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133 lines
3.4 KiB
C
133 lines
3.4 KiB
C
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA */
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/* Functions for finding files with wildcards */
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/*
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The following file-name-test is supported:
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- "name [[,] name...] ; Matches any of used filenames.
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Each name can have "*" and/or "?"
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wild-cards.
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- [wildspec [,]] !wildspec2 ; File that matches wildspec and not
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wildspec2.
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*/
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#include "mysys_priv.h"
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#include <m_string.h>
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/* Store wildcard-string in a easyer format */
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WF_PACK *wf_comp(my_string str)
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{
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uint ant;
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int not_pos;
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register my_string pos;
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my_string buffer;
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WF_PACK *ret;
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DBUG_ENTER("wf_comp");
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not_pos= -1; /* Skipp space and '!' in front */
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while (*str == ' ')
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str++;
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if (*str == '!')
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{
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not_pos=0;
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while (*++str == ' ') {};
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}
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if (*str == 0) /* Empty == everything */
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DBUG_RETURN((WF_PACK *) NULL);
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ant=1; /* Count filespecs */
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for (pos=str ; *pos ; pos++)
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ant+= test(*pos == ' ' || *pos == ',');
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#ifdef FN_UPPER_CASE
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caseup(str,(int) (pos-str));
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#endif
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#ifdef FN_LOWER_CASE
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casedn(str,(int) (pos-str));
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#endif
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if ((ret= (WF_PACK*) my_malloc((uint) ant*(sizeof(my_string*)+2)+
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sizeof(WF_PACK)+ (uint) strlen(str)+1,
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MYF(MY_WME)))
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== 0)
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DBUG_RETURN((WF_PACK *) NULL);
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ret->wild= (my_string*) (ret+1);
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buffer= (my_string) (ret->wild+ant);
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ant=0;
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for (pos=str ; *pos ; str= pos)
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{
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ret->wild[ant++]=buffer;
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while (*pos != ' ' && *pos != ',' && *pos != '!' && *pos)
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*buffer++ = *pos++;
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*buffer++ = '\0';
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while (*pos == ' ' || *pos == ',' || *pos == '!' )
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if (*pos++ == '!' && not_pos <0)
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not_pos=(int) ant;
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}
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ret->wilds=ant;
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if (not_pos <0)
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ret->not_pos=ant;
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else
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ret->not_pos=(uint) not_pos;
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DBUG_PRINT("exit",("antal: %d not_pos: %d",ret->wilds,ret->not_pos));
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DBUG_RETURN(ret);
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} /* wf_comp */
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/* Test if a given filename is matched */
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int wf_test(register WF_PACK *wf_pack, register const char *name)
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{
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reg2 uint i;
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reg3 uint not_pos;
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DBUG_ENTER("wf_test");
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if (! wf_pack || wf_pack->wilds == 0)
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DBUG_RETURN(0); /* Everything goes */
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not_pos=wf_pack->not_pos;
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for (i=0 ; i < not_pos; i++)
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if (wild_compare(name,wf_pack->wild[i]) == 0)
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goto found;
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if (i)
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DBUG_RETURN(1); /* No-match */
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found:
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/* Test that it isn't in not-list */
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for (i=not_pos ; i < wf_pack->wilds; i++)
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if (wild_compare(name,wf_pack->wild[i]) == 0)
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DBUG_RETURN(1);
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DBUG_RETURN(0);
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} /* wf_test */
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/* We need this because program don't know with malloc we used */
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void wf_end(WF_PACK *buffer)
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{
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DBUG_ENTER("wf_end");
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if (buffer)
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my_free((gptr) buffer,MYF(0));
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DBUG_VOID_RETURN;
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} /* wf_end */
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