my_print_defaults.c
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:5k
源码类别:
MySQL数据库
开发平台:
Visual C++
- /* Copyright (C) 2000 MySQL AB
- 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; either version 2 of the License, or
- (at your option) any later version.
- 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- /*
- ** print_default.c:
- ** Print all parameters in a default file that will be given to some program.
- **
- ** Written by Monty
- */
- #include <my_global.h>
- #include <my_sys.h>
- #include <my_getopt.h>
- 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[] =
- {
- {"config-file", 'c', "The config file to be used.",
- (gptr*) &config_file, (gptr*) &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", (gptr*) &default_dbug_option,
- (gptr*) &default_dbug_option, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
- #endif
- {"defaults-file", 'c', "Synonym for --config-file.",
- (gptr*) &config_file, (gptr*) &config_file, 0, GET_STR, REQUIRED_ARG,
- 0, 0, 0, 0, 0, 0},
- {"defaults-extra-file", 'e',
- "Read this file after the global /etc config file and before the config file in the users home directory.",
- (gptr*) &defaults_extra_file, (gptr*) &defaults_extra_file, 0, GET_STR,
- REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
- {"extra-file", 'e',
- "Synonym for --defaults-extra-file.",
- (gptr*) &defaults_extra_file, (gptr*) &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 <help_start.h>
- static void usage(my_bool version)
- {
- printf("%s Ver 1.6 for %s at %sn",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 licensen");
- puts("Prints all arguments that is give to some program using the default files");
- printf("Usage: %s [OPTIONS] groupsn", my_progname);
- my_print_help(my_long_options);
- my_print_variables(my_long_options);
- printf("nExample usage:n%s --config-file=my client mysqln", my_progname);
- }
- #include <help_end.h>
- 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;
- char **load_default_groups, *tmp_arguments[3],
- **argument, **arguments;
- char *defaults, *extra_defaults;
- MY_INIT(argv[0]);
- get_defaults_files(argc, argv, &defaults, &extra_defaults);
- /*
- ** Check out the args
- */
- if (!(load_default_groups=(char**) my_malloc((argc+2)*sizeof(char*),
- MYF(MY_WME))))
- exit(1);
- if (get_options(&argc,&argv))
- exit(1);
- for (count=0; *argv ; argv++,count++)
- load_default_groups[count]= *argv;
- load_default_groups[count]=0;
- count=0;
- arguments=tmp_arguments;
- arguments[count++]=my_progname;
- if (extra_defaults)
- arguments[count++]= extra_defaults;
- if (defaults)
- arguments[count++]= defaults;
- arguments[count]= 0;
- 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);
- }