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unitree_SDK/include/dds/ddsrt/strtol.h
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181
unitree_SDK/include/dds/ddsrt/strtol.h
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/*
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* Copyright(c) 2006 to 2019 ZettaScale Technology and others
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*
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* This program and the accompanying materials are made available under the
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* terms of the Eclipse Public License v. 2.0 which is available at
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* http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
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* v. 1.0 which is available at
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* http://www.eclipse.org/org/documents/edl-v10.php.
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*
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* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
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*/
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#ifndef DDSRT_STRTOL_H
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#define DDSRT_STRTOL_H
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#include <stdint.h>
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#include "dds/export.h"
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#include "dds/ddsrt/retcode.h"
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/**
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* @brief Convert a character to an integer value
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*
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* Translates the numeric value of the provided character. For characters in range
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* '0' to '9' the returned integer value is 0-9. For the range 'a' to 'z' and 'A'
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* to 'Z', the numeric return value is 10-36.
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*
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* @param[in] chr The character
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*
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* @returns The integer value for the character, or -1 in case @chr cannot be translated to a numeric value
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*/
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DDS_EXPORT int32_t ddsrt_todigit(const int chr);
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/**
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* @brief Convert a string to a long long integer.
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*
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* Translate @str to a long long integer considering base, and sign. If @base
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* is 0, base is determined from @str. A prefix of "0x" or "0X" will cause the
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* number be read in base 16 (hexadecimal), otherwise base 10 (decimal) is
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* used, unless the first character is '0', in which case the number will be
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* read in base 8 (octal).
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*
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* @param[in] str String to convert into a number.
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* @param[out] endptr If not NULL, a char* where the address of first invalid
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* character is stored.
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* @param[in] base Base to use. Must be a base between 2 and 36, or 0 to
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* determine from @str.
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* @param[out] llng A long long integer where the number is stored.
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*
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* @returns A dds_return_t indicating success or failure.
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*
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* @retval DDS_RETCODE_OK
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* String successfully converted to an integer.
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* @retval DDS_RETCODE_BAD_PARAMETER
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* Base is invalid.
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* @retval DDS_RETCODE_OUT_OF_RANGE
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* String converted to an integer, but was out of range.
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*/
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DDS_EXPORT dds_return_t
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ddsrt_strtoll(
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const char *str,
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char **endptr,
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int32_t base,
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long long *llng);
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/**
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* @brief Convert a string to an unsigned long long integer.
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*
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* Translate @str to an unsigned long long integer considering base, and sign.
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* If @base is 0, base is determined from @str. A prefix of "0x" or "0X" will
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* cause the number be read in base 16 (hexadecimal), otherwise base 10
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* (decimal) is used, unless the first character is '0', in which case the
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* number will be read in base 8 (octal).
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*
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* @param[in] str String to convert into a number.
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* @param[out] endptr If not NULL, a char* where the address of first invalid
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* character is stored.
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* @param[in] base Base to use. Must be a base between 2 and 36, or 0 to
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* determine from @str.
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* @param[out] ullng A long long integer where the number is stored.
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*
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* @returns A dds_return_t indicating success or failure.
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*
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* @retval DDS_RETCODE_OK
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* String successfully converted to an integer.
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* @retval DDS_RETCODE_BAD_PARAMETER
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* Base is invalid.
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* @retval DDS_RETCODE_OUT_OF_RANGE
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* String converted to an integer, but was out of range.
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*/
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DDS_EXPORT dds_return_t
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ddsrt_strtoull(
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const char *str,
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char **endptr,
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int32_t base,
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unsigned long long *ullng);
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/**
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* @brief Convert a string to a long long integer.
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*
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* @param[in] str String to convert into a long long integer.
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* @param[in] llng A long long integer where the number is stored.
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*
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* @returns A dds_return_t indicating success or failure.
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*
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* @retval DDS_RETCODE_OK
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* String successfully converted to an integer.
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* @retval DDS_RETCODE_BAD_PARAMETER
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* Base is invalid.
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* @retval DDS_RETCODE_OUT_OF_RANGE
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* String converted to an integer, but was out of range.
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*/
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DDS_EXPORT dds_return_t
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ddsrt_atoll(
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const char *str,
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long long *llng);
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/**
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* @brief Convert a string to an unsigned long long integer.
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*
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* @param[in] str String to conver into an unsigned long long integer.
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* @param[out] ullng An unsigned long long integer where the number is stored.
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*
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* @returns A dds_return_t indicating success or failure.
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*
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* @retval DDS_RETCODE_OK
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* String successfully converted to an integer.
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* @retval DDS_RETCODE_BAD_PARAMETER
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* Base is invalid.
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* @retval DDS_RETCODE_OUT_OF_RANGE
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* String converted to an integer, but was out of range.
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*/
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DDS_EXPORT dds_return_t
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ddsrt_atoull(
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const char *str,
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unsigned long long *ullng);
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/**
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* @brief Convert a long long integer into a string.
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*
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* @param[in] num Long long integer to convert into a string.
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* @param[in] str Buffer where string representation is written.
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* @param[in] len Number of bytes available in buffer.
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* @param[out] endptr A char* where the address of the null terminating byte
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* is stored.
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*
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* @returns The value of @str on success, otherwise NULL.
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*/
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DDS_EXPORT char *
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ddsrt_lltostr(
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long long num,
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char *str,
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size_t len,
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char **endptr);
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/**
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* @brief Convert an unsigned long long integer into a string.
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*
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* @param[in] num Unsigned long long integer to covert into a string.
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* @param[in] str Buffer where string representation is stored.
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* @param[in] len Number of bytes available in buffer.
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* @param[out] endptr A char* where the adress of the null terminating byte
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* is stored.
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*
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* @returns The value of @str on success, otherwise NULL.
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*/
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DDS_EXPORT char *
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ddsrt_ulltostr(
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unsigned long long num,
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char *str,
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size_t len,
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char **endptr);
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#if defined(__cplusplus)
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}
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#endif
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#endif /* DDSRT_STRTOL_H */
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