sbase

commit 17338bfbb881d7944b6ac975c97941fee6036d1c
parent 795ffe490d24a6e85b7717f9ad6ec7b29469500e
Author: sin <sin@2f30.org>
Date:   Thu, 27 Feb 2014 14:26:22 +0000

id(1) is not portable - move it to ubase

Diffstat:
M
Makefile
 | 
1
-
D
id.1
 | 
18
------------------
D
id.c
 | 
132
-------------------------------------------------------------------------------

3 files changed, 0 insertions(+), 151 deletions(-)
diff --git a/Makefile b/Makefile
@@ -50,7 +50,6 @@ SRC = \
 	grep.c     \
 	head.c     \
 	hostname.c \
-	id.c       \
 	kill.c     \
 	ln.c       \
 	ls.c       \
diff --git a/id.1 b/id.1
@@ -1,18 +0,0 @@
-.TH ID 1 sbase\-VERSION
-.SH NAME
-id \- print real and effective user and group IDs
-.SH SYNOPSIS
-.B id
-.RB [ -G ]
-.RB [ user | uid ]
-.SH DESCRIPTION
-Print user and group information of the calling process to standard output.
-If a login name or uid is specified, the user and group information of that
-user is displayed.
-.SH OPTIONS
-.TP
-.B \-G
-Display group information as whitespace separated numbers, in no particular
-order.
-.SH SEE ALSO
-.IR who(1)
diff --git a/id.c b/id.c
@@ -1,132 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include <sys/types.h>
-#include <errno.h>
-#include <unistd.h>
-#include <pwd.h>
-#include <grp.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <limits.h>
-#include <ctype.h>
-#include "util.h"
-
-static void groupid(struct passwd *pw);
-static void user(struct passwd *pw);
-static void userid(uid_t id);
-static void usernam(const char *nam);
-
-static void
-usage(void)
-{
-	eprintf("usage: %s [-G] [user | uid]\n", argv0);
-}
-
-static int Gflag = 0;
-
-int
-main(int argc, char *argv[])
-{
-	ARGBEGIN {
-	case 'G':
-		Gflag = 1;
-		break;
-	default:
-		usage();
-	} ARGEND;
-
-	errno = 0;
-	switch (argc) {
-	case 0:
-		userid(getuid());
-		break;
-	case 1:
-		/* user names can't begin [0-9] */
-		if (isdigit(argv[0][0]))
-			userid(estrtol(argv[0], 0));
-		else
-			usernam(argv[0]);
-		break;
-	default:
-		usage();
-	}
-
-	return EXIT_SUCCESS;
-}
-
-static void
-groupid(struct passwd *pw)
-{
-	gid_t gid, groups[NGROUPS_MAX];
-	int ngroups;
-	int i;
-
-	ngroups = NGROUPS_MAX;
-	getgrouplist(pw->pw_name, pw->pw_gid, groups, &ngroups);
-	for (i = 0; i < ngroups; i++) {
-		gid = groups[i];
-		printf("%u", gid);
-		if (i < ngroups - 1)
-			putchar(' ');
-	}
-	putchar('\n');
-}
-
-static void
-usernam(const char *nam)
-{
-	struct passwd *pw;
-
-	errno = 0;
-	pw = getpwnam(nam);
-	if (errno != 0)
-		eprintf("getpwnam %s:", nam);
-	else if (!pw)
-		eprintf("getpwnam %s: no such user\n", nam);
-	if (Gflag)
-		groupid(pw);
-	else
-		user(pw);
-}
-
-static void
-userid(uid_t id)
-{
-	struct passwd *pw;
-
-	errno = 0;
-	pw = getpwuid(id);
-	if (errno != 0)
-		eprintf("getpwuid %d:", id);
-	else if (!pw)
-		eprintf("getpwuid %d: no such user\n", id);
-	if (Gflag)
-		groupid(pw);
-	else
-		user(pw);
-}
-
-static void
-user(struct passwd *pw)
-{
-	struct group *gr;
-	gid_t gid, groups[NGROUPS_MAX];
-	int ngroups;
-	int i;
-
-	printf("uid=%u(%s)", pw->pw_uid, pw->pw_name);
-	printf(" gid=%u", pw->pw_gid);
-	if (!(gr = getgrgid(pw->pw_gid)))
-		eprintf("getgrgid:");
-	printf("(%s)", gr->gr_name);
-
-	ngroups = NGROUPS_MAX;
-	getgrouplist(pw->pw_name, pw->pw_gid, groups, &ngroups);
-	for (i = 0; i < ngroups; i++) {
-		gid = groups[i];
-		printf("%s%u", !i ? " groups=" : ",", gid);
-		if (!(gr = getgrgid(gid)))
-			eprintf("getgrgid:");
-		printf("(%s)", gr->gr_name);
-	}
-	putchar('\n');
-}