From 397b8b28d59483388f37dcd1771bde8f867a10cd Mon Sep 17 00:00:00 2001 From: Andreas Baumann Date: Thu, 15 Jun 2017 07:05:30 +0200 Subject: added a memcpy function (clang needs it to copy structs in assignments) --- src/libc/string.c | 15 +++++++++++++++ src/libc/string.h | 2 ++ 2 files changed, 17 insertions(+) diff --git a/src/libc/string.c b/src/libc/string.c index 8d4f876..904f33c 100644 --- a/src/libc/string.c +++ b/src/libc/string.c @@ -33,6 +33,21 @@ void *memmove( void *d, const void *s, size_t n ) return d; } +void *memcpy( void *d, const void *s, size_t n ) +{ + const char *ss = (const char *)s; + char *dd = (char *)d; + + if( dd == ss ) return d; + + while( n > 0 ) { + *dd++ = *ss++; + n--; + } + + return d; +} + size_t strlen( const char *s ) { size_t len; diff --git a/src/libc/string.h b/src/libc/string.h index 476c8c0..fc29ae9 100644 --- a/src/libc/string.h +++ b/src/libc/string.h @@ -5,6 +5,8 @@ void *memset( void *s, int c, size_t n ); void *memmove( void *d, const void *s, size_t n ); +void *memcpy( void *d, const void *s, size_t n ); + size_t strlen( const char *s ); int strcmp( const char *s1, const char *s2 ); size_t strlcpy( char *d, const char *s, size_t n ); -- cgit v1.2.3-54-g00ecf