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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#include "mysys_priv.h"
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#include <mystrings/m_string.h>
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Formats a filename with possible replace of directory of extension
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char * fn_format(char * to, const char *name, const char *dir,
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const char *extension, uint32_t flag)
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const char *extension, uint flag)
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char dev[FN_REFLEN], buff[FN_REFLEN], *pos;
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const char *startpos = name;
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char dev[FN_REFLEN], buff[FN_REFLEN], *pos, *startpos;
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register size_t length;
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DBUG_ENTER("fn_format");
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DBUG_PRINT("enter",("name: %s dir: %s extension: %s flag: %d",
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name,dir,extension,flag));
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/* Copy and skip directory */
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name+=(length=dirname_part(dev, startpos, &dev_length));
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name+=(length=dirname_part(dev, (startpos=(char *) name), &dev_length));
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if (length == 0 || (flag & MY_REPLACE_DIR))
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/* Use given directory */
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convert_dirname(dev,dir,NULL); /* Fix to this OS */
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convert_dirname(dev,dir,NullS); /* Fix to this OS */
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else if ((flag & MY_RELATIVE_PATH) && !test_if_hard_path(dev))
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/* Put 'dir' before the given path */
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strmake(buff,dev,sizeof(buff)-1);
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pos=convert_dirname(dev,dir,NULL);
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pos=convert_dirname(dev,dir,NullS);
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strmake(pos,buff,sizeof(buff)-1- (int) (pos-dev));
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(void) unpack_dirname(dev,dev); /* Replace ~/.. with dir */
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if (!(flag & MY_APPEND_EXT) &&
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(pos= (char*) strchr(name,FN_EXTCHAR)) != NULL)
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(pos= (char*) strchr(name,FN_EXTCHAR)) != NullS)
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if ((flag & MY_REPLACE_EXT) == 0) /* If we should keep old ext */
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/* To long path, return original or NULL */
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if (flag & MY_SAFE_PATH)
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tmp_length= strlength(startpos);
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(void) strmake(to,startpos,cmin(tmp_length,FN_REFLEN-1));
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DBUG_PRINT("error",("dev: '%s' ext: '%s' length: %u",dev,ext,
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(void) strmake(to,startpos,min(tmp_length,FN_REFLEN-1));
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if (to == startpos)
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memcpy(buff, name, length); /* Save name for last copy */
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bmove(buff,(uchar*) name,length); /* Save name for last copy */
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pos=strmake(my_stpcpy(to,dev),name,length);
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(void) my_stpcpy(pos,ext); /* Don't convert extension */
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pos=strmake(strmov(to,dev),name,length);
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(void) strmov(pos,ext); /* Don't convert extension */
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If MY_RETURN_REAL_PATH and MY_RESOLVE_SYMLINK is given, only do