Changeset 68884 in vbox for trunk/include

Timestamp:

Sep 27, 2017 10:28:56 AM (7 years ago)

Author:

vboxsync

Message:

IPRT: Added CRC-16-CCITT implemenation.

Location:

trunk/include/iprt

Files:

• crc.h (modified) (1 diff)
• mangling.h (modified) (1 diff)

trunk/include/iprt/crc.h

@@ -192 +192 @@
 /** @} */
 
+
+/** @defgroup grp_rt_crc16ccitt  CRC-16-CCITT
+ * @{ */
+/**
+ * Calculate CRC-16-CCITT for a memory block.
+ *
+ * @returns CRC-16-CCITT for the memory block.
+ * @param   pv      Pointer to the memory block.
+ * @param   cb      Size of the memory block in bytes.
+ */
+RTDECL(uint16_t)    RTCrc16Ccitt(const void *pv, size_t cb);
+
+/**
+ * Start a multiblock CRC-16-CCITT calculation.
+ *
+ * @returns Start CRC-16-CCITT.
+ */
+RTDECL(uint16_t)    RTCrc16CcittStart(void);
+
+/**
+ * Processes a multiblock of a CRC-16-CCITT calculation.
+ *
+ * @returns Intermediate CRC-16-CCITT value.
+ * @param   uCrc    Current CRC-16-CCITT intermediate value.
+ * @param   pv      The data block to process.
+ * @param   cb      The size of the data block in bytes.
+ */
+RTDECL(uint16_t)    RTCrc16CcittProcess(uint16_t uCrc, const void *pv, size_t cb);
+
+/**
+ * Complete a multiblock CRC-16-CCITT calculation.
+ *
+ * @returns CRC-16-CCITT value.
+ * @param   uCrc    Current CRC-16-CCITT intermediate value.
+ */
+RTDECL(uint16_t)    RTCrc16CcittFinish(uint16_t uCrc);
+/** @} */
+
 /** @} */
 

trunk/include/iprt/mangling.h

@@ -609 +609 @@
 # define RTCoreDumperSetup                              RT_MANGLER(RTCoreDumperSetup)    /* solaris */
 # define RTCoreDumperTakeDump                           RT_MANGLER(RTCoreDumperTakeDump) /* solaris */
+# define RTCrc16Ccitt                                   RT_MANGLER(RTCrc16Ccitt)
+# define RTCrc16CcittProcess                            RT_MANGLER(RTCrc16CcittProcess)
+# define RTCrc16CcittFinish                             RT_MANGLER(RTCrc16CcittFinish)
+# define RTCrc16CcittStart                              RT_MANGLER(RTCrc16CcittStart)
 # define RTCrc32                                        RT_MANGLER(RTCrc32)
 # define RTCrc32Finish                                  RT_MANGLER(RTCrc32Finish)