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Some more [f]pathconf() names, not yet handled. filesizebits returns 64 though.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@25623 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
François Revol 2008-05-22 23:22:26 +00:00
parent 4f20b083aa
commit ca974ded95
2 changed files with 49 additions and 0 deletions
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18
headers/posix/unistd.h
View File

@ -39,6 +39,7 @@
#define _POSIX_THREADS (200112L)
/* pathconf() constants */
/* BeOS supported values, do not touch */
#define _PC_CHOWN_RESTRICTED 1
#define _PC_MAX_CANON 2
#define _PC_MAX_INPUT 3
@ -48,8 +49,25 @@
#define _PC_PIPE_BUF 7
#define _PC_VDISABLE 8
#define _PC_LINK_MAX 25
/* new values */
/* TODO: reorder */
#define _PC_SYNC_IO 26
#define _PC_ASYNC_IO 27
#define _PC_PRIO_IO 28
#define _PC_SOCK_MAXBUF 29
#define _PC_FILESIZEBITS 30
#define _PC_REC_INCR_XFER_SIZE 31
#define _PC_REC_MAX_XFER_SIZE 32
#define _PC_REC_MIN_XFER_SIZE 33
#define _PC_REC_XFER_ALIGN 34
#define _PC_ALLOC_SIZE_MIN 35
#define _PC_SYMLINK_MAX 36
#define _PC_2_SYMLINKS 37
#define _PC_XATTR_EXISTS 38
#define _PC_XATTR_ENABLED 39
/* sysconf() constants */
/* BeOS supported values, do not touch */
#define _SC_ARG_MAX 15
#define _SC_CHILD_MAX 16
#define _SC_CLK_TCK 17

31
src/system/libroot/posix/unistd/conf.c
View File

@ -80,6 +80,11 @@ sysconf(int name)
long
fpathconf(int fd, int name)
{
if (fd < 0) {
errno = EBADF;
return -1;
}
// TODO: should query the underlying filesystem
// for correct value, as most are fs-dependant
// (which is why it's a different call than sysconf() btw).
@ -111,6 +116,32 @@ fpathconf(int fd, int name)
case _PC_VDISABLE:
return _POSIX_VDISABLE;
case _PC_FILESIZEBITS:
return 64;
case _PC_XATTR_EXISTS:
case _PC_XATTR_ENABLED:
/* those seem to be Solaris specific,
* else we should return 1 I suppose.
*/
errno = EINVAL;
return -1;
case _PC_SYNC_IO:
case _PC_ASYNC_IO:
case _PC_PRIO_IO:
case _PC_SOCK_MAXBUF:
case _PC_REC_INCR_XFER_SIZE:
case _PC_REC_MAX_XFER_SIZE:
case _PC_REC_MIN_XFER_SIZE:
case _PC_REC_XFER_ALIGN:
case _PC_ALLOC_SIZE_MIN:
case _PC_SYMLINK_MAX:
case _PC_2_SYMLINKS:
/* not yet supported */
errno = EINVAL;
return -1;
}
errno = EINVAL;