From e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 10 Apr 2024 22:34:10 +0200 Subject: Adding upstream version 4.2.2. Signed-off-by: Daniel Baumann --- wsutil/strtoi.h | 108 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 wsutil/strtoi.h (limited to 'wsutil/strtoi.h') diff --git a/wsutil/strtoi.h b/wsutil/strtoi.h new file mode 100644 index 0000000..04fe802 --- /dev/null +++ b/wsutil/strtoi.h @@ -0,0 +1,108 @@ +/** @file + * Utilities to convert strings to integers + * + * Copyright 2016, Dario Lombardo + * + * Wireshark - Network traffic analyzer + * By Gerald Combs + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef _WS_STRTOI_H +#define _WS_STRTOI_H + +#include +#include + +#include "ws_symbol_export.h" + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/* + * \brief Convert a decimal string to a signed/unsigned int, with error checks. + * \param str The string to convert + * \param endptr A pointer that will store a pointer to the first invalid + * character in str, allowing a number to be parsed even if there is trailing + * whitespace. If NULL, then the string is assumed to contain only valid + * characters (or it will error out). + * \param cint The converted integer + * \return true if the conversion succeeds, false otherwise. + * On error, errno is set to EINVAL for unrecognized input and ERANGE + * if the resulting number does not fit in the type. + */ +WS_DLL_PUBLIC bool ws_strtoi64(const char* str, const char** endptr, int64_t* cint); +WS_DLL_PUBLIC bool ws_strtoi32(const char* str, const char** endptr, int32_t* cint); +WS_DLL_PUBLIC bool ws_strtoi16(const char* str, const char** endptr, int16_t* cint); +WS_DLL_PUBLIC bool ws_strtoi8 (const char* str, const char** endptr, int8_t* cint); +WS_DLL_PUBLIC bool ws_strtoi (const char* str, const char** endptr, int* cint); + +WS_DLL_PUBLIC bool ws_strtou64(const char* str, const char** endptr, uint64_t* cint); +WS_DLL_PUBLIC bool ws_strtou32(const char* str, const char** endptr, uint32_t* cint); +WS_DLL_PUBLIC bool ws_strtou16(const char* str, const char** endptr, uint16_t* cint); +WS_DLL_PUBLIC bool ws_strtou8 (const char* str, const char** endptr, uint8_t* cint); +WS_DLL_PUBLIC bool ws_strtou (const char* str, const char** endptr, unsigned* cint); + +/* + * \brief Convert a hexadecimal string to an unsigned int, with error checks. + * \param str The string to convert + * \param endptr A pointer that will store a pointer to the first invalid + * character in str, allowing a number to be parsed even if there is trailing + * whitespace. If NULL, then the string is assumed to contain only valid + * characters (or it will error out). + * \param cint The converted integer + * \return true if the conversion succeeds, false otherwise. + * On error, errno is set to EINVAL for unrecognized input and ERANGE + * if the resulting number does not fit in the type. + */ + +WS_DLL_PUBLIC bool ws_hexstrtou64(const char* str, const char** endptr, uint64_t* cint); +WS_DLL_PUBLIC bool ws_hexstrtou32(const char* str, const char** endptr, uint32_t* cint); +WS_DLL_PUBLIC bool ws_hexstrtou16(const char* str, const char** endptr, uint16_t* cint); +WS_DLL_PUBLIC bool ws_hexstrtou8 (const char* str, const char** endptr, uint8_t* cint); +WS_DLL_PUBLIC bool ws_hexstrtou (const char* str, const char** endptr, unsigned* cint); + +/* + * \brief Convert a string in the specified base to an unsigned int, with + * error checks. + * \param str The string to convert + * \param endptr A pointer that will store a pointer to the first invalid + * character in str, allowing a number to be parsed even if there is trailing + * whitespace. If NULL, then the string is assumed to contain only valid + * characters (or it will error out). + * \param cint The converted integer + * \param base The base for the integer; 0 means "if it begins with 0x, + * it's hex, otherwise if it begins with 0, it's octal, otherwise it's + * decimal". + * \return true if the conversion succeeds, false otherwise. + * On error, errno is set to EINVAL for unrecognized input and ERANGE + * if the resulting number does not fit in the type. + */ + +WS_DLL_PUBLIC bool ws_basestrtou64(const char* str, const char** endptr, uint64_t* cint, int base); +WS_DLL_PUBLIC bool ws_basestrtou32(const char* str, const char** endptr, uint32_t* cint, int base); +WS_DLL_PUBLIC bool ws_basestrtou16(const char* str, const char** endptr, uint16_t* cint, int base); +WS_DLL_PUBLIC bool ws_basestrtou8 (const char* str, const char** endptr, uint8_t* cint, int base); +WS_DLL_PUBLIC bool ws_basestrtou (const char* str, const char** endptr, unsigned* cint, int base); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif + +/* + * Editor modelines - https://www.wireshark.org/tools/modelines.html + * + * Local variables: + * c-basic-offset: 4 + * tab-width: 8 + * indent-tabs-mode: t + * End: + * + * vi: set shiftwidth=4 tabstop=8 noexpandtab: + * :indentSize=4:tabSize=8:noTabs=false: + */ -- cgit v1.2.3