include/isa-l/mem_routines.h

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0029
0030 #include <stddef.h>
0031
0032 /**
0033  *  @file mem_routines.h
0034  *  @brief Interface to storage mem operations
0035  *
0036  *  Defines the interface for vector versions of common memory functions.
0037  */
0038
0039
0040 #ifndef _MEM_ROUTINES_H_
0041 #define _MEM_ROUTINES_H_
0042
0043 #ifdef __cplusplus
0044 extern "C" {
0045 #endif
0046
0047 /**
0048  * @brief Detect if a memory region is all zero
0049  *
0050  * Zero detect function with optimizations for large blocks > 128 bytes
0051  *
0052  * @param    mem   Pointer to memory region to test
0053  * @param    len   Length of region in bytes
0054  * @returns  0     - region is all zeros
0055  *           other - region has non zero bytes
0056  */
0057 int isal_zero_detect(void *mem, size_t len);
0058
0059 #ifdef __cplusplus
0060 }
0061 #endif
0062
0063 #endif // _MEM_ROUTINES_H_
0064