221 lines
3.6 KiB
C
221 lines
3.6 KiB
C
/*
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* $Id: ftype-string.c,v 1.2 2001/02/01 20:31:21 gram Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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* Copyright 2001 Gerald Combs
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <ftypes-int.h>
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#include <string.h>
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static void
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ftype_from_tvbuff(field_info *fi, tvbuff_t *tvb, int start, int length,
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gboolean little_endian)
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{
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/* XXX */
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g_assert_not_reached();
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}
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static void
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string_fvalue_new(fvalue_t *fv)
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{
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fv->value.string = NULL;
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}
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static void
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string_fvalue_free(fvalue_t *fv)
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{
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if (fv->value.string) {
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g_free(fv->value.string);
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}
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}
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static void
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string_fvalue_set(fvalue_t *fv, gpointer value, gboolean already_copied)
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{
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if (already_copied) {
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fv->value.string = value;
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}
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else {
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fv->value.string = g_strdup(value);
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}
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}
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static gpointer
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value_get(fvalue_t *fv)
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{
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return fv->value.string;
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}
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static gboolean
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val_from_string(fvalue_t *fv, char *s, LogFunc log)
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{
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fv->value.string = g_strdup(s);
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return TRUE;
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}
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static guint
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len(fvalue_t *fv)
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{
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return strlen(fv->value.string);
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}
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static void
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slice(fvalue_t *fv, GByteArray *bytes, guint offset, guint length)
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{
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guint8* data;
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data = fv->value.string + offset;
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g_byte_array_append(bytes, data, length);
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}
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static gboolean
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cmp_eq(fvalue_t *a, fvalue_t *b)
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{
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return (strcmp(a->value.string, b->value.string) == 0);
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}
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static gboolean
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cmp_ne(fvalue_t *a, fvalue_t *b)
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{
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return (strcmp(a->value.string, b->value.string) != 0);
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}
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static gboolean
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cmp_gt(fvalue_t *a, fvalue_t *b)
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{
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return (strcmp(a->value.string, b->value.string) > 0);
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}
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static gboolean
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cmp_ge(fvalue_t *a, fvalue_t *b)
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{
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return (strcmp(a->value.string, b->value.string) >= 0);
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}
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static gboolean
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cmp_lt(fvalue_t *a, fvalue_t *b)
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{
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return (strcmp(a->value.string, b->value.string) < 0);
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}
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static gboolean
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cmp_le(fvalue_t *a, fvalue_t *b)
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{
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return (strcmp(a->value.string, b->value.string) <= 0);
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}
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void
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ftype_register_string(void)
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{
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static ftype_t string_type = {
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"FT_STRING",
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"character string",
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0,
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string_fvalue_new,
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string_fvalue_free,
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ftype_from_tvbuff,
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val_from_string,
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string_fvalue_set,
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NULL,
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NULL,
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value_get,
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NULL,
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NULL,
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cmp_eq,
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cmp_ne,
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cmp_gt,
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cmp_ge,
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cmp_lt,
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cmp_le,
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len,
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slice,
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};
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static ftype_t stringz_type = {
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"FT_STRINGZ",
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"character string",
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0,
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string_fvalue_new,
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string_fvalue_free,
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ftype_from_tvbuff,
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val_from_string,
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string_fvalue_set,
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NULL,
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NULL,
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value_get,
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NULL,
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NULL,
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cmp_eq,
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cmp_ne,
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cmp_gt,
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cmp_ge,
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cmp_lt,
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cmp_le,
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len,
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slice,
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};
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static ftype_t uint_string_type = {
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"FT_UINT_STRING",
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"character string",
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0,
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string_fvalue_new,
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string_fvalue_free,
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ftype_from_tvbuff,
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val_from_string,
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string_fvalue_set,
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NULL,
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NULL,
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value_get,
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NULL,
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NULL,
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cmp_eq,
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cmp_ne,
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cmp_gt,
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cmp_ge,
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cmp_lt,
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cmp_le,
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len,
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slice,
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};
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ftype_register(FT_STRING, &string_type);
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ftype_register(FT_STRINGZ, &stringz_type);
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ftype_register(FT_UINT_STRING, &uint_string_type);
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}
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