From: "Slava Semushin" <slava.semushin@gmail.com>
To: "ALT Devel discussion list" <devel@lists.altlinux.org>
Subject: Re: [devel] [git update] packages/apt: heads/master
Date: Tue, 18 Dec 2007 14:34:58 +0600
Message-ID: <75e139a00712180034q7e92798blf091948e0473c620@mail.gmail.com> (raw)
In-Reply-To: <20071217194406.A22628E8032@ssh.git.local.altlinux.org>
2007/12/18, Dmitry V. Levin <ldv / altlinux.org>:
> Update of /people/ldv/packages/apt.git
[...]
> +--- a/apt/apt-pkg/algorithms.cc
> ++++ b/apt/apt-pkg/algorithms.cc
[...]
> ++/* Like strcmp, but compares digit sections by number value.
> ++ * E.g.: tar-1.10 > tar-1.9 > tar-1.1a
> ++ * (while strcmp gives tar-1.10 < tar-1.9). */
> ++static int nameCompare(const char* n1, const char* n2)
> ++{
> ++ while(*n1 && *n2) {
> ++ if(isdigit(*n1) && isdigit(*n2)) {
> ++ unsigned long long i1, i2;
> ++ i1 = strtoull(n1, const_cast<char **>(&n1), 10);
> ++ i2 = strtoull(n2, const_cast<char **>(&n2), 10);
> ++ if(i1 != i2)
> ++ return (i1 > i2) ? 1 : -1;
> ++ } else if(*n1 != *n2) {
> ++ return (*n1 > *n2) ? 1 : -1;
> ++ } else {
> ++ n1++;
> ++ n2++;
> ++ }
> ++ }
> ++ return 0;
> ++}
[...]
Почему бы не использовать strverscmp() для этих целей? Оно, правда,
GNU extenstion, но портабельность, как понимаю, для нас не критична.
Зато она более стандартна, чем самописный nameCompare() и лучше
документирована.
--
+ Slava Semushin | slava.semushin @ gmail.com
+ ALT Linux Team | php-coder @ altlinux.ru
next parent reply other threads:[~2007-12-18 8:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-18 8:34 ` Slava Semushin [this message]
2007-12-18 9:42 ` Alex Myltsev
2007-12-18 10:18 ` Dmitry V. Levin
2007-12-18 10:35 ` Alexey Rusakov
2007-12-18 10:38 ` Dmitry V. Levin
2007-12-18 11:00 ` Alexey Rusakov
2007-12-18 14:04 ` Dmitry V. Levin
2007-12-19 6:17 ` Slava Semushin
2008-03-30 4:28 ` [devel] apt-pkg/algorithms.cc nameCompare Alexey Tourbin
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=75e139a00712180034q7e92798blf091948e0473c620@mail.gmail.com \
--to=slava.semushin@gmail.com \
--cc=devel@lists.altlinux.org \
/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
ALT Linux Team development discussions
This inbox may be cloned and mirrored by anyone:
git clone --mirror http://lore.altlinux.org/devel/0 devel/git/0.git
# If you have public-inbox 1.1+ installed, you may
# initialize and index your mirror using the following commands:
public-inbox-init -V2 devel devel/ http://lore.altlinux.org/devel \
devel@altlinux.org devel@altlinux.ru devel@lists.altlinux.org devel@lists.altlinux.ru devel@linux.iplabs.ru mandrake-russian@linuxteam.iplabs.ru sisyphus@linuxteam.iplabs.ru
public-inbox-index devel
Example config snippet for mirrors.
Newsgroup available over NNTP:
nntp://lore.altlinux.org/org.altlinux.lists.devel
AGPL code for this site: git clone https://public-inbox.org/public-inbox.git