[src/trunk]: src POSIX-2001: Change readlink(2)'s return type from int to ssi...

[kleink <kleink%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/490d69c702e5
branches:  trunk
changeset: 566495:490d69c702e5
user:      kleink <kleink%NetBSD.org@localhost>
date:      Mon May 10 22:28:23 2004 +0000

description:
POSIX-2001: Change readlink(2)'s return type from int to ssize_t.

diffstat:

 include/unistd.h         |   4 ++--
 lib/libc/sys/readlink.2  |  19 +++++++++++++++----
 sys/kern/syscalls.master |   4 ++--
 3 files changed, 19 insertions(+), 8 deletions(-)

diffs (84 lines):

diff -r 8e2a2ba84c21 -r 490d69c702e5 include/unistd.h
--- a/include/unistd.h  Mon May 10 22:16:42 2004 +0000
+++ b/include/unistd.h  Mon May 10 22:28:23 2004 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: unistd.h,v 1.95 2003/11/18 00:56:56 thorpej Exp $      */
+/*     $NetBSD: unistd.h,v 1.96 2004/05/10 22:28:23 kleink Exp $       */
 
 /*-
  * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
@@ -258,7 +258,7 @@
 int     lchown __P((const char *, uid_t, gid_t));
 #endif
 int     lockf __P((int, int, off_t));
-int     readlink __P((const char *, char *, size_t));
+ssize_t         readlink __P((const char *, char *, size_t));
 void   *sbrk __P((intptr_t));
 /* XXX prototype wrong! */
 int     setpgrp __P((pid_t, pid_t));           /* obsoleted by setpgid() */
diff -r 8e2a2ba84c21 -r 490d69c702e5 lib/libc/sys/readlink.2
--- a/lib/libc/sys/readlink.2   Mon May 10 22:16:42 2004 +0000
+++ b/lib/libc/sys/readlink.2   Mon May 10 22:28:23 2004 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: readlink.2,v 1.18 2003/08/07 16:44:04 agc Exp $
+.\"    $NetBSD: readlink.2,v 1.19 2004/05/10 22:28:24 kleink Exp $
 .\"
 .\" Copyright (c) 1983, 1991, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"     @(#)readlink.2 8.1 (Berkeley) 6/4/93
 .\"
-.Dd June 4, 1993
+.Dd May 10, 2004
 .Dt READLINK 2
 .Os
 .Sh NAME
@@ -39,7 +39,7 @@
 .Lb libc
 .Sh SYNOPSIS
 .In unistd.h
-.Ft int
+.Ft ssize_t
 .Fn readlink "const char *path" "char *buf" "size_t bufsiz"
 .Sh DESCRIPTION
 .Fn readlink
@@ -90,8 +90,19 @@
 .Xr stat 2 ,
 .Xr symlink 2 ,
 .Xr symlink 7
+.Sh STANDARDS
+The
+.Fn readlink
+function conforms to
+.St -p1003.1-2001 .
 .Sh HISTORY
 The
 .Fn readlink
-function call appeared in
+function appeared in
 .Bx 4.2 .
+The type returned was changed from
+.Ft int
+to
+.Ft ssize_t
+in
+.Nx 2.1
diff -r 8e2a2ba84c21 -r 490d69c702e5 sys/kern/syscalls.master
--- a/sys/kern/syscalls.master  Mon May 10 22:16:42 2004 +0000
+++ b/sys/kern/syscalls.master  Mon May 10 22:28:23 2004 +0000
@@ -1,4 +1,4 @@
-       $NetBSD: syscalls.master,v 1.141 2004/04/27 01:12:44 kleink Exp $
+       $NetBSD: syscalls.master,v 1.142 2004/05/10 22:28:24 kleink Exp $
 
 ;      @(#)syscalls.master     8.2 (Berkeley) 1/13/94
 
@@ -164,7 +164,7 @@
 56     STD             { int sys_revoke(const char *path); }
 57     STD             { int sys_symlink(const char *path, \
                            const char *link); }
-58     STD             { int sys_readlink(const char *path, char *buf, \
+58     STD             { ssize_t sys_readlink(const char *path, char *buf, \
                            size_t count); }
 59     STD             { int sys_execve(const char *path, \
                            char * const *argp, char * const *envp); }