/* File autogenerated by gengetopt version 2.22.6 generated with the following command: gengetopt --conf-parser 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 #include #include #ifndef FIX_UNUSED #define FIX_UNUSED(X) (void) (X) /* avoid warnings for unused params */ #endif #include #include "cmdline.h" const char *gengetopt_args_info_purpose = ""; const char *gengetopt_args_info_usage = "Usage: " CMDLINE_PARSER_PACKAGE " [OPTIONS]..."; 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", " -f, --fg Run in foreground (default=off)", " -d, --debug Run in debug mode (default=off)", " -c, --conf=STRING Read configuration file (default=`/etc/ggsn.conf')", " --pidfile=STRING Filename of process id file\n (default=`/var/run/ggsn.pid')", " --statedir=STRING Directory of nonvolatile data\n (default=`/var/lib/ggsn/')", " -l, --listen=STRING Local interface", " -n, --net=STRING Network (default=`192.168.0.0/24')", " --ipup=STRING Script to run after link-up", " --ipdown=STRING Script to run after link-down", " --dynip=STRING Dynamic IP address pool", " --statip=STRING Static IP address pool", " --pcodns1=STRING PCO DNS Server 1 (default=`0.0.0.0')", " --pcodns2=STRING PCO DNS Server 2 (default=`0.0.0.0')", " --timelimit=INT Exit after timelimit seconds (default=`0')", " -a, --apn=STRING Access point name (default=`internet')", " -q, --qos=INT Requested quality of service (default=`0x0b921f')", " --logfile=STRING Logfile for errors", 0 }; typedef enum {ARG_NO , ARG_FLAG , ARG_STRING , ARG_INT } 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); struct line_list { char * string_arg; struct line_list * next; }; static struct line_list *cmd_line_list = 0; static struct line_list *cmd_line_list_tmp = 0; static void free_cmd_list(void) { /* free the list of a previous call */ if (cmd_line_list) { while (cmd_line_list) { cmd_line_list_tmp = cmd_line_list; cmd_line_list = cmd_line_list->next; free (cmd_line_list_tmp->string_arg); free (cmd_line_list_tmp); } } } 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->fg_given = 0 ; args_info->debug_given = 0 ; args_info->conf_given = 0 ; args_info->pidfile_given = 0 ; args_info->statedir_given = 0 ; args_info->listen_given = 0 ; args_info->net_given = 0 ; args_info->ipup_given = 0 ; args_info->ipdown_given = 0 ; args_info->dynip_given = 0 ; args_info->statip_given = 0 ; args_info->pcodns1_given = 0 ; args_info->pcodns2_given = 0 ; args_info->timelimit_given = 0 ; args_info->apn_given = 0 ; args_info->qos_given = 0 ; args_info->logfile_given = 0 ; } static void clear_args (struct gengetopt_args_info *args_info) { FIX_UNUSED (args_info); args_info->fg_flag = 0; args_info->debug_flag = 0; args_info->conf_arg = gengetopt_strdup ("/etc/ggsn.conf"); args_info->conf_orig = NULL; args_info->pidfile_arg = gengetopt_strdup ("/var/run/ggsn.pid"); args_info->pidfile_orig = NULL; args_info->statedir_arg = gengetopt_strdup ("/var/lib/ggsn/"); args_info->statedir_orig = NULL; args_info->listen_arg = NULL; args_info->listen_orig = NULL; args_info->net_arg = gengetopt_strdup ("192.168.0.0/24"); args_info->net_orig = NULL; args_info->ipup_arg = NULL; args_info->ipup_orig = NULL; args_info->ipdown_arg = NULL; args_info->ipdown_orig = NULL; args_info->dynip_arg = NULL; args_info->dynip_orig = NULL; args_info->statip_arg = NULL; args_info->statip_orig = NULL; args_info->pcodns1_arg = gengetopt_strdup ("0.0.0.0"); args_info->pcodns1_orig = NULL; args_info->pcodns2_arg = gengetopt_strdup ("0.0.0.0"); args_info->pcodns2_orig = NULL; args_info->timelimit_arg = 0; args_info->timelimit_orig = NULL; args_info->apn_arg = gengetopt_strdup ("internet"); args_info->apn_orig = NULL; args_info->qos_arg = 0x0b921f; args_info->qos_orig = NULL; args_info->logfile_arg = NULL; args_info->logfile_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->fg_help = gengetopt_args_info_help[2] ; args_info->debug_help = gengetopt_args_info_help[3] ; args_info->conf_help = gengetopt_args_info_help[4] ; args_info->pidfile_help = gengetopt_args_info_help[5] ; args_info->statedir_help = gengetopt_args_info_help[6] ; args_info->listen_help = gengetopt_args_info_help[7] ; args_info->net_help = gengetopt_args_info_help[8] ; args_info->ipup_help = gengetopt_args_info_help[9] ; args_info->ipdown_help = gengetopt_args_info_help[10] ; args_info->dynip_help = gengetopt_args_info_help[11] ; args_info->statip_help = gengetopt_args_info_help[12] ; args_info->pcodns1_help = gengetopt_args_info_help[13] ; args_info->pcodns2_help = gengetopt_args_info_help[14] ; args_info->timelimit_help = gengetopt_args_info_help[15] ; args_info->apn_help = gengetopt_args_info_help[16] ; args_info->qos_help = gengetopt_args_info_help[17] ; args_info->logfile_help = gengetopt_args_info_help[18] ; } 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) { cmdline_parser_print_version (); if (strlen(gengetopt_args_info_purpose) > 0) printf("\n%s\n", gengetopt_args_info_purpose); if (strlen(gengetopt_args_info_usage) > 0) printf("\n%s\n", gengetopt_args_info_usage); 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); } 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) { free_string_field (&(args_info->conf_arg)); free_string_field (&(args_info->conf_orig)); free_string_field (&(args_info->pidfile_arg)); free_string_field (&(args_info->pidfile_orig)); free_string_field (&(args_info->statedir_arg)); free_string_field (&(args_info->statedir_orig)); free_string_field (&(args_info->listen_arg)); free_string_field (&(args_info->listen_orig)); free_string_field (&(args_info->net_arg)); free_string_field (&(args_info->net_orig)); free_string_field (&(args_info->ipup_arg)); free_string_field (&(args_info->ipup_orig)); free_string_field (&(args_info->ipdown_arg)); free_string_field (&(args_info->ipdown_orig)); free_string_field (&(args_info->dynip_arg)); free_string_field (&(args_info->dynip_orig)); free_string_field (&(args_info->statip_arg)); free_string_field (&(args_info->statip_orig)); free_string_field (&(args_info->pcodns1_arg)); free_string_field (&(args_info->pcodns1_orig)); free_string_field (&(args_info->pcodns2_arg)); free_string_field (&(args_info->pcodns2_orig)); free_string_field (&(args_info->timelimit_orig)); free_string_field (&(args_info->apn_arg)); free_string_field (&(args_info->apn_orig)); free_string_field (&(args_info->qos_orig)); free_string_field (&(args_info->logfile_arg)); free_string_field (&(args_info->logfile_orig)); clear_given (args_info); } static void write_into_file(FILE *outfile, const char *opt, const char *arg, const char *values[]) { FIX_UNUSED (values); if (arg) { 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->fg_given) write_into_file(outfile, "fg", 0, 0 ); if (args_info->debug_given) write_into_file(outfile, "debug", 0, 0 ); if (args_info->conf_given) write_into_file(outfile, "conf", args_info->conf_orig, 0); if (args_info->pidfile_given) write_into_file(outfile, "pidfile", args_info->pidfile_orig, 0); if (args_info->statedir_given) write_into_file(outfile, "statedir", args_info->statedir_orig, 0); if (args_info->listen_given) write_into_file(outfile, "listen", args_info->listen_orig, 0); if (args_info->net_given) write_into_file(outfile, "net", args_info->net_orig, 0); if (args_info->ipup_given) write_into_file(outfile, "ipup", args_info->ipup_orig, 0); if (args_info->ipdown_given) write_into_file(outfile, "ipdown", args_info->ipdown_orig, 0); if (args_info->dynip_given) write_into_file(outfile, "dynip", args_info->dynip_orig, 0); if (args_info->statip_given) write_into_file(outfile, "statip", args_info->statip_orig, 0); if (args_info->pcodns1_given) write_into_file(outfile, "pcodns1", args_info->pcodns1_orig, 0); if (args_info->pcodns2_given) write_into_file(outfile, "pcodns2", args_info->pcodns2_orig, 0); if (args_info->timelimit_given) write_into_file(outfile, "timelimit", args_info->timelimit_orig, 0); if (args_info->apn_given) write_into_file(outfile, "apn", args_info->apn_orig, 0); if (args_info->qos_given) write_into_file(outfile, "qos", args_info->qos_orig, 0); if (args_info->logfile_given) write_into_file(outfile, "logfile", args_info->logfile_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); } /** @brief replacement of strdup, which is not standard */ 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, ¶ms, 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; /** * @brief updates an option * @param field the generic pointer to the field to update * @param orig_field the pointer to the orig field * @param field_given the pointer to the number of occurrence of this option * @param prev_given the pointer to the number of occurrence already seen * @param value the argument for this option (if null no arg was specified) * @param possible_values the possible values for this option (if specified) * @param default_value the default value (in case the option only accepts fixed values) * @param arg_type the type of this option * @param check_ambiguity @see cmdline_parser_params.check_ambiguity * @param override @see cmdline_parser_params.override * @param no_free whether to free a possible previous value * @param multiple_option whether this is a multiple option * @param long_opt the corresponding long option * @param short_opt the corresponding short option (or '-' if none) * @param additional_error possible further error specification */ 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; char **string_field; 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 */ } FIX_UNUSED (default_value); 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_STRING: if (val) { string_field = (char **)field; if (!no_free && *string_field) free (*string_field); /* free previous string */ *string_field = gengetopt_strdup (val); } 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_ambiguity; package_name = argv[0]; override = params->override; initialize = params->initialize; check_ambiguity = params->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' }, { "fg", 0, NULL, 'f' }, { "debug", 0, NULL, 'd' }, { "conf", 1, NULL, 'c' }, { "pidfile", 1, NULL, 0 }, { "statedir", 1, NULL, 0 }, { "listen", 1, NULL, 'l' }, { "net", 1, NULL, 'n' }, { "ipup", 1, NULL, 0 }, { "ipdown", 1, NULL, 0 }, { "dynip", 1, NULL, 0 }, { "statip", 1, NULL, 0 }, { "pcodns1", 1, NULL, 0 }, { "pcodns2", 1, NULL, 0 }, { "timelimit", 1, NULL, 0 }, { "apn", 1, NULL, 'a' }, { "qos", 1, NULL, 'q' }, { "logfile", 1, NULL, 0 }, { 0, 0, 0, 0 } }; c = getopt_long (argc, argv, "hVfdc:l:n:a:q:", 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 'f': /* Run in foreground. */ if (update_arg((void *)&(args_info->fg_flag), 0, &(args_info->fg_given), &(local_args_info.fg_given), optarg, 0, 0, ARG_FLAG, check_ambiguity, override, 1, 0, "fg", 'f', additional_error)) goto failure; break; case 'd': /* Run in debug mode. */ if (update_arg((void *)&(args_info->debug_flag), 0, &(args_info->debug_given), &(local_args_info.debug_given), optarg, 0, 0, ARG_FLAG, check_ambiguity, override, 1, 0, "debug", 'd', additional_error)) goto failure; break; case 'c': /* Read configuration file. */ if (update_arg( (void *)&(args_info->conf_arg), &(args_info->conf_orig), &(args_info->conf_given), &(local_args_info.conf_given), optarg, 0, "/etc/ggsn.conf", ARG_STRING, check_ambiguity, override, 0, 0, "conf", 'c', additional_error)) goto failure; break; case 'l': /* Local interface. */ if (update_arg( (void *)&(args_info->listen_arg), &(args_info->listen_orig), &(args_info->listen_given), &(local_args_info.listen_given), optarg, 0, 0, ARG_STRING, check_ambiguity, override, 0, 0, "listen", 'l', additional_error)) goto failure; break; case 'n': /* Network. */ if (update_arg( (void *)&(args_info->net_arg), &(args_info->net_orig), &(args_info->net_given), &(local_args_info.net_given), optarg, 0, "192.168.0.0/24", ARG_STRING, check_ambiguity, override, 0, 0, "net", 'n', additional_error)) goto failure; break; case 'a': /* Access point name. */ if (update_arg( (void *)&(args_info->apn_arg), &(args_info->apn_orig), &(args_info->apn_given), &(local_args_info.apn_given), optarg, 0, "internet", ARG_STRING, check_ambiguity, override, 0, 0, "apn", 'a', additional_error)) goto failure; break; case 'q': /* Requested quality of service. */ if (update_arg( (void *)&(args_info->qos_arg), &(args_info->qos_orig), &(args_info->qos_given), &(local_args_info.qos_given), optarg, 0, "0x0b921f", ARG_INT, check_ambiguity, override, 0, 0, "qos", 'q', additional_error)) goto failure; break; case 0: /* Long option with no short option */ /* Filename of process id file. */ if (strcmp (long_options[option_index].name, "pidfile") == 0) { if (update_arg( (void *)&(args_info->pidfile_arg), &(args_info->pidfile_orig), &(args_info->pidfile_given), &(local_args_info.pidfile_given), optarg, 0, "/var/run/ggsn.pid", ARG_STRING, check_ambiguity, override, 0, 0, "pidfile", '-', additional_error)) goto failure; } /* Directory of nonvolatile data. */ else if (strcmp (long_options[option_index].name, "statedir") == 0) { if (update_arg( (void *)&(args_info->statedir_arg), &(args_info->statedir_orig), &(args_info->statedir_given), &(local_args_info.statedir_given), optarg, 0, "/var/lib/ggsn/", ARG_STRING, check_ambiguity, override, 0, 0, "statedir", '-', additional_error)) goto failure; } /* Script to run after link-up. */ else if (strcmp (long_options[option_index].name, "ipup") == 0) { if (update_arg( (void *)&(args_info->ipup_arg), &(args_info->ipup_orig), &(args_info->ipup_given), &(local_args_info.ipup_given), optarg, 0, 0, ARG_STRING, check_ambiguity, override, 0, 0, "ipup", '-', additional_error)) goto failure; } /* Script to run after link-down. */ else if (strcmp (long_options[option_index].name, "ipdown") == 0) { if (update_arg( (void *)&(args_info->ipdown_arg), &(args_info->ipdown_orig), &(args_info->ipdown_given), &(local_args_info.ipdown_given), optarg, 0, 0, ARG_STRING, check_ambiguity, override, 0, 0, "ipdown", '-', additional_error)) goto failure; } /* Dynamic IP address pool. */ else if (strcmp (long_options[option_index].name, "dynip") == 0) { if (update_arg( (void *)&(args_info->dynip_arg), &(args_info->dynip_orig), &(args_info->dynip_given), &(local_args_info.dynip_given), optarg, 0, 0, ARG_STRING, check_ambiguity, override, 0, 0, "dynip", '-', additional_error)) goto failure; } /* Static IP address pool. */ else if (strcmp (long_options[option_index].name, "statip") == 0) { if (update_arg( (void *)&(args_info->statip_arg), &(args_info->statip_orig), &(args_info->statip_given), &(local_args_info.statip_given), optarg, 0, 0, ARG_STRING, check_ambiguity, override, 0, 0, "statip", '-', additional_error)) goto failure; } /* PCO DNS Server 1. */ else if (strcmp (long_options[option_index].name, "pcodns1") == 0) { if (update_arg( (void *)&(args_info->pcodns1_arg), &(args_info->pcodns1_orig), &(args_info->pcodns1_given), &(local_args_info.pcodns1_given), optarg, 0, "0.0.0.0", ARG_STRING, check_ambiguity, override, 0, 0, "pcodns1", '-', additional_error)) goto failure; } /* PCO DNS Server 2. */ else if (strcmp (long_options[option_index].name, "pcodns2") == 0) { if (update_arg( (void *)&(args_info->pcodns2_arg), &(args_info->pcodns2_orig), &(args_info->pcodns2_given), &(local_args_info.pcodns2_given), optarg, 0, "0.0.0.0", ARG_STRING, check_ambiguity, override, 0, 0, "pcodns2", '-', additional_error)) goto failure; } /* Exit after timelimit seconds. */ else if (strcmp (long_options[option_index].name, "timelimit") == 0) { if (update_arg( (void *)&(args_info->timelimit_arg), &(args_info->timelimit_orig), &(args_info->timelimit_given), &(local_args_info.timelimit_given), optarg, 0, "0", ARG_INT, check_ambiguity, override, 0, 0, "timelimit", '-', additional_error)) goto failure; } /* Logfile for errors. */ else if (strcmp (long_options[option_index].name, "logfile") == 0) { if (update_arg( (void *)&(args_info->logfile_arg), &(args_info->logfile_orig), &(args_info->logfile_given), &(local_args_info.logfile_given), optarg, 0, 0, ARG_STRING, check_ambiguity, override, 0, 0, "logfile", '-', additional_error)) goto failure; } break; 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 */ cmdline_parser_release (&local_args_info); if ( error_occurred ) return (EXIT_FAILURE); return 0; failure: cmdline_parser_release (&local_args_info); return (EXIT_FAILURE); } #ifndef CONFIG_FILE_LINE_SIZE #define CONFIG_FILE_LINE_SIZE 2048 #endif #define ADDITIONAL_ERROR " in configuration file " #define CONFIG_FILE_LINE_BUFFER_SIZE (CONFIG_FILE_LINE_SIZE+3) /* 3 is for "--" and "=" */ static int _cmdline_parser_configfile (const char *filename, int *my_argc) { FILE* file; char my_argv[CONFIG_FILE_LINE_BUFFER_SIZE+1]; char linebuf[CONFIG_FILE_LINE_SIZE]; int line_num = 0; int result = 0, equal; char *fopt, *farg; char *str_index; size_t len, next_token; char delimiter; if ((file = fopen(filename, "r")) == 0) { fprintf (stderr, "%s: Error opening configuration file '%s'\n", CMDLINE_PARSER_PACKAGE, filename); return EXIT_FAILURE; } while ((fgets(linebuf, CONFIG_FILE_LINE_SIZE, file)) != 0) { ++line_num; my_argv[0] = '\0'; len = strlen(linebuf); if (len > (CONFIG_FILE_LINE_BUFFER_SIZE-1)) { fprintf (stderr, "%s:%s:%d: Line too long in configuration file\n", CMDLINE_PARSER_PACKAGE, filename, line_num); result = EXIT_FAILURE; break; } /* find first non-whitespace character in the line */ next_token = strspn (linebuf, " \t\r\n"); str_index = linebuf + next_token; if ( str_index[0] == '\0' || str_index[0] == '#') continue; /* empty line or comment line is skipped */ fopt = str_index; /* truncate fopt at the end of the first non-valid character */ next_token = strcspn (fopt, " \t\r\n="); if (fopt[next_token] == '\0') /* the line is over */ { farg = 0; equal = 0; goto noarg; } /* remember if equal sign is present */ equal = (fopt[next_token] == '='); fopt[next_token++] = '\0'; /* advance pointers to the next token after the end of fopt */ next_token += strspn (fopt + next_token, " \t\r\n"); /* check for the presence of equal sign, and if so, skip it */ if ( !equal ) if ((equal = (fopt[next_token] == '='))) { next_token++; next_token += strspn (fopt + next_token, " \t\r\n"); } str_index += next_token; /* find argument */ farg = str_index; if ( farg[0] == '\"' || farg[0] == '\'' ) { /* quoted argument */ str_index = strchr (++farg, str_index[0] ); /* skip opening quote */ if (! str_index) { fprintf (stderr, "%s:%s:%d: unterminated string in configuration file\n", CMDLINE_PARSER_PACKAGE, filename, line_num); result = EXIT_FAILURE; break; } } else { /* read up the remaining part up to a delimiter */ next_token = strcspn (farg, " \t\r\n#\'\""); str_index += next_token; } /* truncate farg at the delimiter and store it for further check */ delimiter = *str_index, *str_index++ = '\0'; /* everything but comment is illegal at the end of line */ if (delimiter != '\0' && delimiter != '#') { str_index += strspn(str_index, " \t\r\n"); if (*str_index != '\0' && *str_index != '#') { fprintf (stderr, "%s:%s:%d: malformed string in configuration file\n", CMDLINE_PARSER_PACKAGE, filename, line_num); result = EXIT_FAILURE; break; } } noarg: if (!strcmp(fopt,"include")) { if (farg && *farg) { result = _cmdline_parser_configfile(farg, my_argc); } else { fprintf(stderr, "%s:%s:%d: include requires a filename argument.\n", CMDLINE_PARSER_PACKAGE, filename, line_num); } continue; } len = strlen(fopt); strcat (my_argv, len > 1 ? "--" : "-"); strcat (my_argv, fopt); if (len > 1 && ((farg && *farg) || equal)) strcat (my_argv, "="); if (farg && *farg) strcat (my_argv, farg); ++(*my_argc); cmd_line_list_tmp = (struct line_list *) malloc (sizeof (struct line_list)); cmd_line_list_tmp->next = cmd_line_list; cmd_line_list = cmd_line_list_tmp; cmd_line_list->string_arg = gengetopt_strdup(my_argv); } /* while */ if (file) fclose(file); return result; } int cmdline_parser_configfile ( const char *filename, struct gengetopt_args_info *args_info, int override, int initialize, int check_required) { struct cmdline_parser_params params; params.override = override; params.initialize = initialize; params.check_required = check_required; params.check_ambiguity = 0; params.print_errors = 1; return cmdline_parser_config_file (filename, args_info, ¶ms); } int cmdline_parser_config_file (const char *filename, struct gengetopt_args_info *args_info, struct cmdline_parser_params *params) { int i, result; int my_argc = 1; char **my_argv_arg; char *additional_error; /* store the program name */ cmd_line_list_tmp = (struct line_list *) malloc (sizeof (struct line_list)); cmd_line_list_tmp->next = cmd_line_list; cmd_line_list = cmd_line_list_tmp; cmd_line_list->string_arg = gengetopt_strdup (CMDLINE_PARSER_PACKAGE); result = _cmdline_parser_configfile(filename, &my_argc); if (result != EXIT_FAILURE) { my_argv_arg = (char **) malloc((my_argc+1) * sizeof(char *)); cmd_line_list_tmp = cmd_line_list; for (i = my_argc - 1; i >= 0; --i) { my_argv_arg[i] = cmd_line_list_tmp->string_arg; cmd_line_list_tmp = cmd_line_list_tmp->next; } my_argv_arg[my_argc] = 0; additional_error = (char *)malloc(strlen(filename) + strlen(ADDITIONAL_ERROR) + 1); strcpy (additional_error, ADDITIONAL_ERROR); strcat (additional_error, filename); result = cmdline_parser_internal (my_argc, my_argv_arg, args_info, params, additional_error); free (additional_error); free (my_argv_arg); } free_cmd_list(); if (result == EXIT_FAILURE) { cmdline_parser_free (args_info); exit (EXIT_FAILURE); } return result; }