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/* $Id$ */
/***
This file is part of avahi.
avahi is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
avahi 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 Lesser General
Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with avahi; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <stdarg.h>
#include "strlst.h"
AvahiStringList *avahi_string_list_add_arbitrary(AvahiStringList *l, const guint8*text, guint size) {
AvahiStringList *n;
g_assert(text);
n = g_malloc(sizeof(AvahiStringList) + size);
n->next = l;
memcpy(n->text, text, n->size = size);
return n;
}
AvahiStringList *avahi_string_list_add(AvahiStringList *l, const gchar *text) {
g_assert(text);
return avahi_string_list_add_arbitrary(l, (const guint8*) text, strlen(text));
}
AvahiStringList *avahi_string_list_parse(gconstpointer data, guint size) {
AvahiStringList *r = NULL;
const guint8 *c;
g_assert(data);
c = data;
for (;;) {
guint k;
if (size < 1)
break;
k = *(c++);
r = avahi_string_list_add_arbitrary(r, c, k);
c += k;
size -= 1 + k;
}
return r;
}
void avahi_string_list_free(AvahiStringList *l) {
AvahiStringList *n;
while (l) {
n = l->next;
g_free(l);
l = n;
}
}
static AvahiStringList* string_list_reverse(AvahiStringList *l) {
AvahiStringList *r = NULL, *n;
while (l) {
n = l->next;
l->next = r;
r = l;
l = n;
}
return r;
}
gchar* avahi_string_list_to_string(AvahiStringList *l) {
AvahiStringList *n;
guint s = 0;
gchar *t, *e;
l = string_list_reverse(l);
for (n = l; n; n = n->next) {
if (n != l)
s ++;
s += n->size+2;
}
t = e = g_new(gchar, s+1);
for (n = l; n; n = n->next) {
if (n != l)
*(e++) = ' ';
*(e++) = '"';
strncpy(e, (gchar*) n->text, n->size);
e[n->size] = 0;
e = strchr(e, 0);
*(e++) = '"';
g_assert(e);
}
l = string_list_reverse(l);
*e = 0;
return t;
}
guint avahi_string_list_serialize(AvahiStringList *l, gpointer data, guint size) {
guint used = 0;
if (data) {
guint8 *c;
AvahiStringList *n;
g_assert(data);
l = string_list_reverse(l);
c = data;
for (n = l; n; n = n->next) {
guint k;
if (size < 1)
break;
k = n->size;
if (k > 255)
k = 255;
if (k > size-1)
k = size-1;
*(c++) = k;
memcpy(c, n->text, k);
c += k;
used += 1+ k;
}
l = string_list_reverse(l);
} else {
AvahiStringList *n;
for (n = l; n; n = n->next) {
guint k;
k = n->size;
if (k > 255)
k = 255;
used += 1+k;
}
}
return used;
}
gboolean avahi_string_list_equal(const AvahiStringList *a, const AvahiStringList *b) {
for (;;) {
if (!a && !b)
return TRUE;
if (!a || !b)
return FALSE;
if (a->size != b->size)
return FALSE;
if (a->size != 0 && memcmp(a->text, b->text, a->size) != 0)
return FALSE;
a = a->next;
b = b->next;
}
}
AvahiStringList *avahi_string_list_add_many(AvahiStringList *r, ...) {
va_list va;
va_start(va, r);
r = avahi_string_list_add_many_va(r, va);
va_end(va);
return r;
}
AvahiStringList *avahi_string_list_add_many_va(AvahiStringList *r, va_list va) {
const gchar *txt;
while ((txt = va_arg(va, const gchar*)))
r = avahi_string_list_add(r, txt);
return r;
}
AvahiStringList *avahi_string_list_new(const gchar *txt, ...) {
va_list va;
AvahiStringList *r = NULL;
if (txt) {
r = avahi_string_list_add(r, txt);
va_start(va, txt);
r = avahi_string_list_add_many_va(r, va);
va_end(va);
}
return r;
}
AvahiStringList *avahi_string_list_new_va(va_list va) {
return avahi_string_list_add_many_va(NULL, va);
}
AvahiStringList *avahi_string_list_copy(const AvahiStringList *l) {
AvahiStringList *r = NULL;
for (; l; l = l->next)
r = avahi_string_list_add_arbitrary(r, l->text, l->size);
return string_list_reverse(r);
}
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