2 files changed, 7 insertions, 11 deletions

diff --git a/src/lj_buf.c b/src/lj_buf.c
index 2a1d7f8e..1786c10d 100644
--- a/src/lj_buf.c
+++ b/src/lj_buf.c
@@ -57,15 +57,7 @@ char * LJ_FASTCALL lj_buf_tmp(lua_State *L, MSize sz)
 
 /* -- Low-level buffer put operations ------------------------------------- */
 
-/* Write memory block to buffer. */
-char *lj_buf_wmem(char *p, const void *q, MSize len)
-{
-  const char *s = (const char *)q, *e = s + len;
-  while (s < e) *p++ = *s++;
-  return p;
-}
-
-SBuf * lj_buf_putmem(SBuf *sb, const void *q, MSize len)
+SBuf *lj_buf_putmem(SBuf *sb, const void *q, MSize len)
 {
   char *p = lj_buf_more(sb, len);
   p = lj_buf_wmem(p, q, len);
diff --git a/src/lj_buf.h b/src/lj_buf.h
index 951d39fd..5f78c4a9 100644
--- a/src/lj_buf.h
+++ b/src/lj_buf.h
@@ -66,13 +66,17 @@ static LJ_AINLINE char *lj_buf_more(SBuf *sb, MSize sz)
 }
 
 /* Low-level buffer put operations */
-LJ_FUNC char *lj_buf_wmem(char *p, const void *q, MSize len);
-LJ_FUNC SBuf * lj_buf_putmem(SBuf *sb, const void *q, MSize len);
+LJ_FUNC SBuf *lj_buf_putmem(SBuf *sb, const void *q, MSize len);
 #if LJ_HASJIT
 LJ_FUNC SBuf * LJ_FASTCALL lj_buf_putchar(SBuf *sb, int c);
 #endif
 LJ_FUNC SBuf * LJ_FASTCALL lj_buf_putstr(SBuf *sb, GCstr *s);
 
+static LJ_AINLINE char *lj_buf_wmem(char *p, const void *q, MSize len)
+{
+  return (char *)memcpy(p, q, len) + len;
+}
+
 static LJ_AINLINE void lj_buf_putb(SBuf *sb, int c)
 {
   char *p = lj_buf_more(sb, 1);