/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ /* ** print_default.c: ** Print all parameters in a default file that will be given to some program. ** ** Written by Monty */ #include #include #include #include const char *config_file="my"; /* Default config file */ uint verbose= 0, opt_defaults_file_used= 0; const char *default_dbug_option="d:t:o,/tmp/my_print_defaults.trace"; static struct my_option my_long_options[] = { /* NB: --config-file is troublesome, because get_defaults_options() doesn't know about it, but we pretend --config-file is like --defaults-file. In fact they behave differently: see the comments at the top of mysys/default.c for how --defaults-file should behave. This --config-file option behaves as: - If it has a directory name part (absolute or relative), then only this file is read; no error is given if the file doesn't exist - If the file has no directory name part, the standard locations are searched for a file of this name (and standard filename extensions are added if the file has no extension) */ {"config-file", 'c', "Deprecated, please use --defaults-file instead. " "Name of config file to read; if no extension is given, default " "extension (e.g., .ini or .cnf) will be added", &config_file, &config_file, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, #ifdef DBUG_OFF {"debug", '#', "This is a non-debug version. Catch this and exit", 0,0, 0, GET_DISABLED, OPT_ARG, 0, 0, 0, 0, 0, 0}, #else {"debug", '#', "Output debug log", &default_dbug_option, &default_dbug_option, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0}, #endif {"defaults-file", 'c', "Like --config-file, except: if first option, " "then read this file only, do not read global or per-user config " "files; should be the first option", &config_file, &config_file, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"defaults-extra-file", 'e', "Read this file after the global config file and before the config " "file in the users home directory; should be the first option", &my_defaults_extra_file, &my_defaults_extra_file, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"defaults-group-suffix", 'g', "In addition to the given groups, read also groups with this suffix", &my_defaults_group_suffix, &my_defaults_group_suffix, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"extra-file", 'e', "Deprecated. Synonym for --defaults-extra-file.", &my_defaults_extra_file, &my_defaults_extra_file, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"no-defaults", 'n', "Return an empty string (useful for scripts).", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"help", '?', "Display this help message and exit.", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"verbose", 'v', "Increase the output level", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"version", 'V', "Output version information and exit.", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0} }; #include static void usage(my_bool version) { printf("%s Ver 1.6 for %s at %s\n",my_progname,SYSTEM_TYPE, MACHINE_TYPE); if (version) return; puts("This software comes with ABSOLUTELY NO WARRANTY. This is free software,\nand you are welcome to modify and redistribute it under the GPL license\n"); puts("Prints all arguments that is give to some program using the default files"); printf("Usage: %s [OPTIONS] groups\n", my_progname); my_print_help(my_long_options); my_print_default_files(config_file); my_print_variables(my_long_options); printf("\nExample usage:\n%s --defaults-file=example.cnf client mysql\n", my_progname); } #include static my_bool get_one_option(int optid, const struct my_option *opt __attribute__((unused)), char *argument __attribute__((unused))) { switch (optid) { case 'c': opt_defaults_file_used= 1; break; case 'n': exit(0); case 'I': case '?': usage(0); exit(0); case 'v': verbose++; break; case 'V': usage(1); exit(0); case '#': DBUG_PUSH(argument ? argument : default_dbug_option); break; } return 0; } static int get_options(int *argc,char ***argv) { int ho_error; if ((ho_error=handle_options(argc, argv, my_long_options, get_one_option))) exit(ho_error); if (*argc < 1) { usage(0); return 1; } return 0; } int main(int argc, char **argv) { int count, error, args_used; char **load_default_groups, *tmp_arguments[6]; char **argument, **arguments, **org_argv; char *defaults, *extra_defaults, *group_suffix; MY_INIT(argv[0]); org_argv= argv; args_used= get_defaults_options(argc, argv, &defaults, &extra_defaults, &group_suffix); /* Copy defaults-xxx arguments & program name */ count=args_used+1; arguments= tmp_arguments; memcpy((char*) arguments, (char*) org_argv, count * sizeof(*org_argv)); arguments[count]= 0; /* Check out the args */ if (!(load_default_groups=(char**) my_malloc((argc+1)*sizeof(char*), MYF(MY_WME)))) exit(1); if (get_options(&argc,&argv)) exit(1); memcpy((char*) load_default_groups, (char*) argv, (argc + 1) * sizeof(*argv)); if ((error= load_defaults(config_file, (const char **) load_default_groups, &count, &arguments))) { if (verbose && opt_defaults_file_used) { if (error == 1) fprintf(stderr, "WARNING: Defaults file '%s' not found!\n", config_file); /* This error is not available now. For the future */ if (error == 2) fprintf(stderr, "WARNING: Defaults file '%s' is not a regular file!\n", config_file); } error= 2; } for (argument= arguments+1 ; *argument ; argument++) puts(*argument); my_free((char*) load_default_groups,MYF(0)); free_defaults(arguments); exit(error); }