Date: Fri, 22 Jan 1999 22:32:55 +1100 From: Bruce Evans <bde@zeta.org.au> To: current@FreeBSD.ORG, netchild@wurzelausix.CS.Uni-SB.DE Subject: Re: readdir & cd9660 & direntp->d_type == bug (more) Message-ID: <199901221132.WAA17787@godzilla.zeta.org.au>
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>attached is the source of a test program.
>
>With the CD of my ISDN card it produces:
>
>{0} <FreeBSD 4.0-CURRENT>
>(15) netchild@ttyp1 > ./dirtest /cdrom
>
>/cdrom:
>. (type: unknown)
>.. (type: unknown)
>autorun.inf (type: unknown)
This is because the cd9660 file system doesn't implement d_type.
>{0} <FreeBSD 4.0-CURRENT>
>(16) netchild@ttyp1 > ls -l /cdrom
>total 173
>-r-xr-xr-x 1 root wheel 54 22 Mai 1998 autorun.inf
ls works because it stats the file.
>#define _POSIX_SOURCE
>
>#include <sys/types.h>
>#include <dirent.h>
>...
> while((dent_p = readdir(dir_p)))
> {
> printf("%-40s (type: %s)\n", dent_p->d_name, types[dent_p->d_type]);
> }
This probably shouldn't compile, since d_type isn't in POSIX.1. POSIX.1
only guarantees d_name in struct dirent. Names beginning with d_ are
reserved for use in <dirent.h>, but FreeBSD normally attempts to give
strict POSIX.1 if _POSIX_SOURCE is defined.
Bruce
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