From 6af21e6a4f2251e71353562d5df7f376fdffc270 Mon Sep 17 00:00:00 2001 From: Freya Murphy Date: Tue, 25 Mar 2025 17:36:52 -0400 Subject: initial checkout from wrc --- lib/memset.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 lib/memset.c (limited to 'lib/memset.c') diff --git a/lib/memset.c b/lib/memset.c new file mode 100644 index 0000000..a93815c --- /dev/null +++ b/lib/memset.c @@ -0,0 +1,38 @@ +/** +** @file memset.c +** +** @author Numerous CSCI-452 classes +** +** @brief C implementations of common library functions +*/ + +#ifndef MEMSET_SRC_INC +#define MEMSET_SRC_INC + +#include + +#include + +/** +** memset(buf,len,value) +** +** initialize all bytes of a block of memory to a specific value +** +** @param buf The buffer to initialize +** @param len Buffer size (in bytes) +** @param value Initialization value +*/ +void memset( void *buf, register uint32_t len, register uint32_t value ) { + register uint8_t *bp = buf; + + /* + ** We could speed this up by unrolling it and copying + ** words at a time (instead of bytes). + */ + + while( len-- ) { + *bp++ = value; + } +} + +#endif -- cgit v1.2.3-freya