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From: Junio C Hamano <gitster@pobox•com>
To: Nicolas Pitre <nico@fluxnic•net>
Cc: "Nguyn Thái Ngc Duy" <pclouds@gmail•com>, git@vger•kernel.org
Subject: Re: [PULL REQUEST] initial pack v4 support
Date: Tue, 10 Sep 2013 14:21:47 -0700	[thread overview]
Message-ID: <xmqqtxhswexg.fsf@gitster.dls.corp.google.com> (raw)
In-Reply-To: <alpine.LFD.2.03.1309091526430.20709@syhkavp.arg> (Nicolas Pitre's message of "Mon, 09 Sep 2013 15:52:10 -0400 (EDT)")

Nicolas Pitre <nico@fluxnic•net> writes:

> Junio, would you please pull the following into pu:
>
> 	git://git.linaro.org/people/nico/git
>
> This is the pack v4 work to date which is somewhat getting usable.  It 
> is time it gets more exposure, and possibly some more people's attention 
> who would like to work on the missing parts as I need to scale down my 
> own involvement.

Thanks.  Parked on 'pu'.

>       packv4-parse.c: allow tree entry copying from a canonical tree object

This one needed a small fix-up to make it compile.

I do not particularly like reusing that "size" variable, but it
seemed to be dead at that point, so...

 packv4-parse.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/packv4-parse.c b/packv4-parse.c
index f96acc1..3f95ed4 100644
--- a/packv4-parse.c
+++ b/packv4-parse.c
@@ -365,13 +365,14 @@ static int copy_canonical_tree_entries(struct packed_git *p, off_t offset,
 		update_tree_entry(&desc);
 	end = desc.buffer;
 
-	if (end - from > *sizep) {
+	size = (const char *)end - (const char *)from;
+	if (size > *sizep) {
 		free(data);
 		return -1;
 	}
-	memcpy(*dstp, from, end - from);
-	*dstp += end - from;
-	*sizep -= end - from;
+	memcpy(*dstp, from, size);
+	*dstp += size;
+	*sizep -= size;
 	free(data);
 	return 0;
 }
-- 
1.8.4-468-g1185e84

  parent reply	other threads:[~2013-09-10 21:21 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-09 19:52 [PULL REQUEST] initial pack v4 support Nicolas Pitre
2013-09-09 22:28 ` Junio C Hamano
2013-09-10 21:21 ` Junio C Hamano [this message]
2013-09-10 21:32   ` Nicolas Pitre
2013-09-10 21:52     ` Junio C Hamano
2013-09-10 22:31   ` Nicolas Pitre
2013-09-11  6:06   ` [PATCH 00/21] np/pack-v4 updates Nguyễn Thái Ngọc Duy
2013-09-11  6:06     ` [PATCH 01/21] fixup! pack-objects: prepare SHA-1 table in v4 Nguyễn Thái Ngọc Duy
2013-09-11  6:06     ` [PATCH 02/21] fixup! pack-objects: support writing pack v4 Nguyễn Thái Ngọc Duy
2013-09-11  6:06     ` [PATCH 03/21] fixup! pack v4: support "end-of-pack" indicator in index-pack and pack-objects Nguyễn Thái Ngọc Duy
2013-09-11  6:06     ` [PATCH 04/21] fixup! index-pack: parse v4 header and dictionaries Nguyễn Thái Ngọc Duy
2013-09-11  6:06     ` [PATCH 05/21] fixup! index-pack: record all delta bases in v4 (tree and ref-delta) Nguyễn Thái Ngọc Duy
2013-09-11  6:06     ` [PATCH 06/21] pack v4: lift dict size check in load_dict() Nguyễn Thái Ngọc Duy
2013-09-11  6:06     ` [PATCH 07/21] pack v4: move pv4 objhdr parsing code to packv4-parse.c Nguyễn Thái Ngọc Duy
2013-09-11  6:06     ` [PATCH 08/21] pack-objects: respect compression level in v4 Nguyễn Thái Ngọc Duy
2013-09-11  6:06     ` [PATCH 09/21] pack-objects: recognize v4 as pack source Nguyễn Thái Ngọc Duy
2013-09-11  6:06     ` [PATCH 10/21] pack v4: add a note that streaming does not support OBJ_PV4_* Nguyễn Thái Ngọc Duy
2013-09-11  6:06     ` [PATCH 11/21] unpack-objects: report missing object name Nguyễn Thái Ngọc Duy
2013-09-11  6:06     ` [PATCH 12/21] unpack-objects: recognize end-of-pack in v4 thin pack Nguyễn Thái Ngọc Duy
2013-09-11  6:06     ` [PATCH 13/21] unpack-objects: read v4 dictionaries Nguyễn Thái Ngọc Duy
2013-09-11  6:06     ` [PATCH 14/21] unpack-objects: decode v4 object header Nguyễn Thái Ngọc Duy
2013-09-11  6:06     ` [PATCH 15/21] unpack-objects: decode v4 ref-delta Nguyễn Thái Ngọc Duy
2013-09-11  6:06     ` [PATCH 16/21] unpack-objects: decode v4 commits Nguyễn Thái Ngọc Duy
2013-09-11  6:06     ` [PATCH 17/21] unpack-objects: allow to save processed bytes to a buffer Nguyễn Thái Ngọc Duy
2013-09-11  6:06     ` [PATCH 18/21] unpack-objects: decode v4 trees Nguyễn Thái Ngọc Duy
2013-09-11  6:06     ` [PATCH 19/21] index-pack, pack-objects: allow creating .idx v2 with .pack v4 Nguyễn Thái Ngọc Duy
2013-09-11 15:48       ` Nicolas Pitre
2013-09-11  6:06     ` [PATCH 20/21] show-index: acknowledge that it does not read .idx v3 Nguyễn Thái Ngọc Duy
2013-09-11 16:19       ` Nicolas Pitre
2013-09-11  6:06     ` [PATCH 21/21] t1050, t5500: replace the use of "show-index|wc -l" with verify-pack Nguyễn Thái Ngọc Duy
2013-09-11 14:21     ` [PATCH 00/21] np/pack-v4 updates Duy Nguyen
2013-09-11 16:25       ` Nicolas Pitre
2013-09-12  3:38         ` Duy Nguyen
2013-09-12 16:20           ` Nicolas Pitre
2013-09-13  1:11             ` Duy Nguyen
2013-09-11 16:24     ` Nicolas Pitre

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