Merge tim@work:/home/bk/mysql

into localhost.polyesthetic.msg:/usr/local/src/my/work


configure.in:
  Auto merged

configure.in

@@ -1577,15 +1577,6 @@ do
     See the Installation chapter in the Reference Manual.]);
   fi
 done
-
-default_charset_has_source=0
-for cs in $COMPILED_CHARSETS
-do
-  if test $cs = $default_charset
-  then
-    default_charset_has_source=1
-  fi
-done
   
 CHARSET_SRCS=""
 CHARSETS_NEED_SOURCE=""
@@ -1600,8 +1591,10 @@ index_file="$srcdir/sql/share/charsets/Index"
 for c in $CHARSETS
 do
   # get the charset number from $index_file
-  subpat='^'"${c}"'[[\t ]]*#'
-  number=`$AWK 'sub("'"$subpat"'", "") { print }' $index_file`
+changequote(,)dnl
+  subpat='^'"${c}"'[ 	][ 	]*\([0-9][0-9]*\)[^0-9]*$'
+  number=`sed -e "/$subpat/!d" -e 's//\1/' $index_file`
+changequote([,])dnl
   # some sanity checking....
   if test X"$number" = X
   then

mysys/charset.c

@@ -21,9 +21,14 @@
 #include <m_string.h>
 #include <my_dir.h>
 
+typedef struct cs_id_st {
+  char *name;
+  uint number;
+} CS_ID;
+
 const char *charsets_dir = NULL;
 static DYNAMIC_ARRAY cs_info_table;
-static TYPELIB available_charsets;
+static CS_ID *available_charsets;
 static int charset_initialized=0;
 
 #define MAX_LINE  1024
@@ -46,6 +51,24 @@ uint compiled_charset_number(const char *name);
 const char *compiled_charset_name(uint charset_number);
 
 
+static uint num_from_csname(CS_ID *cs, const char *name)
+{
+  CS_ID *c;
+  for (c = cs; c; ++c)
+    if (!strcmp(c->name, name))
+      return c->number;
+  return 0;   /* this mimics find_type() */
+}
+
+static char *name_from_csnum(CS_ID *cs, uint number)
+{
+  CS_ID *c;
+  for (c = cs; c; ++c)
+    if (c->number == number)
+      return c->name;
+  return "?";   /* this mimics find_type() */
+}
+
 static my_bool get_word(struct simpleconfig_buf_st *fb, char *buf)
 {
   char *endptr=fb->p;
@@ -92,12 +115,12 @@ static char *get_charsets_dir(char *buf)
 }
 
 
-static my_bool read_charset_index(TYPELIB *charsets, myf myflags)
+static my_bool read_charset_index(CS_ID **charsets, myf myflags)
 {
   struct simpleconfig_buf_st fb;
-  char buf[MAX_LINE];
+  char buf[MAX_LINE], num_buf[MAX_LINE];
   DYNAMIC_ARRAY cs;
-  my_string s;
+  CS_ID *csid;
 
   strmov(get_charsets_dir(buf), "Index");
 
@@ -106,36 +129,42 @@ static my_bool read_charset_index(TYPELIB *charsets, myf myflags)
   fb.buf[0] = '\0';
   fb.p = fb.buf;
 
-  if (init_dynamic_array(&cs, sizeof(my_string), 32, 32))
+  if (init_dynamic_array(&cs, sizeof(CS_ID *), 32, 32))
     return TRUE;
 
-  while (!get_word(&fb, buf))
+  while (!get_word(&fb, buf) && !get_word(&fb, num_buf))
   {
+    uint csnum;
     uint length;
-    if (!(s= (char*) my_once_alloc(length= (uint) strlen(buf)+1, myflags)))
+
+    if (!(csnum = atoi(num_buf)))
     {
+      /* corrupt Index file */
       my_fclose(fb.f,myflags);
       return TRUE;
     }
-    memcpy(s,buf,length);
-    insert_dynamic(&cs, (gptr) &s);
+
+    if (!(csid = (CS_ID*) my_once_alloc(sizeof(CS_ID), myflags)) ||
+        !(csid->name=
+           (char*) my_once_alloc(length= (uint) strlen(buf)+1, myflags)))
+    {
+      my_fclose(fb.f,myflags);
+      return TRUE;
+    }
+    memcpy(csid->name,buf,length);
+    csid->number = csnum;
+
+    insert_dynamic(&cs, (gptr) &csid);
   }
   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)))
+  if (!(*charsets =
+      (CS_ID *) my_once_alloc((cs.elements + 1) * sizeof(CS_ID *), 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;
+  memcpy((byte *) *charsets, cs.buffer, cs.elements * sizeof(CS_ID *));
+  (*charsets)[cs.elements] = NULL;
   delete_dynamic(&cs);  
 
   return FALSE;
@@ -164,7 +193,7 @@ static my_bool init_available_charsets(myf myflags)
     charset_initialized=1;
     pthread_mutex_unlock(&THR_LOCK_charset);
   }
-  return error || available_charsets.count == 0;
+  return error || !available_charsets[0];
 }
 
 
@@ -193,7 +222,7 @@ static my_bool fill_array(uchar *array, int sz, struct simpleconfig_buf_st *fb)
 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);
+          name_from_csnum(&available_charsets, cs_number), ".conf", NullS);
 }
 
 
@@ -237,7 +266,7 @@ uint get_charset_number(const char *charset_name)
   if (error)
     return compiled_charset_number(charset_name);
   else
-    return find_type((char*)charset_name, &available_charsets, 1);
+    return num_from_csname((char*)charset_name, &available_charsets, 1);
 }
 
 const char *get_charset_name(uint charset_number)
@@ -247,7 +276,7 @@ const char *get_charset_name(uint charset_number)
   if (error)
     return compiled_charset_name(charset_number);
   else
-    return get_type(&available_charsets, charset_number - 1);
+    return name_from_csnum(&available_charsets, charset_number);
 }
 
 
@@ -452,29 +481,27 @@ char * list_charsets(myf want_flags)
 
   if (want_flags & MY_CONFIG_SETS)
   {
-    uint i;
-    const char *cs_name;
+    CS_ID *c;
     char buf[FN_REFLEN];
     MY_STAT stat;
 
-    for (i = 0; i < available_charsets.count; i++)
+    for (c = available_charsets; *c; ++c)
     {
-      cs_name = get_type(&available_charsets, i);
-      if (charset_in_string(cs_name, &s))
+      if (charset_in_string(c->name, &s))
         continue;
-      get_charset_conf_name(i + 1, buf);
+      get_charset_conf_name(c->number, buf);
       if (!my_stat(buf, &stat, MYF(0)))
         continue;       /* conf file doesn't exist */
-      dynstr_append(&s, cs_name);
+      dynstr_append(&s, c->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));
+    CS_ID *c;
+    for (c = available_charsets; *c; ++c)
+      charset_append(&s, c->name);
   }
 
   if (want_flags & MY_LOADED_SETS)

sql/share/charsets/Index

@@ -2,36 +2,33 @@
 #
 # This file lists all of the available character sets.
 
-# THE ORDER IN WHICH CHARACTER SETS ARE LISTED IS IMPORTANT.  See the
-# README file in this directory for details.
 
-
-big5 		  #  1
-czech 		  #  2
-dec8 		  #  3
-dos 		  #  4
-german1 	  #  5
-hp8 		  #  6
-koi8_ru 	  #  7
-latin1		  #  8
-latin2		  #  9
-swe7 		  # 10
-usa7 		  # 11
-ujis 		  # 12
-sjis 		  # 13
-cp1251		  # 14
-danish		  # 15
-hebrew		  # 16
-win1251 	  # 17
-tis620		  # 18
-euc_kr		  # 19
-estonia 	  # 20
-hungarian 	  # 21
-koi8_ukr 	  # 22
-win1251ukr 	  # 23
-gb2312		  # 24
-greek 		  # 25
-win1250 	  # 26
-croat 		  # 27
-gbk 		  # 28
-cp1257		  # 29
+big5 		   1
+czech 		   2
+dec8 		   3
+dos 		   4
+german1 	   5
+hp8 		   6
+koi8_ru 	   7
+latin1		   8
+latin2		   9
+swe7 		  10
+usa7 		  11
+ujis 		  12
+sjis 		  13
+cp1251		  14
+danish		  15
+hebrew		  16
+win1251 	  17
+tis620		  18
+euc_kr		  19
+estonia 	  20
+hungarian 	  21
+koi8_ukr 	  22
+win1251ukr 	  23
+gb2312		  24
+greek 		  25
+win1250 	  26
+croat 		  27
+gbk 		  28
+cp1257		  29

sql/share/charsets/README

@@ -9,10 +9,9 @@ different character sets.  It contains:
 Index
     The Index file lists all of the available charset configurations.
 
-    THE ORDER OF THE CHARACTER SETS IN THIS FILE IS SIGNIFICANT.
-    The first character set is number 1, the second is number 2, etc.  The
-    number is stored IN THE DATABASE TABLE FILES and must not be changed.
-    Always add new character sets to the end of the list, so that the
+    Each charset is paired with a number.  The number is stored
+    IN THE DATABASE TABLE FILES and must not be changed.  Always
+    add new character sets to the end of the list, so that the
     numbers of the other character sets will not be changed.
 
 Compiled in or configuration file?
@@ -39,5 +38,3 @@ Syntax of configuration files
     number in hexadecimal format.  The ctype array takes up the first
     257 words; the to_lower, to_upper and sort_order arrays take up 256
     words each after that.
-
-    The Index file is simply a list of the available character sets.