From: Mike Frysinger <vapier@gentoo.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2 7/8] sandbox: Add flags for open() call
Date: Sat, 14 Jan 2012 23:44:01 -0500 [thread overview]
Message-ID: <201201142344.01940.vapier@gentoo.org> (raw)
In-Reply-To: <CAPnjgZ2FwVc=yJZvtomREyr+Vw9ykWYk+bysin4yPk0efyMDVg@mail.gmail.com>
On Saturday 14 January 2012 23:36:40 Simon Glass wrote:
> On Sat, Jan 14, 2012 at 8:19 PM, Mike Frysinger wrote:
> > On Tuesday 10 January 2012 19:45:51 Simon Glass wrote:
> >> +enum {
> >> + OS_O_RDONLY,
> >> + OS_O_WRONLY,
> >> + OS_O_RDWR,
> >> + OS_O_CREAT = 0100,
> >> +};
> >
> > the flags are bit based, so an enum won't work i don't think
>
> Mostly, but in /usr/include/bits/fcntl.h:
>
> #define O_RDONLY 00
> #define O_WRONLY 01
> #define O_RDWR 02
> #define O_CREAT 0100 /* not fcntl */
what i mean is that people don't do bitwise operations with enums. so to open
a few for writing and create it, you have to do:
open(..., O_CREAT|O_WRONLY)
which is just weird with enums
-mike
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next prev parent reply other threads:[~2012-01-15 4:44 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-11 0:45 [U-Boot] [PATCH v2 1/8] sandbox: fdt: Add support for CONFIG_OF_CONTROL Simon Glass
2012-01-11 0:45 ` [U-Boot] [PATCH v2 2/8] sandbox: config: Enable fdt and snprintf() options Simon Glass
2012-01-20 18:54 ` Mike Frysinger
2012-01-23 5:30 ` Simon Glass
2012-01-24 21:24 ` Mike Frysinger
2012-02-15 6:26 ` Simon Glass
2012-02-21 5:24 ` Mike Frysinger
2012-02-21 5:37 ` Simon Glass
2012-02-21 6:12 ` Mike Frysinger
2012-01-11 0:45 ` [U-Boot] [PATCH v2 3/8] sandbox: gpio: Add basic driver for simulating GPIOs Simon Glass
2012-01-20 18:59 ` Mike Frysinger
2012-01-23 6:20 ` Simon Glass
2012-01-24 21:35 ` Mike Frysinger
2012-01-24 23:06 ` Mike Frysinger
2012-02-15 22:34 ` Simon Glass
2012-01-11 0:45 ` [U-Boot] [PATCH v2 4/8] sandbox: Enable GPIO driver Simon Glass
2012-01-20 18:59 ` Mike Frysinger
2012-01-23 6:21 ` Simon Glass
2012-01-11 0:45 ` [U-Boot] [PATCH v2 5/8] sandbox: Add concept of sandbox state Simon Glass
2012-01-11 0:45 ` [U-Boot] [PATCH v2 6/8] sandbox: Allow processing instead of or before main loop Simon Glass
2012-01-20 19:00 ` Mike Frysinger
2012-01-23 6:25 ` Simon Glass
2012-01-11 0:45 ` [U-Boot] [PATCH v2 7/8] sandbox: Add flags for open() call Simon Glass
2012-01-15 4:19 ` Mike Frysinger
2012-01-15 4:36 ` Simon Glass
2012-01-15 4:44 ` Mike Frysinger [this message]
2012-01-15 4:48 ` Simon Glass
2012-01-11 0:45 ` [U-Boot] [PATCH v2 8/8] sandbox: Add basic command line parsing Simon Glass
2012-01-20 19:05 ` Mike Frysinger
2012-01-23 6:30 ` Simon Glass
2012-01-24 21:36 ` Mike Frysinger
2012-01-20 18:54 ` [U-Boot] [PATCH v2 1/8] sandbox: fdt: Add support for CONFIG_OF_CONTROL Mike Frysinger
2012-01-23 5:27 ` Simon Glass
2012-01-23 7:32 ` Mike Frysinger
2012-02-15 6:11 ` Simon Glass
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