forked from osmocom/wireshark
108 lines
4.5 KiB
C
108 lines
4.5 KiB
C
/** @file
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* Utilities to convert strings to integers
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*
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* Copyright 2016, Dario Lombardo
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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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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef _WS_STRTOI_H
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#define _WS_STRTOI_H
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#include <glib.h>
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#include "ws_symbol_export.h"
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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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* \brief Convert a decimal string to a signed/unsigned int, with error checks.
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* \param str The string to convert
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* \param endptr A pointer that will store a pointer to the first invalid
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* character in str, allowing a number to be parsed even if there is trailing
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* whitespace. If NULL, then the string is assumed to contain only valid
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* characters (or it will error out).
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* \param cint The converted integer
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* \return TRUE if the conversion succeeds, FALSE otherwise.
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* On error, errno is set to EINVAL for unrecognized input and ERANGE
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* if the resulting number does not fit in the type.
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*/
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WS_DLL_PUBLIC gboolean ws_strtoi64(const gchar* str, const gchar** endptr, gint64* cint);
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WS_DLL_PUBLIC gboolean ws_strtoi32(const gchar* str, const gchar** endptr, gint32* cint);
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WS_DLL_PUBLIC gboolean ws_strtoi16(const gchar* str, const gchar** endptr, gint16* cint);
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WS_DLL_PUBLIC gboolean ws_strtoi8 (const gchar* str, const gchar** endptr, gint8* cint);
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WS_DLL_PUBLIC gboolean ws_strtoi (const gchar* str, const gchar** endptr, gint* cint);
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WS_DLL_PUBLIC gboolean ws_strtou64(const gchar* str, const gchar** endptr, guint64* cint);
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WS_DLL_PUBLIC gboolean ws_strtou32(const gchar* str, const gchar** endptr, guint32* cint);
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WS_DLL_PUBLIC gboolean ws_strtou16(const gchar* str, const gchar** endptr, guint16* cint);
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WS_DLL_PUBLIC gboolean ws_strtou8 (const gchar* str, const gchar** endptr, guint8* cint);
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WS_DLL_PUBLIC gboolean ws_strtou (const gchar* str, const gchar** endptr, guint* cint);
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/*
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* \brief Convert a hexadecimal string to an unsigned int, with error checks.
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* \param str The string to convert
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* \param endptr A pointer that will store a pointer to the first invalid
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* character in str, allowing a number to be parsed even if there is trailing
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* whitespace. If NULL, then the string is assumed to contain only valid
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* characters (or it will error out).
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* \param cint The converted integer
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* \return TRUE if the conversion succeeds, FALSE otherwise.
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* On error, errno is set to EINVAL for unrecognized input and ERANGE
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* if the resulting number does not fit in the type.
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*/
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WS_DLL_PUBLIC gboolean ws_hexstrtou64(const gchar* str, const gchar** endptr, guint64* cint);
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WS_DLL_PUBLIC gboolean ws_hexstrtou32(const gchar* str, const gchar** endptr, guint32* cint);
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WS_DLL_PUBLIC gboolean ws_hexstrtou16(const gchar* str, const gchar** endptr, guint16* cint);
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WS_DLL_PUBLIC gboolean ws_hexstrtou8 (const gchar* str, const gchar** endptr, guint8* cint);
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WS_DLL_PUBLIC gboolean ws_hexstrtou (const gchar* str, const gchar** endptr, guint* cint);
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/*
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* \brief Convert a string in the specified base to an unsigned int, with
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* error checks.
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* \param str The string to convert
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* \param endptr A pointer that will store a pointer to the first invalid
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* character in str, allowing a number to be parsed even if there is trailing
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* whitespace. If NULL, then the string is assumed to contain only valid
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* characters (or it will error out).
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* \param cint The converted integer
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* \param base The base for the integer; 0 means "if it begins with 0x,
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* it's hex, otherwise if it begins with 0, it's octal, otherwise it's
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* decimal".
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* \return TRUE if the conversion succeeds, FALSE otherwise.
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* On error, errno is set to EINVAL for unrecognized input and ERANGE
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* if the resulting number does not fit in the type.
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*/
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WS_DLL_PUBLIC gboolean ws_basestrtou64(const gchar* str, const gchar** endptr, guint64* cint, int base);
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WS_DLL_PUBLIC gboolean ws_basestrtou32(const gchar* str, const gchar** endptr, guint32* cint, int base);
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WS_DLL_PUBLIC gboolean ws_basestrtou16(const gchar* str, const gchar** endptr, guint16* cint, int base);
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WS_DLL_PUBLIC gboolean ws_basestrtou8 (const gchar* str, const gchar** endptr, guint8* cint, int base);
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WS_DLL_PUBLIC gboolean ws_basestrtou (const gchar* str, const gchar** endptr, guint* cint, int base);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif
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/*
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* Editor modelines - https://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: t
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* End:
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*
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* vi: set shiftwidth=4 tabstop=8 noexpandtab:
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* :indentSize=4:tabSize=8:noTabs=false:
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*/
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