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Added my_getopt struct and modified myisamchk to the bk tree.

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jani@rhols221.adsl.netsonic.fi
2002-01-25 23:34:37 +02:00
parent b66cc56a0d
commit 40fcae6d4b
7 changed files with 658 additions and 187 deletions
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1
BitKeeper/etc/logging_ok
View File

@ -42,3 +42,4 @@ bell@sanja.is.com.ua
kaj@work.mysql.com
mwagner@cash.mwagner.org
tom@basil-firewall.home.com
jani@rhols221.adsl.netsonic.fi

2
include/Makefile.am
View File

@ -28,7 +28,7 @@ noinst_HEADERS = config-win.h \
my_dir.h mysys_err.h my_base.h \
my_nosys.h my_alarm.h queues.h \
my_tree.h hash.h thr_alarm.h thr_lock.h \
getopt.h t_ctype.h violite.h md5.h \
getopt.h my_getopt.h t_ctype.h violite.h md5.h \
mysql_version.h.in
# mysql_version.h are generated

46
include/my_getopt.h Normal file
View File

@ -0,0 +1,46 @@
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult 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 */
struct my_optarg
{
char *arg; /* option argument */
int pos; /* next element in ARGV */
int verbose; /* 0 = inhibit warnings of unrecognized options */
int unrecognized; /* position of the unrecognized option */
};
enum get_opt_var_type { GET_NO_ARG, GET_INT, GET_LL, GET_STR };
enum get_opt_arg_type { NO_ARG, OPT_ARG, REQUIRED_ARG };
struct my_option
{
const char *name; /* Name of the option */
const char *comment; /* option comment, for autom. --help */
char *value; /* The variable value */
const char **str_values; /* Pointer to possible values */
enum get_opt_var_type var_type;
enum get_opt_arg_type arg_type;
int id; /* unique id or short option */
long long def_value; /* Default value */
long long min_value; /* Min allowed value */
long long max_value; /* Max allowed value */
long long sub_size; /* Subtract this from given value */
long block_size; /* Value should be a mult. of this */
int app_type; /* To be used by an application */
my_bool changeable_var; /* If true, the option is a variable */
};

404
myisam/myisamchk.c
View File

@ -20,7 +20,7 @@
#include <m_ctype.h>
#include <stdarg.h>
#include <getopt.h>
#include <my_getopt.h>
#include <assert.h>
#ifdef HAVE_SYS_VADVICE_H
#include <sys/vadvise.h>
@ -169,58 +169,75 @@ static CHANGEABLE_VAR changeable_vars[] = {
enum options {
OPT_CHARSETS_DIR=256, OPT_SET_CHARSET,OPT_START_CHECK_POS,
OPT_CORRECT_CHECKSUM
OPT_CORRECT_CHECKSUM, OPT_KEY_BUFFER_SIZE, OPT_MYISAM_BLOCK_SIZE,
OPT_READ_BUFFER_SIZE, OPT_WRITE_BUFFER_SIZE, OPT_SORT_BUFFER_SIZE,
OPT_SORT_KEY_BLOCKS, OPT_DECODE_BITS, OPT_FT_MIN_WORD_LEN,
OPT_FT_MAX_WORD_LEN, OPT_FT_MAX_WORD_LEN_FOR_SORT
};
static struct option long_options[] =
static struct my_option my_long_options[] =
{
{"analyze", no_argument, 0, 'a'},
{"block-search", required_argument,0, 'b'},
{"backup", no_argument, 0, 'B'},
{"character-sets-dir",required_argument,0, OPT_CHARSETS_DIR},
{"check", no_argument, 0, 'c'},
{"check-only-changed",no_argument, 0, 'C'},
{"correct-checksum", no_argument, 0, OPT_CORRECT_CHECKSUM},
{"analyze", "", 0, 0, GET_NO_ARG, NO_ARG, 'a', 0, 0, 0, 0, 0, 0, 0},
{"block-search", "", 0, 0, GET_LL, REQUIRED_ARG, 'b', 0, 0, 0, 0, 0, 0, 0},
{"backup", "", 0, 0, GET_NO_ARG, NO_ARG, 'B', 0, 0, 0, 0, 0, 0, 0},
{"character-sets-dir", "", 0, 0, GET_STR, REQUIRED_ARG, OPT_CHARSETS_DIR, 0, 0, 0, 0, 0, 0, 0},
{"check", "", 0, 0, GET_NO_ARG, NO_ARG, 'c', 0, 0, 0, 0, 0, 0, 0},
{"check-only-changed", "", 0, 0, GET_NO_ARG, NO_ARG, 'C', 0, 0, 0, 0, 0, 0, 0},
{"correct-checksum", "", 0, 0, GET_NO_ARG, NO_ARG, OPT_CORRECT_CHECKSUM, 0, 0, 0, 0, 0, 0, 0},
#ifndef DBUG_OFF
{"debug", optional_argument, 0, '#'},
{"debug", "", 0, 0, GET_STR, OPT_ARG, '#', 0, 0, 0, 0, 0, 0, 0},
#endif
{"description", no_argument, 0, 'd'},
{"data-file-length", required_argument, 0, 'D'},
{"extend-check", no_argument, 0, 'e'},
{"fast", no_argument, 0, 'F'},
{"force", no_argument, 0, 'f'},
{"help", no_argument, 0, '?'},
{"information", no_argument, 0, 'i'},
{"keys-used", required_argument, 0, 'k'},
{"medium-check", no_argument, 0, 'm'},
{"quick", no_argument, 0, 'q'},
{"read-only", no_argument, 0, 'T'},
{"recover", no_argument, 0, 'r'},
{"safe-recover", no_argument, 0, 'o'},
{"start-check-pos", required_argument, 0, OPT_START_CHECK_POS},
{"set-auto-increment",optional_argument, 0, 'A'},
{"set-character-set",required_argument,0,OPT_SET_CHARSET},
{"set-variable", required_argument, 0, 'O'},
{"silent", no_argument, 0, 's'},
{"sort-index", no_argument, 0, 'S'},
{"sort-records", required_argument, 0, 'R'},
{"sort-recover", no_argument, 0, 'n'},
{"tmpdir", required_argument, 0, 't'},
{"update-state", no_argument, 0, 'U'},
{"unpack", no_argument, 0, 'u'},
{"verbose", no_argument, 0, 'v'},
{"version", no_argument, 0, 'V'},
{"wait", no_argument, 0, 'w'},
{0, 0, 0, 0}
{"description", "", 0, 0, GET_NO_ARG, NO_ARG, 'd', 0, 0, 0, 0, 0, 0, 0},
{"data-file-length", "", 0, 0, GET_LL, REQUIRED_ARG, 'D', 0, 0, 0, 0, 0, 0, 0},
{"extend-check", "", 0, 0, GET_NO_ARG, NO_ARG, 'e', 0, 0, 0, 0, 0, 0, 0},
{"fast", "", 0, 0, GET_NO_ARG, NO_ARG, 'F', 0, 0, 0, 0, 0, 0, 0},
{"force", "", 0, 0, GET_NO_ARG, NO_ARG, 'f', 0, 0, 0, 0, 0, 0, 0},
{"help", "", 0, 0, GET_NO_ARG, NO_ARG, '?', 0, 0, 0, 0, 0, 0, 0},
{"information", "", 0, 0, GET_NO_ARG, NO_ARG, 'i', 0, 0, 0, 0, 0, 0, 0},
{"keys-used", "", 0, 0, GET_LL, REQUIRED_ARG, 'k', 0, 0, 0, 0, 0, 0, 0},
{"medium-check", "", 0, 0, GET_NO_ARG, NO_ARG, 'm', 0, 0, 0, 0, 0, 0, 0},
{"quick", "", 0, 0, GET_NO_ARG, NO_ARG, 'q', 0, 0, 0, 0, 0, 0, 0},
{"read-only", "", 0, 0, GET_NO_ARG, NO_ARG, 'T', 0, 0, 0, 0, 0, 0, 0},
{"recover", "", 0, 0, GET_NO_ARG, NO_ARG, 'r', 0, 0, 0, 0, 0, 0, 0},
{"safe-recover", "", 0, 0, GET_NO_ARG, NO_ARG, 'o', 0, 0, 0, 0, 0, 0, 0},
{"start-check-pos", "", 0, 0, GET_LL, REQUIRED_ARG, OPT_START_CHECK_POS, 0, 0, 0, 0, 0, 0, 0},
{"set-auto-increment", "", 0, 0, GET_LL, OPT_ARG, 'A', 0, 0, 0, 0, 0, 0, 0},
{"set-character-set", "", 0, 0, GET_STR, REQUIRED_ARG, OPT_SET_CHARSET, 0, 0, 0, 0, 0, 0, 0},
{"set-variable", "", 0, 0, GET_STR, REQUIRED_ARG, 'O', 0, 0, 0, 0, 0, 0, 0},
{"silent", "", 0, 0, GET_NO_ARG, NO_ARG, 's', 0, 0, 0, 0, 0, 0, 0},
{"sort-index", "", 0, 0, GET_NO_ARG, NO_ARG, 'S', 0, 0, 0, 0, 0, 0, 0},
{"sort-records", "", 0, 0, GET_INT, REQUIRED_ARG, 'R', 0, 0, 0, 0, 0, 0, 0},
{"sort-recover", "", 0, 0, GET_NO_ARG, NO_ARG, 'n', 0, 0, 0, 0, 0, 0, 0},
{"tmpdir", "", 0, 0, GET_STR, REQUIRED_ARG, 't', 0, 0, 0, 0, 0, 0, 0},
{"update-state", "", 0, 0, GET_NO_ARG, NO_ARG, 'U', 0, 0, 0, 0, 0, 0, 0},
{"unpack", "", 0, 0, GET_NO_ARG, NO_ARG, 'u', 0, 0, 0, 0, 0, 0, 0},
{"verbose", "", 0, 0, GET_NO_ARG, NO_ARG, 'v', 0, 0, 0, 0, 0, 0, 0},
{"version", "", 0, 0, GET_NO_ARG, NO_ARG, 'V', 0, 0, 0, 0, 0, 0, 0},
{"wait", "", 0, 0, GET_NO_ARG, NO_ARG, 'w', 0, 0, 0, 0, 0, 0, 0},
/* variables begin here */
{ "key_buffer_size", "", 0, 0, GET_LL, REQUIRED_ARG, OPT_KEY_BUFFER_SIZE, 0, 0, 0, 0, 0, 0, 1},
{ "myisam_block_size", "", 0, 0, GET_LL, REQUIRED_ARG, OPT_MYISAM_BLOCK_SIZE, 0, 0, 0, 0, 0, 0, 1},
{ "read_buffer_size", "", 0, 0, GET_LL, REQUIRED_ARG, OPT_READ_BUFFER_SIZE, 0, 0, 0, 0, 0, 0, 1},
{ "write_buffer_size", "", 0, 0, GET_LL, REQUIRED_ARG, OPT_WRITE_BUFFER_SIZE, 0, 0, 0, 0, 0, 0, 1},
{ "sort_buffer_size", "", 0, 0, GET_LL, REQUIRED_ARG, OPT_SORT_BUFFER_SIZE, 0, 0, 0, 0, 0, 0, 1},
{ "sort_key_blocks", "", 0, 0, GET_LL, REQUIRED_ARG, OPT_SORT_KEY_BLOCKS, 0, 0, 0, 0, 0, 0, 1},
{ "decode_bits", "", 0, 0, GET_LL, REQUIRED_ARG, OPT_DECODE_BITS, 0, 0, 0, 0, 0, 0, 1},
{ "ft_min_word_len", "", 0, 0, GET_LL, REQUIRED_ARG, OPT_FT_MIN_WORD_LEN, 0, 0, 0, 0, 0, 0, 1},
{ "ft_max_word_len", "", 0, 0, GET_LL, REQUIRED_ARG, OPT_FT_MAX_WORD_LEN, 0, 0, 0, 0, 0, 0, 1},
{ "ft_max_word_len_for_sort", "", 0, 0, GET_LL, REQUIRED_ARG, OPT_FT_MAX_WORD_LEN_FOR_SORT, 0, 0, 0, 0, 0, 0, 1},
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
};
static void print_version(void)
{
printf("%s Ver 2.0 for %s at %s\n",my_progname,SYSTEM_TYPE,
printf("%s Ver 2.1 for %s at %s\n", my_progname, SYSTEM_TYPE,
MACHINE_TYPE);
}
static void usage(void)
{
uint i;
@ -315,163 +332,182 @@ static void usage(void)
/* Read options */
static my_bool get_one_option(int optid, const struct my_option *opt,
char *argument)
{
uint old_testflag;
char buff[255], *end;
switch(optid) {
case 'a':
check_param.testflag|= T_STATISTICS;
break;
case 'A':
if (argument)
check_param.auto_increment_value=strtoull(argument, NULL, 0);
else
check_param.auto_increment_value=0; /* Set to max used value */
check_param.testflag|= T_AUTO_INC;
break;
case 'b':
check_param.search_after_block=strtoul(argument, NULL, 10);
break;
case 'B':
check_param.testflag|= T_BACKUP_DATA;
break;
case 'c':
check_param.testflag|= T_CHECK;
break;
case 'C':
check_param.testflag|= T_CHECK | T_CHECK_ONLY_CHANGED;
break;
case 'D':
check_param.max_data_file_length=strtoll(argument, NULL, 10);
break;
case 's': /* silent */
if (check_param.testflag & T_SILENT)
check_param.testflag|=T_VERY_SILENT;
check_param.testflag|= T_SILENT;
check_param.testflag&= ~T_WRITE_LOOP;
break;
case 'w':
check_param.testflag|= T_WAIT_FOREVER;
break;
case 'd': /* description if isam-file */
check_param.testflag|= T_DESCRIPT;
break;
case 'e': /* extend check */
check_param.testflag|= T_EXTEND;
break;
case 'i':
check_param.testflag|= T_INFO;
break;
case 'f':
check_param.tmpfile_createflag= O_RDWR | O_TRUNC;
check_param.testflag|= T_FORCE_CREATE | T_UPDATE_STATE;
break;
case 'F':
check_param.testflag|=T_FAST;
break;
case 'k':
check_param.keys_in_use= (ulonglong) strtoll(argument, NULL, 10);
break;
case 'm':
check_param.testflag|= T_MEDIUM; /* Medium check */
break;
case 'r': /* Repair table */
check_param.testflag= (check_param.testflag & ~T_REP) | T_REP_BY_SORT;
break;
case 'o':
check_param.testflag= (check_param.testflag & ~T_REP_BY_SORT) | T_REP;
check_param.force_sort=0;
my_disable_async_io=1; /* More safety */
break;
case 'n':
check_param.testflag= (check_param.testflag & ~T_REP) | T_REP_BY_SORT;
check_param.force_sort=1;
break;
case 'q':
check_param.opt_rep_quick++;
break;
case 'u':
check_param.testflag|= T_UNPACK | T_REP_BY_SORT;
break;
case 'v': /* Verbose */
check_param.testflag|= T_VERBOSE;
check_param.verbose++;
break;
case 'O':
/* this is a temporary fix for variables to work until my_getopt */
/* can my_set_changeable_vars */
case OPT_KEY_BUFFER_SIZE:
case OPT_MYISAM_BLOCK_SIZE:
case OPT_READ_BUFFER_SIZE:
case OPT_WRITE_BUFFER_SIZE:
case OPT_SORT_BUFFER_SIZE:
case OPT_SORT_KEY_BLOCKS:
case OPT_DECODE_BITS:
case OPT_FT_MIN_WORD_LEN:
case OPT_FT_MAX_WORD_LEN:
case OPT_FT_MAX_WORD_LEN_FOR_SORT:
end= buff;
end= strmov(strmov(strmov(end, opt->name), "="), argument);
if (set_changeable_var(buff, changeable_vars))
{
usage();
exit(1);
}
break;
case 'R': /* Sort records */
old_testflag=check_param.testflag;
check_param.testflag|= T_SORT_RECORDS;
check_param.opt_sort_key=(uint) atoi(argument) - 1;
if (check_param.opt_sort_key >= MI_MAX_KEY)
{
fprintf(stderr,
"The value of the sort key is bigger than max key: %d.\n",
MI_MAX_KEY);
exit(1);
}
break;
case 'S': /* Sort index */
old_testflag=check_param.testflag;
check_param.testflag|= T_SORT_INDEX;
break;
case 't':
check_param.tmpdir=argument;
break;
case 'T':
check_param.testflag|= T_READONLY;
break;
case 'U':
check_param.testflag|= T_UPDATE_STATE;
break;
case '#':
DBUG_PUSH(argument ? argument : "d:t:o,/tmp/myisamchk.trace");
break;
case 'V':
print_version();
exit(0);
case OPT_CORRECT_CHECKSUM:
check_param.testflag|=T_CALC_CHECKSUM;
break;
case OPT_CHARSETS_DIR:
charsets_dir= argument;
break;
case OPT_SET_CHARSET:
set_charset_name= argument;
break;
#ifdef DEBUG /* Only useful if debugging */
case OPT_START_CHECK_POS:
check_param.start_check_pos=strtoull(argument, NULL, 0);
break;
#endif
case '?':
usage();
exit(0);
}
}
static void get_options(register int *argc,register char ***argv)
{
int c,option_index=0;
uint old_testflag;
load_defaults("my",load_default_groups,argc,argv);
default_argv= *argv;
set_all_changeable_vars(changeable_vars);
if (isatty(fileno(stdout)))
check_param.testflag|=T_WRITE_LOOP;
while ((c=getopt_long(*argc,*argv,
"aBcCdeifF?lqrmnosSTuUvVw#:b:D:k:O:R:A::t:",
long_options, &option_index)) != EOF)
{
switch(c) {
case 'a':
check_param.testflag|= T_STATISTICS;
break;
case 'A':
if (optarg)
check_param.auto_increment_value=strtoull(optarg,NULL,0);
else
check_param.auto_increment_value=0; /* Set to max used value */
check_param.testflag|= T_AUTO_INC;
break;
case 'b':
check_param.search_after_block=strtoul(optarg,NULL,10);
break;
case 'B':
check_param.testflag|= T_BACKUP_DATA;
break;
case 'c':
check_param.testflag|= T_CHECK;
break;
case 'C':
check_param.testflag|= T_CHECK | T_CHECK_ONLY_CHANGED;
break;
case 'D':
check_param.max_data_file_length=strtoll(optarg,NULL,10);
break;
case 's': /* silent */
if (check_param.testflag & T_SILENT)
check_param.testflag|=T_VERY_SILENT;
check_param.testflag|= T_SILENT;
check_param.testflag&= ~T_WRITE_LOOP;
break;
case 'w':
check_param.testflag|= T_WAIT_FOREVER;
break;
case 'd': /* description if isam-file */
check_param.testflag|= T_DESCRIPT;
break;
case 'e': /* extend check */
check_param.testflag|= T_EXTEND;
break;
case 'i':
check_param.testflag|= T_INFO;
break;
case 'f':
check_param.tmpfile_createflag= O_RDWR | O_TRUNC;
check_param.testflag|= T_FORCE_CREATE | T_UPDATE_STATE;
break;
case 'F':
check_param.testflag|=T_FAST;
break;
case 'k':
check_param.keys_in_use= (ulonglong) strtoll(optarg,NULL,10);
break;
case 'm':
check_param.testflag|= T_MEDIUM; /* Medium check */
break;
case 'r': /* Repair table */
check_param.testflag= (check_param.testflag & ~T_REP) | T_REP_BY_SORT;
break;
case 'o':
check_param.testflag= (check_param.testflag & ~T_REP_BY_SORT) | T_REP;
check_param.force_sort=0;
my_disable_async_io=1; /* More safety */
break;
case 'n':
check_param.testflag= (check_param.testflag & ~T_REP) | T_REP_BY_SORT;
check_param.force_sort=1;
break;
case 'q':
check_param.opt_rep_quick++;
break;
case 'u':
check_param.testflag|= T_UNPACK | T_REP_BY_SORT;
break;
case 'v': /* Verbose */
check_param.testflag|= T_VERBOSE;
check_param.verbose++;
break;
case 'O':
if (set_changeable_var(optarg, changeable_vars))
{
usage();
exit(1);
}
break;
case 'R': /* Sort records */
old_testflag=check_param.testflag;
check_param.testflag|= T_SORT_RECORDS;
check_param.opt_sort_key=(uint) atoi(optarg)-1;
if (check_param.opt_sort_key >= MI_MAX_KEY)
{
fprintf(stderr,
"The value of the sort key is bigger than max key: %d.\n",
MI_MAX_KEY);
exit(1);
}
break;
case 'S': /* Sort index */
old_testflag=check_param.testflag;
check_param.testflag|= T_SORT_INDEX;
break;
case 't':
check_param.tmpdir=optarg;
break;
case 'T':
check_param.testflag|= T_READONLY;
break;
case 'U':
check_param.testflag|= T_UPDATE_STATE;
break;
case '#':
DBUG_PUSH(optarg ? optarg : "d:t:o,/tmp/myisamchk.trace");
break;
case 'V':
print_version();
exit(0);
case OPT_CORRECT_CHECKSUM:
check_param.testflag|=T_CALC_CHECKSUM;
break;
case OPT_CHARSETS_DIR:
charsets_dir = optarg;
break;
case OPT_SET_CHARSET:
set_charset_name=optarg;
break;
#ifdef DEBUG /* Only useful if debugging */
case OPT_START_CHECK_POS:
check_param.start_check_pos=strtoull(optarg,NULL,0);
break;
#endif
case '?':
usage();
exit(0);
}
}
if (handle_options(argc, argv, my_long_options, get_one_option))
exit(1);
/* If using repair, then update checksum if one uses --update-state */
if ((check_param.testflag & T_UPDATE_STATE) &&
(check_param.testflag & (T_REP | T_REP_BY_SORT)))
check_param.testflag|= T_CALC_CHECKSUM;
(*argc)-=optind;
(*argv)+=optind;
if (*argc == 0)
{
usage();

2
mysys/Makefile.am
View File

@ -44,7 +44,7 @@ libmysys_a_SOURCES = my_init.c my_getwd.c mf_getdate.c\
my_delete.c my_rename.c my_redel.c my_tempnam.c \
my_chsize.c my_lread.c my_lwrite.c my_clock.c \
my_quick.c my_lockmem.c my_static.c \
getopt.c getopt1.c getvar.c my_mkdir.c \
getopt.c getopt1.c my_getopt.c getvar.c my_mkdir.c \
default.c my_compress.c checksum.c raid.cc my_net.c \
my_vsnprintf.c charset.c my_bitmap.c my_bit.c md5.c
EXTRA_DIST = thr_alarm.c thr_lock.c my_pthread.c my_thr_init.c \

77
mysys/getvar.c
View File

@ -19,7 +19,7 @@
#include "mysys_priv.h"
#include <m_string.h>
#include <m_ctype.h>
#include <my_getopt.h>
/* set all changeable variables */
void set_all_changeable_vars(CHANGEABLE_VAR *vars)
@ -109,3 +109,78 @@ my_bool set_changeable_var(my_string str,CHANGEABLE_VAR *vars)
}
DBUG_RETURN(1);
}
my_bool my_set_changeable_var(my_string str, const struct my_option *vars)
{
char endchar;
my_string end;
DBUG_ENTER("my_set_changeable_var");
DBUG_PRINT("enter",("%s",str));
if (str)
{
if (!(end=strchr(str,'=')))
fprintf(stderr,"Can't find '=' in expression '%s' to option -O\n",str);
else
{
uint length,found_count=0;
const struct my_option *var, *found;
my_string var_end;
const char *name;
longlong num;
/* Skip end space from variable */
for (var_end=end ; end > str && isspace(var_end[-1]) ; var_end--) ;
length=(uint) (var_end-str);
/* Skip start space from argument */
for (end++ ; isspace(*end) ; end++) ;
for (var= vars, found= 0; (name= var->name); var++)
{
if (var->changeable_var)
{
if (!my_casecmp(name, str, length))
{
found= var; found_count++;
if (!name[length])
{
found_count=1;
break;
}
}
}
}
if (found_count == 0)
{
fprintf(stderr,"No variable match for: -O '%s'\n",str);
DBUG_RETURN(1);
}
if (found_count > 1)
{
fprintf(stderr,"Variable prefix '%*s' is not unique\n",length,str);
DBUG_RETURN(1);
}
num=strtoll(end, (char **)NULL, 10); endchar=strend(end)[-1];
if (endchar == 'k' || endchar == 'K')
num*=1024;
else if (endchar == 'm' || endchar == 'M')
num*=1024L*1024L;
else if (endchar == 'g' || endchar == 'G')
num*=1024L*1024L*1024L;
else if (!isdigit(endchar))
{
fprintf(stderr,"Unknown prefix used for variable value '%s'\n",str);
DBUG_RETURN(1);
}
if (num < (longlong) found->min_value)
num=(longlong) found->min_value;
else if (num > 0 && (ulonglong) num > (ulonglong) (ulong) found->max_value)
num=(longlong) (ulong) found->max_value;
num=((num- (longlong) found->sub_size) / (ulonglong) found->block_size);
/* (*found->varptr)= (long) (num*(ulonglong) found->block_size);*/
DBUG_RETURN(0);
}
}
DBUG_RETURN(1);
}

313
mysys/my_getopt.c Normal file
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@ -0,0 +1,313 @@
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult 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 */
#include <my_config.h>
#include <my_global.h>
#include <m_string.h>
#include <stdlib.h>
#include <my_getopt.h>
#include <assert.h>
static int sortopt (int *argc, char ***argv);
static int findopt (char *optpat, uint length,
const struct my_option **opt_res,
char **ffname);
#define DISABLE_OPTION_COUNT 2
static char *special_opt_prefix[] = {"skip", "disable", "enable", 0};
/* function: handle_options
Sort options; put options first, until special end of options (--), or
until end of argv. Parse options; check that the given option matches with
one of the options in struct 'my_option', return error in case of ambiguous
or unknown option. Check that option was given an argument if it requires
one. Call function 'get_one_option()' once for each option.
*/
extern int handle_options (int *argc, char ***argv,
const struct my_option *longopts,
my_bool (*get_one_option)(int,
const struct my_option *,
char *))
{
uint opt_found, argvpos = 0, length, spec_len, i;
my_bool end_of_options = 0, must_be_var = 0;
char *progname = *(*argv), **pos, *optend, *prev_found;
const struct my_option *optp;
(*argc)--;
(*argv)++;
for (pos = *argv; *pos; pos++)
{
char *cur_arg= *pos;
if (*cur_arg == '-' && *(cur_arg + 1) && !end_of_options) // must be opt.
{
char *argument = 0;
must_be_var= 0;
// check for long option, or --set-variable (-O)
if (*(cur_arg + 1) == '-' || *(cur_arg + 1) == 'O')
{
if (*(cur_arg + 1) == 'O' || !strncmp(cur_arg, "--set-variable", 14))
{
must_be_var= 1;
if (*(cur_arg + 1) == 'O')
{
cur_arg+= 2;
if (!(*cur_arg))
{
// the argument must be in next argv
if (!(*(pos + 1)))
{
fprintf(stderr, "%s: Option '-O' requires an argument\n",
progname);
return 4;
}
pos++;
cur_arg= *pos;
(*argc)--;
}
}
else // Option argument begins with string '--set-variable'
{
cur_arg+= 14;
if (*cur_arg == '=')
{
cur_arg++;
if (!(*cur_arg))
{
fprintf(stderr,
"%s: Option '--set-variable' requires an argument\n",
progname);
return 4;
}
}
else if (*cur_arg) // garbage, or another option. break out
{
cur_arg-= 14;
must_be_var= 0;
}
else
{
// the argument must be in next argv
if (!(*(pos + 1)))
{
fprintf(stderr,
"%s: Option '--set-variable' requires an argument\n",
progname);
return 4;
}
pos++;
cur_arg= *pos;
(*argc)--;
}
}
}
else if (!must_be_var)
{
if (!*(cur_arg + 2)) // '--' means end of options, look no further
{
end_of_options = 1;
(*argc)--;
continue;
}
cur_arg+= 2; // skip the double dash
}
for (optend = cur_arg; *optend && *optend != '='; optend++) ;
length = optend - cur_arg;
/*
Find first the right option. Return error in case of an ambiguous,
or unknown option
*/
optp = longopts;
if (!(opt_found = findopt(cur_arg, length, &optp, &prev_found)))
{
/*
Didn't find any matching option. Let's see if someone called
option with a special option prefix
*/
if (*optend != '=' && !must_be_var)
{
for (i = 0; special_opt_prefix[i]; i++)
{
spec_len = strlen(special_opt_prefix[i]);
if (!strncmp(special_opt_prefix[i], cur_arg, spec_len) &&
cur_arg[spec_len] == '-')
{
// We were called with a special prefix, we can reuse opt_found
cur_arg += (spec_len + 1);
if ((opt_found = findopt(cur_arg, length - (spec_len + 1),
&optp, &prev_found)))
{
if (opt_found > 1)
{
fprintf(stderr,
"%s: ambiguous option '--%s-%s' (--%s-%s)\n",
progname, special_opt_prefix[i], cur_arg,
special_opt_prefix[i], prev_found);
return 2;
}
if (i < DISABLE_OPTION_COUNT)
optend= "=0";
else // enable
optend= "=1";
break; // note break from the inner loop, main loop continues
}
}
}
}
if (!opt_found)
{
if (must_be_var)
{
fprintf(stderr,
"%s: unknown variable '%s'\n", progname, cur_arg);
return 7;
}
else
{
fprintf(stderr,
"%s: unknown option '--%s'\n", progname, cur_arg);
return 1;
}
}
}
if (opt_found > 1)
{
if (must_be_var)
{
fprintf(stderr, "%s: variable prefix '%s' is not unique\n",
progname, cur_arg);
return 6;
}
else
{
fprintf(stderr, "%s: ambiguous option '--%s' (%s, %s)\n",
progname, cur_arg, prev_found, optp->name);
return 2;
}
}
if (must_be_var && !optp->changeable_var)
{
fprintf(stderr, "%s: the argument to -O must be a variable\n",
progname);
return 8;
}
if (optp->arg_type == NO_ARG && *optend == '=')
{
fprintf(stderr, "%s: option '--%s' cannot take an argument\n",
progname, optp->name);
return 3;
}
else if (optp->arg_type == REQUIRED_ARG && !*optend)
{
/* Check if there are more arguments after this one */
if (!(*(pos + 1)))
{
fprintf(stderr, "%s: option '--%s' requires an argument\n",
progname, optp->name);
return 4;
}
pos++;
argument = *pos;
(*argc)--;
}
else if (*optend == '=')
argument = *(optend + 1) ? optend + 1 : "";
}
else // must be short option
{
my_bool skip;
for (skip = 0, optend = (cur_arg + 1); *optend && !skip; optend++)
{
for (optp = longopts; optp->id ; optp++)
{
if (optp->id == (int) (uchar) *optend)
{
/* Option recognized. Find next what to do with it */
if (optp->arg_type == REQUIRED_ARG || optp->arg_type == OPT_ARG)
{
if (*(optend + 1))
{
argument = (optend + 1);
/*
The rest of the option is option argument
This is in effect a jump out of this loop
*/
skip = 1;
}
else if (optp->arg_type == REQUIRED_ARG)
{
/* Check if there are more arguments after this one */
if (!(*(pos + 1)))
{
fprintf(stderr, "%s: option '-%c' requires an argument\n",
progname, optp->id);
return 4;
}
pos++;
argument = *pos;
(*argc)--;
}
}
else if (*(optend + 1)) // we are hitting many options in 1 argv
get_one_option(optp->id, optp, 0);
break;
}
}
}
}
get_one_option(optp->id, optp, argument);
(*argc)--; // option handled (short<72>or<6F>long), decrease argument count
}
else // non-option found
(*argv)[argvpos++] = cur_arg;
}
return 0;
}
/* function: findopt
Arguments: opt_pattern, length of opt_pattern, opt_struct, first found
name (ffname)
Go through all options in the my_option struct. Return number
of options found that match the pattern and in the argument
list the option found, if any. In case of ambiguous option, store
the name in ffname argument
*/
static int findopt (char *optpat, uint length,
const struct my_option **opt_res,
char **ffname)
{
int count;
struct my_option *opt= (struct my_option *) *opt_res;
for (count = 0; opt->id; opt++)
{
if (!strncmp(opt->name, optpat, length)) // match found
{
(*opt_res) = opt;
if (!count)
*ffname = (char *) opt->name; // we only need to know one prev
if (length == strlen(opt->name)) // exact match
return 1;
count++;
}
}
return count;
}