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From: "René Scharfe" <rene.scharfe@lsrfire.ath.cx>
To: Mark Burton <markb@ordern.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Junio C Hamano <gitster@pobox.com>,
	Git Mailing List <git@vger.kernel.org>
Subject: Re: [PATCH 4/5] Make 'diff_populate_filespec()' use the new   'strbuf_readlink()'
Date: Thu, 18 Dec 2008 17:56:51 +0100	[thread overview]
Message-ID: <494A80D3.7070605@lsrfire.ath.cx> (raw)
In-Reply-To: <20081218121118.3635c53c@crow>

Mark Burton schrieb:
> Howdy folks,
> 
> When I compile this latest version of diff.c on a i686 dual-core Pentium box
> I see:
> 
> diff.c: In function ‘diff_populate_filespec’:
> diff.c:1781: warning: passing argument 2 of ‘strbuf_detach’ from incompatible pointer type
> 
> The same code compiles without warning on a x86_64 AMD box. Both
> machines are running stock Ubuntu 8.04.
> 
> Does it need a cast on some architectures?

The type of the size member of struct stat is off_t, while strbuf_detach expects
a size_t pointer.  This patch should fix the warning:

diff --git a/diff.c b/diff.c
index f160c1a..0484601 100644
--- a/diff.c
+++ b/diff.c
@@ -1778,7 +1778,8 @@ int diff_populate_filespec(struct diff_filespec *s, int size_only)
 
 			if (strbuf_readlink(&sb, s->path, s->size))
 				goto err_empty;
-			s->data = strbuf_detach(&sb, &s->size);
+			s->size = sb.len;
+			s->data = strbuf_detach(&sb, NULL);
 			s->should_free = 1;
 			return 0;
 		}

  parent reply	other threads:[~2008-12-18 16:58 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-17 18:42 [PATCH 0/5] Be careful about lstat()-vs-readlink() Linus Torvalds
2008-12-17 18:42 ` [PATCH 1/5] Add generic 'strbuf_readlink()' helper function Linus Torvalds
2008-12-17 18:43   ` [PATCH 2/5] Make 'ce_compare_link()' use the new 'strbuf_readlink()' Linus Torvalds
2008-12-17 18:43     ` [PATCH 3/5] Make 'index_path()' use 'strbuf_readlink()' Linus Torvalds
2008-12-17 18:44       ` [PATCH 4/5] Make 'diff_populate_filespec()' use the new 'strbuf_readlink()' Linus Torvalds
2008-12-17 18:45         ` [PATCH 5/5] Make 'prepare_temp_file()' ignore st_size for symlinks Linus Torvalds
2008-12-17 20:37           ` [PATCH 6/5] make_absolute_path(): check bounds when seeing an overlong symlink Junio C Hamano
2008-12-17 20:37           ` [PATCH 7/5] builtin-blame.c: use strbuf_readlink() Junio C Hamano
2008-12-17 20:37           ` [PATCH 8/5] combine-diff.c: " Junio C Hamano
2008-12-17 21:02             ` Linus Torvalds
2008-12-17 21:34               ` Junio C Hamano
2008-12-17 20:37         ` [PATCH 4/5] Make 'diff_populate_filespec()' use the new 'strbuf_readlink()' Junio C Hamano
2008-12-18 12:11         ` Mark Burton
2008-12-18 16:55           ` Linus Torvalds
2008-12-18 17:41             ` René Scharfe
2008-12-18 17:49               ` Linus Torvalds
2008-12-18 17:56                 ` Olivier Galibert
2008-12-18 16:56           ` René Scharfe [this message]
2008-12-18 17:28             ` René Scharfe
2008-12-19 22:10           ` [PATCH] diff.c: fix pointer type warning René Scharfe
2008-12-19 23:09             ` Junio C Hamano
2008-12-17 20:37       ` [PATCH 3/5] Make 'index_path()' use 'strbuf_readlink()' Junio C Hamano
2008-12-17 21:26   ` [PATCH 1/5] Add generic 'strbuf_readlink()' helper function Jay Soffian
2008-12-17 21:44     ` Linus Torvalds
2008-12-23 10:05   ` [PATCH] strbuf_readlink semantics update Pierre Habouzit
2008-12-23 10:21     ` Pierre Habouzit
2008-12-23 18:16       ` Linus Torvalds
2008-12-24 10:11         ` Pierre Habouzit
2008-12-24 15:20           ` René Scharfe
2008-12-25  7:23             ` Junio C Hamano
2009-01-04 12:21               ` Pierre Habouzit
2009-01-06 20:41                 ` [PATCH] strbuf: instate cleanup rule in case of non-memory errors René Scharfe
2009-01-07 21:19                   ` Junio C Hamano

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