forked from osmocom/wireshark
d7fe514fc0
Add an FT_CHAR type, which is like FT_UINT8 except that the value is displayed as a C-style character constant. Allow use of C-style character constants in filter expressions; they can be used in comparisons with all integral types, and in "contains" operators. Use that type for some fields that appear (based on the way they're displayed, or on the use of C-style character constants in their value_string tables) to be 1-byte characters rather than 8-bit numbers. Change-Id: I39a9f0dda0bd7f4fa02a9ca8373216206f4d7135 Reviewed-on: https://code.wireshark.org/review/17787 Reviewed-by: Guy Harris <guy@alum.mit.edu>
229 lines
8.6 KiB
C
229 lines
8.6 KiB
C
/* to_str.h
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* Definitions for utilities to convert various other types to strings.
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __TO_STR_H__
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#define __TO_STR_H__
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#include <glib.h>
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#include "wsutil/nstime.h"
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#include <wsutil/inet_addr.h>
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#include "time_fmt.h"
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#include <epan/packet_info.h>
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#include <epan/ipv6.h>
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#include "ws_symbol_export.h"
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#include "wmem/wmem.h"
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#define GUID_STR_LEN 37
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#define MAX_IP_STR_LEN 16
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#define MAX_IP6_STR_LEN WS_INET6_ADDRSTRLEN
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#define MAX_ADDR_STR_LEN 256
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#define VINES_ADDR_LEN 6
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#define EUI64_STR_LEN 24
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#define AX25_ADDR_LEN 7
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#define FCWWN_ADDR_LEN 8
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/*
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* These are utility functions which convert various types to strings,
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* but for which no more specific module applies.
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*/
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WS_DLL_PUBLIC gchar* address_to_str(wmem_allocator_t *scope, const address *addr);
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WS_DLL_PUBLIC gchar* address_with_resolution_to_str(wmem_allocator_t *scope, const address *addr);
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WS_DLL_PUBLIC gchar* tvb_address_with_resolution_to_str(wmem_allocator_t *scope, tvbuff_t *tvb, int type, const gint offset);
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/*
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* address_to_name takes as input an "address", as defined in address.h.
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*
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* If the address is of a type that can be translated into a name, and the
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* user has activated name resolution, and the name can be resolved, it
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* returns a string containing the translated name.
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*
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* Otherwise, it returns NULL.
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*/
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WS_DLL_PUBLIC const gchar *address_to_name(const address *addr);
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/*
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* address_to_display takes as input an "address", as defined in address.h .
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*
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* If the address is of a type that can be translated into a name, and the
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* user has activated name resolution, and the name can be resolved, it
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* returns a string containing the translated name.
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*
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* Otherwise, if the address is of type AT_NONE, it returns "NONE".
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*
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* Otherwise, it returns a string containing the result of address_to_str
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* on the argument, which should be a string representation for the address,
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* e.g. "10.10.10.10" for IPv4 address 10.10.10.10.
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*/
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WS_DLL_PUBLIC
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gchar *address_to_display(wmem_allocator_t *allocator, const address *addr);
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WS_DLL_PUBLIC void address_to_str_buf(const address *addr, gchar *buf, int buf_len);
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#define tvb_ether_to_str(tvb, offset) tvb_address_to_str(wmem_packet_scope(), tvb, AT_ETHER, offset)
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#define tvb_ip_to_str(tvb, offset) tvb_address_to_str(wmem_packet_scope(), tvb, AT_IPv4, offset)
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#define tvb_ip6_to_str(tvb, offset) tvb_address_to_str(wmem_packet_scope(), tvb, AT_IPv6, offset)
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#define tvb_fcwwn_to_str(tvb, offset) tvb_address_to_str(wmem_packet_scope(), tvb, AT_FCWWN, offset)
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#define tvb_fc_to_str(tvb, offset) tvb_address_to_str(wmem_packet_scope(), tvb, AT_FC, offset)
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#define tvb_eui64_to_str(tvb, offset) tvb_address_to_str(wmem_packet_scope(), tvb, AT_EUI64, offset)
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void ip_to_str_buf(const guint8 *ad, gchar *buf, const int buf_len);
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void ip6_to_str_buf(const struct e_in6_addr *, gchar *, int buf_len);
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extern gchar* ipxnet_to_str_punct(wmem_allocator_t *scope, const guint32 ad, const char punct);
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WS_DLL_PUBLIC gchar* eui64_to_str(wmem_allocator_t *scope, const guint64 ad);
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WS_DLL_PUBLIC gchar* abs_time_to_str(wmem_allocator_t *scope, const nstime_t*, const absolute_time_display_e fmt,
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gboolean show_zone);
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WS_DLL_PUBLIC gchar* abs_time_secs_to_str(wmem_allocator_t *scope, const time_t, const absolute_time_display_e fmt,
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gboolean show_zone);
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WS_DLL_PUBLIC void display_epoch_time(gchar *, int, const time_t, gint32, const to_str_time_res_t);
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WS_DLL_PUBLIC void display_signed_time(gchar *, int, const gint32, gint32, const to_str_time_res_t);
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WS_DLL_PUBLIC gchar* signed_time_secs_to_str(wmem_allocator_t *scope, const gint32 time_val);
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WS_DLL_PUBLIC gchar* unsigned_time_secs_to_str(wmem_allocator_t *scope, const guint32);
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WS_DLL_PUBLIC gchar* signed_time_msecs_to_str(wmem_allocator_t *scope, gint32 time_val);
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extern void guint32_to_str_buf(guint32 u, gchar *buf, int buf_len);
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extern void guint64_to_str_buf(guint64 u, gchar *buf, int buf_len);
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WS_DLL_PUBLIC gchar* rel_time_to_str(wmem_allocator_t *scope, const nstime_t*);
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WS_DLL_PUBLIC gchar* rel_time_to_secs_str(wmem_allocator_t *scope, const nstime_t*);
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WS_DLL_PUBLIC gchar* guid_to_str(wmem_allocator_t *scope, const e_guid_t*);
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gchar* guid_to_str_buf(const e_guid_t*, gchar*, int);
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WS_DLL_PUBLIC char *decode_bits_in_field(const guint bit_offset, const gint no_of_bits, const guint64 value);
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WS_DLL_PUBLIC const gchar* port_type_to_str (port_type type);
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/** Turn an address type retrieved from a tvb into a string.
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*
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* @param scope memory allocation scheme used
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* @param tvb tvbuff to retrieve address
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* @param type address type to retrieve
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* @param offset offset into tvb to retrieve address
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* @return A pointer to the formatted string
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*
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*/
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WS_DLL_PUBLIC gchar* tvb_address_to_str(wmem_allocator_t *scope, tvbuff_t *tvb, int type, const gint offset);
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/** Turn an address type retrieved from a tvb into a string.
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*
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* @param scope memory allocation scheme used
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* @param tvb tvbuff to retrieve address
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* @param type address type to retrieve
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* @param offset offset into tvb to retrieve address
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* @param length The length of the string
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* @return A pointer to the formatted string
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*
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*/
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WS_DLL_PUBLIC gchar* tvb_address_var_to_str(wmem_allocator_t *scope, tvbuff_t *tvb, address_type type, const gint offset, int length);
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/**
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* guint8_to_hex()
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*
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* Output guint8 hex represetation to 'out', and return pointer after last character (out + 4).
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* It always output full representation (padded with 0).
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*
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* String is not NUL terminated by this routine.
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* There needs to be at least 2 bytes in the buffer.
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*/
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WS_DLL_PUBLIC char *guint8_to_hex(char *out, guint8 val);
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/**
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* word_to_hex()
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*
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* Output guint16 hex represetation to 'out', and return pointer after last character (out + 4).
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* It always output full representation (padded with 0).
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*
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* String is not NUL terminated by this routine.
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* There needs to be at least 4 bytes in the buffer.
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*/
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WS_DLL_PUBLIC char *word_to_hex(char *out, guint16 word);
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/**
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* dword_to_hex()
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*
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* Output guint32 hex represetation to 'out', and return pointer after last character.
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* It always output full representation (padded with 0).
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*
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* String is not NUL terminated by this routine.
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* There needs to be at least 8 bytes in the buffer.
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*/
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WS_DLL_PUBLIC char *dword_to_hex(char *out, guint32 dword);
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/** Turn an array of bytes into a string showing the bytes in hex.
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*
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* @param scope memory allocation scheme used
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* @param bd A pointer to the byte array
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* @param bd_len The length of the byte array
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* @return A pointer to the formatted string
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*/
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WS_DLL_PUBLIC char *bytes_to_str(wmem_allocator_t *scope, const guint8 *bd, int bd_len);
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/** Turn an array of bytes into a string showing the bytes in hex,
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* separated by a punctuation character.
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*
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* @param scope memory allocation scheme used
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* @param ad A pointer to the byte array
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* @param len The length of the byte array
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* @param punct The punctuation character
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* @return A pointer to the formatted string
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*
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* @see bytes_to_str()
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*/
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WS_DLL_PUBLIC gchar *bytestring_to_str(wmem_allocator_t *scope, const guint8 *ad, const guint32 len, const char punct);
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/**
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* bytes_to_hexstr()
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*
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* Output hex represetation of guint8 ad array, and return pointer after last character.
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* It always output full representation (padded with 0).
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*
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* String is not NUL terminated by this routine.
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* There needs to be at least len * 2 bytes in the buffer.
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*/
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WS_DLL_PUBLIC char *bytes_to_hexstr(char *out, const guint8 *ad, guint32 len);
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/**
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* uint_to_str_back()
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*
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* Output guint32 decimal representation backward (last character will be written on ptr - 1),
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* and return pointer to first character.
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*
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* String is not NUL terminated by this routine.
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* There needs to be at least 10 bytes in the buffer.
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*/
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WS_DLL_PUBLIC char *uint_to_str_back(char *ptr, guint32 value);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __TO_STR_H__ */
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