always use sql/sql_string.* files, never - client/sql_string.*

1 files changed, 0 insertions, 836 deletions

diff --git a/client/sql_string.cc b/client/sql_string.cc
deleted file mode 100644
index 26181722b11..00000000000
--- a/client/sql_string.cc
+++ /dev/null
@@ -1,836 +0,0 @@
-/*
-   Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
-
-   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 02110-1301  USA
-*/
-
-/* This file is originally from the mysql distribution. Coded by monty */
-
-#ifdef USE_PRAGMA_IMPLEMENTATION
-#pragma implementation				// gcc: Class implementation
-#endif
-
-#include <my_global.h>
-#include <my_sys.h>
-#include <m_string.h>
-#include <m_ctype.h>
-#include <mysql_com.h>
-
-#include "sql_string.h"
-
-/*****************************************************************************
-** String functions
-*****************************************************************************/
-
-bool String::real_alloc(uint32 length)
-{
-  uint32 arg_length= ALIGN_SIZE(length + 1);
-  DBUG_ASSERT(arg_length > length);
-  if (arg_length <= length)
-    return TRUE;                                 /* Overflow */
-  str_length=0;
-  if (Alloced_length < arg_length)
-  {
-    free();
-    if (!(Ptr=(char*) my_malloc(arg_length,MYF(MY_WME))))
-      return TRUE;
-    Alloced_length=arg_length;
-    alloced=1;
-  }
-  Ptr[0]=0;
-  return FALSE;
-}
-
-
-/*
-** Check that string is big enough. Set string[alloc_length] to 0
-** (for C functions)
-*/
-
-bool String::realloc(uint32 alloc_length)
-{
-  uint32 len=ALIGN_SIZE(alloc_length+1);
-  DBUG_ASSERT(len > alloc_length);
-  if (len <= alloc_length)
-    return TRUE;                                 /* Overflow */
-  if (Alloced_length < len)
-  {
-    char *new_ptr;
-    if (alloced)
-    {
-      if (!(new_ptr= (char*) my_realloc(Ptr,len,MYF(MY_WME))))
-        return TRUE;				// Signal error
-    }
-    else if ((new_ptr= (char*) my_malloc(len,MYF(MY_WME))))
-    {
-      if (str_length > len - 1)
-        str_length= 0;
-      if (str_length)				// Avoid bugs in memcpy on AIX
-	memcpy(new_ptr,Ptr,str_length);
-      new_ptr[str_length]=0;
-      alloced=1;
-    }
-    else
-      return TRUE;			// Signal error
-    Ptr= new_ptr;
-    Alloced_length= len;
-  }
-  Ptr[alloc_length]=0;			// This make other funcs shorter
-  return FALSE;
-}
-
-bool String::set(longlong num, CHARSET_INFO *cs)
-{
-  uint l=20*cs->mbmaxlen+1;
-
-  if (alloc(l))
-    return TRUE;
-  str_length=(uint32) (cs->cset->longlong10_to_str)(cs,Ptr,l,-10,num);
-  str_charset=cs;
-  return FALSE;
-}
-
-bool String::set(ulonglong num, CHARSET_INFO *cs)
-{
-  uint l=20*cs->mbmaxlen+1;
-
-  if (alloc(l))
-    return TRUE;
-  str_length=(uint32) (cs->cset->longlong10_to_str)(cs,Ptr,l,10,num);
-  str_charset=cs;
-  return FALSE;
-}
-
-bool String::set(double num,uint decimals, CHARSET_INFO *cs)
-{
-  char buff[FLOATING_POINT_BUFFER];
-  uint dummy_errors;
-  size_t len;
-
-  str_charset=cs;
-  if (decimals >= NOT_FIXED_DEC)
-  {
-    len= my_gcvt(num, MY_GCVT_ARG_DOUBLE, sizeof(buff) - 1, buff, NULL);
-    return copy(buff, len, &my_charset_latin1, cs, &dummy_errors);
-  }
-  len= my_fcvt(num, decimals, buff, NULL);
-  return copy(buff, (uint32) len, &my_charset_latin1, cs,
-              &dummy_errors);
-}
-
-
-bool String::copy()
-{
-  if (!alloced)
-  {
-    Alloced_length=0;				// Force realloc
-    return realloc(str_length);
-  }
-  return FALSE;
-}
-
-bool String::copy(const String &str)
-{
-  if (alloc(str.str_length))
-    return TRUE;
-  str_length=str.str_length;
-  bmove(Ptr,str.Ptr,str_length);		// May be overlapping
-  Ptr[str_length]=0;
-  str_charset=str.str_charset;
-  return FALSE;
-}
-
-bool String::copy(const char *str,uint32 arg_length, CHARSET_INFO *cs)
-{
-  if (alloc(arg_length))
-    return TRUE;
-  if ((str_length=arg_length))
-    memcpy(Ptr,str,arg_length);
-  Ptr[arg_length]=0;
-  str_charset=cs;
-  return FALSE;
-}
-
-
-/*
-  Checks that the source string can be just copied to the destination string
-  without conversion.
-
-  SYNPOSIS
-
-  needs_conversion()
-  arg_length		Length of string to copy.
-  from_cs		Character set to copy from
-  to_cs			Character set to copy to
-  uint32 *offset	Returns number of unaligned characters.
-
-  RETURN
-   0  No conversion needed
-   1  Either character set conversion or adding leading  zeros
-      (e.g. for UCS-2) must be done
-
-  NOTE
-  to_cs may be NULL for "no conversion" if the system variable
-  character_set_results is NULL.
-*/
-
-bool String::needs_conversion(uint32 arg_length,
-			      CHARSET_INFO *from_cs,
-			      CHARSET_INFO *to_cs,
-			      uint32 *offset)
-{
-  *offset= 0;
-  if (!to_cs ||
-      (to_cs == &my_charset_bin) || 
-      (to_cs == from_cs) ||
-      my_charset_same(from_cs, to_cs) ||
-      ((from_cs == &my_charset_bin) &&
-       (!(*offset=(arg_length % to_cs->mbminlen)))))
-    return FALSE;
-  return TRUE;
-}
-
-
-/*
-  Copy a multi-byte character sets with adding leading zeros.
-
-  SYNOPSIS
-
-  copy_aligned()
-  str			String to copy
-  arg_length		Length of string. This should NOT be dividable with
-			cs->mbminlen.
-  offset		arg_length % cs->mb_minlength
-  cs			Character set for 'str'
-
-  NOTES
-    For real multi-byte, ascii incompatible charactser sets,
-    like UCS-2, add leading zeros if we have an incomplete character.
-    Thus, 
-      SELECT _ucs2 0xAA 
-    will automatically be converted into
-      SELECT _ucs2 0x00AA
-
-  RETURN
-    0  ok
-    1  error
-*/
-
-bool String::copy_aligned(const char *str,uint32 arg_length, uint32 offset,
-			  CHARSET_INFO *cs)
-{
-  /* How many bytes are in incomplete character */
-  offset= cs->mbmaxlen - offset; /* How many zeros we should prepend */
-  DBUG_ASSERT(offset && offset != cs->mbmaxlen);
-
-  uint32 aligned_length= arg_length + offset;
-  if (alloc(aligned_length))
-    return TRUE;
-  
-  /*
-    Note, this is only safe for little-endian UCS-2.
-    If we add big-endian UCS-2 sometimes, this code
-    will be more complicated. But it's OK for now.
-  */
-  bzero((char*) Ptr, offset);
-  memcpy(Ptr + offset, str, arg_length);
-  Ptr[aligned_length]=0;
-  /* str_length is always >= 0 as arg_length is != 0 */
-  str_length= aligned_length;
-  str_charset= cs;
-  return FALSE;
-}
-
-
-bool String::set_or_copy_aligned(const char *str,uint32 arg_length,
-				 CHARSET_INFO *cs)
-{
-  /* How many bytes are in incomplete character */
-  uint32 offset= (arg_length % cs->mbminlen); 
-  
-  if (!offset) /* All characters are complete, just copy */
-  {
-    set(str, arg_length, cs);
-    return FALSE;
-  }
-  return copy_aligned(str, arg_length, offset, cs);
-}
-
-	/* Copy with charset convertion */
-
-bool String::copy(const char *str, uint32 arg_length,
-		  CHARSET_INFO *from_cs, CHARSET_INFO *to_cs, uint *errors)
-{
-  uint32 offset;
-  if (!needs_conversion(arg_length, from_cs, to_cs, &offset))
-  {
-    *errors= 0;
-    return copy(str, arg_length, to_cs);
-  }
-  if ((from_cs == &my_charset_bin) && offset)
-  {
-    *errors= 0;
-    return copy_aligned(str, arg_length, offset, to_cs);
-  }
-  uint32 new_length= to_cs->mbmaxlen*arg_length;
-  if (alloc(new_length))
-    return TRUE;
-  str_length=copy_and_convert((char*) Ptr, new_length, to_cs,
-                              str, arg_length, from_cs, errors);
-  str_charset=to_cs;
-  return FALSE;
-}
-
-
-/*
-  Set a string to the value of a latin1-string, keeping the original charset
-  
-  SYNOPSIS
-    copy_or_set()
-    str			String of a simple charset (latin1)
-    arg_length		Length of string
-
-  IMPLEMENTATION
-    If string object is of a simple character set, set it to point to the
-    given string.
-    If not, make a copy and convert it to the new character set.
-
-  RETURN
-    0	ok
-    1	Could not allocate result buffer
-
-*/
-
-bool String::set_ascii(const char *str, uint32 arg_length)
-{
-  if (str_charset->mbminlen == 1)
-  {
-    set(str, arg_length, str_charset);
-    return 0;
-  }
-  uint dummy_errors;
-  return copy(str, arg_length, &my_charset_latin1, str_charset, &dummy_errors);
-}
-
-
-/* This is used by mysql.cc */
-
-bool String::fill(uint32 max_length,char fill_char)
-{
-  if (str_length > max_length)
-    Ptr[str_length=max_length]=0;
-  else
-  {
-    if (realloc(max_length))
-      return TRUE;
-    bfill(Ptr+str_length,max_length-str_length,fill_char);
-    str_length=max_length;
-  }
-  return FALSE;
-}
-
-void String::strip_sp()
-{
-   while (str_length && my_isspace(str_charset,Ptr[str_length-1]))
-    str_length--;
-}
-
-bool String::append(const String &s)
-{
-  if (s.length())
-  {
-    if (realloc(str_length+s.length()))
-      return TRUE;
-    memcpy(Ptr+str_length,s.ptr(),s.length());
-    str_length+=s.length();
-  }
-  return FALSE;
-}
-
-
-/*
-  Append an ASCII string to the a string of the current character set
-*/
-
-bool String::append(const char *s,uint32 arg_length)
-{
-  if (!arg_length)
-    return FALSE;
-
-  /*
-    For an ASCII incompatible string, e.g. UCS-2, we need to convert
-  */
-  if (str_charset->mbminlen > 1)
-  {
-    uint32 add_length=arg_length * str_charset->mbmaxlen;
-    uint dummy_errors;
-    if (realloc(str_length+ add_length))
-      return TRUE;
-    str_length+= copy_and_convert(Ptr+str_length, add_length, str_charset,
-				  s, arg_length, &my_charset_latin1,
-                                  &dummy_errors);
-    return FALSE;
-  }
-
-  /*
-    For an ASCII compatinble string we can just append.
-  */
-  if (realloc(str_length+arg_length))
-    return TRUE;
-  memcpy(Ptr+str_length,s,arg_length);
-  str_length+=arg_length;
-  return FALSE;
-}
-
-
-/*
-  Append a 0-terminated ASCII string
-*/
-
-bool String::append(const char *s)
-{
-  return append(s, (uint) strlen(s));
-}
-
-
-/*
-  Append a string in the given charset to the string
-  with character set recoding
-*/
-
-bool String::append(const char *s,uint32 arg_length, CHARSET_INFO *cs)
-{
-  uint32 dummy_offset;
-  
-  if (needs_conversion(arg_length, cs, str_charset, &dummy_offset))
-  {
-    uint32 add_length= arg_length / cs->mbminlen * str_charset->mbmaxlen;
-    uint dummy_errors;
-    if (realloc(str_length + add_length)) 
-      return TRUE;
-    str_length+= copy_and_convert(Ptr+str_length, add_length, str_charset,
-				  s, arg_length, cs, &dummy_errors);
-  }
-  else
-  {
-    if (realloc(str_length + arg_length)) 
-      return TRUE;
-    memcpy(Ptr + str_length, s, arg_length);
-    str_length+= arg_length;
-  }
-  return FALSE;
-}
-
-
-#ifdef TO_BE_REMOVED
-bool String::append(FILE* file, uint32 arg_length, myf my_flags)
-{
-  if (realloc(str_length+arg_length))
-    return TRUE;
-  if (my_fread(file, (uchar*) Ptr + str_length, arg_length, my_flags))
-  {
-    shrink(str_length);
-    return TRUE;
-  }
-  str_length+=arg_length;
-  return FALSE;
-}
-#endif
-
-bool String::append(IO_CACHE* file, uint32 arg_length)
-{
-  if (realloc(str_length+arg_length))
-    return TRUE;
-  if (my_b_read(file, (uchar*) Ptr + str_length, arg_length))
-  {
-    shrink(str_length);
-    return TRUE;
-  }
-  str_length+=arg_length;
-  return FALSE;
-}
-
-bool String::append_with_prefill(const char *s,uint32 arg_length,
-		 uint32 full_length, char fill_char)
-{
-  int t_length= arg_length > full_length ? arg_length : full_length;
-
-  if (realloc(str_length + t_length))
-    return TRUE;
-  t_length= full_length - arg_length;
-  if (t_length > 0)
-  {
-    bfill(Ptr+str_length, t_length, fill_char);
-    str_length=str_length + t_length;
-  }
-  append(s, arg_length);
-  return FALSE;
-}
-
-uint32 String::numchars()
-{
-  return str_charset->cset->numchars(str_charset, Ptr, Ptr+str_length);
-}
-
-int String::charpos(longlong i,uint32 offset)
-{
-  if (i <= 0)
-    return (int)i;
-  return (int)str_charset->cset->charpos(str_charset,Ptr+offset,Ptr+str_length,(size_t)i);
-}
-
-int String::strstr(const String &s,uint32 offset)
-{
-  if (s.length()+offset <= str_length)
-  {
-    if (!s.length())
-      return ((int) offset);	// Empty string is always found
-
-    register const char *str = Ptr+offset;
-    register const char *search=s.ptr();
-    const char *end=Ptr+str_length-s.length()+1;
-    const char *search_end=s.ptr()+s.length();
-skip:
-    while (str != end)
-    {
-      if (*str++ == *search)
-      {
-	register char *i,*j;
-	i=(char*) str; j=(char*) search+1;
-	while (j != search_end)
-	  if (*i++ != *j++) goto skip;
-	return (int) (str-Ptr) -1;
-      }
-    }
-  }
-  return -1;
-}
-
-/*
-** Search string from end. Offset is offset to the end of string
-*/
-
-int String::strrstr(const String &s,uint32 offset)
-{
-  if (s.length() <= offset && offset <= str_length)
-  {
-    if (!s.length())
-      return offset;				// Empty string is always found
-    register const char *str = Ptr+offset-1;
-    register const char *search=s.ptr()+s.length()-1;
-
-    const char *end=Ptr+s.length()-2;
-    const char *search_end=s.ptr()-1;
-skip:
-    while (str != end)
-    {
-      if (*str-- == *search)
-      {
-	register char *i,*j;
-	i=(char*) str; j=(char*) search-1;
-	while (j != search_end)
-	  if (*i-- != *j--) goto skip;
-	return (int) (i-Ptr) +1;
-      }
-    }
-  }
-  return -1;
-}
-
-/*
-  Replace substring with string
-  If wrong parameter or not enough memory, do nothing
-*/
-
-bool String::replace(uint32 offset,uint32 arg_length,const String &to)
-{
-  return replace(offset,arg_length,to.ptr(),to.length());
-}
-
-bool String::replace(uint32 offset,uint32 arg_length,
-                     const char *to, uint32 to_length)
-{
-  long diff = (long) to_length-(long) arg_length;
-  if (offset+arg_length <= str_length)
-  {
-    if (diff < 0)
-    {
-      if (to_length)
-	memcpy(Ptr+offset,to,to_length);
-      bmove(Ptr+offset+to_length,Ptr+offset+arg_length,
-	    str_length-offset-arg_length);
-    }
-    else
-    {
-      if (diff)
-      {
-	if (realloc(str_length+(uint32) diff))
-	  return TRUE;
-	bmove_upp((uchar*) Ptr+str_length+diff, (uchar*) Ptr+str_length,
-		  str_length-offset-arg_length);
-      }
-      if (to_length)
-	memcpy(Ptr+offset,to,to_length);
-    }
-    str_length+=(uint32) diff;
-  }
-  return FALSE;
-}
-
-
-// added by Holyfoot for "geometry" needs
-int String::reserve(uint32 space_needed, uint32 grow_by)
-{
-  if (Alloced_length < str_length + space_needed)
-  {
-    if (realloc(Alloced_length + max(space_needed, grow_by) - 1))
-      return TRUE;
-  }
-  return FALSE;
-}
-
-void String::qs_append(const char *str, uint32 len)
-{
-  memcpy(Ptr + str_length, str, len + 1);
-  str_length += len;
-}
-
-void String::qs_append(double d)
-{
-  char *buff = Ptr + str_length;
-  str_length+= my_gcvt(d, MY_GCVT_ARG_DOUBLE, FLOATING_POINT_BUFFER - 1, buff,
-                       NULL);
-}
-
-void String::qs_append(double *d)
-{
-  double ld;
-  float8get(ld, (char*) d);
-  qs_append(ld);
-}
-
-void String::qs_append(int i)
-{
-  char *buff= Ptr + str_length;
-  char *end= int10_to_str(i, buff, -10);
-  str_length+= (int) (end-buff);
-}
-
-void String::qs_append(uint i)
-{
-  char *buff= Ptr + str_length;
-  char *end= int10_to_str(i, buff, 10);
-  str_length+= (int) (end-buff);
-}
-
-/*
-  Compare strings according to collation, without end space.
-
-  SYNOPSIS
-    sortcmp()
-    s		First string
-    t		Second string
-    cs		Collation
-
-  NOTE:
-    Normally this is case sensitive comparison
-
-  RETURN
-  < 0	s < t
-  0	s == t
-  > 0	s > t
-*/
-
-
-int sortcmp(const String *s,const String *t, CHARSET_INFO *cs)
-{
- return cs->coll->strnncollsp(cs,
-                              (unsigned char *) s->ptr(),s->length(),
-                              (unsigned char *) t->ptr(),t->length(), 0);
-}
-
-
-/*
-  Compare strings byte by byte. End spaces are also compared.
-
-  SYNOPSIS
-    stringcmp()
-    s		First string
-    t		Second string
-
-  NOTE:
-    Strings are compared as a stream of unsigned chars
-
-  RETURN
-  < 0	s < t
-  0	s == t
-  > 0	s > t
-*/
-
-
-int stringcmp(const String *s,const String *t)
-{
-  uint32 s_len=s->length(),t_len=t->length(),len=min(s_len,t_len);
-  int cmp= memcmp(s->ptr(), t->ptr(), len);
-  return (cmp) ? cmp : (int) (s_len - t_len);
-}
-
-
-String *copy_if_not_alloced(String *to,String *from,uint32 from_length)
-{
-  if (from->Alloced_length >= from_length)
-    return from;
-  if (from->alloced || !to || from == to)
-  {
-    (void) from->realloc(from_length);
-    return from;
-  }
-  if (to->realloc(from_length))
-    return from;				// Actually an error
-  if ((to->str_length=min(from->str_length,from_length)))
-    memcpy(to->Ptr,from->Ptr,to->str_length);
-  to->str_charset=from->str_charset;
-  return to;
-}
-
-
-/****************************************************************************
-  Help functions
-****************************************************************************/
-
-/*
-  copy a string from one character set to another
-  
-  SYNOPSIS
-    copy_and_convert()
-    to			Store result here
-    to_cs		Character set of result string
-    from		Copy from here
-    from_length		Length of from string
-    from_cs		From character set
-
-  NOTES
-    'to' must be big enough as form_length * to_cs->mbmaxlen
-
-  RETURN
-    length of bytes copied to 'to'
-*/
-
-
-uint32
-copy_and_convert(char *to, uint32 to_length, CHARSET_INFO *to_cs, 
-                 const char *from, uint32 from_length, CHARSET_INFO *from_cs,
-                 uint *errors)
-{
-  int         cnvres;
-  my_wc_t     wc;
-  const uchar *from_end= (const uchar*) from+from_length;
-  char *to_start= to;
-  uchar *to_end= (uchar*) to+to_length;
-  my_charset_conv_mb_wc mb_wc= from_cs->cset->mb_wc;
-  my_charset_conv_wc_mb wc_mb= to_cs->cset->wc_mb;
-  uint error_count= 0;
-
-  while (1)
-  {
-    if ((cnvres= (*mb_wc)(from_cs, &wc, (uchar*) from,
-				      from_end)) > 0)
-      from+= cnvres;
-    else if (cnvres == MY_CS_ILSEQ)
-    {
-      error_count++;
-      from++;
-      wc= '?';
-    }
-    else if (cnvres > MY_CS_TOOSMALL)
-    {
-      /*
-        A correct multibyte sequence detected
-        But it doesn't have Unicode mapping.
-      */
-      error_count++;
-      from+= (-cnvres);
-      wc= '?';
-    }
-    else
-      break;  // Not enough characters
-
-outp:
-    if ((cnvres= (*wc_mb)(to_cs, wc, (uchar*) to, to_end)) > 0)
-      to+= cnvres;
-    else if (cnvres == MY_CS_ILUNI && wc != '?')
-    {
-      error_count++;
-      wc= '?';
-      goto outp;
-    }
-    else
-      break;
-  }
-  *errors= error_count;
-  return (uint32) (to - to_start);
-}
-
-
-void String::print(String *str)
-{
-  char *st= (char*)Ptr, *end= st+str_length;
-  for (; st < end; st++)
-  {
-    uchar c= *st;
-    switch (c)
-    {
-    case '\\':
-      str->append(STRING_WITH_LEN("\\\\"));
-      break;
-    case '\0':
-      str->append(STRING_WITH_LEN("\\0"));
-      break;
-    case '\'':
-      str->append(STRING_WITH_LEN("\\'"));
-      break;
-    case '\n':
-      str->append(STRING_WITH_LEN("\\n"));
-      break;
-    case '\r':
-      str->append(STRING_WITH_LEN("\\r"));
-      break;
-    case 26: //Ctrl-Z
-      str->append(STRING_WITH_LEN("\\z"));
-      break;
-    default:
-      str->append(c);
-    }
-  }
-}
-
-
-/*
-  Exchange state of this object and argument.
-
-  SYNOPSIS
-    String::swap()
-
-  RETURN
-    Target string will contain state of this object and vice versa.
-*/
-
-void String::swap(String &s)
-{
-  swap_variables(char *, Ptr, s.Ptr);
-  swap_variables(uint32, str_length, s.str_length);
-  swap_variables(uint32, Alloced_length, s.Alloced_length);
-  swap_variables(bool, alloced, s.alloced);
-  swap_variables(CHARSET_INFO*, str_charset, s.str_charset);
-}