mirror of git://git.gnupg.org/gnupg.git
176 lines
3.3 KiB
C
176 lines
3.3 KiB
C
/* strlist.c - string helpers
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* Copyright (C) 1998, 2000, 2001, 2006 Free Software Foundation, Inc.
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*
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* This file is part of JNLIB.
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*
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* JNLIB is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 3 of
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* the License, or (at your option) any later version.
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*
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* JNLIB is distributed in the hope that it will be useful, but
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* 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, see <http://www.gnu.org/licenses/>.
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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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#ifdef JNLIB_NEED_UTF8CONV
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#include "utf8conv.h"
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#endif
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void
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free_strlist( strlist_t sl )
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{
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strlist_t 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_t
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add_to_strlist( strlist_t *list, const char *string )
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{
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strlist_t 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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/* Same as add_to_strlist() but if is_utf8 is *not* set, a conversion
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to UTF-8 is done. */
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#ifdef JNLIB_NEED_UTF8CONV
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strlist_t
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add_to_strlist2( strlist_t *list, const char *string, int is_utf8 )
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{
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strlist_t 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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{
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char *p = native_to_utf8( string );
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sl = add_to_strlist( list, p );
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jnlib_free ( p );
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}
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return sl;
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}
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#endif /* JNLIB_NEED_UTF8CONV*/
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strlist_t
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append_to_strlist( strlist_t *list, const char *string )
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{
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strlist_t 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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#ifdef JNLIB_NEED_UTF8CONV
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strlist_t
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append_to_strlist2( strlist_t *list, const char *string, int is_utf8 )
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{
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strlist_t 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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{
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char *p = native_to_utf8 (string);
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sl = append_to_strlist( list, p );
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jnlib_free( p );
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}
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return sl;
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}
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#endif /* JNLIB_NEED_UTF8CONV */
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/* Return a copy of LIST. */
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strlist_t
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strlist_copy (strlist_t list)
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{
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strlist_t newlist = NULL, sl, *last;
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last = &newlist;
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for (; list; list = list->next)
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{
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sl = jnlib_xmalloc (sizeof *sl + strlen (list->d));
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sl->flags = list->flags;
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strcpy(sl->d, list->d);
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sl->next = NULL;
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*last = sl;
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last = &sl;
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}
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return newlist;
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}
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strlist_t
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strlist_prev( strlist_t head, strlist_t node )
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{
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strlist_t 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_t
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strlist_last( strlist_t 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_t *list)
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{
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char *str=NULL;
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strlist_t 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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