archive-gh-me/jerryscript
1
0
Fork 0
mirror of https://github.com/jerryscript-project/jerryscript.git synced 2025-12-15 16:29:21 +00:00
Code Issues Projects Releases Wiki Activity

Fix memcpy return value.

Browse Source 
JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg 2016-06-24 04:02:45 -07:00
parent 388b442d10
commit 0940be57f6
1 changed files with 9 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
jerry-libc/jerry-libc.c
View File

@ -103,30 +103,30 @@ memcpy (void *s1, /**< destination */
const void *s2, /**< source */
size_t n) /**< bytes number */
{
uint8_t *dst_p = (uint8_t *) s1;
const uint8_t *src_p = (const uint8_t *) s2;
/* Aligned fast case. */
if (n >= 4 && !(((uintptr_t) s1) & 0x3) && !(((uintptr_t) s2) & 0x3))
{
size_t chunks = (n >> 2);
uint32_t *area1_p = (uint32_t *) s1;
const uint32_t *area2_p = (const uint32_t *) s2;
uint32_t *u32_dst_p = (uint32_t *) dst_p;
const uint32_t *u32_src_p = (const uint32_t *) src_p;
do
{
*area1_p++ = *area2_p++;
*u32_dst_p++ = *u32_src_p++;
}
while (--chunks);
n &= 0x3;
s1 = area1_p;
s2 = area2_p;
dst_p = (uint8_t *) u32_dst_p;
src_p = (const uint8_t *) u32_src_p;
}
uint8_t *area1_p = (uint8_t *) s1;
const uint8_t *area2_p = (const uint8_t *) s2;
while (n--)
{
*area1_p++ = *area2_p++;
*dst_p++ = *src_p++;
}
return s1;