/* * $Id: ftype-integer.c,v 1.8 2002/02/05 22:50:17 guy Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs * Copyright 2001 Gerald Combs * * This program 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. * * This program 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. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #ifdef NEED_SNPRINTF_H #include "snprintf.h" #endif #include #include #include "ftypes-int.h" #include static void int_fvalue_new(fvalue_t *fv) { fv->value.integer = 0; } static void set_integer(fvalue_t *fv, guint32 value) { fv->value.integer = value; } static guint32 get_integer(fvalue_t *fv) { return fv->value.integer; } static gboolean val_from_string(fvalue_t *fv, char *s, LogFunc logfunc) { char *endptr; fv->value.integer = strtoul(s, &endptr, 0); if (endptr == s || *endptr != '\0') { /* This isn't a valid number. */ if (logfunc != NULL) logfunc("\"%s\" is not a valid number.", s); return FALSE; } if (errno == ERANGE) { if (logfunc != NULL) { if (fv->value.integer == ULONG_MAX) { logfunc("\"%s\" causes an integer overflow.", s); } else { logfunc("\"%s\" is not an integer.", s); } } return FALSE; } return TRUE; } static gboolean ipxnet_from_string(fvalue_t *fv, char *s, LogFunc logfunc) { guint32 val; gboolean known; /* * Don't log a message if this fails; we'll try looking it * up as an IPX network name if it does, and if that fails, * we'll log a message. */ if (val_from_string(fv, s, NULL)) { return TRUE; } val = get_ipxnet_addr(s, &known); if (known) { fv->value.integer = val; return TRUE; } logfunc("\"%s\" is not a valid IPX network name or address.", s); return FALSE; } static gboolean cmp_eq(fvalue_t *a, fvalue_t *b) { return a->value.integer == b->value.integer; } static gboolean cmp_ne(fvalue_t *a, fvalue_t *b) { return a->value.integer != b->value.integer; } static gboolean u_cmp_gt(fvalue_t *a, fvalue_t *b) { return (int)a->value.integer > (int)b->value.integer; } static gboolean u_cmp_ge(fvalue_t *a, fvalue_t *b) { return (int)a->value.integer >= (int)b->value.integer; } static gboolean u_cmp_lt(fvalue_t *a, fvalue_t *b) { return (int)a->value.integer < (int)b->value.integer; } static gboolean u_cmp_le(fvalue_t *a, fvalue_t *b) { return (int)a->value.integer <= (int)b->value.integer; } static gboolean s_cmp_gt(fvalue_t *a, fvalue_t *b) { return a->value.integer > b->value.integer; } static gboolean s_cmp_ge(fvalue_t *a, fvalue_t *b) { return a->value.integer >= b->value.integer; } static gboolean s_cmp_lt(fvalue_t *a, fvalue_t *b) { return a->value.integer < b->value.integer; } static gboolean s_cmp_le(fvalue_t *a, fvalue_t *b) { return a->value.integer <= b->value.integer; } /* BOOLEAN-specific */ static void boolean_fvalue_new(fvalue_t *fv) { fv->value.integer = TRUE; } /* Checks for equality with zero or non-zero */ static gboolean bool_eq(fvalue_t *a, fvalue_t *b) { if (a->value.integer) { if (b->value.integer) { return TRUE; } else { return FALSE; } } else { if (b->value.integer) { return FALSE; } else { return TRUE; } } } /* Checks for inequality with zero or non-zero */ static gboolean bool_ne(fvalue_t *a, fvalue_t *b) { return (!bool_eq(a,b)); } void ftype_register_integers(void) { static ftype_t uint8_type = { "FT_UINT8", "unsigned, 1 byte", 1, int_fvalue_new, NULL, val_from_string, NULL, set_integer, NULL, NULL, get_integer, NULL, cmp_eq, cmp_ne, u_cmp_gt, u_cmp_ge, u_cmp_lt, u_cmp_le, NULL, NULL, }; static ftype_t uint16_type = { "FT_UINT16", "unsigned, 2 bytes", 2, int_fvalue_new, NULL, val_from_string, NULL, set_integer, NULL, NULL, get_integer, NULL, cmp_eq, cmp_ne, u_cmp_gt, u_cmp_ge, u_cmp_lt, u_cmp_le, NULL, NULL, }; static ftype_t uint24_type = { "FT_UINT24", "unsigned, 3 bytes", 3, int_fvalue_new, NULL, val_from_string, NULL, set_integer, NULL, NULL, get_integer, NULL, cmp_eq, cmp_ne, u_cmp_gt, u_cmp_ge, u_cmp_lt, u_cmp_le, NULL, NULL, }; static ftype_t uint32_type = { "FT_UINT32", "unsigned, 4 bytes", 4, int_fvalue_new, NULL, val_from_string, NULL, set_integer, NULL, NULL, get_integer, NULL, cmp_eq, cmp_ne, u_cmp_gt, u_cmp_ge, u_cmp_lt, u_cmp_le, NULL, NULL, }; static ftype_t int8_type = { "FT_INT8", "signed, 1 byte", 1, int_fvalue_new, NULL, val_from_string, NULL, set_integer, NULL, NULL, get_integer, NULL, cmp_eq, cmp_ne, s_cmp_gt, s_cmp_ge, s_cmp_lt, s_cmp_le, NULL, NULL, }; static ftype_t int16_type = { "FT_INT16", "signed, 2 bytes", 2, int_fvalue_new, NULL, val_from_string, NULL, set_integer, NULL, NULL, get_integer, NULL, cmp_eq, cmp_ne, s_cmp_gt, s_cmp_ge, s_cmp_lt, s_cmp_le, NULL, NULL, }; static ftype_t int24_type = { "FT_INT24", "signed, 3 bytes", 3, int_fvalue_new, NULL, val_from_string, NULL, set_integer, NULL, NULL, get_integer, NULL, cmp_eq, cmp_ne, s_cmp_gt, s_cmp_ge, s_cmp_lt, s_cmp_le, NULL, NULL, }; static ftype_t int32_type = { "FT_INT32", "signed, 4 bytes", 4, int_fvalue_new, NULL, val_from_string, NULL, set_integer, NULL, NULL, get_integer, NULL, cmp_eq, cmp_ne, s_cmp_gt, s_cmp_ge, s_cmp_lt, s_cmp_le, NULL, NULL, }; static ftype_t boolean_type = { "FT_BOOLEAN", "Boolean", 0, boolean_fvalue_new, NULL, val_from_string, NULL, set_integer, NULL, NULL, get_integer, NULL, bool_eq, bool_ne, NULL, NULL, NULL, NULL, NULL, NULL, }; static ftype_t ipxnet_type = { "FT_IPXNET", "IPX network number", 4, int_fvalue_new, NULL, ipxnet_from_string, NULL, set_integer, NULL, NULL, get_integer, NULL, cmp_eq, cmp_ne, u_cmp_gt, u_cmp_ge, u_cmp_lt, u_cmp_le, NULL, NULL, }; ftype_register(FT_UINT8, &uint8_type); ftype_register(FT_UINT16, &uint16_type); ftype_register(FT_UINT24, &uint24_type); ftype_register(FT_UINT32, &uint32_type); ftype_register(FT_INT8, &int8_type); ftype_register(FT_INT16, &int16_type); ftype_register(FT_INT24, &int24_type); ftype_register(FT_INT32, &int32_type); ftype_register(FT_BOOLEAN, &boolean_type); ftype_register(FT_IPXNET, &ipxnet_type); }