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https://github.com/moparisthebest/curl
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endian: Added standard function descriptions
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lib/endian.c
50
lib/endian.c
@ -25,9 +25,17 @@
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#include "endian.h"
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#include "endian.h"
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/*
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/*
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* This function converts from the little endian format used in the incoming
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* Curl_read16_le()
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* package to whatever endian format we're using natively. Argument is a
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*
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* pointer to a 2 byte buffer.
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* This function converts a 16-bit integer from the little endian format, as
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* used in the incoming package to whatever endian format we're using
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* natively.
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*
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* Parameters:
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*
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* buf [in] - A pointer to a 2 byte buffer.
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*
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* Returns the integer.
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*/
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*/
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unsigned short Curl_read16_le(unsigned char *buf)
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unsigned short Curl_read16_le(unsigned char *buf)
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{
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{
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@ -36,9 +44,17 @@ unsigned short Curl_read16_le(unsigned char *buf)
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}
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}
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/*
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/*
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* This function converts from the little endian format used in the
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* Curl_read32_le()
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* incoming package to whatever endian format we're using natively.
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*
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* Argument is a pointer to a 4 byte buffer.
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* This function converts a 32-bit integer from the little endian format, as
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* used in the incoming package to whatever endian format we're using
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* natively.
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*
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* Parameters:
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*
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* buf [in] - A pointer to a 4 byte buffer.
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*
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* Returns the integer.
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*/
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*/
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unsigned int Curl_read32_le(unsigned char *buf)
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unsigned int Curl_read32_le(unsigned char *buf)
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{
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{
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@ -46,6 +62,17 @@ unsigned int Curl_read32_le(unsigned char *buf)
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((unsigned int)buf[2] << 16) | ((unsigned int)buf[3] << 24);
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((unsigned int)buf[2] << 16) | ((unsigned int)buf[3] << 24);
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}
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}
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/*
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* Curl_write32_le()
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*
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* This function converts a 32-bit integer from the native endian format,
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* to little endian format ready for sending down the wire.
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*
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* Parameters:
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*
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* value [in] - The 32-bit integer value.
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* buffer [in] - A pointer to the output buffer.
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*/
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void Curl_write32_le(const int value, unsigned char *buffer)
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void Curl_write32_le(const int value, unsigned char *buffer)
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{
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{
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buffer[0] = (char)(value & 0x000000FF);
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buffer[0] = (char)(value & 0x000000FF);
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@ -55,6 +82,17 @@ void Curl_write32_le(const int value, unsigned char *buffer)
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}
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}
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#if (CURL_SIZEOF_CURL_OFF_T > 4)
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#if (CURL_SIZEOF_CURL_OFF_T > 4)
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/*
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* Curl_write64_le()
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*
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* This function converts a 64-bit integer from the native endian format,
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* to little endian format ready for sending down the wire.
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*
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* Parameters:
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*
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* value [in] - The 64-bit integer value.
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* buffer [in] - A pointer to the output buffer.
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*/
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#if defined(HAVE_LONGLONG)
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#if defined(HAVE_LONGLONG)
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void Curl_write64_le(const long long value, unsigned char *buffer)
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void Curl_write64_le(const long long value, unsigned char *buffer)
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#else
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#else
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@ -22,12 +22,17 @@
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*
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*
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***************************************************************************/
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***************************************************************************/
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/* Converts a 16-bit integer from little endian */
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unsigned short Curl_read16_le(unsigned char *buf);
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unsigned short Curl_read16_le(unsigned char *buf);
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/* Converts a 32-bit integer from little endian */
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unsigned int Curl_read32_le(unsigned char *buf);
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unsigned int Curl_read32_le(unsigned char *buf);
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/* Converts a 32-bit integer to little endian */
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void Curl_write32_le(const int value, unsigned char *buffer);
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void Curl_write32_le(const int value, unsigned char *buffer);
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#if (CURL_SIZEOF_CURL_OFF_T > 4)
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#if (CURL_SIZEOF_CURL_OFF_T > 4)
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/* Converts a 64-bit integer to little endian */
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#if defined(HAVE_LONGLONG)
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#if defined(HAVE_LONGLONG)
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void Curl_write64_le(const long long value, unsigned char *buffer);
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void Curl_write64_le(const long long value, unsigned char *buffer);
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#else
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#else
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