The {get,set}res[ug]id(2) family are in POSIX-2024's XSI option,

so adjust the #include visibility and update the manpage.

ok millert@

diff --git a/include/unistd.h b/include/unistd.h
index 0497207..4242ab0 100644 (file)
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: unistd.h,v 1.110 2024/08/02 01:53:21 guenther Exp $ */
+/*     $OpenBSD: unistd.h,v 1.111 2024/08/02 22:14:54 guenther Exp $ */
 /*     $NetBSD: unistd.h,v 1.26.4.1 1996/05/28 02:31:51 mrg Exp $      */
 
 /*-
@@ -474,6 +474,12 @@ int        unlinkat(int, const char *, int);
 #if __POSIX_VISIBLE >= 202405 || __BSD_VISIBLE
 int    getentropy(void *, size_t);
 #endif
+#if __XPG_VISIBLE >= 800 || __BSD_VISIBLE
+int    getresgid(gid_t *, gid_t *, gid_t *);
+int    getresuid(uid_t *, uid_t *, uid_t *);
+int    setresgid(gid_t, gid_t, gid_t);
+int    setresuid(uid_t, uid_t, uid_t);
+#endif
 
 #if __BSD_VISIBLE
 int    dup3(int, int, int);
@@ -492,8 +498,6 @@ int  getdomainname(char *, size_t)
 int     getdtablecount(void);
 int     getgrouplist(const char *, gid_t, gid_t *, int *);
 mode_t  getmode(const void *, mode_t);
-int     getresgid(gid_t *, gid_t *, gid_t *);
-int     getresuid(uid_t *, uid_t *, uid_t *);
 pid_t   getthrid(void);
 int     getthrname(pid_t, char *, size_t);
 char   *getusershell(void);
@@ -523,8 +527,6 @@ int  sethostname(const char *, size_t);
 int     setlogin(const char *);
 void   *setmode(const char *);
 int     setpgrp(pid_t _pid, pid_t _pgrp);      /* BSD compat version */
-int     setresgid(gid_t, gid_t, gid_t);
-int     setresuid(uid_t, uid_t, uid_t);
 int     setthrname(pid_t, const char *);
 void    setusershell(void);
 int     strtofflags(char **, u_int32_t *, u_int32_t *);

diff --git a/lib/libc/sys/setresuid.2 b/lib/libc/sys/setresuid.2
index 7268f77..43e2dde 100644 (file)
--- a/lib/libc/sys/setresuid.2
+++ b/lib/libc/sys/setresuid.2
@@ -1,4 +1,4 @@
-.\" $OpenBSD: setresuid.2,v 1.9 2015/09/10 17:55:21 schwarze Exp $
+.\" $OpenBSD: setresuid.2,v 1.10 2024/08/02 22:14:54 guenther Exp $
 .\"
 .\" Copyright (c) 2000
 .\"      Sheldon Hearn.  All rights reserved.
@@ -21,7 +21,7 @@
 .\"
 .\" $FreeBSD: src/lib/libc/sys/setresuid.2,v 1.12 2001/10/01 16:09:02 ru Exp $
 .\"
-.Dd $Mdocdate: September 10 2015 $
+.Dd $Mdocdate: August 2 2024 $
 .Dt SETRESUID 2
 .Os
 .Sh NAME
@@ -31,7 +31,6 @@
 .Nm setresuid
 .Nd get or set real, effective and saved user or group ID
 .Sh SYNOPSIS
-.In sys/types.h
 .In unistd.h
 .Ft int
 .Fn getresgid "gid_t *rgid" "gid_t *egid" "gid_t *sgid"
@@ -89,10 +88,13 @@ was invalid.
 .Xr setreuid 2 ,
 .Xr setuid 2
 .Sh STANDARDS
-These functions are not part of the
-.St -p1003.1
-specification.
-While they are not completely portable, they are the least ambiguous way to
-manage user and group IDs.
+The
+.Fn getresgid ,
+.Fn getresuid ,
+.Fn setresgid ,
+and
+.Fn setresuid
+functions conform to the X/Open System Interfaces option of
+.St -p1003.1-2024 .
 .Sh HISTORY
 These functions first appeared in HP-UX.