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author | Andi Gutmans <andi@php.net> | 2000-08-22 18:01:28 +0000 |
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committer | Andi Gutmans <andi@php.net> | 2000-08-22 18:01:28 +0000 |
commit | 8ba5d5ef9cce57e6c2c73bd5cd95acb444b10a58 (patch) | |
tree | db5dc1600c896b01ad7f32602962bc00e74dc955 /ext/mysql/libmysql/charset.c | |
parent | 0222b7ab416d845abcd3925b3da47fa2d7ed238d (diff) | |
download | php-git-8ba5d5ef9cce57e6c2c73bd5cd95acb444b10a58.tar.gz |
- Remove new libmysql files
Diffstat (limited to 'ext/mysql/libmysql/charset.c')
-rw-r--r-- | ext/mysql/libmysql/charset.c | 532 |
1 files changed, 0 insertions, 532 deletions
diff --git a/ext/mysql/libmysql/charset.c b/ext/mysql/libmysql/charset.c deleted file mode 100644 index bf51184589..0000000000 --- a/ext/mysql/libmysql/charset.c +++ /dev/null @@ -1,532 +0,0 @@ -/* 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 */ - -#include "mysys_priv.h" -#include "mysys_err.h" -#include <m_ctype.h> -#include <m_string.h> -#include <my_dir.h> - -const char *charsets_dir = NULL; -static DYNAMIC_ARRAY cs_info_table; -static TYPELIB available_charsets; -static int charset_initialized=0; - -#define MAX_LINE 1024 - -#define CTYPE_TABLE_SIZE 257 -#define TO_LOWER_TABLE_SIZE 256 -#define TO_UPPER_TABLE_SIZE 256 -#define SORT_ORDER_TABLE_SIZE 256 - -struct simpleconfig_buf_st { - FILE *f; - char buf[MAX_LINE]; - char *p; -}; - -/* Defined in strings/ctype.c */ - -CHARSET_INFO *find_compiled_charset(uint cs_number); -uint compiled_charset_number(const char *name); -const char *compiled_charset_name(uint charset_number); - - -static my_bool get_word(struct simpleconfig_buf_st *fb, char *buf) -{ - char *endptr=fb->p; - - for (;;) - { - while (isspace(*endptr)) - ++endptr; - if (*endptr && *endptr != '#') /* Not comment */ - break; /* Found something */ - if ((fgets(fb->buf, sizeof(fb->buf), fb->f)) == NULL) - return TRUE; /* end of file */ - endptr = fb->buf; - } - - while (!isspace(*endptr)) - *buf++= *endptr++; - *buf=0; - fb->p = endptr; - - return FALSE; -} - - -static char *get_charsets_dir(char *buf) -{ - const char *sharedir = SHAREDIR; - DBUG_ENTER("get_charsets_dir"); - - if (charsets_dir != NULL) - strnmov(buf, charsets_dir, FN_REFLEN); - else - { - if (test_if_hard_path(sharedir) || - is_prefix(sharedir, DEFAULT_CHARSET_HOME)) - strxmov(buf, sharedir, "/", CHARSET_DIR, NullS); - else - strxmov(buf, DEFAULT_CHARSET_HOME, "/", sharedir, "/", CHARSET_DIR, - NullS); - } - convert_dirname(buf); - DBUG_PRINT("info",("charsets dir='%s'", buf)); - DBUG_RETURN(strend(buf)); -} - - -static my_bool read_charset_index(TYPELIB *charsets, myf myflags) -{ - struct simpleconfig_buf_st fb; - char buf[MAX_LINE]; - DYNAMIC_ARRAY cs; - my_string s; - - strmov(get_charsets_dir(buf), "Index"); - - if ((fb.f = my_fopen(buf, O_RDONLY, myflags)) == NULL) - return TRUE; - fb.buf[0] = '\0'; - fb.p = fb.buf; - - if (init_dynamic_array(&cs, sizeof(my_string), 32, 32)) - return TRUE; - - while (!get_word(&fb, buf)) - { - uint length; - if (!(s= (char*) my_once_alloc(length= (uint) strlen(buf)+1, myflags))) - { - my_fclose(fb.f,myflags); - return TRUE; - } - memcpy(s,buf,length); - insert_dynamic(&cs, (gptr) &s); - } - my_fclose(fb.f,myflags); - - /* I seriously doubt this is the best way to initialize this - * TYPELIB from the Index file. But it's the best way I could - * come up with right now. */ - - charsets->count = cs.elements; - charsets->name = ""; - if (!(charsets->type_names = - (const char **) my_once_alloc((cs.elements + 1) * sizeof(const char *), - myflags))) - return TRUE; - /* unwarranted chumminess with dynamic_array implementation? */ - memcpy((char*) charsets->type_names, cs.buffer, - cs.elements * sizeof(my_string *)); - charsets->type_names[cs.elements] = NullS; - delete_dynamic(&cs); - - return FALSE; -} - - -static my_bool init_available_charsets(myf myflags) -{ - my_bool error=0; - /* - We have to use charset_initialized to not lock on THR_LOCK_charset - inside get_internal_charset... - */ - if (!charset_initialized) - { - /* - To make things thread safe we are not allowing other threads to interfere - while we may changing the cs_info_table - */ - pthread_mutex_lock(&THR_LOCK_charset); - if (!cs_info_table.buffer) /* If not initialized */ - { - init_dynamic_array(&cs_info_table, sizeof(CHARSET_INFO*), 16, 8); - error = read_charset_index(&available_charsets, myflags); - } - charset_initialized=1; - pthread_mutex_unlock(&THR_LOCK_charset); - } - return error || available_charsets.count == 0; -} - - -void free_charsets(void) -{ - delete_dynamic(&cs_info_table); -} - - -static my_bool fill_array(uchar *array, int sz, struct simpleconfig_buf_st *fb) -{ - char buf[MAX_LINE]; - while (sz--) - { - if (get_word(fb, buf)) - { - DBUG_PRINT("error",("get_word failed, expecting %d more words", sz + 1)); - return 1; - } - *array++ = (uchar) strtol(buf, NULL, 16); - } - return 0; -} - - -static void get_charset_conf_name(uint cs_number, char *buf) -{ - strxmov(get_charsets_dir(buf), - get_type(&available_charsets, cs_number - 1), ".conf", NullS); -} - - -static my_bool read_charset_file(uint cs_number, CHARSET_INFO *set, - myf myflags) -{ - struct simpleconfig_buf_st fb; - char buf[FN_REFLEN]; - my_bool result; - DBUG_ENTER("read_charset_file"); - DBUG_PRINT("enter",("cs_number: %d", cs_number)); - - if (cs_number <= 0) - DBUG_RETURN(TRUE); - - get_charset_conf_name(cs_number, buf); - DBUG_PRINT("info",("file name: %s", buf)); - - if ((fb.f = my_fopen(buf, O_RDONLY, myflags)) == NULL) - DBUG_RETURN(TRUE); - - fb.buf[0] = '\0'; /* Init for get_word */ - fb.p = fb.buf; - - result=FALSE; - if (fill_array(set->ctype, CTYPE_TABLE_SIZE, &fb) || - fill_array(set->to_lower, TO_LOWER_TABLE_SIZE, &fb) || - fill_array(set->to_upper, TO_UPPER_TABLE_SIZE, &fb) || - fill_array(set->sort_order, SORT_ORDER_TABLE_SIZE, &fb)) - result=TRUE; - - my_fclose(fb.f, MYF(0)); - DBUG_RETURN(result); -} - - -uint get_charset_number(const char *charset_name) -{ - my_bool error; - error = init_available_charsets(MYF(0)); /* If it isn't initialized */ - if (error) - return compiled_charset_number(charset_name); - else - return find_type((char*)charset_name, &available_charsets, 1); -} - -const char *get_charset_name(uint charset_number) -{ - my_bool error; - error = init_available_charsets(MYF(0)); /* If it isn't initialized */ - if (error) - return compiled_charset_name(charset_number); - else - return get_type(&available_charsets, charset_number - 1); -} - - -static CHARSET_INFO *find_charset(CHARSET_INFO **table, uint cs_number, - size_t tablesz) -{ - uint i; - for (i = 0; i < tablesz; ++i) - if (table[i]->number == cs_number) - return table[i]; - return NULL; -} - -static CHARSET_INFO *find_charset_by_name(CHARSET_INFO **table, const char *name, - size_t tablesz) -{ - uint i; - for (i = 0; i < tablesz; ++i) - if (!strcmp(table[i]->name,name)) - return table[i]; - return NULL; -} - -static CHARSET_INFO *add_charset(uint cs_number, const char *cs_name) -{ - CHARSET_INFO tmp_cs,*cs; - uchar tmp_ctype[CTYPE_TABLE_SIZE]; - uchar tmp_to_lower[TO_LOWER_TABLE_SIZE]; - uchar tmp_to_upper[TO_UPPER_TABLE_SIZE]; - uchar tmp_sort_order[SORT_ORDER_TABLE_SIZE]; - - /* Don't allocate memory if we are not sure we can find the char set */ - cs= &tmp_cs; - bzero((char*) cs, sizeof(*cs)); - cs->ctype=tmp_ctype; - cs->to_lower=tmp_to_lower; - cs->to_upper=tmp_to_upper; - cs->sort_order=tmp_sort_order; - if (read_charset_file(cs_number, cs, MYF(MY_WME))) - return NULL; - - cs = (CHARSET_INFO*) my_once_alloc(sizeof(CHARSET_INFO), - MYF(MY_WME)); - *cs=tmp_cs; - cs->name = (char *) my_once_alloc((uint) strlen(cs_name)+1, MYF(MY_WME)); - cs->ctype = (uchar*) my_once_alloc(CTYPE_TABLE_SIZE, MYF(MY_WME)); - cs->to_lower = (uchar*) my_once_alloc(TO_LOWER_TABLE_SIZE, MYF(MY_WME)); - cs->to_upper = (uchar*) my_once_alloc(TO_UPPER_TABLE_SIZE, MYF(MY_WME)); - cs->sort_order=(uchar*) my_once_alloc(SORT_ORDER_TABLE_SIZE, MYF(MY_WME)); - cs->number = cs_number; - memcpy((char*) cs->name, (char*) cs_name, strlen(cs_name) + 1); - memcpy((char*) cs->ctype, (char*) tmp_ctype, sizeof(tmp_ctype)); - memcpy((char*) cs->to_lower, (char*) tmp_to_lower, sizeof(tmp_to_lower)); - memcpy((char*) cs->to_upper, (char*) tmp_to_upper, sizeof(tmp_to_upper)); - memcpy((char*) cs->sort_order, (char*) tmp_sort_order, - sizeof(tmp_sort_order)); - insert_dynamic(&cs_info_table, (gptr) &cs); - return cs; -} - -static CHARSET_INFO *get_internal_charset(uint cs_number) -{ - CHARSET_INFO *cs; - /* - To make things thread safe we are not allowing other threads to interfere - while we may changing the cs_info_table - */ - pthread_mutex_lock(&THR_LOCK_charset); - if (!(cs = find_charset((CHARSET_INFO**) cs_info_table.buffer, cs_number, - cs_info_table.elements))) - if (!(cs = find_compiled_charset(cs_number))) - cs=add_charset(cs_number, get_charset_name(cs_number)); - pthread_mutex_unlock(&THR_LOCK_charset); - return cs; -} - - -static CHARSET_INFO *get_internal_charset_by_name(const char *name) -{ - CHARSET_INFO *cs; - /* - To make things thread safe we are not allowing other threads to interfere - while we may changing the cs_info_table - */ - pthread_mutex_lock(&THR_LOCK_charset); - if (!(cs = find_charset_by_name((CHARSET_INFO**) cs_info_table.buffer, name, - cs_info_table.elements))) - if (!(cs = find_compiled_charset_by_name(name))) - cs=add_charset(get_charset_number(name), name); - pthread_mutex_unlock(&THR_LOCK_charset); - return cs; -} - - -CHARSET_INFO *get_charset(uint cs_number, myf flags) -{ - CHARSET_INFO *cs; - (void) init_available_charsets(MYF(0)); /* If it isn't initialized */ - cs=get_internal_charset(cs_number); - - if (!cs && flags & MY_WME) - { - char index_file[FN_REFLEN], cs_string[23]; - strmov(get_charsets_dir(index_file), "Index"); - cs_string[0]='#'; - int10_to_str(cs_number, cs_string+1, 10); - my_error(EE_UNKNOWN_CHARSET, MYF(ME_BELL), cs_string, index_file); - } - return cs; -} - -my_bool set_default_charset(uint cs, myf flags) -{ - CHARSET_INFO *new; - DBUG_ENTER("set_default_charset"); - DBUG_PRINT("enter",("character set: %d",(int) cs)); - new = get_charset(cs, flags); - if (!new) - { - DBUG_PRINT("error",("Couldn't set default character set")); - DBUG_RETURN(TRUE); /* error */ - } - default_charset_info = new; - DBUG_RETURN(FALSE); -} - -CHARSET_INFO *get_charset_by_name(const char *cs_name, myf flags) -{ - CHARSET_INFO *cs; - (void) init_available_charsets(MYF(0)); /* If it isn't initialized */ - cs=get_internal_charset_by_name(cs_name); - - if (!cs && (flags & MY_WME)) - { - char index_file[FN_REFLEN]; - strmov(get_charsets_dir(index_file), "Index"); - my_error(EE_UNKNOWN_CHARSET, MYF(ME_BELL), cs_name, index_file); - } - - return cs; -} - -my_bool set_default_charset_by_name(const char *cs_name, myf flags) -{ - CHARSET_INFO *new; - DBUG_ENTER("set_default_charset_by_name"); - DBUG_PRINT("enter",("character set: %s", cs_name)); - new = get_charset_by_name(cs_name, flags); - if (!new) - { - DBUG_PRINT("error",("Couldn't set default character set")); - DBUG_RETURN(TRUE); /* error */ - } - - default_charset_info = new; - DBUG_RETURN(FALSE); -} - -/* Only append name if it doesn't exist from before */ - -static my_bool charset_in_string(const char *name, DYNAMIC_STRING *s) -{ - uint length= (uint) strlen(name); - const char *pos; - for (pos=s->str ; (pos=strstr(pos,name)) ; pos++) - { - if (! pos[length] || pos[length] == ' ') - return TRUE; /* Already existed */ - } - - return FALSE; -} - -static void charset_append(DYNAMIC_STRING *s, const char *name) -{ - if (!charset_in_string(name, s)) { - dynstr_append(s, name); - dynstr_append(s, " "); - } -} - - -/* Returns a dynamically-allocated string listing the character sets - requested. The caller is responsible for freeing the memory. */ - -char * list_charsets(myf want_flags) -{ - DYNAMIC_STRING s; - char *p; - - init_dynamic_string(&s, NullS, 256, 1024); - - if (want_flags & MY_COMPILED_SETS) - { - CHARSET_INFO *cs; - for (cs = compiled_charsets; cs->number > 0; cs++) - { - dynstr_append(&s, cs->name); - dynstr_append(&s, " "); - } - } - - if (want_flags & MY_CONFIG_SETS) - { - uint i; - const char *cs_name; - char buf[FN_REFLEN]; - MY_STAT stat; - - for (i = 0; i < available_charsets.count; i++) - { - cs_name = get_type(&available_charsets, i); - if (charset_in_string(cs_name, &s)) - continue; - get_charset_conf_name(i + 1, buf); - if (!my_stat(buf, &stat, MYF(0))) - continue; /* conf file doesn't exist */ - dynstr_append(&s, cs_name); - dynstr_append(&s, " "); - } - } - - if (want_flags & MY_INDEX_SETS) - { - uint i; - for (i = 0; i < available_charsets.count; i++) - charset_append(&s, get_type(&available_charsets, i)); - } - - if (want_flags & MY_LOADED_SETS) - { - uint i; - for (i = 0; i < cs_info_table.elements; i++) - charset_append(&s, - dynamic_element(&cs_info_table, i, CHARSET_INFO *)->name); - } - s.str[s.length - 1] = '\0'; /* chop trailing space */ - p = my_strdup(s.str, MYF(MY_WME)); - dynstr_free(&s); - - return p; -} - -/**************************************************************************** -* Code for debugging. -****************************************************************************/ - - -static void _print_array(uint8 *data, uint size) -{ - uint i; - for (i = 0; i < size; ++i) - { - if (i == 0 || i % 16 == size % 16) printf(" "); - printf(" %02x", data[i]); - if ((i+1) % 16 == size % 16) printf("\n"); - } -} - -/* _print_csinfo is called from test_charset.c */ -void _print_csinfo(CHARSET_INFO *cs) -{ - printf("%s #%d\n", cs->name, cs->number); - printf("ctype:\n"); _print_array(cs->ctype, 257); - printf("to_lower:\n"); _print_array(cs->to_lower, 256); - printf("to_upper:\n"); _print_array(cs->to_upper, 256); - printf("sort_order:\n"); _print_array(cs->sort_order, 256); - printf("collate: %3s (%d, %p, %p, %p, %p, %p)\n", - cs->strxfrm_multiply ? "yes" : "no", - cs->strxfrm_multiply, - cs->strcoll, - cs->strxfrm, - cs->strnncoll, - cs->strnxfrm, - cs->like_range); - printf("multi-byte: %3s (%d, %p, %p, %p)\n", - cs->mbmaxlen ? "yes" : "no", - cs->mbmaxlen, - cs->ismbchar, - cs->ismbhead, - cs->mbcharlen); -} |