
    if (value && orig_field) {
      if (no_free) {
        *orig_field = value;
      } else {
        if (*orig_field)
          free (*orig_field); /* free previous string */
        *orig_field = gengetopt_strdup (value);
      }
    }
  };
 
  return 0; /* OK */
}
 
 
int
cmdline_parser_internal (
  int argc, char **argv, struct gengetopt_args_info *args_info,
                        struct cmdline_parser_params *params, const char *additional_error)
{
  int c;    /* Character of the parsed option.  */
 
  int error_occurred = 0;
  struct gengetopt_args_info local_args_info;
  
  int override;
  int initialize;
  int check_required;
  int check_ambiguity;
  
  package_name = argv[0];
  
  /* TODO: Why is this here? It is not used anywhere. */
  override = params->override;
  FIX_UNUSED(override);
 
  initialize = params->initialize;
  check_required = params->check_required;
 
  /* TODO: Why is this here? It is not used anywhere. */
  check_ambiguity = params->check_ambiguity;
  FIX_UNUSED(check_ambiguity);
 
  if (initialize)
    cmdline_parser_init (args_info);
 
  cmdline_parser_init (&local_args_info);
 
  optarg = 0;
  optind = 0;
  opterr = params->print_errors;
  optopt = '?';
 
  while (1)
    {
      int option_index = 0;
 
      static struct option long_options[] = {
        { "help",   0, NULL, 'h' },
        { "version",    0, NULL, 'V' },
        { "raw",    0, NULL, 'r' },
        { "algorithm",  1, NULL, 'a' },
        { "jump",   1, NULL, 'j' },
        { 0,  0, 0, 0 }
      };
 
      c = getopt_long (argc, argv, "hVra:j:", long_options, &option_index);
 
      if (c == -1) break;   /* Exit from `while (1)' loop.  */
 
      switch (c)
        {
        case 'h':   /* Print help and exit.  */
          cmdline_parser_print_help ();
          cmdline_parser_free (&local_args_info);
          exit (EXIT_SUCCESS);
 
        case 'V':   /* Print version and exit.  */
          cmdline_parser_print_version ();
          cmdline_parser_free (&local_args_info);
          exit (EXIT_SUCCESS);
 
        case 'r':   /* output raw crunched data without header.  */
        
        
          if (update_arg((void *)&(args_info->raw_flag), 0, &(args_info->raw_given),
              &(local_args_info.raw_given), optarg, 0, 0, ARG_FLAG,
              check_ambiguity, override, 1, 0, "raw", 'r',
              additional_error))
            goto failure;
        
          break;
        case 'a':   /* crunching algorithm to use.  */
        
        
          if (update_arg( (void *)&(args_info->algorithm_arg), 
               &(args_info->algorithm_orig), &(args_info->algorithm_given),
              &(local_args_info.algorithm_given), optarg, cmdline_parser_algorithm_values, "xipz", ARG_ENUM,
              check_ambiguity, override, 0, 0,
              "algorithm", 'a',
              additional_error))
            goto failure;
        
          break;
        case 'j':   /* address to jump to (-1 = load address).  */
        
        
          if (update_arg( (void *)&(args_info->jump_arg), 
               &(args_info->jump_orig), &(args_info->jump_given),
              &(local_args_info.jump_given), optarg, 0, "-1", ARG_INT,
              check_ambiguity, override, 0, 0,
              "jump", 'j',
              additional_error))
            goto failure;
        
          break;
 
        case 0: /* Long option with no short option */
        case '?':   /* Invalid option.  */
          /* `getopt_long' already printed an error message.  */
          goto failure;
 
        default:    /* bug: option not considered.  */
          fprintf (stderr, "%s: option unknown: %c%s\n", CMDLINE_PARSER_PACKAGE, c, (additional_error ? additional_error : ""));
          abort ();
        } /* switch */
    } /* while */
 
 
 
    FIX_UNUSED(check_required);
 
  cmdline_parser_release (&local_args_info);
 
  if ( error_occurred )
    return (EXIT_FAILURE);
 
  if (optind < argc)
    {
      int i = 0 ;
      int found_prog_name = 0;
      /* whether program name, i.e., argv[0], is in the remaining args
         (this may happen with some implementations of getopt,
          but surely not with the one included by gengetopt) */
 
      i = optind;
      while (i < argc)
        if (argv[i++] == argv[0]) {
          found_prog_name = 1;
          break;
        }
      i = 0;
 
      args_info->inputs_num = argc - optind - found_prog_name;
      args_info->inputs =
        (char **)(malloc ((args_info->inputs_num)*sizeof(char *))) ;
      while (optind < argc)
        if (argv[optind++] != argv[0])
          args_info->inputs[ i++ ] = gengetopt_strdup (argv[optind-1]) ;
    }
 
  return 0;
 
failure:
  
  cmdline_parser_release (&local_args_info);
  return (EXIT_FAILURE);
}
/* vim: set ft=c noet ts=8 sts=8 sw=8 tw=80 nojs spell : */