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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