From: Alexey Dobriyan <adobriyan@gmail.com>
To: akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org, linux@rasmusvillemoes.dk
Subject: [PATCH 01/12] kstrto*: accept "-0" for signed conversion
Date: Fri, 8 May 2015 21:29:11 +0300 [thread overview]
Message-ID: <20150508182911.GA9044@p183.telecom.by> (raw)
strtol(3) et al accept "-0", so should we.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
lib/kstrtox.c | 2 +-
lib/test-kstrtox.c | 6 +-----
2 files changed, 2 insertions(+), 6 deletions(-)
diff --git a/lib/kstrtox.c b/lib/kstrtox.c
index ec8da78..94be244 100644
--- a/lib/kstrtox.c
+++ b/lib/kstrtox.c
@@ -152,7 +152,7 @@ int kstrtoll(const char *s, unsigned int base, long long *res)
rv = _kstrtoull(s + 1, base, &tmp);
if (rv < 0)
return rv;
- if ((long long)(-tmp) >= 0)
+ if ((long long)-tmp > 0)
return -ERANGE;
*res = -tmp;
} else {
diff --git a/lib/test-kstrtox.c b/lib/test-kstrtox.c
index 4137bca..f355f67 100644
--- a/lib/test-kstrtox.c
+++ b/lib/test-kstrtox.c
@@ -260,6 +260,7 @@ static void __init test_kstrtoll_ok(void)
{"4294967297", 10, 4294967297LL},
{"9223372036854775807", 10, 9223372036854775807LL},
+ {"-0", 10, 0LL},
{"-1", 10, -1LL},
{"-2", 10, -2LL},
{"-9223372036854775808", 10, LLONG_MIN},
@@ -277,11 +278,6 @@ static void __init test_kstrtoll_fail(void)
{"-9223372036854775809", 10},
{"-18446744073709551614", 10},
{"-18446744073709551615", 10},
- /* negative zero isn't an integer in Linux */
- {"-0", 0},
- {"-0", 8},
- {"-0", 10},
- {"-0", 16},
/* sign is first character if any */
{"-+1", 0},
{"-+1", 8},
next reply other threads:[~2015-05-08 18:29 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-08 18:29 Alexey Dobriyan [this message]
2015-05-08 18:30 ` [PATCH 02/12] Add parse_integer() (replacement for simple_strto*()) Alexey Dobriyan
2015-05-08 20:46 ` Andrew Morton
2015-05-08 21:52 ` Rasmus Villemoes
2015-05-10 13:52 ` Alexey Dobriyan
2015-05-13 12:19 ` Alexey Dobriyan
2015-05-10 15:52 ` Noel Grandin
2015-07-09 19:28 ` Andrew Morton
2015-07-10 6:46 ` Alexey Dobriyan
2015-05-08 18:31 ` [PATCH 03/12] parse_integer: add runtime testsuite Alexey Dobriyan
2015-05-08 18:33 ` [PATCH 04/12] parse-integer: rewrite kstrto*() Alexey Dobriyan
2015-05-08 18:33 ` [PATCH 05/12] parse_integer: convert scanf() Alexey Dobriyan
2015-05-08 18:34 ` [PATCH 06/12] scanf: fix type range overflow Alexey Dobriyan
2015-05-08 18:35 ` [PATCH 07/12] parse_integer: convert lib/ Alexey Dobriyan
2015-05-08 18:35 ` [PATCH 08/12] parse_integer: convert mm/ Alexey Dobriyan
2015-05-08 18:36 ` [PATCH 09/12] parse_integer: convert fs/ Alexey Dobriyan
2015-05-08 18:37 ` [PATCH 10/37] parse_integer: convert fs/cachefiles/ Alexey Dobriyan
2015-05-08 18:39 ` [PATCH 11/12] parse_integer: convert ext2, ext3, ext4 Alexey Dobriyan
2015-05-08 18:40 ` [PATCH 12/12] parse_integer: convert fs/ocfs2/ Alexey Dobriyan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20150508182911.GA9044@p183.telecom.by \
--to=adobriyan@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@rasmusvillemoes.dk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).