Added sfdisk. Ststic-ified a bunch of stuff.

LICENSE

@@ -22,3 +22,7 @@ Please see the top of the source files for more precise indivigual
 copyright and license info.
 
 This program suite may be distributed under the GNU General Public License.
+
+
+Please send patches, suggestions, insults, and bribes to <andersee@debian.org>.
+

README

@@ -17,11 +17,15 @@ using C++ comments (//)
 After the build is complete a busybox.links file is generated to allow
 you to easily make the sym/hard links to the busybox binary.
 
-Note the modular system is Makefile based, and purposly very
+Note the modular system is Makefile based, and purposely very
 simplistic. It does no dependency checking. That is left for you
 to figure out by trial and error.
 
 Please feed patches back to:
+	Erik Andersen <andersee@deban.org>
+and
+	Bruce Perens <bruce@perens.com>
+and
 	Dave Cinege <dcinege@psychosis.com>
 and:
 	Enrique Zanardi <ezanardi@ull.es>

applets/busybox.c

@@ -14,7 +14,7 @@ static const struct Applet applets[] = {
     {"block_device", block_device_main},
 #endif
 #ifdef BB_CAT			//bin
-    {"cat", cat_more_main},
+    {"cat", cat_main},
 #endif
 #ifdef BB_CHMOD_CHOWN_CHGRP	//bin
     {"chmod", chmod_chown_chgrp_main},
@@ -43,7 +43,7 @@ static const struct Applet applets[] = {
     {"dmesg", dmesg_main},
 #endif
 #ifdef BB_DUTMP			//usr/sbin
-    {"dutmp", cat_more_main},
+    {"dutmp", dutmp_main},
 #endif
 #ifdef BB_FDFLUSH		//bin
     {"fdflush", fdflush_main},
@@ -123,6 +123,10 @@ static const struct Applet applets[] = {
 #ifdef BB_RMDIR			//bin
     {"rmdir", rmdir_main},
 #endif
+#ifdef BB_SFDISK		//sbin
+    {"fdisk", sfdisk_main},
+    {"sfdisk", sfdisk_main},
+#endif
 #ifdef BB_SLEEP			//bin
     {"sleep", sleep_main},
 #endif

archival/gzip.c

@@ -11,7 +11,7 @@
 #error you need zcat to have gzip support!
 #endif
 
-const char gzip_usage[] = "gzip\nignores all command line arguments\ncompress stdin to stdout with -9 compression\n";
+static const char gzip_usage[] = "gzip\nignores all command line arguments\ncompress stdin to stdout with -9 compression\n";
 
 /* gzip.h -- common declarations for all gzip modules
  * Copyright (C) 1992-1993 Jean-loup Gailly.
@@ -380,7 +380,7 @@ extern int block_mode;   /* block compress mode -C compatible with 2.0 */
 #  undef LZW
 #endif
 
-/* $Id: gzip.c,v 1.3 1999/10/16 15:48:40 andersen Exp $ */
+/* $Id: gzip.c,v 1.4 1999/10/19 20:03:34 andersen Exp $ */
 /* tailor.h -- target dependent definitions
  * Copyright (C) 1992-1993 Jean-loup Gailly.
  * This is free software; you can redistribute it and/or modify it under the
@@ -391,7 +391,7 @@ extern int block_mode;   /* block compress mode -C compatible with 2.0 */
  * The target dependent functions should be defined in tailor.c.
  */
 
-/* $Id: gzip.c,v 1.3 1999/10/16 15:48:40 andersen Exp $ */
+/* $Id: gzip.c,v 1.4 1999/10/19 20:03:34 andersen Exp $ */
 
 #if defined(__MSDOS__) && !defined(MSDOS)
 #  define MSDOS
@@ -767,7 +767,7 @@ extern int block_mode;   /* block compress mode -C compatible with 2.0 */
 #endif
 
 #ifdef RCSID
-static char rcsid[] = "$Id: gzip.c,v 1.3 1999/10/16 15:48:40 andersen Exp $";
+static char rcsid[] = "$Id: gzip.c,v 1.4 1999/10/19 20:03:34 andersen Exp $";
 #endif
 
 /* ===========================================================================
@@ -976,7 +976,7 @@ void copy_block(buf, len, header)
 #include <stdio.h>
 
 #ifdef RCSID
-static char rcsid[] = "$Id: gzip.c,v 1.3 1999/10/16 15:48:40 andersen Exp $";
+static char rcsid[] = "$Id: gzip.c,v 1.4 1999/10/19 20:03:34 andersen Exp $";
 #endif
 
 /* ===========================================================================
@@ -1592,7 +1592,7 @@ ulg deflate()
  */
 
 #ifdef RCSID
-static char rcsid[] = "$Id: gzip.c,v 1.3 1999/10/16 15:48:40 andersen Exp $";
+static char rcsid[] = "$Id: gzip.c,v 1.4 1999/10/19 20:03:34 andersen Exp $";
 #endif
 
 #include <ctype.h>
@@ -1925,7 +1925,7 @@ local void do_exit(int exitcode)
 #include <ctype.h>
 
 #ifdef RCSID
-static char rcsid[] = "$Id: gzip.c,v 1.3 1999/10/16 15:48:40 andersen Exp $";
+static char rcsid[] = "$Id: gzip.c,v 1.4 1999/10/19 20:03:34 andersen Exp $";
 #endif
 
 /* ===========================================================================
@@ -2943,7 +2943,7 @@ local void set_file_type()
  */
 
 #ifdef RCSID
-static char rcsid[] = "$Id: gzip.c,v 1.3 1999/10/16 15:48:40 andersen Exp $";
+static char rcsid[] = "$Id: gzip.c,v 1.4 1999/10/19 20:03:34 andersen Exp $";
 #endif
 
 #include <ctype.h>
@@ -3142,7 +3142,7 @@ void display_ratio(num, den, file)
  */
 
 #ifdef RCSID
-static char rcsid[] = "$Id: gzip.c,v 1.3 1999/10/16 15:48:40 andersen Exp $";
+static char rcsid[] = "$Id: gzip.c,v 1.4 1999/10/19 20:03:34 andersen Exp $";
 #endif
 
 #include <ctype.h>

archival/tar.c

@@ -12,17 +12,6 @@
 
 
 #include "internal.h"
-
-#ifdef BB_TAR
-
-const char tar_usage[] =
-    "Create, extract, or list files from a TAR file\n\n"
-    "usage: tar -[cxtvOf] [tarFileName] [FILE] ...\n"
-    "\tc=create, x=extract, t=list contents, v=verbose,\n"
-    "\tO=extract to stdout, f=tarfile or \"-\" for stdin\n";
-
-
-
 #include <stdio.h>
 #include <dirent.h>
 #include <errno.h>
@@ -30,6 +19,15 @@ const char tar_usage[] =
 #include <signal.h>
 #include <time.h>
 
+
+static const char tar_usage[] =
+    "Create, extract, or list files from a TAR file\n\n"
+    "usage: tar -[cxtvOf] [tarFileName] [FILE] ...\n"
+    "\tc=create, x=extract, t=list contents, v=verbose,\n"
+    "\tO=extract to stdout, f=tarfile or \"-\" for stdin\n";
+
+
+
 /*
  * Tar file constants.
  */
@@ -1151,5 +1149,4 @@ wantFileName (const char *fileName, int fileCount, char **fileTable)
 
 
 
-#endif
 /* END CODE */

busybox.c

@@ -14,7 +14,7 @@ static const struct Applet applets[] = {
     {"block_device", block_device_main},
 #endif
 #ifdef BB_CAT			//bin
-    {"cat", cat_more_main},
+    {"cat", cat_main},
 #endif
 #ifdef BB_CHMOD_CHOWN_CHGRP	//bin
     {"chmod", chmod_chown_chgrp_main},
@@ -43,7 +43,7 @@ static const struct Applet applets[] = {
     {"dmesg", dmesg_main},
 #endif
 #ifdef BB_DUTMP			//usr/sbin
-    {"dutmp", cat_more_main},
+    {"dutmp", dutmp_main},
 #endif
 #ifdef BB_FDFLUSH		//bin
     {"fdflush", fdflush_main},
@@ -123,6 +123,10 @@ static const struct Applet applets[] = {
 #ifdef BB_RMDIR			//bin
     {"rmdir", rmdir_main},
 #endif
+#ifdef BB_SFDISK		//sbin
+    {"fdisk", sfdisk_main},
+    {"sfdisk", sfdisk_main},
+#endif
 #ifdef BB_SLEEP			//bin
     {"sleep", sleep_main},
 #endif

busybox.def.h

@@ -40,6 +40,7 @@
 #define BB_REBOOT
 #define BB_RM
 #define BB_RMDIR
+#define BB_SFDISK
 #define BB_SLEEP
 #define BB_SWAPONOFF
 #define BB_SYNC

cat.c

@@ -32,7 +32,7 @@ static void print_file( FILE *file)
     fflush(stdout);
 }
 
-extern int cat_more_main(int argc, char **argv)
+extern int cat_main(int argc, char **argv)
 {
     FILE *file;
 

chmod_chown_chgrp.c

@@ -144,3 +144,171 @@ int chmod_chown_chgrp_main(int argc, char **argv)
     exit(TRUE);
 }
 
+
+
+
+
+
+
+
+
+
+
+
+#ifdef fooo
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+#include "internal.h"
+#include <pwd.h>
+#include <grp.h>
+#include <string.h>
+#include <stdio.h>
+
+int my_getid(const char *filename, const char *name, uid_t *id) 
+{
+	FILE *stream;
+	uid_t rid;
+	char *rname, *start, *end, buf[128];
+
+	stream=fopen(filename,"r");
+
+	while (fgets (buf, 128, stream) != NULL) {
+		if (buf[0] == '#')
+			continue;
+
+		start = buf;
+		end = strchr (start, ':');
+		if (end == NULL)
+			continue;
+		*end = '\0';
+		rname = start;
+
+		start = end + 1;
+		end = strchr (start, ':');
+		if (end == NULL)
+			continue;
+
+		start = end + 1;
+		rid = (uid_t) strtol (start, &end, 10);
+		if (end == start)
+			continue;
+
+		if (name) {
+			if (0 == strcmp(rname, name)) {
+				*id=rid;
+				return 0;
+			}
+		} else {
+			if ( *id == rid )
+				return 0;
+		}
+	}
+	fclose(stream);
+	return -1;
+}
+
+int 
+my_getpwuid(uid_t *uid) 
+{
+	return my_getid("/etc/passwd", NULL, uid);
+}
+
+int 
+my_getpwnam(char *name, uid_t *uid) 
+{
+	return my_getid("/etc/passwd", name, uid);
+}
+
+int 
+my_getgrgid(gid_t *gid) 
+{
+	return my_getid("/etc/group", NULL, gid);
+}
+
+int 
+my_getgrnam(char *name, gid_t *gid) 
+{
+	return my_getid("/etc/group", name, gid);
+}
+
+const char	chown_usage[] = "chown [-R] user-name file [file ...]\n"
+"\n\tThe group list is kept in the file /etc/groups.\n\n"
+"\t-R:\tRecursively change the mode of all files and directories\n"
+"\t\tunder the argument directory.";
+
+int
+parse_user_name(const char * s, struct FileInfo * i)
+{
+	char *				dot = strchr(s, '.');
+	char * end = NULL;
+	uid_t id = 0;
+
+	if (! dot )
+		dot = strchr(s, ':');
+
+	if ( dot )
+		*dot = '\0';
+
+	if ( my_getpwnam(s,&id) == -1 ) {
+		id = strtol(s,&end,10);
+		if ((*end != '\0') || ( my_getpwuid(&id) == -1 )) {
+			fprintf(stderr, "%s: no such user.\n", s);
+			return 1;
+		}
+	}
+	i->userID = id;
+
+	if ( dot ) {
+		if ( my_getgrnam(++dot,&id) == -1 ) {
+			id = strtol(dot,&end,10);
+			if ((*end != '\0') || ( my_getgrgid(&id) == -1 )) {
+				fprintf(stderr, "%s: no such group.\n", dot);
+				return 1;
+			}
+		}
+		i->groupID = id;
+		i->changeGroupID = 1;
+	}
+	return 0;
+}
+
+extern int
+chown_main(struct FileInfo * i, int argc, char * * argv)
+{
+	int					status;
+
+	while ( argc >= 3 && strcmp("-R", argv[1]) == 0 ) {
+		i->recursive = 1;
+		argc--;
+		argv++;
+	}
+
+	if ( (status = parse_user_name(argv[1], i)) != 0 )
+		return status;
+
+	argv++;
+	argc--;
+
+	i->changeUserID = 1;
+	i->complainInPostProcess = 1;
+
+	return monadic_main(i, argc, argv);
+}
+
+
+
+
+#endif

console-tools/loadfont.c

@@ -75,7 +75,7 @@ do_loadfont(int fd, char *inbuf, int unit, int fontsize) {
 	for (i = 0; i < fontsize; i++)
 	    memcpy(buf+(32*i), inbuf+(unit*i), unit);
 
-#if defined( PIO_FONTX ) && !defined( sparc )
+#if defined( PIO_FONTX ) && !defined( __sparc__ )
 	{
 	    struct consolefontdesc cfd;
 
@@ -196,7 +196,7 @@ loadnewfont(int fd) {
 		exit(1);
 	    }
 	    fontsize = ((psfhdr.mode & PSF_MODE512) ? 512 : 256);
-#if !defined( PIO_FONTX ) || defined( sparc )
+#if !defined( PIO_FONTX ) || defined( __sparc__ )
 	    if (fontsize != 256) {
 		fprintf(stderr, "Only fontsize 256 supported\n");
 		exit(1);

console-tools/loadkmap.c

@@ -7,7 +7,7 @@
 #include <sys/ioctl.h>
 
 
-const char			loadkmap_usage[] = "loadkmap\n"
+static const char loadkmap_usage[] = "loadkmap\n"
 "\n"
 "\tLoad a binary keyboard translation table from standard input.\n"
 "\n";
@@ -48,7 +48,7 @@ loadkmap_main(int argc, char * * argv)
 	if (flags[i]==1){
 	    pos=0;
 	    while (pos < ibuffsz) {
-		if ( (readsz = read(0,ibuff+pos,ibuffsz-pos)) < 0 ) {
+		if ( (readsz = read(0,(char *)ibuff+pos,ibuffsz-pos)) < 0 ) {
 		    fprintf(stderr, "Error reading keymap: %s\n", 
 			strerror(errno));
 		    return 1;

coreutils/cat.c

@@ -32,7 +32,7 @@ static void print_file( FILE *file)
     fflush(stdout);
 }
 
-extern int cat_more_main(int argc, char **argv)
+extern int cat_main(int argc, char **argv)
 {
     FILE *file;
 

coreutils/cp.c

@@ -25,7 +25,7 @@
 #include <utime.h>
 #include <dirent.h>
 
-const char cp_usage[] = "cp [OPTION]... SOURCE DEST\n"
+static const char cp_usage[] = "cp [OPTION]... SOURCE DEST\n"
     "   or: cp [OPTION]... SOURCE... DIRECTORY\n"
     "Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.\n"
     "\n"

coreutils/date.c

@@ -34,7 +34,7 @@
    an RFC 822 complient date output for shell scripting
    mail commands */
 
-const char	date_usage[] = "date [OPTION]... [+FORMAT]\n"
+static const char	date_usage[] = "date [OPTION]... [+FORMAT]\n"
 "  or:  date [OPTION] [MMDDhhmm[[CC]YY][.ss]]\n"
 "Display the current time in the given FORMAT, or set the system date.\n"
 "\nOptions:\n\t-R\t\toutput RFC-822 compliant date string\n"

coreutils/dd.c

@@ -14,7 +14,7 @@
 #include <fcntl.h>
 #include <errno.h>
 
-const char dd_usage[] =
+static const char dd_usage[] =
     "Copy a file, converting and formatting according to options\n\
 \n\
 usage: [if=name] [of=name] [bs=n] [count=n]\n\

coreutils/df.c

@@ -5,7 +5,7 @@
 #include <sys/vfs.h>
 #include <fstab.h>
 
-const char	df_usage[] = "df [filesystem ...]\n"
+static const char	df_usage[] = "df [filesystem ...]\n"
 "\n"
 "\tPrint the filesystem space used and space available.\n";
 

coreutils/ls.c

@@ -132,7 +132,6 @@ int ls_main(int argc, char **argv)
 #else
 
 
-#include "internal.h"
 /*
  * tiny-ls.c version 0.1.0: A minimalist 'ls'
  * Copyright (C) 1996 Brian Candler <B.Candler@pobox.com>
@@ -175,7 +174,7 @@ int ls_main(int argc, char **argv)
  * 1. requires lstat (BSD) - how do you do it without?
  */
 
-#define FEATURE_USERNAME	/* show username/groupnames (libc6 uses NSS) */
+//#define FEATURE_USERNAME	/* show username/groupnames (libc6 uses NSS) */
 #define FEATURE_TIMESTAMPS	/* show file timestamps */
 #define FEATURE_AUTOWIDTH	/* calculate terminal & column widths */
 #define FEATURE_FILETYPECHAR	/* enable -p and -F */
@@ -187,8 +186,8 @@ int ls_main(int argc, char **argv)
 
 /************************************************************************/
 
-
+#include "internal.h"
-#if 1 /* FIXME libc 6 */
+#if !defined(__GLIBC__) && (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
 # include <linux/types.h> 
 #else
 # include <sys/types.h> 
@@ -225,7 +224,7 @@ int ls_main(int argc, char **argv)
 
 /* The 9 mode bits to test */
 
-static const umode_t MBIT[] = {
+static const mode_t MBIT[] = {
   S_IRUSR, S_IWUSR, S_IXUSR,
   S_IRGRP, S_IWGRP, S_IXGRP,
   S_IROTH, S_IWOTH, S_IXOTH
@@ -233,7 +232,7 @@ static const umode_t MBIT[] = {
 
 /* The special bits. If set, display SMODE0/1 instead of MODE0/1 */
 
-static const umode_t SBIT[] = {
+static const mode_t SBIT[] = {
   0, 0, S_ISUID,
   0, 0, S_ISGID,
   0, 0, S_ISVTX
@@ -278,7 +277,7 @@ static unsigned char time_fmt = TIME_MOD;
 
 static void writenum(long val, short minwidth)
 {
-	char	scratch[20];
+	char	scratch[128];
 
 	char *p = scratch + sizeof(scratch);
 	short len = 0;
@@ -324,7 +323,7 @@ static void tab(short col)
 }
 
 #ifdef FEATURE_FILETYPECHAR
-static char append_char(umode_t mode)
+static char append_char(mode_t mode)
 {
 	if (!(opts & DISP_FTYPE))
 		return '\0';
@@ -343,14 +342,14 @@ static char append_char(umode_t mode)
 
 static void list_single(const char *name, struct stat *info)
 {
-	char scratch[20];
+	char scratch[PATH_MAX];
 	short len = strlen(name);
 #ifdef FEATURE_FILETYPECHAR
 	char append = append_char(info->st_mode);
 #endif
 	
 	if (display_fmt == FMT_LONG) {
-		umode_t mode = info->st_mode; 
+		mode_t mode = info->st_mode; 
 		int i;
 		
 		scratch[0] = TYPECHAR(mode);

coreutils/mkdir.c

@@ -24,7 +24,7 @@
 #include <errno.h>
 #include <sys/param.h>
 
-const char mkdir_usage[] = "Usage: mkdir [OPTION] DIRECTORY...\n"
+static const char mkdir_usage[] = "Usage: mkdir [OPTION] DIRECTORY...\n"
 "Create the DIRECTORY(ies), if they do not already exist\n\n"
 "-m\tset permission mode (as in chmod), not rwxrwxrwx - umask\n"
 "-p\tno error if existing, make parent directories as needed\n";

coreutils/mknod.c

@@ -6,7 +6,7 @@
 #include <fcntl.h>
 #include <unistd.h>
 
-const char mknod_usage[] = "mknod file b|c|u|p major minor\n"
+static const char mknod_usage[] = "mknod file b|c|u|p major minor\n"
 "\tMake special files.\n"
 "\n"
 "\tb:\tMake a block (buffered) device.\n"

coreutils/printf.c

@@ -136,7 +136,7 @@ static void verify __P ((char *s, char *end));
 /* The value to return to the calling program.  */
 static int exit_status;
 
-const char	printf_usage[] = "printf format [argument...]\n";
+static const char	printf_usage[] = "printf format [argument...]\n";
 
 int
 printf_main(int argc, char** argv)

coreutils/touch.c

@@ -28,7 +28,7 @@
 #include <errno.h>
 
 
-const char touch_usage[] = "touch [-c] file [file ...]\n\n"
+static const char touch_usage[] = "touch [-c] file [file ...]\n\n"
 "\tUpdate the last-modified date on the given file[s].\n";
 
 

cp.c

@@ -25,7 +25,7 @@
 #include <utime.h>
 #include <dirent.h>
 
-const char cp_usage[] = "cp [OPTION]... SOURCE DEST\n"
+static const char cp_usage[] = "cp [OPTION]... SOURCE DEST\n"
     "   or: cp [OPTION]... SOURCE... DIRECTORY\n"
     "Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.\n"
     "\n"

date.c

@@ -34,7 +34,7 @@
    an RFC 822 complient date output for shell scripting
    mail commands */
 
-const char	date_usage[] = "date [OPTION]... [+FORMAT]\n"
+static const char	date_usage[] = "date [OPTION]... [+FORMAT]\n"
 "  or:  date [OPTION] [MMDDhhmm[[CC]YY][.ss]]\n"
 "Display the current time in the given FORMAT, or set the system date.\n"
 "\nOptions:\n\t-R\t\toutput RFC-822 compliant date string\n"

dd.c

@@ -14,7 +14,7 @@
 #include <fcntl.h>
 #include <errno.h>
 
-const char dd_usage[] =
+static const char dd_usage[] =
     "Copy a file, converting and formatting according to options\n\
 \n\
 usage: [if=name] [of=name] [bs=n] [count=n]\n\

df.c

@@ -5,7 +5,7 @@
 #include <sys/vfs.h>
 #include <fstab.h>
 
-const char	df_usage[] = "df [filesystem ...]\n"
+static const char	df_usage[] = "df [filesystem ...]\n"
 "\n"
 "\tPrint the filesystem space used and space available.\n";
 

dmesg.c

@@ -1,45 +1,49 @@
-#include "internal.h"
-#include <stdlib.h>
-#include <unistd.h>
-#include <time.h>
-
 /* dmesg.c -- Print out the contents of the kernel ring buffer
  * Created: Sat Oct  9 16:19:47 1993
  * Revised: Thu Oct 28 21:52:17 1993 by faith@cs.unc.edu
  * Copyright 1993 Theodore Ts'o (tytso@athena.mit.edu)
  * This program comes with ABSOLUTELY NO WARRANTY.
  * Modifications by Rick Sladkey (jrs@world.std.com)
- * from util-linux; adapted for busybox
+ * Larger buffersize 3 June 1998 by Nicolai Langfeldt, based on a patch
+ * by Peeter Joot.  This was also suggested by John Hudson.
+ * 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@misiek.eu.org>
+ * - added Native Language Support
+ *
+ * from util-linux -- adapted for busybox by 
+ * Erik Andersen <andersee@debian.org>. I ripped out Native Language 
+ * Support, replaced getopt, added some gotos for redundant stuff.
  */
 
+#include "internal.h"
 #include <linux/unistd.h>
 #include <stdio.h>
+#include <getopt.h>
+#include <stdlib.h>
 
-#define __NR_klog __NR_syslog
+#if __GNU_LIBRARY__ < 5
+
+#ifndef __alpha__
+# define __NR_klogctl __NR_syslog
+  static inline _syscall3(int, klogctl, int, type, char *, b, int, len);
+#else /* __alpha__ */
+#define klogctl syslog
+#endif
 
-#if defined(__GLIBC__)
-#include <sys/klog.h>
-#define klog klogctl
 #else
-static inline _syscall3 (int, klog, int, type, char *, b, int, len)
+# include <sys/klog.h>
-#endif				/* __GLIBC__ */
+#endif
 
+static const char dmesg_usage[] = "dmesg [-c] [-n level] [-s bufsize]\n";
 
-
+int dmesg_main( int argc, char** argv )
-static const char dmesg_usage[] = "dmesg [-c] [-n level]\n";
-
-int dmesg_main (int argc, char **argv)
 {
-
+   char *buf;
-    char buf[4096];
+   int	bufsize=8196;
-    int i;
+   int  i;
-    int n;
+   int  n;
-    int level = 0;
+   int  level = 0;
-    int lastc;
+   int  lastc;
-    int cmd = 3;
+   int  cmd = 3;
-
-    argc--;
-    argv++;
 
     /* Parse any options */
     while (argc && **argv == '-') {
@@ -56,43 +60,57 @@ int dmesg_main (int argc, char **argv)
 		--argc;
 		++argv;
 		break;
+	    case 's':
+		if (--argc == 0)
+		    goto end;
+		bufsize = atoi (*(++argv));
+		--argc;
+		++argv;
+		break;
 	    default:
 		goto end;
 	    }
     }
+   
+   if (argc > 1) {
+	goto end;
+   }
 
-    if (cmd == 8) {
+   if (cmd == 8) {
-	n = klog (cmd, NULL, level);
+      n = klogctl( cmd, NULL, level );
-	if (n < 0) {
+      if (n < 0) {
-	    perror ("klog");
+	  goto klogctl_error;
-	    exit (FALSE);
+      }
-	}
+      exit( TRUE );
-	exit (TRUE);
+   }
-    }
 
-    n = klog (cmd, buf, sizeof (buf));
+   if (bufsize < 4096) bufsize = 4096;
-    if (n < 0) {
+   buf = (char*)malloc(bufsize);
-	perror ("klog");
+   n = klogctl( cmd, buf, bufsize );
-	exit (FALSE);
+   if (n < 0) {
-    }
+       goto klogctl_error;
+   }
 
-    lastc = '\n';
+   lastc = '\n';
-    for (i = 0; i < n; i++) {
+   for (i = 0; i < n; i++) {
-	if ((i == 0 || buf[i - 1] == '\n') && buf[i] == '<') {
+      if ((i == 0 || buf[i - 1] == '\n') && buf[i] == '<') {
+	 i++;
+	 while (buf[i] >= '0' && buf[i] <= '9')
 	    i++;
-	    while (buf[i] >= '0' && buf[i] <= '9')
+	 if (buf[i] == '>')
-		i++;
+	    i++;
-	    if (buf[i] == '>')
+      }
-		i++;
+      lastc = buf[i];
-	}
+      putchar( lastc );
-	lastc = buf[i];
+   }
-	putchar (lastc);
+   if (lastc != '\n')
-    }
+      putchar( '\n' );
-    if (lastc != '\n')
+   exit( TRUE);
-	putchar ('\n');
+end:
-    exit (TRUE);
-
-  end:
     usage( dmesg_usage);
     exit (FALSE);
+klogctl_error:
+    perror( "klogctl" );
+    exit( FALSE );
+
 }

dutmp.c

@@ -14,12 +14,12 @@
 #include <stdio.h>
 #include <utmp.h>
 
-const char dutmp_usage[] = "dutmp\n"
+static const char dutmp_usage[] = "dutmp\n"
     "\n"
     "\tDump file or stdin utmp file format to stdout, pipe delimited.\n"
     "\tdutmp /var/run/utmp\n";
 
-extern int dutmp_fn (int argc, char **argv)
+static int dutmp_main (int argc, char **argv)
 {
 
     FILE *f = stdin;

findutils/grep.c

@@ -29,7 +29,7 @@
 #include <ctype.h>
 
 
-const char grep_usage[] =
+static const char grep_usage[] =
 "grep [-ihn]... PATTERN [FILE]...\n"
 "Search for PATTERN in each FILE or standard input.\n\n"
 "\t-h\tsuppress the prefixing filename on output\n"

grep.c

@@ -29,7 +29,7 @@
 #include <ctype.h>
 
 
-const char grep_usage[] =
+static const char grep_usage[] =
 "grep [-ihn]... PATTERN [FILE]...\n"
 "Search for PATTERN in each FILE or standard input.\n\n"
 "\t-h\tsuppress the prefixing filename on output\n"

gzip.c

@@ -11,7 +11,7 @@
 #error you need zcat to have gzip support!
 #endif
 
-const char gzip_usage[] = "gzip\nignores all command line arguments\ncompress stdin to stdout with -9 compression\n";
+static const char gzip_usage[] = "gzip\nignores all command line arguments\ncompress stdin to stdout with -9 compression\n";
 
 /* gzip.h -- common declarations for all gzip modules
  * Copyright (C) 1992-1993 Jean-loup Gailly.
@@ -380,7 +380,7 @@ extern int block_mode;   /* block compress mode -C compatible with 2.0 */
 #  undef LZW
 #endif
 
-/* $Id: gzip.c,v 1.3 1999/10/16 15:48:40 andersen Exp $ */
+/* $Id: gzip.c,v 1.4 1999/10/19 20:03:34 andersen Exp $ */
 /* tailor.h -- target dependent definitions
  * Copyright (C) 1992-1993 Jean-loup Gailly.
  * This is free software; you can redistribute it and/or modify it under the
@@ -391,7 +391,7 @@ extern int block_mode;   /* block compress mode -C compatible with 2.0 */
  * The target dependent functions should be defined in tailor.c.
  */
 
-/* $Id: gzip.c,v 1.3 1999/10/16 15:48:40 andersen Exp $ */
+/* $Id: gzip.c,v 1.4 1999/10/19 20:03:34 andersen Exp $ */
 
 #if defined(__MSDOS__) && !defined(MSDOS)
 #  define MSDOS
@@ -767,7 +767,7 @@ extern int block_mode;   /* block compress mode -C compatible with 2.0 */
 #endif
 
 #ifdef RCSID
-static char rcsid[] = "$Id: gzip.c,v 1.3 1999/10/16 15:48:40 andersen Exp $";
+static char rcsid[] = "$Id: gzip.c,v 1.4 1999/10/19 20:03:34 andersen Exp $";
 #endif
 
 /* ===========================================================================
@@ -976,7 +976,7 @@ void copy_block(buf, len, header)
 #include <stdio.h>
 
 #ifdef RCSID
-static char rcsid[] = "$Id: gzip.c,v 1.3 1999/10/16 15:48:40 andersen Exp $";
+static char rcsid[] = "$Id: gzip.c,v 1.4 1999/10/19 20:03:34 andersen Exp $";
 #endif
 
 /* ===========================================================================
@@ -1592,7 +1592,7 @@ ulg deflate()
  */
 
 #ifdef RCSID
-static char rcsid[] = "$Id: gzip.c,v 1.3 1999/10/16 15:48:40 andersen Exp $";
+static char rcsid[] = "$Id: gzip.c,v 1.4 1999/10/19 20:03:34 andersen Exp $";
 #endif
 
 #include <ctype.h>
@@ -1925,7 +1925,7 @@ local void do_exit(int exitcode)
 #include <ctype.h>
 
 #ifdef RCSID
-static char rcsid[] = "$Id: gzip.c,v 1.3 1999/10/16 15:48:40 andersen Exp $";
+static char rcsid[] = "$Id: gzip.c,v 1.4 1999/10/19 20:03:34 andersen Exp $";
 #endif
 
 /* ===========================================================================
@@ -2943,7 +2943,7 @@ local void set_file_type()
  */
 
 #ifdef RCSID
-static char rcsid[] = "$Id: gzip.c,v 1.3 1999/10/16 15:48:40 andersen Exp $";
+static char rcsid[] = "$Id: gzip.c,v 1.4 1999/10/19 20:03:34 andersen Exp $";
 #endif
 
 #include <ctype.h>
@@ -3142,7 +3142,7 @@ void display_ratio(num, den, file)
  */
 
 #ifdef RCSID
-static char rcsid[] = "$Id: gzip.c,v 1.3 1999/10/16 15:48:40 andersen Exp $";
+static char rcsid[] = "$Id: gzip.c,v 1.4 1999/10/19 20:03:34 andersen Exp $";
 #endif
 
 #include <ctype.h>

init.c

@@ -300,7 +300,7 @@ configure_terminals( int serial_cons, int single_user_mode )
 	}
 	if (!first_terminal)
 		first_terminal = console;
-#if #cpu (sparc)
+#if defined (__sparc__)
 	if (serial_cons > 0 && !strncmp(term_ptr,"TERM=linux",10))
 	    term_ptr = "TERM=vt100";
 #endif

init/init.c

@@ -300,7 +300,7 @@ configure_terminals( int serial_cons, int single_user_mode )
 	}
 	if (!first_terminal)
 		first_terminal = console;
-#if #cpu (sparc)
+#if defined (__sparc__)
 	if (serial_cons > 0 && !strncmp(term_ptr,"TERM=linux",10))
 	    term_ptr = "TERM=vt100";
 #endif

internal.h

@@ -56,7 +56,7 @@ struct Applet {
 
 extern int busybox_main(int argc, char** argv);
 extern int block_device_main(int argc, char** argv);
-extern int cat_more_main(int argc, char** argv);
+extern int cat_main(int argc, char** argv);
 extern int more_main(int argc, char** argv);
 extern int cp_main(int argc, char** argv);
 extern int chmod_chown_chgrp_main(int argc, char** argv);
@@ -66,6 +66,7 @@ extern int date_main(int argc, char** argv);
 extern int dd_main(int argc, char** argv);
 extern int df_main(int argc, char** argv);
 extern int dmesg_main(int argc, char** argv);
+extern int dutmp_main(int argc, char** argv);
 extern int false_main(int argc, char** argv);
 extern int fdisk_main(int argc, char** argv);
 extern int fdflush_main(int argc, char **argv);
@@ -96,11 +97,12 @@ extern int rmdir_main(int argc, char **argv);
 extern int rm_main(int argc, char** argv);
 extern int scan_partitions_main(int argc, char** argv);
 extern int sh_main(int argc, char** argv);
+extern int sfdisk_main(int argc, char** argv);
 extern int sleep_main(int argc, char** argv);
 extern int swap_on_off_main(int argc, char** argv);
+extern int sync_main(int argc, char** argv);
 extern int tar_main(int argc, char** argv);
 extern int touch_main(int argc, char** argv);
-extern int sync_main(int argc, char** argv);
 extern int tput_main(int argc, char** argv);
 extern int true_main(int argc, char** argv);
 extern int tryopen_main(int argc, char** argv);

kill.c

@@ -21,20 +21,20 @@ const struct signal_name signames[] = {
 #ifndef __alpha__
     {"IOT", SIGIOT},
 #endif
-#if defined(sparc) || defined(__alpha__)
+#if defined(__sparc__) || defined(__alpha__)
     {"EMT", SIGEMT},
 #else
     {"BUS", SIGBUS},
 #endif
     {"FPE", SIGFPE},
     {"KILL", SIGKILL},
-#if defined(sparc) || defined(__alpha__)
+#if defined(__sparc__) || defined(__alpha__)
     {"BUS", SIGBUS},
 #else
     {"USR1", SIGUSR1},
 #endif
     {"SEGV", SIGSEGV},
-#if defined(sparc) || defined(__alpha__)
+#if defined(__sparc__) || defined(__alpha__)
     {"SYS", SIGSYS},
 #else
     {"USR2", SIGUSR2},
@@ -42,7 +42,7 @@ const struct signal_name signames[] = {
     {"PIPE", SIGPIPE},
     {"ALRM", SIGALRM},
     {"TERM", SIGTERM},
-#if defined(sparc) || defined(__alpha__)
+#if defined(__sparc__) || defined(__alpha__)
     {"URG", SIGURG},
     {"STOP", SIGSTOP},
     {"TSTP", SIGTSTP},

loadfont.c

@@ -75,7 +75,7 @@ do_loadfont(int fd, char *inbuf, int unit, int fontsize) {
 	for (i = 0; i < fontsize; i++)
 	    memcpy(buf+(32*i), inbuf+(unit*i), unit);
 
-#if defined( PIO_FONTX ) && !defined( sparc )
+#if defined( PIO_FONTX ) && !defined( __sparc__ )
 	{
 	    struct consolefontdesc cfd;
 
@@ -196,7 +196,7 @@ loadnewfont(int fd) {
 		exit(1);
 	    }
 	    fontsize = ((psfhdr.mode & PSF_MODE512) ? 512 : 256);
-#if !defined( PIO_FONTX ) || defined( sparc )
+#if !defined( PIO_FONTX ) || defined( __sparc__ )
 	    if (fontsize != 256) {
 		fprintf(stderr, "Only fontsize 256 supported\n");
 		exit(1);

loadkmap.c

@@ -7,7 +7,7 @@
 #include <sys/ioctl.h>
 
 
-const char			loadkmap_usage[] = "loadkmap\n"
+static const char loadkmap_usage[] = "loadkmap\n"
 "\n"
 "\tLoad a binary keyboard translation table from standard input.\n"
 "\n";
@@ -48,7 +48,7 @@ loadkmap_main(int argc, char * * argv)
 	if (flags[i]==1){
 	    pos=0;
 	    while (pos < ibuffsz) {
-		if ( (readsz = read(0,ibuff+pos,ibuffsz-pos)) < 0 ) {
+		if ( (readsz = read(0,(char *)ibuff+pos,ibuffsz-pos)) < 0 ) {
 		    fprintf(stderr, "Error reading keymap: %s\n", 
 			strerror(errno));
 		    return 1;

ls.c

@@ -132,7 +132,6 @@ int ls_main(int argc, char **argv)
 #else
 
 
-#include "internal.h"
 /*
  * tiny-ls.c version 0.1.0: A minimalist 'ls'
  * Copyright (C) 1996 Brian Candler <B.Candler@pobox.com>
@@ -175,7 +174,7 @@ int ls_main(int argc, char **argv)
  * 1. requires lstat (BSD) - how do you do it without?
  */
 
-#define FEATURE_USERNAME	/* show username/groupnames (libc6 uses NSS) */
+//#define FEATURE_USERNAME	/* show username/groupnames (libc6 uses NSS) */
 #define FEATURE_TIMESTAMPS	/* show file timestamps */
 #define FEATURE_AUTOWIDTH	/* calculate terminal & column widths */
 #define FEATURE_FILETYPECHAR	/* enable -p and -F */
@@ -187,8 +186,8 @@ int ls_main(int argc, char **argv)
 
 /************************************************************************/
 
-
+#include "internal.h"
-#if 1 /* FIXME libc 6 */
+#if !defined(__GLIBC__) && (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
 # include <linux/types.h> 
 #else
 # include <sys/types.h> 
@@ -225,7 +224,7 @@ int ls_main(int argc, char **argv)
 
 /* The 9 mode bits to test */
 
-static const umode_t MBIT[] = {
+static const mode_t MBIT[] = {
   S_IRUSR, S_IWUSR, S_IXUSR,
   S_IRGRP, S_IWGRP, S_IXGRP,
   S_IROTH, S_IWOTH, S_IXOTH
@@ -233,7 +232,7 @@ static const umode_t MBIT[] = {
 
 /* The special bits. If set, display SMODE0/1 instead of MODE0/1 */
 
-static const umode_t SBIT[] = {
+static const mode_t SBIT[] = {
   0, 0, S_ISUID,
   0, 0, S_ISGID,
   0, 0, S_ISVTX
@@ -278,7 +277,7 @@ static unsigned char time_fmt = TIME_MOD;
 
 static void writenum(long val, short minwidth)
 {
-	char	scratch[20];
+	char	scratch[128];
 
 	char *p = scratch + sizeof(scratch);
 	short len = 0;
@@ -324,7 +323,7 @@ static void tab(short col)
 }
 
 #ifdef FEATURE_FILETYPECHAR
-static char append_char(umode_t mode)
+static char append_char(mode_t mode)
 {
 	if (!(opts & DISP_FTYPE))
 		return '\0';
@@ -343,14 +342,14 @@ static char append_char(umode_t mode)
 
 static void list_single(const char *name, struct stat *info)
 {
-	char scratch[20];
+	char scratch[PATH_MAX];
 	short len = strlen(name);
 #ifdef FEATURE_FILETYPECHAR
 	char append = append_char(info->st_mode);
 #endif
 	
 	if (display_fmt == FMT_LONG) {
-		umode_t mode = info->st_mode; 
+		mode_t mode = info->st_mode; 
 		int i;
 		
 		scratch[0] = TYPECHAR(mode);

makedevs.c

@@ -15,7 +15,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 
-const char makedevs_usage[] = 
+static const char makedevs_usage[] = 
 "makedevs 0.01 -- Create an entire range of device files\n\n"
 "\tmakedevs /dev/ttyS c 4 64 0 63        (ttyS0-ttyS63)\n"
 "\tmakedevs /dev/hda b 3 0 0 8 s         (hda,hda1-hda8)\n";
@@ -45,8 +45,7 @@ char buf[255];
 		case 'f':
 			mode = S_IFIFO; break;
 		default:
-			fprintf(stderr, "Usage: %s\n", makedevs_usage);
+			usage( makedevs_usage);
-			return 2;
 	}       
 	mode |= 0660; 
 

math.c

@@ -6,7 +6,7 @@
 
 /* Tiny RPN calculator, because "expr" didn't give me bitwise operations. */
 
-const char			math_usage[] = "math expression ...";
+static const char math_usage[] = "math expression ...";
 
 static double		stack[100];
 static unsigned int	pointer;

miscutils/dutmp.c

@@ -14,12 +14,12 @@
 #include <stdio.h>
 #include <utmp.h>
 
-const char dutmp_usage[] = "dutmp\n"
+static const char dutmp_usage[] = "dutmp\n"
     "\n"
     "\tDump file or stdin utmp file format to stdout, pipe delimited.\n"
     "\tdutmp /var/run/utmp\n";
 
-extern int dutmp_fn (int argc, char **argv)
+static int dutmp_main (int argc, char **argv)
 {
 
     FILE *f = stdin;

miscutils/makedevs.c

@@ -15,7 +15,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 
-const char makedevs_usage[] = 
+static const char makedevs_usage[] = 
 "makedevs 0.01 -- Create an entire range of device files\n\n"
 "\tmakedevs /dev/ttyS c 4 64 0 63        (ttyS0-ttyS63)\n"
 "\tmakedevs /dev/hda b 3 0 0 8 s         (hda,hda1-hda8)\n";
@@ -45,8 +45,7 @@ char buf[255];
 		case 'f':
 			mode = S_IFIFO; break;
 		default:
-			fprintf(stderr, "Usage: %s\n", makedevs_usage);
+			usage( makedevs_usage);
-			return 2;
 	}       
 	mode |= 0660; 
 

miscutils/mt.c

@@ -3,7 +3,7 @@
 #include <sys/mtio.h>
 #include <sys/fcntl.h>
 
-const char	mt_usage[] = "mt [-f device] opcode value\n";
+static const char	mt_usage[] = "mt [-f device] opcode value\n";
 
 struct mt_opcodes {
 	char *	name;

mkdir.c

@@ -24,7 +24,7 @@
 #include <errno.h>
 #include <sys/param.h>
 
-const char mkdir_usage[] = "Usage: mkdir [OPTION] DIRECTORY...\n"
+static const char mkdir_usage[] = "Usage: mkdir [OPTION] DIRECTORY...\n"
 "Create the DIRECTORY(ies), if they do not already exist\n\n"
 "-m\tset permission mode (as in chmod), not rwxrwxrwx - umask\n"
 "-p\tno error if existing, make parent directories as needed\n";

mknod.c

@@ -6,7 +6,7 @@
 #include <fcntl.h>
 #include <unistd.h>
 
-const char mknod_usage[] = "mknod file b|c|u|p major minor\n"
+static const char mknod_usage[] = "mknod file b|c|u|p major minor\n"
 "\tMake special files.\n"
 "\n"
 "\tb:\tMake a block (buffered) device.\n"

mkswap.c

@@ -1,4 +1,3 @@
-#include "internal.h"
 /*
  * mkswap.c - set up a linux swap device
  *
@@ -9,51 +8,170 @@
 /*
  * 20.12.91  -	time began. Got VM working yesterday by doing this by hand.
  *
- * Usage: mkswap [-c] device [size-in-blocks]
+ * Usage: mkswap [-c] [-vN] [-f] device [size-in-blocks]
  *
- *	-c for readablility checking (use it unless you are SURE!)
+ *	-c   for readability checking. (Use it unless you are SURE!)
+ *	-vN  for swap areas version N. (Only N=0,1 known today.)
+ *      -f   for forcing swap creation even if it would smash partition table.
  *
- * The device may be a block device or a image of one, but this isn't
+ * The device may be a block device or an image of one, but this isn't
  * enforced (but it's not much fun on a character device :-).
  *
  * Patches from jaggy@purplet.demon.co.uk (Mike Jagdis) to make the
  * size-in-blocks parameter optional added Wed Feb  8 10:33:43 1995.
+ *
+ * Version 1 swap area code (for kernel 2.1.117), aeb, 981010.
+ *
+ * Sparc fixes, jj@ultra.linux.cz (Jakub Jelinek), 981201 - mangled by aeb.
+ * V1_MAX_PAGES fixes, jj, 990325.
+ *
+ * 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@misiek.eu.org>
+ * - added Native Language Support
+ *
+ *  from util-linux -- adapted for busybox by
+ *  Erik Andersen <andersee@debian.org>. I ripped out Native Language
+ *  Support, made some stuff smaller, and fitted for life in busybox.
+ *
  */
 
+#include "internal.h"
 #include <stdio.h>
 #include <unistd.h>
 #include <string.h>
 #include <fcntl.h>
 #include <stdlib.h>
+#include <sys/ioctl.h>		/* for _IO */
+#include <sys/utsname.h>
 #include <sys/stat.h>
-#include <sys/ioctl.h>
+#include <asm/page.h>		/* for PAGE_SIZE and PAGE_SHIFT */
+				/* we also get PAGE_SIZE via getpagesize() */
 
-#include <asm/page.h>
-#include <linux/fs.h>
 
-#ifndef __linux__
+static const char mkswap_usage[] = "mkswap [-c] [-v0|-v1] device [block-count]\n"
-# define volatile
+"Prepare a disk partition to be used as a swap partition.\n\n"
+"\t-c\tCheck for read-ability.\n"
+"\t-v0\tMake version 0 swap [max 128 Megs].\n"
+"\t-v1\tMake version 1 swap [big!] (default for kernels > 2.1.117).\n"
+"\tblock-count\tNumber of block to use (default is entire partition).\n";
+
+
+#ifndef _IO
+/* pre-1.3.45 */
+#define BLKGETSIZE 0x1260
+#else
+/* same on i386, m68k, arm; different on alpha, mips, sparc, ppc */
+#define BLKGETSIZE _IO(0x12,96)
 #endif
 
-#define TEST_BUFFER_PAGES 8
+static char * program_name = "mkswap";
-
+static char * device_name = NULL;
-const char	mkswap_usage[] = "mkswap [-c] partition [block-count]\n"
-"\n"
-"\tPrepare a disk partition to be used as a swap partition.\n"
-"\tThe default block count is the size of the entire partition.\n"
-"\n"
-"\t-c:\tCheck for read-ability.\n"
-"\tblock-count\tUse only this many blocks.\n";
-
-static const char * program_name = "mkswap";
-static const char * device_name = NULL;
 static int DEV = -1;
 static long PAGES = 0;
-static int do_check = 0;
+static int check = 0;
 static int badpages = 0;
+static int version = -1;
 
+#define MAKE_VERSION(p,q,r)	(65536*(p) + 256*(q) + (r))
 
-static long bit_test_and_set (unsigned int *addr, unsigned int nr)
+static int
+linux_version_code(void) {
+	struct utsname my_utsname;
+	int p, q, r;
+
+	if (uname(&my_utsname) == 0) {
+		p = atoi(strtok(my_utsname.release, "."));
+		q = atoi(strtok(NULL, "."));
+		r = atoi(strtok(NULL, "."));
+		return MAKE_VERSION(p,q,r);
+	}
+	return 0;
+}
+
+/*
+ * The definition of the union swap_header uses the constant PAGE_SIZE.
+ * Unfortunately, on some architectures this depends on the hardware model,
+ * and can only be found at run time -- we use getpagesize().
+ */
+
+static int pagesize;
+static int *signature_page;
+
+struct swap_header_v1 {
+        char         bootbits[1024];    /* Space for disklabel etc. */
+	unsigned int version;
+	unsigned int last_page;
+	unsigned int nr_badpages;
+	unsigned int padding[125];
+	unsigned int badpages[1];
+} *p;
+
+static void
+init_signature_page() {
+	pagesize = getpagesize();
+
+#ifdef PAGE_SIZE
+	if (pagesize != PAGE_SIZE)
+		fprintf(stderr, "Assuming pages of size %d\n", pagesize);
+#endif
+	signature_page = (int *) malloc(pagesize);
+	memset(signature_page,0,pagesize);
+	p = (struct swap_header_v1 *) signature_page;
+}
+
+static void
+write_signature(char *sig) {
+	char *sp = (char *) signature_page;
+
+	strncpy(sp+pagesize-10, sig, 10);
+}
+
+#define V0_MAX_PAGES	(8 * (pagesize - 10))
+/* Before 2.2.0pre9 */
+#define V1_OLD_MAX_PAGES	((0x7fffffff / pagesize) - 1)
+/* Since 2.2.0pre9:
+   error if nr of pages >= SWP_OFFSET(SWP_ENTRY(0,~0UL))
+   with variations on
+	#define SWP_ENTRY(type,offset) (((type) << 1) | ((offset) << 8))
+	#define SWP_OFFSET(entry) ((entry) >> 8)
+   on the various architectures. Below the result - yuk.
+
+   Machine	pagesize	SWP_ENTRY	SWP_OFFSET	bound+1	oldbound+2
+   i386		2^12		o<<8		e>>8		1<<24	1<<19
+   mips		2^12		o<<15		e>>15		1<<17	1<<19
+   alpha	2^13		o<<40		e>>40		1<<24	1<<18
+   m68k		2^12		o<<12		e>>12		1<<20	1<<19
+   sparc	2^{12,13}	(o&0x3ffff)<<9	(e>>9)&0x3ffff	1<<18	1<<{19,18}
+   sparc64	2^13		o<<13		e>>13		1<<51	1<<18
+   ppc		2^12		o<<8		e>>8		1<<24	1<<19
+   armo		2^{13,14,15}	o<<8		e>>8		1<<24	1<<{18,17,16}
+   armv		2^12		o<<9		e>>9		1<<23	1<<19
+
+   assuming that longs have 64 bits on alpha and sparc64 and 32 bits elsewhere.
+
+   The bad part is that we need to know this since the kernel will
+   refuse a swap space if it is too large.
+*/
+/* patch from jj - why does this differ from the above? */
+#if defined(__alpha__)
+#define V1_MAX_PAGES           ((1 << 24) - 1)
+#elif defined(__mips__)
+#define V1_MAX_PAGES           ((1 << 17) - 1)
+#elif defined(__sparc_v9__)
+#define V1_MAX_PAGES           ((3 << 29) - 1)
+#elif defined(__sparc__)
+#define V1_MAX_PAGES           (pagesize == 8192 ? ((3 << 29) - 1) : ((1 << 18) - 1))
+#else
+#define V1_MAX_PAGES           V1_OLD_MAX_PAGES
+#endif
+/* man page now says:
+The maximum useful size of a swap area now depends on the architecture.
+It is roughly 2GB on i386, PPC, m68k, ARM, 1GB on sparc, 512MB on mips,
+128GB on alpha and 3TB on sparc64.
+*/
+
+#define MAX_BADPAGES	((pagesize-1024-128*sizeof(int)-10)/sizeof(int))
+
+static void bit_set (unsigned int *addr, unsigned int nr)
 {
 	unsigned int r, m;
 
@@ -61,7 +179,6 @@ static long bit_test_and_set (unsigned int *addr, unsigned int nr)
 	r = *addr;
 	m = 1 << (nr & (8 * sizeof(int) - 1));
 	*addr = r | m;
-	return (r & m) != 0;
 }
 
 static int bit_test_and_clear (unsigned int *addr, unsigned int nr)
@@ -75,47 +192,59 @@ static int bit_test_and_clear (unsigned int *addr, unsigned int nr)
 	return (r & m) != 0;
 }
 
-/*
+
- * Volatile to let gcc know that this doesn't return. When trying
+void
- * to compile this under minix, volatile gives a warning, as
+die(const char *str) {
- * exit() isn't defined as volatile under minix.
+	fprintf(stderr, "%s: %s\n", program_name, str);
- */
+	exit( FALSE);
-volatile void fatal_error(const char * fmt_string)
-{
-	fprintf(stderr,fmt_string,program_name,device_name);
-	exit(FALSE);
 }
 
-#define die(str) fatal_error("%s: " str "\n")
+void
+page_ok(int page) {
+	if (version==0)
+		bit_set(signature_page, page);
+}
 
-static void check_blocks(int * signature_page)
+void
-{
+page_bad(int page) {
+	if (version == 0)
+		bit_test_and_clear(signature_page, page);
+	else {
+		if (badpages == MAX_BADPAGES)
+			die("too many bad pages");
+		p->badpages[badpages] = page;
+	}
+	badpages++;
+}
+
+void
+check_blocks(void) {
 	unsigned int current_page;
 	int do_seek = 1;
-	char buffer[PAGE_SIZE];
+	char *buffer;
 
+	buffer = malloc(pagesize);
+	if (!buffer)
+		die("Out of memory");
 	current_page = 0;
 	while (current_page < PAGES) {
-		if (!do_check) {
+		if (!check) {
-			bit_test_and_set(signature_page,current_page++);
+			page_ok(current_page++);
 			continue;
-		} else {
-			printf("\r%d", current_page);
 		}
-		if (do_seek && lseek(DEV,current_page*PAGE_SIZE,SEEK_SET) !=
+		if (do_seek && lseek(DEV,current_page*pagesize,SEEK_SET) !=
-		current_page*PAGE_SIZE)
+		    current_page*pagesize)
 			die("seek failed in check_blocks");
-		if ( (do_seek = (PAGE_SIZE != read(DEV, buffer, PAGE_SIZE))) ) {
+		if ((do_seek = (pagesize != read(DEV, buffer, pagesize)))) {
-			bit_test_and_clear(signature_page,current_page++);
+			page_bad(current_page++);
-			badpages++;
 			continue;
 		}
-		bit_test_and_set(signature_page,current_page++);
+		page_ok(current_page++);
 	}
-	if (do_check)
+	if (badpages == 1)
-		printf("\n");
+		printf("one bad page\n");
-	if (badpages)
+	else if (badpages > 1)
-		printf("%d bad page%s\n",badpages,(badpages>1)?"s":"");
+		printf("%d bad pages\n", badpages);
 }
 
 static long valid_offset (int fd, int offset)
@@ -129,12 +258,13 @@ static long valid_offset (int fd, int offset)
 	return 1;
 }
 
-static int count_blocks (int fd)
+static int
+find_size (int fd)
 {
-	int high, low;
+	unsigned int high, low;
 
 	low = 0;
-	for (high = 1; valid_offset (fd, high); high *= 2)
+	for (high = 1; high > 0 && valid_offset (fd, high); high *= 2)
 		low = high;
 	while (low < high - 1)
 	{
@@ -145,108 +275,194 @@ static int count_blocks (int fd)
 		else
 			high = mid;
 	}
-	valid_offset (fd, 0);
 	return (low + 1);
 }
 
-static int get_size(const char  *file)
+/* return size in pages, to avoid integer overflow */
+static long
+get_size(const char  *file)
 {
 	int	fd;
-	int	size;
+	long	size;
 
-	fd = open(file, O_RDWR);
+	fd = open(file, O_RDONLY);
 	if (fd < 0) {
 		perror(file);
 		exit(1);
 	}
 	if (ioctl(fd, BLKGETSIZE, &size) >= 0) {
-		close(fd);
+		int sectors_per_page = pagesize/512;
-		return (size * 512);
+		size /= sectors_per_page;
+	} else {
+		size = find_size(fd) / pagesize;
 	}
-		
-	size = count_blocks(fd);
 	close(fd);
 	return size;
 }
 
-int
-mkswap(const char *device_name, int pages, int check)
-  {
-	struct stat statbuf;
-	int goodpages;
-	int signature_page[PAGE_SIZE/sizeof(int)];
-
-	PAGES = pages;
-	do_check = check;
-
-	memset(signature_page,0,PAGE_SIZE);
-
-	if (device_name && !PAGES) {
-		PAGES = get_size(device_name) / PAGE_SIZE;
-	}
-	if (!device_name || PAGES<10) {
-		fprintf(stderr,
-			"%s: error: swap area needs to be at least %ldkB\n",
-			program_name, 10 * PAGE_SIZE / 1024);
-		/*		usage(mkswap_usage); */
-		exit(1);
-	}
-	if (PAGES > 8 * (PAGE_SIZE - 10)) {
-	        PAGES = 8 * (PAGE_SIZE - 10);
-		fprintf(stderr, "%s: warning: truncating swap area to %ldkB\n",
-			program_name, PAGES * PAGE_SIZE / 1024);
-	}
-	DEV = open(device_name,O_RDWR);
-	if (DEV < 0 || fstat(DEV, &statbuf) < 0) {
-		perror(device_name);
-		exit(1);
-	}
-	if (!S_ISBLK(statbuf.st_mode))
-		do_check=0;
-	else if (statbuf.st_rdev == 0x0300 || statbuf.st_rdev == 0x0340)
-		die("Will not try to make swapdevice on '%s'");
-	check_blocks(signature_page);
-	if (!bit_test_and_clear(signature_page,0))
-		die("fatal: first page unreadable");
-	goodpages = PAGES - badpages - 1;
-	if (goodpages <= 0)
-		die("Unable to set up swap-space: unreadable");
-	printf("Setting up swapspace, size = %ld bytes\n",goodpages*PAGE_SIZE);
-	strncpy((char*)signature_page+PAGE_SIZE-10,"SWAP-SPACE",10);
-	if (lseek(DEV, 0, SEEK_SET))
-		die("unable to rewind swap-device");
-	if (PAGE_SIZE != write(DEV, signature_page, PAGE_SIZE))
-		die("unable to write signature page");
-
-	close(DEV);
-	return (TRUE);
-}
-
 int mkswap_main(int argc, char ** argv)
 {
 	char * tmp;
-	long int pages=0;
+	struct stat statbuf;
-	int check=0;
+	int sz;
+	int maxpages;
+	int goodpages;
+	int offset;
+	int force = 0;
 
 	if (argc && *argv)
 		program_name = *argv;
-	while (argc > 1) {
+
+	init_signature_page();	/* get pagesize */
+
+	while (argc-- > 1) {
 		argv++;
-		argc--;
+		if (argv[0][0] != '-') {
-		if (argv[0][0] != '-')
 			if (device_name) {
-				pages = strtol(argv[0],&tmp,0)>>(PAGE_SHIFT-10);
+				int blocks_per_page = pagesize/1024;
-				if (*tmp) {
+				PAGES = strtol(argv[0],&tmp,0)/blocks_per_page;
-				    usage (mkswap_usage);
+				if (*tmp)
-				}
+					usage( mkswap_usage);
 			} else
 				device_name = argv[0];
-		else while (*++argv[0])
+		} else {
-			switch (argv[0][0]) {
+			switch (argv[0][1]) {
-				case 'c': check=1; break;
+				case 'c':
-				default: usage (mkswap_usage);
+					check=1;
-					exit( TRUE);
+					break;
+				case 'f':
+					force=1;
+					break;
+				case 'v':
+					version=atoi(argv[0]+2);
+					break;
+				default:
+					usage( mkswap_usage);
 			}
+		}
 	}
-	exit( mkswap(device_name, pages, check));
+	if (!device_name) {
+		fprintf(stderr,
+			"%s: error: Nowhere to set up swap on?\n",
+			program_name);
+		usage( mkswap_usage);
+	}
+	sz = get_size(device_name);
+	if (!PAGES) {
+		PAGES = sz;
+	} else if (PAGES > sz && !force) {
+		fprintf(stderr,
+			"%s: error: "
+			  "size %ld is larger than device size %d\n",
+			program_name,
+			PAGES*(pagesize/1024), sz*(pagesize/1024));
+		exit( FALSE);
+	}
+
+	if (version == -1) {
+		if (PAGES <= V0_MAX_PAGES)
+			version = 0;
+		else if (linux_version_code() < MAKE_VERSION(2,1,117))
+			version = 0;
+		else if (pagesize < 2048)
+			version = 0;
+		else
+			version = 1;
+	}
+	if (version != 0 && version != 1) {
+		fprintf(stderr, "%s: error: unknown version %d\n",
+			program_name, version);
+		usage( mkswap_usage);
+	}
+	if (PAGES < 10) {
+		fprintf(stderr,
+			"%s: error: swap area needs to be at least %ldkB\n",
+			program_name, (long)(10 * pagesize / 1024));
+		usage( mkswap_usage);
+	}
+#if 0
+	maxpages = ((version == 0) ? V0_MAX_PAGES : V1_MAX_PAGES);
+#else
+	if (!version)
+		maxpages = V0_MAX_PAGES;
+	else if (linux_version_code() >= MAKE_VERSION(2,2,1))
+		maxpages = V1_MAX_PAGES;
+	else {
+		maxpages = V1_OLD_MAX_PAGES;
+		if (maxpages > V1_MAX_PAGES)
+			maxpages = V1_MAX_PAGES;
+	}
+#endif
+	if (PAGES > maxpages) {
+		PAGES = maxpages;
+		fprintf(stderr, "%s: warning: truncating swap area to %ldkB\n",
+			program_name, PAGES * pagesize / 1024);
+	}
+
+	DEV = open(device_name,O_RDWR);
+	if (DEV < 0 || fstat(DEV, &statbuf) < 0) {
+		perror(device_name);
+		exit( FALSE);
+	}
+	if (!S_ISBLK(statbuf.st_mode))
+		check=0;
+	else if (statbuf.st_rdev == 0x0300 || statbuf.st_rdev == 0x0340)
+		die("Will not try to make swapdevice on '%s'");
+
+#ifdef __sparc__
+	if (!force && version == 0) {
+		/* Don't overwrite partition table unless forced */
+		unsigned char *buffer = (unsigned char *)signature_page;
+		unsigned short *q, sum;
+
+		if (read(DEV, buffer, 512) != 512)
+			die("fatal: first page unreadable");
+		if (buffer[508] == 0xDA && buffer[509] == 0xBE) {
+			q = (unsigned short *)(buffer + 510);
+			for (sum = 0; q >= (unsigned short *) buffer;)
+				sum ^= *q--;
+			if (!sum) {
+				fprintf(stderr, "\
+%s: Device '%s' contains a valid Sun disklabel.\n\
+This probably means creating v0 swap would destroy your partition table\n\
+No swap created. If you really want to create swap v0 on that device, use\n\
+the -f option to force it.\n",
+					program_name, device_name);
+				exit( FALSE);
+			}
+		}
+	}
+#endif
+
+	if (version == 0 || check)
+		check_blocks();
+	if (version == 0 && !bit_test_and_clear(signature_page,0))
+		die("fatal: first page unreadable");
+	if (version == 1) {
+		p->version = version;
+		p->last_page = PAGES-1;
+		p->nr_badpages = badpages;
+	}
+
+	goodpages = PAGES - badpages - 1;
+	if (goodpages <= 0)
+		die("Unable to set up swap-space: unreadable");
+	printf("Setting up swapspace version %d, size = %ld bytes\n",
+		version, (long)(goodpages*pagesize));
+	write_signature((version == 0) ? "SWAP-SPACE" : "SWAPSPACE2");
+
+	offset = ((version == 0) ? 0 : 1024);
+	if (lseek(DEV, offset, SEEK_SET) != offset)
+		die("unable to rewind swap-device");
+	if (write(DEV,(char*)signature_page+offset, pagesize-offset)
+	    != pagesize-offset)
+		die("unable to write signature page");
+
+	/*
+	 * A subsequent swapon() will fail if the signature
+	 * is not actually on disk. (This is a kernel bug.)
+	 */
+	if (fsync(DEV))
+		 die("fsync failed");
+	exit ( TRUE);
 }

mnc.c

@@ -39,7 +39,7 @@
 
 #define BUFSIZE 100
 
-const char mnc_usage[] = 
+static const char mnc_usage[] = 
 "mini-netcat 0.0.3 -- Open pipe to IP:port\n"
 "\tmnc [IP] [port]\n";
 

more.c

@@ -30,7 +30,7 @@
 #include <signal.h>
 
 
-const char more_usage[] = "[file ...]";
+static const char more_usage[] = "[file ...]";
 
 
 #ifdef BB_MORE_TERM

mount.c

@@ -37,7 +37,7 @@
 #include <ctype.h>
 #include <fstab.h>
 
-const char mount_usage[] = "Usage:\tmount [flags]\n"
+static const char mount_usage[] = "Usage:\tmount [flags]\n"
     "\tmount [flags] device directory [-o options,more-options]\n"
     "\n"
     "Flags:\n"

mt.c

@@ -3,7 +3,7 @@
 #include <sys/mtio.h>
 #include <sys/fcntl.h>
 
-const char	mt_usage[] = "mt [-f device] opcode value\n";
+static const char	mt_usage[] = "mt [-f device] opcode value\n";
 
 struct mt_opcodes {
 	char *	name;

printf.c

@@ -136,7 +136,7 @@ static void verify __P ((char *s, char *end));
 /* The value to return to the calling program.  */
 static int exit_status;
 
-const char	printf_usage[] = "printf format [argument...]\n";
+static const char	printf_usage[] = "printf format [argument...]\n";
 
 int
 printf_main(int argc, char** argv)

procps/kill.c

@@ -21,20 +21,20 @@ const struct signal_name signames[] = {
 #ifndef __alpha__
     {"IOT", SIGIOT},
 #endif
-#if defined(sparc) || defined(__alpha__)
+#if defined(__sparc__) || defined(__alpha__)
     {"EMT", SIGEMT},
 #else
     {"BUS", SIGBUS},
 #endif
     {"FPE", SIGFPE},
     {"KILL", SIGKILL},
-#if defined(sparc) || defined(__alpha__)
+#if defined(__sparc__) || defined(__alpha__)
     {"BUS", SIGBUS},
 #else
     {"USR1", SIGUSR1},
 #endif
     {"SEGV", SIGSEGV},
-#if defined(sparc) || defined(__alpha__)
+#if defined(__sparc__) || defined(__alpha__)
     {"SYS", SIGSYS},
 #else
     {"USR2", SIGUSR2},
@@ -42,7 +42,7 @@ const struct signal_name signames[] = {
     {"PIPE", SIGPIPE},
     {"ALRM", SIGALRM},
     {"TERM", SIGTERM},
-#if defined(sparc) || defined(__alpha__)
+#if defined(__sparc__) || defined(__alpha__)
     {"URG", SIGURG},
     {"STOP", SIGSTOP},
     {"TSTP", SIGTSTP},

tar.c

@@ -12,17 +12,6 @@
 
 
 #include "internal.h"
-
-#ifdef BB_TAR
-
-const char tar_usage[] =
-    "Create, extract, or list files from a TAR file\n\n"
-    "usage: tar -[cxtvOf] [tarFileName] [FILE] ...\n"
-    "\tc=create, x=extract, t=list contents, v=verbose,\n"
-    "\tO=extract to stdout, f=tarfile or \"-\" for stdin\n";
-
-
-
 #include <stdio.h>
 #include <dirent.h>
 #include <errno.h>
@@ -30,6 +19,15 @@ const char tar_usage[] =
 #include <signal.h>
 #include <time.h>
 
+
+static const char tar_usage[] =
+    "Create, extract, or list files from a TAR file\n\n"
+    "usage: tar -[cxtvOf] [tarFileName] [FILE] ...\n"
+    "\tc=create, x=extract, t=list contents, v=verbose,\n"
+    "\tO=extract to stdout, f=tarfile or \"-\" for stdin\n";
+
+
+
 /*
  * Tar file constants.
  */
@@ -1151,5 +1149,4 @@ wantFileName (const char *fileName, int fileCount, char **fileTable)
 
 
 
-#endif
 /* END CODE */

touch.c

@@ -28,7 +28,7 @@
 #include <errno.h>
 
 
-const char touch_usage[] = "touch [-c] file [file ...]\n\n"
+static const char touch_usage[] = "touch [-c] file [file ...]\n\n"
 "\tUpdate the last-modified date on the given file[s].\n";
 
 

umount.c

@@ -26,7 +26,7 @@
 #include <fstab.h>
 #include <errno.h>
 
-const char umount_usage[] = 
+static const char umount_usage[] = 
 "Usage: umount filesystem\n"
 "   or: umount directory\n"
 "   or: umount -a"

util-linux/dmesg.c

@@ -1,45 +1,49 @@
-#include "internal.h"
-#include <stdlib.h>
-#include <unistd.h>
-#include <time.h>
-
 /* dmesg.c -- Print out the contents of the kernel ring buffer
  * Created: Sat Oct  9 16:19:47 1993
  * Revised: Thu Oct 28 21:52:17 1993 by faith@cs.unc.edu
  * Copyright 1993 Theodore Ts'o (tytso@athena.mit.edu)
  * This program comes with ABSOLUTELY NO WARRANTY.
  * Modifications by Rick Sladkey (jrs@world.std.com)
- * from util-linux; adapted for busybox
+ * Larger buffersize 3 June 1998 by Nicolai Langfeldt, based on a patch
+ * by Peeter Joot.  This was also suggested by John Hudson.
+ * 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@misiek.eu.org>
+ * - added Native Language Support
+ *
+ * from util-linux -- adapted for busybox by 
+ * Erik Andersen <andersee@debian.org>. I ripped out Native Language 
+ * Support, replaced getopt, added some gotos for redundant stuff.
  */
 
+#include "internal.h"
 #include <linux/unistd.h>
 #include <stdio.h>
+#include <getopt.h>
+#include <stdlib.h>
 
-#define __NR_klog __NR_syslog
+#if __GNU_LIBRARY__ < 5
+
+#ifndef __alpha__
+# define __NR_klogctl __NR_syslog
+  static inline _syscall3(int, klogctl, int, type, char *, b, int, len);
+#else /* __alpha__ */
+#define klogctl syslog
+#endif
 
-#if defined(__GLIBC__)
-#include <sys/klog.h>
-#define klog klogctl
 #else
-static inline _syscall3 (int, klog, int, type, char *, b, int, len)
+# include <sys/klog.h>
-#endif				/* __GLIBC__ */
+#endif
 
+static const char dmesg_usage[] = "dmesg [-c] [-n level] [-s bufsize]\n";
 
-
+int dmesg_main( int argc, char** argv )
-static const char dmesg_usage[] = "dmesg [-c] [-n level]\n";
-
-int dmesg_main (int argc, char **argv)
 {
-
+   char *buf;
-    char buf[4096];
+   int	bufsize=8196;
-    int i;
+   int  i;
-    int n;
+   int  n;
-    int level = 0;
+   int  level = 0;
-    int lastc;
+   int  lastc;
-    int cmd = 3;
+   int  cmd = 3;
-
-    argc--;
-    argv++;
 
     /* Parse any options */
     while (argc && **argv == '-') {
@@ -56,43 +60,57 @@ int dmesg_main (int argc, char **argv)
 		--argc;
 		++argv;
 		break;
+	    case 's':
+		if (--argc == 0)
+		    goto end;
+		bufsize = atoi (*(++argv));
+		--argc;
+		++argv;
+		break;
 	    default:
 		goto end;
 	    }
     }
+   
+   if (argc > 1) {
+	goto end;
+   }
 
-    if (cmd == 8) {
+   if (cmd == 8) {
-	n = klog (cmd, NULL, level);
+      n = klogctl( cmd, NULL, level );
-	if (n < 0) {
+      if (n < 0) {
-	    perror ("klog");
+	  goto klogctl_error;
-	    exit (FALSE);
+      }
-	}
+      exit( TRUE );
-	exit (TRUE);
+   }
-    }
 
-    n = klog (cmd, buf, sizeof (buf));
+   if (bufsize < 4096) bufsize = 4096;
-    if (n < 0) {
+   buf = (char*)malloc(bufsize);
-	perror ("klog");
+   n = klogctl( cmd, buf, bufsize );
-	exit (FALSE);
+   if (n < 0) {
-    }
+       goto klogctl_error;
+   }
 
-    lastc = '\n';
+   lastc = '\n';
-    for (i = 0; i < n; i++) {
+   for (i = 0; i < n; i++) {
-	if ((i == 0 || buf[i - 1] == '\n') && buf[i] == '<') {
+      if ((i == 0 || buf[i - 1] == '\n') && buf[i] == '<') {
+	 i++;
+	 while (buf[i] >= '0' && buf[i] <= '9')
 	    i++;
-	    while (buf[i] >= '0' && buf[i] <= '9')
+	 if (buf[i] == '>')
-		i++;
+	    i++;
-	    if (buf[i] == '>')
+      }
-		i++;
+      lastc = buf[i];
-	}
+      putchar( lastc );
-	lastc = buf[i];
+   }
-	putchar (lastc);
+   if (lastc != '\n')
-    }
+      putchar( '\n' );
-    if (lastc != '\n')
+   exit( TRUE);
-	putchar ('\n');
+end:
-    exit (TRUE);
-
-  end:
     usage( dmesg_usage);
     exit (FALSE);
+klogctl_error:
+    perror( "klogctl" );
+    exit( FALSE );
+
 }

util-linux/mkswap.c

@@ -1,4 +1,3 @@
-#include "internal.h"
 /*
  * mkswap.c - set up a linux swap device
  *
@@ -9,51 +8,170 @@
 /*
  * 20.12.91  -	time began. Got VM working yesterday by doing this by hand.
  *
- * Usage: mkswap [-c] device [size-in-blocks]
+ * Usage: mkswap [-c] [-vN] [-f] device [size-in-blocks]
  *
- *	-c for readablility checking (use it unless you are SURE!)
+ *	-c   for readability checking. (Use it unless you are SURE!)
+ *	-vN  for swap areas version N. (Only N=0,1 known today.)
+ *      -f   for forcing swap creation even if it would smash partition table.
  *
- * The device may be a block device or a image of one, but this isn't
+ * The device may be a block device or an image of one, but this isn't
  * enforced (but it's not much fun on a character device :-).
  *
  * Patches from jaggy@purplet.demon.co.uk (Mike Jagdis) to make the
  * size-in-blocks parameter optional added Wed Feb  8 10:33:43 1995.
+ *
+ * Version 1 swap area code (for kernel 2.1.117), aeb, 981010.
+ *
+ * Sparc fixes, jj@ultra.linux.cz (Jakub Jelinek), 981201 - mangled by aeb.
+ * V1_MAX_PAGES fixes, jj, 990325.
+ *
+ * 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@misiek.eu.org>
+ * - added Native Language Support
+ *
+ *  from util-linux -- adapted for busybox by
+ *  Erik Andersen <andersee@debian.org>. I ripped out Native Language
+ *  Support, made some stuff smaller, and fitted for life in busybox.
+ *
  */
 
+#include "internal.h"
 #include <stdio.h>
 #include <unistd.h>
 #include <string.h>
 #include <fcntl.h>
 #include <stdlib.h>
+#include <sys/ioctl.h>		/* for _IO */
+#include <sys/utsname.h>
 #include <sys/stat.h>
-#include <sys/ioctl.h>
+#include <asm/page.h>		/* for PAGE_SIZE and PAGE_SHIFT */
+				/* we also get PAGE_SIZE via getpagesize() */
 
-#include <asm/page.h>
-#include <linux/fs.h>
 
-#ifndef __linux__
+static const char mkswap_usage[] = "mkswap [-c] [-v0|-v1] device [block-count]\n"
-# define volatile
+"Prepare a disk partition to be used as a swap partition.\n\n"
+"\t-c\tCheck for read-ability.\n"
+"\t-v0\tMake version 0 swap [max 128 Megs].\n"
+"\t-v1\tMake version 1 swap [big!] (default for kernels > 2.1.117).\n"
+"\tblock-count\tNumber of block to use (default is entire partition).\n";
+
+
+#ifndef _IO
+/* pre-1.3.45 */
+#define BLKGETSIZE 0x1260
+#else
+/* same on i386, m68k, arm; different on alpha, mips, sparc, ppc */
+#define BLKGETSIZE _IO(0x12,96)
 #endif
 
-#define TEST_BUFFER_PAGES 8
+static char * program_name = "mkswap";
-
+static char * device_name = NULL;
-const char	mkswap_usage[] = "mkswap [-c] partition [block-count]\n"
-"\n"
-"\tPrepare a disk partition to be used as a swap partition.\n"
-"\tThe default block count is the size of the entire partition.\n"
-"\n"
-"\t-c:\tCheck for read-ability.\n"
-"\tblock-count\tUse only this many blocks.\n";
-
-static const char * program_name = "mkswap";
-static const char * device_name = NULL;
 static int DEV = -1;
 static long PAGES = 0;
-static int do_check = 0;
+static int check = 0;
 static int badpages = 0;
+static int version = -1;
 
+#define MAKE_VERSION(p,q,r)	(65536*(p) + 256*(q) + (r))
 
-static long bit_test_and_set (unsigned int *addr, unsigned int nr)
+static int
+linux_version_code(void) {
+	struct utsname my_utsname;
+	int p, q, r;
+
+	if (uname(&my_utsname) == 0) {
+		p = atoi(strtok(my_utsname.release, "."));
+		q = atoi(strtok(NULL, "."));
+		r = atoi(strtok(NULL, "."));
+		return MAKE_VERSION(p,q,r);
+	}
+	return 0;
+}
+
+/*
+ * The definition of the union swap_header uses the constant PAGE_SIZE.
+ * Unfortunately, on some architectures this depends on the hardware model,
+ * and can only be found at run time -- we use getpagesize().
+ */
+
+static int pagesize;
+static int *signature_page;
+
+struct swap_header_v1 {
+        char         bootbits[1024];    /* Space for disklabel etc. */
+	unsigned int version;
+	unsigned int last_page;
+	unsigned int nr_badpages;
+	unsigned int padding[125];
+	unsigned int badpages[1];
+} *p;
+
+static void
+init_signature_page() {
+	pagesize = getpagesize();
+
+#ifdef PAGE_SIZE
+	if (pagesize != PAGE_SIZE)
+		fprintf(stderr, "Assuming pages of size %d\n", pagesize);
+#endif
+	signature_page = (int *) malloc(pagesize);
+	memset(signature_page,0,pagesize);
+	p = (struct swap_header_v1 *) signature_page;
+}
+
+static void
+write_signature(char *sig) {
+	char *sp = (char *) signature_page;
+
+	strncpy(sp+pagesize-10, sig, 10);
+}
+
+#define V0_MAX_PAGES	(8 * (pagesize - 10))
+/* Before 2.2.0pre9 */
+#define V1_OLD_MAX_PAGES	((0x7fffffff / pagesize) - 1)
+/* Since 2.2.0pre9:
+   error if nr of pages >= SWP_OFFSET(SWP_ENTRY(0,~0UL))
+   with variations on
+	#define SWP_ENTRY(type,offset) (((type) << 1) | ((offset) << 8))
+	#define SWP_OFFSET(entry) ((entry) >> 8)
+   on the various architectures. Below the result - yuk.
+
+   Machine	pagesize	SWP_ENTRY	SWP_OFFSET	bound+1	oldbound+2
+   i386		2^12		o<<8		e>>8		1<<24	1<<19
+   mips		2^12		o<<15		e>>15		1<<17	1<<19
+   alpha	2^13		o<<40		e>>40		1<<24	1<<18
+   m68k		2^12		o<<12		e>>12		1<<20	1<<19
+   sparc	2^{12,13}	(o&0x3ffff)<<9	(e>>9)&0x3ffff	1<<18	1<<{19,18}
+   sparc64	2^13		o<<13		e>>13		1<<51	1<<18
+   ppc		2^12		o<<8		e>>8		1<<24	1<<19
+   armo		2^{13,14,15}	o<<8		e>>8		1<<24	1<<{18,17,16}
+   armv		2^12		o<<9		e>>9		1<<23	1<<19
+
+   assuming that longs have 64 bits on alpha and sparc64 and 32 bits elsewhere.
+
+   The bad part is that we need to know this since the kernel will
+   refuse a swap space if it is too large.
+*/
+/* patch from jj - why does this differ from the above? */
+#if defined(__alpha__)
+#define V1_MAX_PAGES           ((1 << 24) - 1)
+#elif defined(__mips__)
+#define V1_MAX_PAGES           ((1 << 17) - 1)
+#elif defined(__sparc_v9__)
+#define V1_MAX_PAGES           ((3 << 29) - 1)
+#elif defined(__sparc__)
+#define V1_MAX_PAGES           (pagesize == 8192 ? ((3 << 29) - 1) : ((1 << 18) - 1))
+#else
+#define V1_MAX_PAGES           V1_OLD_MAX_PAGES
+#endif
+/* man page now says:
+The maximum useful size of a swap area now depends on the architecture.
+It is roughly 2GB on i386, PPC, m68k, ARM, 1GB on sparc, 512MB on mips,
+128GB on alpha and 3TB on sparc64.
+*/
+
+#define MAX_BADPAGES	((pagesize-1024-128*sizeof(int)-10)/sizeof(int))
+
+static void bit_set (unsigned int *addr, unsigned int nr)
 {
 	unsigned int r, m;
 
@@ -61,7 +179,6 @@ static long bit_test_and_set (unsigned int *addr, unsigned int nr)
 	r = *addr;
 	m = 1 << (nr & (8 * sizeof(int) - 1));
 	*addr = r | m;
-	return (r & m) != 0;
 }
 
 static int bit_test_and_clear (unsigned int *addr, unsigned int nr)
@@ -75,47 +192,59 @@ static int bit_test_and_clear (unsigned int *addr, unsigned int nr)
 	return (r & m) != 0;
 }
 
-/*
+
- * Volatile to let gcc know that this doesn't return. When trying
+void
- * to compile this under minix, volatile gives a warning, as
+die(const char *str) {
- * exit() isn't defined as volatile under minix.
+	fprintf(stderr, "%s: %s\n", program_name, str);
- */
+	exit( FALSE);
-volatile void fatal_error(const char * fmt_string)
-{
-	fprintf(stderr,fmt_string,program_name,device_name);
-	exit(FALSE);
 }
 
-#define die(str) fatal_error("%s: " str "\n")
+void
+page_ok(int page) {
+	if (version==0)
+		bit_set(signature_page, page);
+}
 
-static void check_blocks(int * signature_page)
+void
-{
+page_bad(int page) {
+	if (version == 0)
+		bit_test_and_clear(signature_page, page);
+	else {
+		if (badpages == MAX_BADPAGES)
+			die("too many bad pages");
+		p->badpages[badpages] = page;
+	}
+	badpages++;
+}
+
+void
+check_blocks(void) {
 	unsigned int current_page;
 	int do_seek = 1;
-	char buffer[PAGE_SIZE];
+	char *buffer;
 
+	buffer = malloc(pagesize);
+	if (!buffer)
+		die("Out of memory");
 	current_page = 0;
 	while (current_page < PAGES) {
-		if (!do_check) {
+		if (!check) {
-			bit_test_and_set(signature_page,current_page++);
+			page_ok(current_page++);
 			continue;
-		} else {
-			printf("\r%d", current_page);
 		}
-		if (do_seek && lseek(DEV,current_page*PAGE_SIZE,SEEK_SET) !=
+		if (do_seek && lseek(DEV,current_page*pagesize,SEEK_SET) !=
-		current_page*PAGE_SIZE)
+		    current_page*pagesize)
 			die("seek failed in check_blocks");
-		if ( (do_seek = (PAGE_SIZE != read(DEV, buffer, PAGE_SIZE))) ) {
+		if ((do_seek = (pagesize != read(DEV, buffer, pagesize)))) {
-			bit_test_and_clear(signature_page,current_page++);
+			page_bad(current_page++);
-			badpages++;
 			continue;
 		}
-		bit_test_and_set(signature_page,current_page++);
+		page_ok(current_page++);
 	}
-	if (do_check)
+	if (badpages == 1)
-		printf("\n");
+		printf("one bad page\n");
-	if (badpages)
+	else if (badpages > 1)
-		printf("%d bad page%s\n",badpages,(badpages>1)?"s":"");
+		printf("%d bad pages\n", badpages);
 }
 
 static long valid_offset (int fd, int offset)
@@ -129,12 +258,13 @@ static long valid_offset (int fd, int offset)
 	return 1;
 }
 
-static int count_blocks (int fd)
+static int
+find_size (int fd)
 {
-	int high, low;
+	unsigned int high, low;
 
 	low = 0;
-	for (high = 1; valid_offset (fd, high); high *= 2)
+	for (high = 1; high > 0 && valid_offset (fd, high); high *= 2)
 		low = high;
 	while (low < high - 1)
 	{
@@ -145,108 +275,194 @@ static int count_blocks (int fd)
 		else
 			high = mid;
 	}
-	valid_offset (fd, 0);
 	return (low + 1);
 }
 
-static int get_size(const char  *file)
+/* return size in pages, to avoid integer overflow */
+static long
+get_size(const char  *file)
 {
 	int	fd;
-	int	size;
+	long	size;
 
-	fd = open(file, O_RDWR);
+	fd = open(file, O_RDONLY);
 	if (fd < 0) {
 		perror(file);
 		exit(1);
 	}
 	if (ioctl(fd, BLKGETSIZE, &size) >= 0) {
-		close(fd);
+		int sectors_per_page = pagesize/512;
-		return (size * 512);
+		size /= sectors_per_page;
+	} else {
+		size = find_size(fd) / pagesize;
 	}
-		
-	size = count_blocks(fd);
 	close(fd);
 	return size;
 }
 
-int
-mkswap(const char *device_name, int pages, int check)
-  {
-	struct stat statbuf;
-	int goodpages;
-	int signature_page[PAGE_SIZE/sizeof(int)];
-
-	PAGES = pages;
-	do_check = check;
-
-	memset(signature_page,0,PAGE_SIZE);
-
-	if (device_name && !PAGES) {
-		PAGES = get_size(device_name) / PAGE_SIZE;
-	}
-	if (!device_name || PAGES<10) {
-		fprintf(stderr,
-			"%s: error: swap area needs to be at least %ldkB\n",
-			program_name, 10 * PAGE_SIZE / 1024);
-		/*		usage(mkswap_usage); */
-		exit(1);
-	}
-	if (PAGES > 8 * (PAGE_SIZE - 10)) {
-	        PAGES = 8 * (PAGE_SIZE - 10);
-		fprintf(stderr, "%s: warning: truncating swap area to %ldkB\n",
-			program_name, PAGES * PAGE_SIZE / 1024);
-	}
-	DEV = open(device_name,O_RDWR);
-	if (DEV < 0 || fstat(DEV, &statbuf) < 0) {
-		perror(device_name);
-		exit(1);
-	}
-	if (!S_ISBLK(statbuf.st_mode))
-		do_check=0;
-	else if (statbuf.st_rdev == 0x0300 || statbuf.st_rdev == 0x0340)
-		die("Will not try to make swapdevice on '%s'");
-	check_blocks(signature_page);
-	if (!bit_test_and_clear(signature_page,0))
-		die("fatal: first page unreadable");
-	goodpages = PAGES - badpages - 1;
-	if (goodpages <= 0)
-		die("Unable to set up swap-space: unreadable");
-	printf("Setting up swapspace, size = %ld bytes\n",goodpages*PAGE_SIZE);
-	strncpy((char*)signature_page+PAGE_SIZE-10,"SWAP-SPACE",10);
-	if (lseek(DEV, 0, SEEK_SET))
-		die("unable to rewind swap-device");
-	if (PAGE_SIZE != write(DEV, signature_page, PAGE_SIZE))
-		die("unable to write signature page");
-
-	close(DEV);
-	return (TRUE);
-}
-
 int mkswap_main(int argc, char ** argv)
 {
 	char * tmp;
-	long int pages=0;
+	struct stat statbuf;
-	int check=0;
+	int sz;
+	int maxpages;
+	int goodpages;
+	int offset;
+	int force = 0;
 
 	if (argc && *argv)
 		program_name = *argv;
-	while (argc > 1) {
+
+	init_signature_page();	/* get pagesize */
+
+	while (argc-- > 1) {
 		argv++;
-		argc--;
+		if (argv[0][0] != '-') {
-		if (argv[0][0] != '-')
 			if (device_name) {
-				pages = strtol(argv[0],&tmp,0)>>(PAGE_SHIFT-10);
+				int blocks_per_page = pagesize/1024;
-				if (*tmp) {
+				PAGES = strtol(argv[0],&tmp,0)/blocks_per_page;
-				    usage (mkswap_usage);
+				if (*tmp)
-				}
+					usage( mkswap_usage);
 			} else
 				device_name = argv[0];
-		else while (*++argv[0])
+		} else {
-			switch (argv[0][0]) {
+			switch (argv[0][1]) {
-				case 'c': check=1; break;
+				case 'c':
-				default: usage (mkswap_usage);
+					check=1;
-					exit( TRUE);
+					break;
+				case 'f':
+					force=1;
+					break;
+				case 'v':
+					version=atoi(argv[0]+2);
+					break;
+				default:
+					usage( mkswap_usage);
 			}
+		}
 	}
-	exit( mkswap(device_name, pages, check));
+	if (!device_name) {
+		fprintf(stderr,
+			"%s: error: Nowhere to set up swap on?\n",
+			program_name);
+		usage( mkswap_usage);
+	}
+	sz = get_size(device_name);
+	if (!PAGES) {
+		PAGES = sz;
+	} else if (PAGES > sz && !force) {
+		fprintf(stderr,
+			"%s: error: "
+			  "size %ld is larger than device size %d\n",
+			program_name,
+			PAGES*(pagesize/1024), sz*(pagesize/1024));
+		exit( FALSE);
+	}
+
+	if (version == -1) {
+		if (PAGES <= V0_MAX_PAGES)
+			version = 0;
+		else if (linux_version_code() < MAKE_VERSION(2,1,117))
+			version = 0;
+		else if (pagesize < 2048)
+			version = 0;
+		else
+			version = 1;
+	}
+	if (version != 0 && version != 1) {
+		fprintf(stderr, "%s: error: unknown version %d\n",
+			program_name, version);
+		usage( mkswap_usage);
+	}
+	if (PAGES < 10) {
+		fprintf(stderr,
+			"%s: error: swap area needs to be at least %ldkB\n",
+			program_name, (long)(10 * pagesize / 1024));
+		usage( mkswap_usage);
+	}
+#if 0
+	maxpages = ((version == 0) ? V0_MAX_PAGES : V1_MAX_PAGES);
+#else
+	if (!version)
+		maxpages = V0_MAX_PAGES;
+	else if (linux_version_code() >= MAKE_VERSION(2,2,1))
+		maxpages = V1_MAX_PAGES;
+	else {
+		maxpages = V1_OLD_MAX_PAGES;
+		if (maxpages > V1_MAX_PAGES)
+			maxpages = V1_MAX_PAGES;
+	}
+#endif
+	if (PAGES > maxpages) {
+		PAGES = maxpages;
+		fprintf(stderr, "%s: warning: truncating swap area to %ldkB\n",
+			program_name, PAGES * pagesize / 1024);
+	}
+
+	DEV = open(device_name,O_RDWR);
+	if (DEV < 0 || fstat(DEV, &statbuf) < 0) {
+		perror(device_name);
+		exit( FALSE);
+	}
+	if (!S_ISBLK(statbuf.st_mode))
+		check=0;
+	else if (statbuf.st_rdev == 0x0300 || statbuf.st_rdev == 0x0340)
+		die("Will not try to make swapdevice on '%s'");
+
+#ifdef __sparc__
+	if (!force && version == 0) {
+		/* Don't overwrite partition table unless forced */
+		unsigned char *buffer = (unsigned char *)signature_page;
+		unsigned short *q, sum;
+
+		if (read(DEV, buffer, 512) != 512)
+			die("fatal: first page unreadable");
+		if (buffer[508] == 0xDA && buffer[509] == 0xBE) {
+			q = (unsigned short *)(buffer + 510);
+			for (sum = 0; q >= (unsigned short *) buffer;)
+				sum ^= *q--;
+			if (!sum) {
+				fprintf(stderr, "\
+%s: Device '%s' contains a valid Sun disklabel.\n\
+This probably means creating v0 swap would destroy your partition table\n\
+No swap created. If you really want to create swap v0 on that device, use\n\
+the -f option to force it.\n",
+					program_name, device_name);
+				exit( FALSE);
+			}
+		}
+	}
+#endif
+
+	if (version == 0 || check)
+		check_blocks();
+	if (version == 0 && !bit_test_and_clear(signature_page,0))
+		die("fatal: first page unreadable");
+	if (version == 1) {
+		p->version = version;
+		p->last_page = PAGES-1;
+		p->nr_badpages = badpages;
+	}
+
+	goodpages = PAGES - badpages - 1;
+	if (goodpages <= 0)
+		die("Unable to set up swap-space: unreadable");
+	printf("Setting up swapspace version %d, size = %ld bytes\n",
+		version, (long)(goodpages*pagesize));
+	write_signature((version == 0) ? "SWAP-SPACE" : "SWAPSPACE2");
+
+	offset = ((version == 0) ? 0 : 1024);
+	if (lseek(DEV, offset, SEEK_SET) != offset)
+		die("unable to rewind swap-device");
+	if (write(DEV,(char*)signature_page+offset, pagesize-offset)
+	    != pagesize-offset)
+		die("unable to write signature page");
+
+	/*
+	 * A subsequent swapon() will fail if the signature
+	 * is not actually on disk. (This is a kernel bug.)
+	 */
+	if (fsync(DEV))
+		 die("fsync failed");
+	exit ( TRUE);
 }

util-linux/more.c

@@ -30,7 +30,7 @@
 #include <signal.h>
 
 
-const char more_usage[] = "[file ...]";
+static const char more_usage[] = "[file ...]";
 
 
 #ifdef BB_MORE_TERM

util-linux/mount.c

@@ -37,7 +37,7 @@
 #include <ctype.h>
 #include <fstab.h>
 
-const char mount_usage[] = "Usage:\tmount [flags]\n"
+static const char mount_usage[] = "Usage:\tmount [flags]\n"
     "\tmount [flags] device directory [-o options,more-options]\n"
     "\n"
     "Flags:\n"

util-linux/umount.c

@@ -26,7 +26,7 @@
 #include <fstab.h>
 #include <errno.h>
 
-const char umount_usage[] = 
+static const char umount_usage[] = 
 "Usage: umount filesystem\n"
 "   or: umount directory\n"
 "   or: umount -a"

zcat.c

@@ -4,7 +4,7 @@
 
 #include "internal.h"
 
-const char	zcat_usage[] = "zcat\n"
+static const char	zcat_usage[] = "zcat\n"
 "\n"
 "\tuncompress gzipped data from stdin to stdout\n";
 
@@ -59,7 +59,7 @@ static char  *license_msg[] = {
  */
 
 #ifdef RCSID
-static char rcsid[] = "$Id: zcat.c,v 1.2 1999/10/06 20:25:32 andersen Exp $";
+static char rcsid[] = "$Id: zcat.c,v 1.3 1999/10/19 20:03:34 andersen Exp $";
 #endif
 
 #include <ctype.h>
@@ -80,7 +80,7 @@ static char rcsid[] = "$Id: zcat.c,v 1.2 1999/10/06 20:25:32 andersen Exp $";
  * The target dependent functions should be defined in tailor.c.
  */
 
-/* $Id: zcat.c,v 1.2 1999/10/06 20:25:32 andersen Exp $ */
+/* $Id: zcat.c,v 1.3 1999/10/19 20:03:34 andersen Exp $ */
 
 #define RECORD_IO 0
 
@@ -436,7 +436,7 @@ extern int unlzw  OF((int in, int out));
 #  undef LZW
 #endif
 
-/* $Id: zcat.c,v 1.2 1999/10/06 20:25:32 andersen Exp $ */
+/* $Id: zcat.c,v 1.3 1999/10/19 20:03:34 andersen Exp $ */
 
 /* #include "getopt.h" */
 
@@ -895,7 +895,7 @@ RETSIGTYPE abort_gzip()
  */
 
 #ifdef RCSID
-static char rcsid[] = "$Id: zcat.c,v 1.2 1999/10/06 20:25:32 andersen Exp $";
+static char rcsid[] = "$Id: zcat.c,v 1.3 1999/10/19 20:03:34 andersen Exp $";
 #endif
 
 /* #include "crypt.h" */
@@ -1021,7 +1021,7 @@ int unzip(in, out)
  */
 
 #ifdef RCSID
-static char rcsid[] = "$Id: zcat.c,v 1.2 1999/10/06 20:25:32 andersen Exp $";
+static char rcsid[] = "$Id: zcat.c,v 1.3 1999/10/19 20:03:34 andersen Exp $";
 #endif
 
 #include <ctype.h>
@@ -1408,7 +1408,7 @@ ulg crc_32_tab[] = {
  */
 
 #ifdef RCSID
-static char rcsid[] = "$Id: zcat.c,v 1.2 1999/10/06 20:25:32 andersen Exp $";
+static char rcsid[] = "$Id: zcat.c,v 1.3 1999/10/19 20:03:34 andersen Exp $";
 #endif
 
 #include <sys/types.h>