| | |
| | | /* ///////////////////////////////////////////////////////////////////////////// |
| | | * File: b64/b64.h |
| | | * |
| | | * Purpose: Header file for the b64 library |
| | | * |
| | | * Created: 18th October 2004 |
| | | * Updated: 24th August 2008 |
| | | * |
| | | * Thanks: To Adam McLaurin, for ideas regarding the b64_decode2() and |
| | | * b64_encode2(). |
| | | * |
| | | * Home: http://synesis.com.au/software/ |
| | | * |
| | | * Copyright (c) 2004-2008, Matthew Wilson and Synesis Software |
| | | * All rights reserved. |
| | | * |
| | | * Redistribution and use in source and binary forms, with or without |
| | | * modification, are permitted provided that the following conditions are met: |
| | | * |
| | | * - Redistributions of source code must retain the above copyright notice, this |
| | | * list of conditions and the following disclaimer. |
| | | * - Redistributions in binary form must reproduce the above copyright notice, |
| | | * this list of conditions and the following disclaimer in the documentation |
| | | * and/or other materials provided with the distribution. |
| | | * - Neither the name(s) of Matthew Wilson and Synesis Software nor the names of |
| | | * any contributors may be used to endorse or promote products derived from |
| | | * this software without specific prior written permission. |
| | | * |
| | | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| | | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| | | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| | | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| | | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| | | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| | | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| | | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| | | * POSSIBILITY OF SUCH DAMAGE. |
| | | * |
| | | * ////////////////////////////////////////////////////////////////////////// */ |
| | | |
| | | |
| | | /** \file ortp/b64.h |
| | | * |
| | | * \brief [C/C++] Header file for the b64 library. |
| | | */ |
| | | |
| | | #ifndef B64_INCL_B64_H_B64 |
| | | #define B64_INCL_B64_H_B64 |
| | | |
| | | /* ///////////////////////////////////////////////////////////////////////////// |
| | | * Version information |
| | | */ |
| | | |
| | | #ifndef B64_DOCUMENTATION_SKIP_SECTION |
| | | # define B64_VER_B64_H_B64_MAJOR 1 |
| | | # define B64_VER_B64_H_B64_MINOR 5 |
| | | # define B64_VER_B64_H_B64_REVISION 4 |
| | | # define B64_VER_B64_H_B64_EDIT 28 |
| | | #endif /* !B64_DOCUMENTATION_SKIP_SECTION */ |
| | | |
| | | /** \def B64_VER_MAJOR |
| | | * The major version number of b64 |
| | | */ |
| | | |
| | | /** \def B64_VER_MINOR |
| | | * The minor version number of b64 |
| | | */ |
| | | |
| | | /** \def B64_VER_REVISION |
| | | * The revision version number of b64 |
| | | */ |
| | | |
| | | /** \def B64_VER |
| | | * The current composite version number of b64 |
| | | */ |
| | | |
| | | #ifndef B64_DOCUMENTATION_SKIP_SECTION |
| | | # define B64_VER_1_0_1 0x01000100 |
| | | # define B64_VER_1_0_2 0x01000200 |
| | | # define B64_VER_1_0_3 0x01000300 |
| | | # define B64_VER_1_1_1 0x01010100 |
| | | # define B64_VER_1_1_2 0x01010200 |
| | | # define B64_VER_1_1_3 0x01010300 |
| | | # define B64_VER_1_2_1 0x01020100 |
| | | # define B64_VER_1_2_2 0x01020200 |
| | | # define B64_VER_1_2_3 0x01020300 |
| | | # define B64_VER_1_2_4 0x01020400 |
| | | # define B64_VER_1_2_5 0x01020500 |
| | | # define B64_VER_1_2_6 0x01020600 |
| | | # define B64_VER_1_2_7 0x01020700 |
| | | # define B64_VER_1_3_1 0x010301ff |
| | | # define B64_VER_1_3_2 0x010302ff |
| | | # define B64_VER_1_3_3 0x010303ff |
| | | # define B64_VER_1_3_4 0x010304ff |
| | | |
| | | # define B64_VER B64_VER_1_3_4 |
| | | #else /* ? B64_DOCUMENTATION_SKIP_SECTION */ |
| | | # define B64_VER 0x010304ff |
| | | #endif /* !B64_DOCUMENTATION_SKIP_SECTION */ |
| | | |
| | | #define B64_VER_MAJOR 1 |
| | | #define B64_VER_MINOR 3 |
| | | #define B64_VER_REVISION 4 |
| | | |
| | | /* ///////////////////////////////////////////////////////////////////////////// |
| | | * Includes |
| | | */ |
| | | |
| | | #include <stddef.h> |
| | | #include "ortp/port.h" |
| | | |
| | | /* ///////////////////////////////////////////////////////////////////////////// |
| | | * Namespace |
| | | */ |
| | | |
| | | #if !defined(B64_NO_NAMESPACE) && \ |
| | | !defined(__cplusplus) |
| | | # define B64_NO_NAMESPACE |
| | | #endif /* !B64_NO_NAMESPACE && !__cplusplus */ |
| | | |
| | | #ifdef B64_NAMESPACE |
| | | # undef B64_NAMESPACE |
| | | #endif /* B64_NAMESPACE */ |
| | | |
| | | #ifdef B64_NAMESPACE_QUALIFIER |
| | | # undef B64_NAMESPACE_QUALIFIER |
| | | #endif /* B64_NAMESPACE_QUALIFIER */ |
| | | |
| | | |
| | | #ifndef B64_NO_NAMESPACE |
| | | |
| | | # ifdef B64_CUSTOM_NAMESPACE |
| | | # define B64_NAMESPACE B64_CUSTOM_NAMESPACE |
| | | # else /* ? B64_CUSTOM_NAMESPACE */ |
| | | # define B64_NAMESPACE b64 |
| | | # endif /* B64_CUSTOM_NAMESPACE */ |
| | | |
| | | # if defined(B64_CUSTOM_NAMESPACE) && \ |
| | | defined(B64_CUSTOM_NAMESPACE_QUALIFIER) |
| | | # define B64_NAMESPACE_QUALIFIER B64_CUSTOM_NAMESPACE_QUALIFIER |
| | | # else /* B64_CUSTOM_NAMESPACE && B64_CUSTOM_NAMESPACE_QUALIFIER */ |
| | | # define B64_NAMESPACE_QUALIFIER ::B64_NAMESPACE |
| | | # endif /* B64_CUSTOM_NAMESPACE && B64_CUSTOM_NAMESPACE_QUALIFIER */ |
| | | |
| | | |
| | | /** \brief [C/C++] The b64 namespace, within which the core library types and functions |
| | | * reside in C++ compilation. In C compilation, they all reside in the global |
| | | * namespace. |
| | | * |
| | | * \htmlonly |
| | | * <hr> |
| | | * \endhtmlonly |
| | | */ |
| | | namespace B64_NAMESPACE |
| | | { |
| | | #endif /* !B64_NO_NAMESPACE */ |
| | | |
| | | /* ///////////////////////////////////////////////////////////////////////////// |
| | | * Enumerations |
| | | */ |
| | | |
| | | /** \brief Return codes (from b64_encode2() / b64_decode2()) |
| | | */ |
| | | enum B64_RC |
| | | { |
| | | B64_RC_OK = 0 /*!< Operation was successful. */ |
| | | , B64_RC_INSUFFICIENT_BUFFER = 1 /*!< The given translation buffer was not of sufficient size. */ |
| | | , B64_RC_TRUNCATED_INPUT = 2 /*!< The input did not represent a fully formed stream of octet couplings. */ |
| | | , B64_RC_DATA_ERROR = 3 /*!< Invalid data. */ |
| | | #ifndef B64_DOCUMENTATION_SKIP_SECTION |
| | | , B64_max_RC_value |
| | | #endif /* !B64_DOCUMENTATION_SKIP_SECTION */ |
| | | }; |
| | | |
| | | #ifndef __cplusplus |
| | | typedef enum B64_RC B64_RC; |
| | | #endif /* !__cplusplus */ |
| | | |
| | | /** \brief Coding behaviour modification flags (for b64_encode2() / b64_decode2()) |
| | | */ |
| | | enum B64_FLAGS |
| | | { |
| | | B64_F_LINE_LEN_USE_PARAM = 0x0000 /*!< Uses the lineLen parameter to b64_encode2(). Ignored by b64_decode2(). */ |
| | | , B64_F_LINE_LEN_INFINITE = 0x0001 /*!< Ignores the lineLen parameter to b64_encode2(). Line length is infinite. Ignored by b64_decode2(). */ |
| | | , B64_F_LINE_LEN_64 = 0x0002 /*!< Ignores the lineLen parameter to b64_encode2(). Line length is 64. Ignored by b64_decode2(). */ |
| | | , B64_F_LINE_LEN_76 = 0x0003 /*!< Ignores the lineLen parameter to b64_encode2(). Line length is 76. Ignored by b64_decode2(). */ |
| | | , B64_F_LINE_LEN_MASK = 0x000f /*!< Mask for testing line length flags to b64_encode2(). Ignored by b64_encode2(). */ |
| | | , B64_F_STOP_ON_NOTHING = 0x0000 /*!< Decoding ignores all invalid characters in the input data. Ignored by b64_encode2(). */ |
| | | , B64_F_STOP_ON_UNKNOWN_CHAR = 0x0100 /*!< Causes decoding to break if any non-Base-64 [a-zA-Z0-9=+/], non-whitespace character is encountered. Ignored by b64_encode2(). */ |
| | | , B64_F_STOP_ON_UNEXPECTED_WS = 0x0200 /*!< Causes decoding to break if any unexpected whitespace is encountered. Ignored by b64_encode2(). */ |
| | | , B64_F_STOP_ON_BAD_CHAR = 0x0300 /*!< Causes decoding to break if any non-Base-64 [a-zA-Z0-9=+/] character is encountered. Ignored by b64_encode2(). */ |
| | | }; |
| | | |
| | | #ifndef __cplusplus |
| | | typedef enum B64_FLAGS B64_FLAGS; |
| | | #endif /* !__cplusplus */ |
| | | |
| | | /* ///////////////////////////////////////////////////////////////////////////// |
| | | * Functions |
| | | */ |
| | | |
| | | #ifdef __cplusplus |
| | | extern "C" { |
| | | #endif /* __cplusplus */ |
| | | |
| | | /** \brief Encodes a block of binary data into Base-64 |
| | | * |
| | | * \param src Pointer to the block to be encoded. May not be NULL, except when |
| | | * \c dest is NULL, in which case it is ignored. |
| | | * \param srcSize Length of block to be encoded |
| | | * \param dest Pointer to the buffer into which the result is to be written. May |
| | | * be NULL, in which case the function returns the required length |
| | | * \param destLen Length of the buffer into which the result is to be written. Must |
| | | * be at least as large as that indicated by the return value from |
| | | * \link b64::b64_encode b64_encode(NULL, srcSize, NULL, 0)\endlink. |
| | | * |
| | | * \return 0 if the size of the buffer was insufficient, or the length of the |
| | | * converted buffer was longer than \c destLen |
| | | * |
| | | * \note The function returns the required length if \c dest is NULL |
| | | * |
| | | * \note The function returns the required length if \c dest is NULL. The returned size |
| | | * might be larger than the actual required size, but will never be smaller. |
| | | * |
| | | * \note Threading: The function is fully re-entrant. |
| | | * |
| | | * \see b64::encode() |
| | | */ |
| | | ORTP_PUBLIC size_t b64_encode(void const *src, size_t srcSize, char *dest, size_t destLen); |
| | | |
| | | /** \brief Encodes a block of binary data into Base-64 |
| | | * |
| | | * \param src Pointer to the block to be encoded. May not be NULL, except when |
| | | * \c dest is NULL, in which case it is ignored. |
| | | * \param srcSize Length of block to be encoded |
| | | * \param dest Pointer to the buffer into which the result is to be written. May |
| | | * be NULL, in which case the function returns the required length |
| | | * \param destLen Length of the buffer into which the result is to be written. Must |
| | | * be at least as large as that indicated by the return value from |
| | | * \link b64::b64_encode2 b64_encode2(NULL, srcSize, NULL, 0, flags, lineLen, rc)\endlink. |
| | | * \param flags A combination of the B64_FLAGS enumeration, that moderate the |
| | | * behaviour of the function |
| | | * \param lineLen If the flags parameter contains B64_F_LINE_LEN_USE_PARAM, then |
| | | * this parameter represents the length of the lines into which the encoded form is split, |
| | | * with a hard line break ('\\r\\n'). If this value is 0, then the line is not |
| | | * split. If it is <0, then the RFC-1113 recommended line length of 64 is used |
| | | * \param rc The return code representing the status of the operation. May be NULL. |
| | | * |
| | | * \return 0 if the size of the buffer was insufficient, or the length of the |
| | | * converted buffer was longer than \c destLen |
| | | * |
| | | * \note The function returns the required length if \c dest is NULL. The returned size |
| | | * might be larger than the actual required size, but will never be smaller. |
| | | * |
| | | * \note Threading: The function is fully re-entrant. |
| | | * |
| | | * \see b64::encode() |
| | | */ |
| | | size_t b64_encode2( void const *src |
| | | , size_t srcSize |
| | | , char *dest |
| | | , size_t destLen |
| | | , unsigned flags |
| | | , int lineLen /* = 0 */ |
| | | , B64_RC *rc /* = NULL */); |
| | | |
| | | /** \brief Decodes a sequence of Base-64 into a block of binary data |
| | | * |
| | | * \param src Pointer to the Base-64 block to be decoded. May not be NULL, except when |
| | | * \c dest is NULL, in which case it is ignored. If \c dest is NULL, and \c src is |
| | | * <b>not</b> NULL, then the returned value is calculated exactly, otherwise a value |
| | | * is returned that is guaranteed to be large enough to hold the decoded block. |
| | | * |
| | | * \param srcLen Length of block to be encoded. Must be an integral of 4, the Base-64 |
| | | * encoding quantum, otherwise the Base-64 block is assumed to be invalid |
| | | * \param dest Pointer to the buffer into which the result is to be written. May |
| | | * be NULL, in which case the function returns the required length |
| | | * \param destSize Length of the buffer into which the result is to be written. Must |
| | | * be at least as large as that indicated by the return value from |
| | | * \c b64_decode(src, srcSize, NULL, 0), even in the case where the encoded form |
| | | * contains a number of characters that will be ignored, resulting in a lower total |
| | | * length of converted form. |
| | | * |
| | | * \return 0 if the size of the buffer was insufficient, or the length of the |
| | | * converted buffer was longer than \c destSize |
| | | * |
| | | * \note The function returns the required length if \c dest is NULL. The returned size |
| | | * might be larger than the actual required size, but will never be smaller. |
| | | * |
| | | * \note \anchor anchor__4_characters The behaviour of both |
| | | * \link b64::b64_encode2 b64_encode2()\endlink |
| | | * and |
| | | * \link b64::b64_decode2 b64_decode2()\endlink |
| | | * are undefined if the line length is not a multiple of 4. |
| | | * |
| | | * \note Threading: The function is fully re-entrant. |
| | | * |
| | | * \see b64::decode() |
| | | */ |
| | | ORTP_PUBLIC size_t b64_decode(char const *src, size_t srcLen, void *dest, size_t destSize); |
| | | |
| | | /** \brief Decodes a sequence of Base-64 into a block of binary data |
| | | * |
| | | * \param src Pointer to the Base-64 block to be decoded. May not be NULL, except when |
| | | * \c dest is NULL, in which case it is ignored. If \c dest is NULL, and \c src is |
| | | * <b>not</b> NULL, then the returned value is calculated exactly, otherwise a value |
| | | * is returned that is guaranteed to be large enough to hold the decoded block. |
| | | * |
| | | * \param srcLen Length of block to be encoded. Must be an integral of 4, the Base-64 |
| | | * encoding quantum, otherwise the Base-64 block is assumed to be invalid |
| | | * \param dest Pointer to the buffer into which the result is to be written. May |
| | | * be NULL, in which case the function returns the required length |
| | | * \param destSize Length of the buffer into which the result is to be written. Must |
| | | * be at least as large as that indicated by the return value from |
| | | * \c b64_decode(src, srcSize, NULL, 0), even in the case where the encoded form |
| | | * contains a number of characters that will be ignored, resulting in a lower total |
| | | * length of converted form. |
| | | * \param flags A combination of the B64_FLAGS enumeration, that moderate the |
| | | * behaviour of the function. |
| | | * \param rc The return code representing the status of the operation. May be NULL. |
| | | * \param badChar If the flags parameter does not contain B64_F_STOP_ON_NOTHING, this |
| | | * parameter specifies the address of a pointer that will be set to point to any |
| | | * character in the sequence that stops the parsing, as dictated by the flags |
| | | * parameter. May be NULL. |
| | | * |
| | | * \return 0 if the size of the buffer was insufficient, or the length of the |
| | | * converted buffer was longer than \c destSize, or a bad character stopped parsing. |
| | | * |
| | | * \note The function returns the required length if \c dest is NULL. The returned size |
| | | * might be larger than the actual required size, but will never be smaller. |
| | | * |
| | | * \note The behaviour of both |
| | | * \link b64::b64_encode2 b64_encode2()\endlink |
| | | * and |
| | | * \link b64::b64_decode2 b64_decode2()\endlink |
| | | * are undefined if the line length is not a multiple of 4. |
| | | * |
| | | * \note Threading: The function is fully re-entrant. |
| | | * |
| | | * \see b64::decode() |
| | | */ |
| | | size_t b64_decode2( char const *src |
| | | , size_t srcLen |
| | | , void *dest |
| | | , size_t destSize |
| | | , unsigned flags |
| | | , char const **badChar /* = NULL */ |
| | | , B64_RC *rc /* = NULL */); |
| | | |
| | | |
| | | /** \brief Returns the textual description of the error |
| | | * |
| | | * \param code The \link b64::B64_RC error code\endlink |
| | | */ |
| | | char const *b64_getErrorString(B64_RC code); |
| | | |
| | | /** \brief Returns the length of the textual description of the error |
| | | * |
| | | * \see b64_getErrorString() |
| | | * |
| | | * \param code The \link b64::B64_RC error code\endlink |
| | | */ |
| | | size_t b64_getErrorStringLength(B64_RC code); |
| | | |
| | | |
| | | #ifdef __cplusplus |
| | | } /* extern "C" */ |
| | | #endif /* __cplusplus */ |
| | | |
| | | /* ///////////////////////////////////////////////////////////////////////////// |
| | | * Namespace |
| | | */ |
| | | |
| | | #ifndef B64_NO_NAMESPACE |
| | | } /* namespace B64_NAMESPACE */ |
| | | |
| | | # ifndef B64_DOCUMENTATION_SKIP_SECTION |
| | | |
| | | namespace stlsoft |
| | | { |
| | | |
| | | inline char const *c_str_data_a( B64_NAMESPACE_QUALIFIER::B64_RC code) |
| | | { |
| | | return B64_NAMESPACE_QUALIFIER::b64_getErrorString(code); |
| | | } |
| | | inline char const *c_str_data( B64_NAMESPACE_QUALIFIER::B64_RC code) |
| | | { |
| | | return B64_NAMESPACE_QUALIFIER::b64_getErrorString(code); |
| | | } |
| | | |
| | | inline size_t c_str_len_a( B64_NAMESPACE_QUALIFIER::B64_RC code) |
| | | { |
| | | return B64_NAMESPACE_QUALIFIER::b64_getErrorStringLength(code); |
| | | } |
| | | inline size_t c_str_len( B64_NAMESPACE_QUALIFIER::B64_RC code) |
| | | { |
| | | return B64_NAMESPACE_QUALIFIER::b64_getErrorStringLength(code); |
| | | } |
| | | |
| | | inline char const *c_str_ptr_a( B64_NAMESPACE_QUALIFIER::B64_RC code) |
| | | { |
| | | return B64_NAMESPACE_QUALIFIER::b64_getErrorString(code); |
| | | } |
| | | inline char const *c_str_ptr( B64_NAMESPACE_QUALIFIER::B64_RC code) |
| | | { |
| | | return B64_NAMESPACE_QUALIFIER::b64_getErrorString(code); |
| | | } |
| | | |
| | | } /* namespace stlsoft */ |
| | | |
| | | # endif /* !B64_DOCUMENTATION_SKIP_SECTION */ |
| | | |
| | | #endif /* !B64_NO_NAMESPACE */ |
| | | |
| | | /* ////////////////////////////////////////////////////////////////////////// */ |
| | | |
| | | #endif /* B64_INCL_B64_H_B64 */ |
| | | |
| | | /* ////////////////////////////////////////////////////////////////////////// */ |
| | | /* /////////////////////////////////////////////////////////////////////////////
|
| | | * File: b64/b64.h
|
| | | *
|
| | | * Purpose: Header file for the b64 library
|
| | | *
|
| | | * Created: 18th October 2004
|
| | | * Updated: 24th August 2008
|
| | | *
|
| | | * Thanks: To Adam McLaurin, for ideas regarding the b64_decode2() and
|
| | | * b64_encode2().
|
| | | *
|
| | | * Home: http://synesis.com.au/software/
|
| | | *
|
| | | * Copyright (c) 2004-2008, Matthew Wilson and Synesis Software
|
| | | * All rights reserved.
|
| | | *
|
| | | * Redistribution and use in source and binary forms, with or without
|
| | | * modification, are permitted provided that the following conditions are met:
|
| | | *
|
| | | * - Redistributions of source code must retain the above copyright notice, this
|
| | | * list of conditions and the following disclaimer.
|
| | | * - Redistributions in binary form must reproduce the above copyright notice,
|
| | | * this list of conditions and the following disclaimer in the documentation
|
| | | * and/or other materials provided with the distribution.
|
| | | * - Neither the name(s) of Matthew Wilson and Synesis Software nor the names of
|
| | | * any contributors may be used to endorse or promote products derived from
|
| | | * this software without specific prior written permission.
|
| | | *
|
| | | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
| | | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
| | | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
| | | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
| | | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
| | | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
| | | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
| | | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
| | | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
| | | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
| | | * POSSIBILITY OF SUCH DAMAGE.
|
| | | *
|
| | | * ////////////////////////////////////////////////////////////////////////// */
|
| | |
|
| | |
|
| | | /** \file ortp/b64.h
|
| | | *
|
| | | * \brief [C/C++] Header file for the b64 library.
|
| | | */
|
| | |
|
| | | #ifndef B64_INCL_B64_H_B64
|
| | | #define B64_INCL_B64_H_B64
|
| | |
|
| | | /* /////////////////////////////////////////////////////////////////////////////
|
| | | * Version information
|
| | | */
|
| | |
|
| | | #ifndef B64_DOCUMENTATION_SKIP_SECTION
|
| | | # define B64_VER_B64_H_B64_MAJOR 1
|
| | | # define B64_VER_B64_H_B64_MINOR 5
|
| | | # define B64_VER_B64_H_B64_REVISION 4
|
| | | # define B64_VER_B64_H_B64_EDIT 28
|
| | | #endif /* !B64_DOCUMENTATION_SKIP_SECTION */
|
| | |
|
| | | /** \def B64_VER_MAJOR
|
| | | * The major version number of b64
|
| | | */
|
| | |
|
| | | /** \def B64_VER_MINOR
|
| | | * The minor version number of b64
|
| | | */
|
| | |
|
| | | /** \def B64_VER_REVISION
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| | | * The revision version number of b64
|
| | | */
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| | |
|
| | | /** \def B64_VER
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| | | * The current composite version number of b64
|
| | | */
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| | |
|
| | | #ifndef B64_DOCUMENTATION_SKIP_SECTION
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| | | # define B64_VER_1_0_1 0x01000100
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| | | # define B64_VER_1_0_2 0x01000200
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| | | # define B64_VER_1_0_3 0x01000300
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| | | # define B64_VER_1_1_1 0x01010100
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| | | # define B64_VER_1_1_2 0x01010200
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| | | # define B64_VER_1_1_3 0x01010300
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| | | # define B64_VER_1_2_1 0x01020100
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| | | # define B64_VER_1_2_2 0x01020200
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| | | # define B64_VER_1_2_3 0x01020300
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| | | # define B64_VER_1_2_4 0x01020400
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| | | # define B64_VER_1_2_5 0x01020500
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| | | # define B64_VER_1_2_6 0x01020600
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| | | # define B64_VER_1_2_7 0x01020700
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| | | # define B64_VER_1_3_1 0x010301ff
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| | | # define B64_VER_1_3_2 0x010302ff
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| | | # define B64_VER_1_3_3 0x010303ff
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| | | # define B64_VER_1_3_4 0x010304ff
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| | |
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| | | # define B64_VER B64_VER_1_3_4
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| | | #else /* ? B64_DOCUMENTATION_SKIP_SECTION */
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| | | # define B64_VER 0x010304ff
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| | | #endif /* !B64_DOCUMENTATION_SKIP_SECTION */
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| | |
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| | | #define B64_VER_MAJOR 1
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| | | #define B64_VER_MINOR 3
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| | | #define B64_VER_REVISION 4
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| | |
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| | | /* /////////////////////////////////////////////////////////////////////////////
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| | | * Includes
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| | | */
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| | |
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| | | #include <stddef.h>
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| | | #include "ortp/port.h"
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| | |
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| | | /* /////////////////////////////////////////////////////////////////////////////
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| | | * Namespace
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| | | */
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| | |
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| | | #if !defined(B64_NO_NAMESPACE) && \
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| | | !defined(__cplusplus)
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| | | # define B64_NO_NAMESPACE
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| | | #endif /* !B64_NO_NAMESPACE && !__cplusplus */
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| | |
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| | | #ifdef B64_NAMESPACE
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| | | # undef B64_NAMESPACE
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| | | #endif /* B64_NAMESPACE */
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| | |
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| | | #ifdef B64_NAMESPACE_QUALIFIER
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| | | # undef B64_NAMESPACE_QUALIFIER
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| | | #endif /* B64_NAMESPACE_QUALIFIER */
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| | |
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| | |
|
| | | #ifndef B64_NO_NAMESPACE
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| | |
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| | | # ifdef B64_CUSTOM_NAMESPACE
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| | | # define B64_NAMESPACE B64_CUSTOM_NAMESPACE
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| | | # else /* ? B64_CUSTOM_NAMESPACE */
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| | | # define B64_NAMESPACE b64
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| | | # endif /* B64_CUSTOM_NAMESPACE */
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| | |
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| | | # if defined(B64_CUSTOM_NAMESPACE) && \
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| | | defined(B64_CUSTOM_NAMESPACE_QUALIFIER)
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| | | # define B64_NAMESPACE_QUALIFIER B64_CUSTOM_NAMESPACE_QUALIFIER
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| | | # else /* B64_CUSTOM_NAMESPACE && B64_CUSTOM_NAMESPACE_QUALIFIER */
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| | | # define B64_NAMESPACE_QUALIFIER ::B64_NAMESPACE
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| | | # endif /* B64_CUSTOM_NAMESPACE && B64_CUSTOM_NAMESPACE_QUALIFIER */
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| | |
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| | |
|
| | | /** \brief [C/C++] The b64 namespace, within which the core library types and functions
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| | | * reside in C++ compilation. In C compilation, they all reside in the global
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| | | * namespace.
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| | | *
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| | | * \htmlonly
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| | | * <hr>
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| | | * \endhtmlonly
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| | | */
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| | | namespace B64_NAMESPACE
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| | | {
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| | | #endif /* !B64_NO_NAMESPACE */
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| | |
|
| | | /* /////////////////////////////////////////////////////////////////////////////
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| | | * Enumerations
|
| | | */
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| | |
|
| | | /** \brief Return codes (from b64_encode2() / b64_decode2())
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| | | */
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| | | enum B64_RC
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| | | {
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| | | B64_RC_OK = 0 /*!< Operation was successful. */
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| | | , B64_RC_INSUFFICIENT_BUFFER = 1 /*!< The given translation buffer was not of sufficient size. */
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| | | , B64_RC_TRUNCATED_INPUT = 2 /*!< The input did not represent a fully formed stream of octet couplings. */
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| | | , B64_RC_DATA_ERROR = 3 /*!< Invalid data. */
|
| | | #ifndef B64_DOCUMENTATION_SKIP_SECTION
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| | | , B64_max_RC_value
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| | | #endif /* !B64_DOCUMENTATION_SKIP_SECTION */
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| | | };
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| | |
|
| | | #ifndef __cplusplus
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| | | typedef enum B64_RC B64_RC;
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| | | #endif /* !__cplusplus */
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| | |
|
| | | /** \brief Coding behaviour modification flags (for b64_encode2() / b64_decode2())
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| | | */
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| | | enum B64_FLAGS
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| | | {
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| | | B64_F_LINE_LEN_USE_PARAM = 0x0000 /*!< Uses the lineLen parameter to b64_encode2(). Ignored by b64_decode2(). */
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| | | , B64_F_LINE_LEN_INFINITE = 0x0001 /*!< Ignores the lineLen parameter to b64_encode2(). Line length is infinite. Ignored by b64_decode2(). */
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| | | , B64_F_LINE_LEN_64 = 0x0002 /*!< Ignores the lineLen parameter to b64_encode2(). Line length is 64. Ignored by b64_decode2(). */
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| | | , B64_F_LINE_LEN_76 = 0x0003 /*!< Ignores the lineLen parameter to b64_encode2(). Line length is 76. Ignored by b64_decode2(). */
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| | | , B64_F_LINE_LEN_MASK = 0x000f /*!< Mask for testing line length flags to b64_encode2(). Ignored by b64_encode2(). */
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| | | , B64_F_STOP_ON_NOTHING = 0x0000 /*!< Decoding ignores all invalid characters in the input data. Ignored by b64_encode2(). */
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| | | , B64_F_STOP_ON_UNKNOWN_CHAR = 0x0100 /*!< Causes decoding to break if any non-Base-64 [a-zA-Z0-9=+/], non-whitespace character is encountered. Ignored by b64_encode2(). */
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| | | , B64_F_STOP_ON_UNEXPECTED_WS = 0x0200 /*!< Causes decoding to break if any unexpected whitespace is encountered. Ignored by b64_encode2(). */
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| | | , B64_F_STOP_ON_BAD_CHAR = 0x0300 /*!< Causes decoding to break if any non-Base-64 [a-zA-Z0-9=+/] character is encountered. Ignored by b64_encode2(). */
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| | | };
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| | |
|
| | | #ifndef __cplusplus
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| | | typedef enum B64_FLAGS B64_FLAGS;
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| | | #endif /* !__cplusplus */
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| | |
|
| | | /* /////////////////////////////////////////////////////////////////////////////
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| | | * Functions
|
| | | */
|
| | |
|
| | | #ifdef __cplusplus
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| | | extern "C" {
|
| | | #endif /* __cplusplus */
|
| | |
|
| | | /** \brief Encodes a block of binary data into Base-64
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| | | *
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| | | * \param src Pointer to the block to be encoded. May not be NULL, except when
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| | | * \c dest is NULL, in which case it is ignored.
|
| | | * \param srcSize Length of block to be encoded
|
| | | * \param dest Pointer to the buffer into which the result is to be written. May
|
| | | * be NULL, in which case the function returns the required length
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| | | * \param destLen Length of the buffer into which the result is to be written. Must
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| | | * be at least as large as that indicated by the return value from
|
| | | * \link b64::b64_encode b64_encode(NULL, srcSize, NULL, 0)\endlink.
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| | | *
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| | | * \return 0 if the size of the buffer was insufficient, or the length of the
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| | | * converted buffer was longer than \c destLen
|
| | | *
|
| | | * \note The function returns the required length if \c dest is NULL
|
| | | *
|
| | | * \note The function returns the required length if \c dest is NULL. The returned size
|
| | | * might be larger than the actual required size, but will never be smaller.
|
| | | *
|
| | | * \note Threading: The function is fully re-entrant.
|
| | | *
|
| | | * \see b64::encode()
|
| | | */
|
| | | ORTP_PUBLIC size_t b64_encode(void const *src, size_t srcSize, char *dest, size_t destLen);
|
| | |
|
| | | /** \brief Encodes a block of binary data into Base-64
|
| | | *
|
| | | * \param src Pointer to the block to be encoded. May not be NULL, except when
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| | | * \c dest is NULL, in which case it is ignored.
|
| | | * \param srcSize Length of block to be encoded
|
| | | * \param dest Pointer to the buffer into which the result is to be written. May
|
| | | * be NULL, in which case the function returns the required length
|
| | | * \param destLen Length of the buffer into which the result is to be written. Must
|
| | | * be at least as large as that indicated by the return value from
|
| | | * \link b64::b64_encode2 b64_encode2(NULL, srcSize, NULL, 0, flags, lineLen, rc)\endlink.
|
| | | * \param flags A combination of the B64_FLAGS enumeration, that moderate the
|
| | | * behaviour of the function
|
| | | * \param lineLen If the flags parameter contains B64_F_LINE_LEN_USE_PARAM, then
|
| | | * this parameter represents the length of the lines into which the encoded form is split,
|
| | | * with a hard line break ('\\r\\n'). If this value is 0, then the line is not
|
| | | * split. If it is <0, then the RFC-1113 recommended line length of 64 is used
|
| | | * \param rc The return code representing the status of the operation. May be NULL.
|
| | | *
|
| | | * \return 0 if the size of the buffer was insufficient, or the length of the
|
| | | * converted buffer was longer than \c destLen
|
| | | *
|
| | | * \note The function returns the required length if \c dest is NULL. The returned size
|
| | | * might be larger than the actual required size, but will never be smaller.
|
| | | *
|
| | | * \note Threading: The function is fully re-entrant.
|
| | | *
|
| | | * \see b64::encode()
|
| | | */
|
| | | size_t b64_encode2( void const *src
|
| | | , size_t srcSize
|
| | | , char *dest
|
| | | , size_t destLen
|
| | | , unsigned flags
|
| | | , int lineLen /* = 0 */
|
| | | , B64_RC *rc /* = NULL */);
|
| | |
|
| | | /** \brief Decodes a sequence of Base-64 into a block of binary data
|
| | | *
|
| | | * \param src Pointer to the Base-64 block to be decoded. May not be NULL, except when
|
| | | * \c dest is NULL, in which case it is ignored. If \c dest is NULL, and \c src is
|
| | | * <b>not</b> NULL, then the returned value is calculated exactly, otherwise a value
|
| | | * is returned that is guaranteed to be large enough to hold the decoded block.
|
| | | *
|
| | | * \param srcLen Length of block to be encoded. Must be an integral of 4, the Base-64
|
| | | * encoding quantum, otherwise the Base-64 block is assumed to be invalid
|
| | | * \param dest Pointer to the buffer into which the result is to be written. May
|
| | | * be NULL, in which case the function returns the required length
|
| | | * \param destSize Length of the buffer into which the result is to be written. Must
|
| | | * be at least as large as that indicated by the return value from
|
| | | * \c b64_decode(src, srcSize, NULL, 0), even in the case where the encoded form
|
| | | * contains a number of characters that will be ignored, resulting in a lower total
|
| | | * length of converted form.
|
| | | *
|
| | | * \return 0 if the size of the buffer was insufficient, or the length of the
|
| | | * converted buffer was longer than \c destSize
|
| | | *
|
| | | * \note The function returns the required length if \c dest is NULL. The returned size
|
| | | * might be larger than the actual required size, but will never be smaller.
|
| | | *
|
| | | * \note \anchor anchor__4_characters The behaviour of both
|
| | | * \link b64::b64_encode2 b64_encode2()\endlink
|
| | | * and
|
| | | * \link b64::b64_decode2 b64_decode2()\endlink
|
| | | * are undefined if the line length is not a multiple of 4.
|
| | | *
|
| | | * \note Threading: The function is fully re-entrant.
|
| | | *
|
| | | * \see b64::decode()
|
| | | */
|
| | | ORTP_PUBLIC size_t b64_decode(char const *src, size_t srcLen, void *dest, size_t destSize);
|
| | |
|
| | | /** \brief Decodes a sequence of Base-64 into a block of binary data
|
| | | *
|
| | | * \param src Pointer to the Base-64 block to be decoded. May not be NULL, except when
|
| | | * \c dest is NULL, in which case it is ignored. If \c dest is NULL, and \c src is
|
| | | * <b>not</b> NULL, then the returned value is calculated exactly, otherwise a value
|
| | | * is returned that is guaranteed to be large enough to hold the decoded block.
|
| | | *
|
| | | * \param srcLen Length of block to be encoded. Must be an integral of 4, the Base-64
|
| | | * encoding quantum, otherwise the Base-64 block is assumed to be invalid
|
| | | * \param dest Pointer to the buffer into which the result is to be written. May
|
| | | * be NULL, in which case the function returns the required length
|
| | | * \param destSize Length of the buffer into which the result is to be written. Must
|
| | | * be at least as large as that indicated by the return value from
|
| | | * \c b64_decode(src, srcSize, NULL, 0), even in the case where the encoded form
|
| | | * contains a number of characters that will be ignored, resulting in a lower total
|
| | | * length of converted form.
|
| | | * \param flags A combination of the B64_FLAGS enumeration, that moderate the
|
| | | * behaviour of the function.
|
| | | * \param rc The return code representing the status of the operation. May be NULL.
|
| | | * \param badChar If the flags parameter does not contain B64_F_STOP_ON_NOTHING, this
|
| | | * parameter specifies the address of a pointer that will be set to point to any
|
| | | * character in the sequence that stops the parsing, as dictated by the flags
|
| | | * parameter. May be NULL.
|
| | | *
|
| | | * \return 0 if the size of the buffer was insufficient, or the length of the
|
| | | * converted buffer was longer than \c destSize, or a bad character stopped parsing.
|
| | | *
|
| | | * \note The function returns the required length if \c dest is NULL. The returned size
|
| | | * might be larger than the actual required size, but will never be smaller.
|
| | | *
|
| | | * \note The behaviour of both
|
| | | * \link b64::b64_encode2 b64_encode2()\endlink
|
| | | * and
|
| | | * \link b64::b64_decode2 b64_decode2()\endlink
|
| | | * are undefined if the line length is not a multiple of 4.
|
| | | *
|
| | | * \note Threading: The function is fully re-entrant.
|
| | | *
|
| | | * \see b64::decode()
|
| | | */
|
| | | size_t b64_decode2( char const *src
|
| | | , size_t srcLen
|
| | | , void *dest
|
| | | , size_t destSize
|
| | | , unsigned flags
|
| | | , char const **badChar /* = NULL */
|
| | | , B64_RC *rc /* = NULL */);
|
| | |
|
| | |
|
| | | /** \brief Returns the textual description of the error
|
| | | *
|
| | | * \param code The \link b64::B64_RC error code\endlink
|
| | | */
|
| | | char const *b64_getErrorString(B64_RC code);
|
| | |
|
| | | /** \brief Returns the length of the textual description of the error
|
| | | *
|
| | | * \see b64_getErrorString()
|
| | | *
|
| | | * \param code The \link b64::B64_RC error code\endlink
|
| | | */
|
| | | size_t b64_getErrorStringLength(B64_RC code);
|
| | |
|
| | |
|
| | | #ifdef __cplusplus
|
| | | } /* extern "C" */
|
| | | #endif /* __cplusplus */
|
| | |
|
| | | /* /////////////////////////////////////////////////////////////////////////////
|
| | | * Namespace
|
| | | */
|
| | |
|
| | | #ifndef B64_NO_NAMESPACE
|
| | | } /* namespace B64_NAMESPACE */
|
| | |
|
| | | # ifndef B64_DOCUMENTATION_SKIP_SECTION
|
| | |
|
| | | namespace stlsoft
|
| | | {
|
| | |
|
| | | inline char const *c_str_data_a( B64_NAMESPACE_QUALIFIER::B64_RC code)
|
| | | {
|
| | | return B64_NAMESPACE_QUALIFIER::b64_getErrorString(code);
|
| | | }
|
| | | inline char const *c_str_data( B64_NAMESPACE_QUALIFIER::B64_RC code)
|
| | | {
|
| | | return B64_NAMESPACE_QUALIFIER::b64_getErrorString(code);
|
| | | }
|
| | |
|
| | | inline size_t c_str_len_a( B64_NAMESPACE_QUALIFIER::B64_RC code)
|
| | | {
|
| | | return B64_NAMESPACE_QUALIFIER::b64_getErrorStringLength(code);
|
| | | }
|
| | | inline size_t c_str_len( B64_NAMESPACE_QUALIFIER::B64_RC code)
|
| | | {
|
| | | return B64_NAMESPACE_QUALIFIER::b64_getErrorStringLength(code);
|
| | | }
|
| | |
|
| | | inline char const *c_str_ptr_a( B64_NAMESPACE_QUALIFIER::B64_RC code)
|
| | | {
|
| | | return B64_NAMESPACE_QUALIFIER::b64_getErrorString(code);
|
| | | }
|
| | | inline char const *c_str_ptr( B64_NAMESPACE_QUALIFIER::B64_RC code)
|
| | | {
|
| | | return B64_NAMESPACE_QUALIFIER::b64_getErrorString(code);
|
| | | }
|
| | |
|
| | | } /* namespace stlsoft */
|
| | |
|
| | | # endif /* !B64_DOCUMENTATION_SKIP_SECTION */
|
| | |
|
| | | #endif /* !B64_NO_NAMESPACE */
|
| | |
|
| | | /* ////////////////////////////////////////////////////////////////////////// */
|
| | |
|
| | | #endif /* B64_INCL_B64_H_B64 */
|
| | |
|
| | | /* ////////////////////////////////////////////////////////////////////////// */
|