From: John Spencer <maillist-musl@barfooze.de>
To: musl@lists.openwall.com
Subject: Re: [PATCH 3/4] Import BSD functions defined in <netinet/ether.h> from NetBSD
Date: Sun, 21 Oct 2012 02:42:52 +0200 [thread overview]
Message-ID: <5083450C.4070701@barfooze.de> (raw)
In-Reply-To: <1350764145-10305-4-git-send-email-awg@embtoolkit.org>
On 10/20/2012 10:15 PM, Abdoulaye Walsimou Gaye wrote:
> +/*
> + * ether_aton():
> + * This function converts an ASCII string of the same form and to a structure
> + * containing the 6 octets of the address. It returns a pointer to a
> + * static structure that is reused for each call.
> + */
> +struct ether_addr *ether_aton(const char *s)
> +{
> + static struct ether_addr n;
> + unsigned int i[6];
> +
> + assert(s != NULL);
> +
> + if (sscanf(s, " %x:%x:%x:%x:%x:%x ",&i[0],&i[1],
> + &i[2],&i[3],&i[4],&i[5]) == 6) {
> + n.ether_addr_octet[0] = (unsigned char)i[0];
> + n.ether_addr_octet[1] = (unsigned char)i[1];
> + n.ether_addr_octet[2] = (unsigned char)i[2];
> + n.ether_addr_octet[3] = (unsigned char)i[3];
> + n.ether_addr_octet[4] = (unsigned char)i[4];
> + n.ether_addr_octet[5] = (unsigned char)i[5];
> + return&n;
> + }
> + return NULL;
> +}
why do you duplicate the code and not use simply the _r functions from
[4/4] with the static buffer ?
btw the usage of sscanf is both bloated and slow.
anyway, i doubt it makes sense to add this crap; i never needed it for
sabotage which is almost feature complete and compiles 250 packages.
next prev parent reply other threads:[~2012-10-21 0:42 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-20 20:15 [PATCH 0/4] Import <netinet/ether.h> features " Abdoulaye Walsimou Gaye
2012-10-20 20:15 ` [PATCH 1/4] Build system: give ability to install lib/crt*.o files separately Abdoulaye Walsimou Gaye
2012-10-20 23:49 ` Rich Felker
2012-10-20 20:15 ` [PATCH 2/4] Add basic sys/cdefs.h found on most unix Abdoulaye Walsimou Gaye
2012-10-20 23:18 ` Isaac Dunham
2012-10-20 23:38 ` Abdoulaye Walsimou GAYE
2012-10-20 23:38 ` Rich Felker
2012-10-21 0:13 ` Abdoulaye Walsimou GAYE
2012-10-21 0:11 ` Rich Felker
2012-10-21 0:38 ` Abdoulaye Walsimou GAYE
2012-10-21 0:39 ` John Spencer
2012-10-21 1:21 ` John Spencer
2012-10-20 23:50 ` Isaac Dunham
2012-10-20 23:44 ` Rich Felker
2012-10-20 20:15 ` [PATCH 3/4] Import BSD functions defined in <netinet/ether.h> from NetBSD Abdoulaye Walsimou Gaye
2012-10-20 23:37 ` idunham
2012-10-21 0:40 ` Abdoulaye Walsimou GAYE
2012-10-21 0:42 ` John Spencer [this message]
2012-10-21 0:41 ` Rich Felker
2012-10-21 0:52 ` Abdoulaye Walsimou GAYE
2012-10-21 0:48 ` Rich Felker
2012-10-21 0:57 ` John Spencer
2012-10-21 0:53 ` Rich Felker
2012-10-20 20:15 ` [PATCH 4/4] <netinet/ether.h>: Add GNU extensions ether_ntoa_r() and ether_aton_r() Abdoulaye Walsimou Gaye
2012-10-20 23:53 ` Rich Felker
2012-10-21 0:43 ` Abdoulaye Walsimou GAYE
2012-10-21 0:46 ` John Spencer
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