use the separate packages from lukeshu.com, clean up the Makefile

1 files changed, 0 insertions, 121 deletions

diff --git a/src/getgr/getgr.go b/src/getgr/getgr.go
deleted file mode 100644
index 5e32826..0000000
--- a/src/getgr/getgr.go
+++ /dev/null
@@ -1,121 +0,0 @@
-// Copyright 2015 Luke Shumaker <lukeshu@sbcglobal.net>.
-//
-// This is free software; you can redistribute it and/or modify it
-// under the terms of the GNU Lesser General Public License as
-// published by the Free Software Foundation; either version 2.1 of the
-// License, or (at your option) any later version.
-//
-// This software is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this manual; if not, see
-// <http://www.gnu.org/licenses/>.
-
-// Package getgr provides an interface to query the POSIX group
-// database.
-package getgr
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-//#define _POSIX_SOURCE // for getgrnam_r(3) in grp.h
-//#include <stdlib.h>   // for free(3)
-//#include <unistd.h>   // for sysconf(3)
-//#include <grp.h>      // for getgrnam_r(3)
-//static char *strary(char **ary, unsigned int n) { return ary[n]; }
-import "C"
-
-type Gid uint
-
-type Group struct {
-	Name   string
-	Passwd string
-	Gid    Gid
-	Mem    []string
-}
-
-func strary(c **C.char) (g []string) {
-	g = make([]string, 0)
-	for i := C.uint(0); true; i++ {
-		cstr := C.strary(c, i)
-		if cstr == nil {
-			return
-		}
-		g = append(g, C.GoString(cstr))
-	}
-	panic("not reached")
-}
-
-// A wrapper around C getgrnam_r
-func ByName(name string) (*Group, error) {
-	nameC := C.CString(name)
-	defer C.free(unsafe.Pointer(nameC))
-
-	buflen := C.sysconf(C._SC_GETGR_R_SIZE_MAX)
-	if buflen < 1 {
-		buflen = 1024
-	}
-	buf := make([]byte, buflen)
-	var grp C.struct_group
-	var ret *C.struct_group
-	for {
-		success, errno := C.getgrnam_r(nameC, &grp, (*C.char)(unsafe.Pointer(&buf[0])), C.size_t(buflen), &ret)
-		if success >= 0 {
-			break
-		}
-		if errno == syscall.ERANGE {
-			buflen += 256
-			buf = make([]byte, buflen)
-		} else {
-			return nil, errno
-		}
-	}
-	if ret == nil {
-		return nil, nil
-	}
-	return &Group{
-		Name:   C.GoString(ret.gr_name),
-		Passwd: C.GoString(ret.gr_passwd),
-		Gid:    Gid(ret.gr_gid),
-		Mem:    strary(ret.gr_mem),
-	}, nil
-}
-
-// A wrapper around C getgrgid_r
-func ByGid(gid int32) (*Group, error) {
-	gidC := C.__gid_t(gid)
-
-	buflen := C.sysconf(C._SC_GETGR_R_SIZE_MAX)
-	if buflen < 1 {
-		buflen = 1024
-	}
-	buf := make([]byte, buflen)
-	var grp C.struct_group
-	var ret *C.struct_group
-	for {
-		success, errno := C.getgrgid_r(gidC, &grp, (*C.char)(unsafe.Pointer(&buf[0])), C.size_t(buflen), &ret)
-		if success >= 0 {
-			break
-		}
-		if errno == syscall.ERANGE {
-			buflen += 256
-			buf = make([]byte, buflen)
-		} else {
-			return nil, errno
-		}
-	}
-	if ret == nil {
-		return nil, nil
-	}
-	return &Group{
-		Name:   C.GoString(ret.gr_name),
-		Passwd: C.GoString(ret.gr_passwd),
-		Gid:    Gid(ret.gr_gid),
-		Mem:    strary(ret.gr_mem),
-	}, nil
-}