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Use memmove instead of memcpy for overlapping areas

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Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Edgar Toernig
2006-10-30 17:44:27 -08:00
committed by Junio C Hamano
parent 6dcfa306f2
commit 79a65697be
2 changed files with 4 additions and 4 deletions
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4
builtin-unpack-objects.c
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@ -22,7 +22,7 @@ static SHA_CTX ctx;
* Make sure at least "min" bytes are available in the buffer, and
* return the pointer to the buffer.
*/
static void * fill(int min)
static void *fill(int min)
{
if (min <= len)
return buffer + offset;
@ -30,7 +30,7 @@ static void * fill(int min)
die("cannot fill %d bytes", min);
if (offset) {
SHA1_Update(&ctx, buffer, offset);
memcpy(buffer, buffer + offset, len);
memmove(buffer, buffer + offset, len);
offset = 0;
}
do {