mirror of git://git.gnupg.org/gnupg.git
152 lines
2.8 KiB
C
152 lines
2.8 KiB
C
/* strlist.c - string helpers
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* Copyright (C) 1998, 2000, 2001 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* GnuPG 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#include <config.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <ctype.h>
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#include "libjnlib-config.h"
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#include "strlist.h"
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void
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free_strlist( STRLIST sl )
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{
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STRLIST sl2;
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for(; sl; sl = sl2 ) {
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sl2 = sl->next;
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jnlib_free(sl);
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}
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}
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STRLIST
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add_to_strlist( STRLIST *list, const char *string )
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{
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STRLIST sl;
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sl = jnlib_xmalloc( sizeof *sl + strlen(string));
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sl->flags = 0;
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strcpy(sl->d, string);
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sl->next = *list;
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*list = sl;
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return sl;
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}
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#if 0
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/****************
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* same as add_to_strlist() but if is_utf8 is *not* set a conversion
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* to UTF8 is done
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*/
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STRLIST
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add_to_strlist2( STRLIST *list, const char *string, int is_utf8 )
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{
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STRLIST sl;
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if( is_utf8 )
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sl = add_to_strlist( list, string );
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else {
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char *p = native_to_utf8( string );
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sl = add_to_strlist( list, p );
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m_free( p );
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}
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return sl;
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}
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#endif
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STRLIST
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append_to_strlist( STRLIST *list, const char *string )
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{
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STRLIST r, sl;
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sl = jnlib_xmalloc( sizeof *sl + strlen(string));
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sl->flags = 0;
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strcpy(sl->d, string);
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sl->next = NULL;
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if( !*list )
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*list = sl;
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else {
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for( r = *list; r->next; r = r->next )
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;
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r->next = sl;
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}
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return sl;
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}
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#if 0
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STRLIST
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append_to_strlist2( STRLIST *list, const char *string, int is_utf8 )
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{
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STRLIST sl;
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if( is_utf8 )
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sl = append_to_strlist( list, string );
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else {
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char *p = native_to_utf8( string );
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sl = append_to_strlist( list, p );
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m_free( p );
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}
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return sl;
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}
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#endif
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STRLIST
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strlist_prev( STRLIST head, STRLIST node )
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{
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STRLIST n;
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for(n=NULL; head && head != node; head = head->next )
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n = head;
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return n;
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}
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STRLIST
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strlist_last( STRLIST node )
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{
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if( node )
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for( ; node->next ; node = node->next )
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;
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return node;
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}
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char *
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strlist_pop (STRLIST *list)
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{
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char *str=NULL;
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STRLIST sl=*list;
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if(sl)
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{
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str=jnlib_xmalloc(strlen(sl->d)+1);
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strcpy(str,sl->d);
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*list=sl->next;
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jnlib_free(sl);
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}
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return str;
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}
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