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/* 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; 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/* Functions for finding files with wildcards */
/*
The following file-name-test is supported:
- "name [[,] name...] ; Matches any of used filenames.
Each name can have "*" and/or "?"
wild-cards.
- [wildspec [,]] !wildspec2 ; File that matches wildspec and not
wildspec2.
*/
#include "mysys_priv.h"
#include <m_string.h>
/* Store wildcard-string in a easyer format */
WF_PACK *wf_comp(char * str)
{
uint ant;
int not_pos;
register char * pos;
char * buffer;
WF_PACK *ret;
DBUG_ENTER("wf_comp");
not_pos= -1; /* Skip space and '!' in front */
while (*str == ' ')
str++;
if (*str == '!')
{
not_pos=0;
while (*++str == ' ') {};
}
if (*str == 0) /* Empty == everything */
DBUG_RETURN((WF_PACK *) NULL);
ant=1; /* Count filespecs */
for (pos=str ; *pos ; pos++)
ant+= test(*pos == ' ' || *pos == ',');
if ((ret= (WF_PACK*) my_malloc((uint) ant*(sizeof(char **)+2)+
sizeof(WF_PACK)+ (uint) strlen(str)+1,
MYF(MY_WME)))
== 0)
DBUG_RETURN((WF_PACK *) NULL);
ret->wild= (char **) (ret+1);
buffer= (char *) (ret->wild+ant);
ant=0;
for (pos=str ; *pos ; str= pos)
{
ret->wild[ant++]=buffer;
while (*pos != ' ' && *pos != ',' && *pos != '!' && *pos)
*buffer++ = *pos++;
*buffer++ = '\0';
while (*pos == ' ' || *pos == ',' || *pos == '!' )
if (*pos++ == '!' && not_pos <0)
not_pos=(int) ant;
}
ret->wilds=ant;
if (not_pos <0)
ret->not_pos=ant;
else
ret->not_pos=(uint) not_pos;
DBUG_PRINT("exit",("antal: %d not_pos: %d",ret->wilds,ret->not_pos));
DBUG_RETURN(ret);
} /* wf_comp */
/* Test if a given filename is matched */
int wf_test(register WF_PACK *wf_pack, register const char *name)
{
reg2 uint i;
reg3 uint not_pos;
DBUG_ENTER("wf_test");
if (! wf_pack || wf_pack->wilds == 0)
DBUG_RETURN(0); /* Everything goes */
not_pos=wf_pack->not_pos;
for (i=0 ; i < not_pos; i++)
if (wild_compare(name,wf_pack->wild[i],0) == 0)
goto found;
if (i)
DBUG_RETURN(1); /* No-match */
found:
/* Test that it isn't in not-list */
for (i=not_pos ; i < wf_pack->wilds; i++)
if (wild_compare(name,wf_pack->wild[i],0) == 0)
DBUG_RETURN(1);
DBUG_RETURN(0);
} /* wf_test */
/* We need this because program don't know with malloc we used */
void wf_end(WF_PACK *buffer)
{
DBUG_ENTER("wf_end");
if (buffer)
my_free((uchar*) buffer,MYF(0));
DBUG_VOID_RETURN;
} /* wf_end */
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