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-rw-r--r--strings/ctype-simple.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/strings/ctype-simple.c b/strings/ctype-simple.c
new file mode 100644
index 00000000000..19989afea60
--- /dev/null
+++ b/strings/ctype-simple.c
@@ -0,0 +1,116 @@
+/* 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 */
+
+#include <my_global.h>
+#include "m_ctype.h"
+#include "dbug.h"
+#include "assert.h"
+
+int my_strnxfrm_simple(CHARSET_INFO * cs,
+ char *dest, uint len,
+ const char *src, uint srclen)
+{
+ DBUG_ASSERT(len >= srclen);
+
+ for ( ; len > 0 ; len-- )
+ *dest++= (char) cs->sort_order[(uchar) *src++];
+ return srclen;
+}
+
+int my_strnncoll_simple(CHARSET_INFO * cs,const char *s, uint slen,
+ const char *t, uint tlen)
+{
+ int len = ( slen > tlen ) ? tlen : slen;
+ while (len--)
+ {
+ if (cs->sort_order[(uchar) *s++] != cs->sort_order[(uchar) *t++])
+ return ((int) cs->sort_order[(uchar) s[-1]] -
+ (int) cs->sort_order[(uchar) t[-1]]);
+ }
+ return (int) (slen-tlen);
+}
+
+
+void my_caseup_str_8bit(CHARSET_INFO * cs,char *str)
+{
+ register uchar *map=cs->to_upper;
+ while ((*str = (char) map[(uchar) *str]) != 0)
+ str++;
+}
+
+
+void my_casedn_str_8bit(CHARSET_INFO * cs,char *str)
+{
+ register uchar *map=cs->to_lower;
+ while ((*str = (char) map[(uchar)*str]) != 0)
+ str++;
+}
+
+
+void my_caseup_8bit(CHARSET_INFO * cs, char *str, uint length)
+{
+ register uchar *map=cs->to_upper;
+ for ( ; length>0 ; length--, str++)
+ *str= (char) map[(uchar)*str];
+}
+
+void my_casedn_8bit(CHARSET_INFO * cs, char *str, uint length)
+{
+ register uchar *map=cs->to_lower;
+ for ( ; length>0 ; length--, str++)
+ *str= (char) map[(uchar) *str];
+}
+
+
+int my_strcasecmp_8bit(CHARSET_INFO * cs,const char *s, const char *t)
+{
+ register uchar *map=cs->to_upper;
+ while (map[(uchar) *s] == map[(uchar) *t++])
+ if (!*s++) return 0;
+ return ((int) map[(uchar) s[0]] - (int) map[(uchar) t[-1]]);
+}
+
+
+int my_strncasecmp_8bit(CHARSET_INFO * cs,
+ const char *s, const char *t, uint len)
+{
+ register uchar *map=cs->to_upper;
+ while (len-- != 0 && map[(uchar)*s++] == map[(uchar)*t++]) ;
+ return (int) len+1;
+}
+
+int my_mb_wc_8bit(CHARSET_INFO *cs,my_wc_t *wc,
+ const unsigned char *str,
+ const unsigned char *end __attribute__((unused)))
+{
+ *wc=cs->tab_to_uni[*str];
+ return (!wc[0] && str[0]) ? MY_CS_ILSEQ : 1;
+}
+
+int my_wc_mb_8bit(CHARSET_INFO *cs,my_wc_t wc,
+ unsigned char *s,
+ unsigned char *e __attribute__((unused)))
+{
+ MY_UNI_IDX *idx;
+
+ for(idx=cs->tab_from_uni; idx->tab ; idx++){
+ if(idx->from<=wc && idx->to>=wc){
+ s[0]=idx->tab[wc-idx->from];
+ return (!s[0] && wc) ? MY_CS_ILUNI : 1;
+ }
+ }
+ return MY_CS_ILUNI;
+}