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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:07:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:07:14 +0000 |
commit | a175314c3e5827eb193872241446f2f8f5c9d33c (patch) | |
tree | cd3d60ca99ae00829c52a6ca79150a5b6e62528b /extra/my_print_defaults.c | |
parent | Initial commit. (diff) | |
download | mariadb-10.5-9e4947182e0b875da38088fdd168e775f473b8ad.tar.xz mariadb-10.5-9e4947182e0b875da38088fdd168e775f473b8ad.zip |
Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'extra/my_print_defaults.c')
-rw-r--r-- | extra/my_print_defaults.c | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/extra/my_print_defaults.c b/extra/my_print_defaults.c new file mode 100644 index 00000000..83eb0bac --- /dev/null +++ b/extra/my_print_defaults.c @@ -0,0 +1,230 @@ +/* + Copyright (c) 2000, 2011, Oracle and/or its affiliates + + 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 02110-1335 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 <m_string.h> +#include <my_getopt.h> +#include <my_default.h> +#include <mysql_version.h> + +#define load_default_groups mysqld_groups +#include <mysqld_default_groups.h> +#undef load_default_groups + +my_bool opt_mysqld; + +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[] = +{ +#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", (char**) &default_dbug_option, + (char**) &default_dbug_option, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0}, +#endif + {"defaults-file", 'c', + "Read this file only, do not read global or per-user config " + "files; should be the first option", + (char**) &config_file, (char*) &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", + (void *)&my_defaults_extra_file, (void *)&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", + (char**) &my_defaults_group_suffix, (char**) &my_defaults_group_suffix, + 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, + {"mysqld", 0, "Read the same set of groups that the mysqld binary does.", + &opt_mysqld, &opt_mysqld, 0, GET_BOOL, NO_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} +}; + +static void cleanup_and_exit(int exit_code) __attribute__ ((noreturn)); +static void cleanup_and_exit(int exit_code) +{ + my_end(0); + exit(exit_code); +} + +static void version() +{ + printf("%s Ver 1.7 for %s at %s\n",my_progname,SYSTEM_TYPE, MACHINE_TYPE); +} + + +static void usage() __attribute__ ((noreturn)); +static void usage() +{ + version(); + 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("Displays the options from option groups of option files, which is useful to see which options a particular tool will use"); + 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 client-server mysql\n", my_progname); + cleanup_and_exit(0); +} + + +static my_bool +get_one_option(const struct my_option *opt __attribute__((unused)), + const char *argument __attribute__((unused)), + const char *filename) +{ + switch (opt->id) { + case 'c': + opt_defaults_file_used= 1; + break; + case 'n': + cleanup_and_exit(0); + case 'I': + case '?': + usage(); + case 'v': + verbose++; + break; + case 'V': + version(); + /* fall through */ + 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); + + return 0; +} + +static char *make_args(const char *s1, const char *s2) +{ + char *s= malloc(strlen(s1) + strlen(s2) + 1); + strmov(strmov(s, s1), s2); + return s; +} + +int main(int argc, char **argv) +{ + int count= 0, error, no_defaults= 0; + char **load_default_groups= 0, *tmp_arguments[6]; + char **argument, **arguments, **org_argv; + int nargs, i= 0; + MY_INIT(argv[0]); + + org_argv= argv; + if (*argv && !strcmp(*argv, "--no-defaults")) + { + argv++; + ++count; + no_defaults= 1; + } + /* Copy program name and --no-defaults if present*/ + arguments= tmp_arguments; + memcpy((char*) arguments, (char*) org_argv, (++count)*sizeof(*org_argv)); + arguments[count]= 0; + + /* Check out the args */ + if (get_options(&argc,&argv)) + cleanup_and_exit(1); + + if (!no_defaults) + { + if (opt_defaults_file_used) + arguments[count++]= make_args("--defaults-file=", config_file); + if (my_defaults_extra_file) + arguments[count++]= make_args("--defaults-extra-file=", + my_defaults_extra_file); + if (my_defaults_group_suffix) + arguments[count++]= make_args("--defaults-group-suffix=", + my_defaults_group_suffix); + arguments[count]= 0; + } + + nargs= argc + 1; + if (opt_mysqld) + nargs+= array_elements(mysqld_groups); + + if (nargs < 2) + usage(); + + load_default_groups=(char**) my_malloc(PSI_NOT_INSTRUMENTED, + nargs*sizeof(char*), MYF(MY_WME)); + if (!load_default_groups) + exit(1); + if (opt_mysqld) + { + for (; mysqld_groups[i]; i++) + load_default_groups[i]= (char*) mysqld_groups[i]; + } + memcpy(load_default_groups + i, argv, (argc + 1) * sizeof(*argv)); + if ((error= load_defaults(config_file, (const char **) load_default_groups, + &count, &arguments))) + { + my_end(0); + if (error == 4) + return 0; + 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); + } + return 2; + } + + for (argument= arguments+1 ; *argument ; argument++) + puts(*argument); + my_free(load_default_groups); + free_defaults(arguments); + my_end(0); + exit(0); +} |