my_print_defaults.c
上传用户:tsgydb
上传日期:2007-04-14
资源大小:10674k
文件大小:4k
- /* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
-
- This library 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with this library; 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 <global.h>
- #include <my_sys.h>
- #include <getopt.h>
- const char *config_file="my"; /* Default config file */
- static struct option long_options[] =
- {
- {"config-file", required_argument, 0, 'c'},
- {"defaults-file", required_argument, 0, 'c'},
- {"defaults-extra-file", required_argument, 0, 'e'},
- {"extra-file", required_argument, 0, 'e'},
- {"no-defaults", no_argument, 0, 'n'},
- {"help", no_argument, 0, '?'},
- {"version", no_argument, 0, 'V'},
- {0, 0, 0, 0}
- };
- static void usage(my_bool version)
- {
- printf("%s Ver 1.3 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);
- printf("n
- -c, --config-file=#, --defaults-file=#n
- The config file to use (default '%s')n
- -e, --extra-file=#, --defaults-extra-file=#n
- Read this file after the global /etc config file andn
- before the config file in the users home directory.n
- -n, --no-defaults Return an empty string (useful for scripts)n
- -?, --help Display this help message and exit.n
- -V, --version Output version information and exit.n",
- config_file);
- printf("nExample usage: %s --config-file=my client mysqln",my_progname);
- }
- static int get_options(int *argc,char ***argv)
- {
- int c,option_index;
- while ((c=getopt_long(*argc,*argv,"nc:e:V?I",
- long_options, &option_index)) != EOF)
- {
- switch (c) {
- case 'c':
- config_file=optarg;
- break;
- case 'e':
- defaults_extra_file=optarg; /* Used by the load_defaults */
- break;
- case 'n':
- exit(0);
- case 'I':
- case '?':
- usage(0);
- exit(0);
- case 'V':
- usage(1);
- exit(0);
- }
- }
- (*argc)-=optind;
- (*argv)+=optind;
- if (*argc < 1)
- {
- usage(0);
- return 1;
- }
- return 0;
- }
- int main(int argc, char **argv)
- {
- int count;
- char **load_default_groups, *tmp_arguments[2],
- **argument, **arguments;
- MY_INIT(argv[0]);
- /*
- ** Check out the args
- */
- if (get_options(&argc,&argv))
- exit(1);
- if (!(load_default_groups=(char**) my_malloc((argc+2)*sizeof(char*),
- MYF(MY_WME))))
- exit(1);
- for (count=0; *argv ; argv++,count++)
- load_default_groups[count]= *argv;
- load_default_groups[count]=0;
- count=1;
- arguments=tmp_arguments;
- arguments[0]=my_progname;
- arguments[1]=0;
- load_defaults(config_file, (const char **) load_default_groups,
- &count, &arguments);
- for (argument= arguments+1 ; *argument ; argument++)
- puts(*argument);
- my_free((char*) load_default_groups,MYF(0));
- free_defaults(arguments);
- exit(0);
- }