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/* strlist.c - string helpers
* Copyright (C) 1998, 2000, 2001 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
* GnuPG 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; either version 2 of the License, or
* (at your option) any later version.
*
* GnuPG 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
*/
#include <config.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <ctype.h>
#include "libjnlib-config.h"
#include "strlist.h"
void
free_strlist( STRLIST sl )
{
STRLIST sl2;
for(; sl; sl = sl2 ) {
sl2 = sl->next;
jnlib_free(sl);
}
}
STRLIST
add_to_strlist( STRLIST *list, const char *string )
{
STRLIST sl;
sl = jnlib_xmalloc( sizeof *sl + strlen(string));
sl->flags = 0;
strcpy(sl->d, string);
sl->next = *list;
*list = sl;
return sl;
}
#if 0
/****************
* same as add_to_strlist() but if is_utf8 is *not* set a conversion
* to UTF8 is done
*/
STRLIST
add_to_strlist2( STRLIST *list, const char *string, int is_utf8 )
{
STRLIST sl;
if( is_utf8 )
sl = add_to_strlist( list, string );
else {
char *p = native_to_utf8( string );
sl = add_to_strlist( list, p );
m_free( p );
}
return sl;
}
#endif
STRLIST
append_to_strlist( STRLIST *list, const char *string )
{
STRLIST r, sl;
sl = jnlib_xmalloc( sizeof *sl + strlen(string));
sl->flags = 0;
strcpy(sl->d, string);
sl->next = NULL;
if( !*list )
*list = sl;
else {
for( r = *list; r->next; r = r->next )
;
r->next = sl;
}
return sl;
}
#if 0
STRLIST
append_to_strlist2( STRLIST *list, const char *string, int is_utf8 )
{
STRLIST sl;
if( is_utf8 )
sl = append_to_strlist( list, string );
else {
char *p = native_to_utf8( string );
sl = append_to_strlist( list, p );
m_free( p );
}
return sl;
}
#endif
STRLIST
strlist_prev( STRLIST head, STRLIST node )
{
STRLIST n;
for(n=NULL; head && head != node; head = head->next )
n = head;
return n;
}
STRLIST
strlist_last( STRLIST node )
{
if( node )
for( ; node->next ; node = node->next )
;
return node;
}
char *
strlist_pop (STRLIST *list)
{
char *str=NULL;
STRLIST sl=*list;
if(sl)
{
str=jnlib_xmalloc(strlen(sl->d)+1);
strcpy(str,sl->d);
*list=sl->next;
jnlib_free(sl);
}
return str;
}
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