*: whitespace fixes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

82 files changed, 185 insertions, 183 deletions

diff --git a/archival/dpkg.c b/archival/dpkg.c
index 07f0150..508b429 100644
--- a/archival/dpkg.c
+++ b/archival/dpkg.c
@@ -866,7 +866,7 @@ static void write_status_file(deb_file_t **deb_file)
 					write_flag = TRUE;
 					fputs("\n", new_status_file);
 				}
-				else if	(strcmp("config-files", name_hashtable[state_status]) == 0) {
+				else if (strcmp("config-files", name_hashtable[state_status]) == 0) {
 					/* only change the status line */
 					while (1) {
 						char *field_name;
diff --git a/archival/gzip.c b/archival/gzip.c
index 4d39906..80141f3 100644
--- a/archival/gzip.c
+++ b/archival/gzip.c
@@ -68,7 +68,7 @@ aa:      85.1% -- replaced with aa.gz
  */
 #define SMALL_MEM
 
-#ifndef	INBUFSIZ
+#ifndef INBUFSIZ
 #  ifdef SMALL_MEM
 #    define INBUFSIZ  0x2000	/* input buffer size */
 #  else
@@ -76,7 +76,7 @@ aa:      85.1% -- replaced with aa.gz
 #  endif
 #endif
 
-#ifndef	OUTBUFSIZ
+#ifndef OUTBUFSIZ
 #  ifdef SMALL_MEM
 #    define OUTBUFSIZ   8192	/* output buffer size */
 #  else
diff --git a/archival/libunarchive/decompress_uncompress.c b/archival/libunarchive/decompress_uncompress.c
index 1ff89ce..285b4ef 100644
--- a/archival/libunarchive/decompress_uncompress.c
+++ b/archival/libunarchive/decompress_uncompress.c
@@ -29,10 +29,10 @@
 
 
 /* Default input buffer size */
-#define	IBUFSIZ	2048
+#define IBUFSIZ 2048
 
 /* Default output buffer size */
-#define	OBUFSIZ	2048
+#define OBUFSIZ 2048
 
 /* Defines for third byte of header */
 #define BIT_MASK        0x1f    /* Mask for 'number of compresssion bits'       */
diff --git a/coreutils/env.c b/coreutils/env.c
index f50ee78..d64a714 100644
--- a/coreutils/env.c
+++ b/coreutils/env.c
@@ -3,7 +3,7 @@
  * env implementation for busybox
  *
  * Copyright (c) 1988, 1993, 1994
- *	The Regents of the University of California.  All rights reserved.
+ * The Regents of the University of California.  All rights reserved.
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  *
@@ -103,8 +103,8 @@ int env_main(int argc UNUSED_PARAM, char **argv)
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
- * 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change
- *		ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change>
+ * 3. BSD Advertising Clause omitted per the July 22, 1999 licensing change
+ *    ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
  *
  * 4. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
diff --git a/coreutils/md5_sha1_sum.c b/coreutils/md5_sha1_sum.c
index d3d294d..3b897c1 100644
--- a/coreutils/md5_sha1_sum.c
+++ b/coreutils/md5_sha1_sum.c
@@ -18,9 +18,9 @@ enum {
 	HASH_SHA512 = '5',
 };
 
-#define FLAG_SILENT	1
-#define FLAG_CHECK	2
-#define FLAG_WARN	4
+#define FLAG_SILENT  1
+#define FLAG_CHECK   2
+#define FLAG_WARN    4
 
 /* This might be useful elsewhere */
 static unsigned char *hash_bin_to_hex(unsigned char *hash_value,
diff --git a/coreutils/mkfifo.c b/coreutils/mkfifo.c
index 4388cca..d908ce4 100644
--- a/coreutils/mkfifo.c
+++ b/coreutils/mkfifo.c
@@ -30,7 +30,7 @@ int mkfifo_main(int argc UNUSED_PARAM, char **argv)
 
 	do {
 		if (mkfifo(*argv, mode) < 0) {
-			bb_simple_perror_msg(*argv);	/* Avoid multibyte problems. */
+			bb_simple_perror_msg(*argv);  /* Avoid multibyte problems. */
 			retval = EXIT_FAILURE;
 		}
 	} while (*++argv);
diff --git a/coreutils/od.c b/coreutils/od.c
index 30b5bd6..dcd6934 100644
--- a/coreutils/od.c
+++ b/coreutils/od.c
@@ -110,7 +110,7 @@ odoffset(dumper_t *dumper, int argc, char ***argvp)
 			 * the offset is changed as well.  This isn't pretty,
 			 * but it's easy.
 			 */
-#define	TYPE_OFFSET	7
+#define TYPE_OFFSET 7
 			{
 				char x_or_d;
 				if (base == 16) {
@@ -130,19 +130,19 @@ odoffset(dumper_t *dumper, int argc, char ***argvp)
 }
 
 static const char *const add_strings[] = {
-	"16/1 \"%3_u \" \"\\n\"",				/* a */
-	"8/2 \" %06o \" \"\\n\"",				/* B, o */
-	"16/1 \"%03o \" \"\\n\"",				/* b */
-	"16/1 \"%3_c \" \"\\n\"",				/* c */
-	"8/2 \"  %05u \" \"\\n\"",				/* d */
-	"4/4 \"     %010u \" \"\\n\"",			/* D */
-	"2/8 \"          %21.14e \" \"\\n\"",	/* e (undocumented in od), F */
-	"4/4 \" %14.7e \" \"\\n\"",				/* f */
-	"4/4 \"       %08x \" \"\\n\"",			/* H, X */
-	"8/2 \"   %04x \" \"\\n\"",				/* h, x */
-	"4/4 \"    %11d \" \"\\n\"",			/* I, L, l */
-	"8/2 \" %6d \" \"\\n\"",				/* i */
-	"4/4 \"    %011o \" \"\\n\"",			/* O */
+	"16/1 \"%3_u \" \"\\n\"",              /* a */
+	"8/2 \" %06o \" \"\\n\"",              /* B, o */
+	"16/1 \"%03o \" \"\\n\"",              /* b */
+	"16/1 \"%3_c \" \"\\n\"",              /* c */
+	"8/2 \"  %05u \" \"\\n\"",             /* d */
+	"4/4 \"     %010u \" \"\\n\"",         /* D */
+	"2/8 \"          %21.14e \" \"\\n\"",  /* e (undocumented in od), F */
+	"4/4 \" %14.7e \" \"\\n\"",            /* f */
+	"4/4 \"       %08x \" \"\\n\"",        /* H, X */
+	"8/2 \"   %04x \" \"\\n\"",            /* h, x */
+	"4/4 \"    %11d \" \"\\n\"",           /* I, L, l */
+	"8/2 \" %6d \" \"\\n\"",               /* i */
+	"4/4 \"    %011o \" \"\\n\"",          /* O */
 };
 
 static const char od_opts[] ALIGN1 = "aBbcDdeFfHhIiLlOoXxv";
diff --git a/coreutils/rmdir.c b/coreutils/rmdir.c
index 75bfc28..231793c 100644
--- a/coreutils/rmdir.c
+++ b/coreutils/rmdir.c
@@ -50,7 +50,7 @@ int rmdir_main(int argc UNUSED_PARAM, char **argv)
 				if ((flags & IGNORE_NON_EMPTY) && errno == ENOTEMPTY)
 					break;
 #endif
-				bb_perror_msg("'%s'", path);	/* Match gnu rmdir msg. */
+				bb_perror_msg("'%s'", path);  /* Match gnu rmdir msg. */
 				status = EXIT_FAILURE;
 			} else if (flags & PARENTS) {
 				/* Note: path was not "" since rmdir succeeded. */
diff --git a/coreutils/stat.c b/coreutils/stat.c
index d176d07..b4e6f10 100644
--- a/coreutils/stat.c
+++ b/coreutils/stat.c
@@ -469,7 +469,7 @@ static bool do_statfs(const char *filename, const char *format)
 	if (scontext)
 		freecon(scontext);
 # endif
-#endif	/* FEATURE_STAT_FORMAT */
+#endif  /* FEATURE_STAT_FORMAT */
 	return 1;
 }
 
@@ -635,7 +635,7 @@ static bool do_stat(const char *filename, const char *format)
 		       human_time(statbuf.st_mtime),
 		       human_time(statbuf.st_ctime));
 	}
-#endif	/* FEATURE_STAT_FORMAT */
+#endif  /* FEATURE_STAT_FORMAT */
 	return 1;
 }
 
diff --git a/coreutils/stty.c b/coreutils/stty.c
index 0cb4fb2..e28e15c 100644
--- a/coreutils/stty.c
+++ b/coreutils/stty.c
@@ -1110,16 +1110,16 @@ static void set_mode(const struct mode_info *info, int reversed,
 		if (reversed)
 			mode->c_cflag = (mode->c_cflag & ~PARENB & ~CSIZE) | CS8;
 		else
-			mode->c_cflag =	(mode->c_cflag & ~PARODD & ~CSIZE) | PARENB | CS7;
+			mode->c_cflag = (mode->c_cflag & ~PARODD & ~CSIZE) | PARENB | CS7;
 	} else if (info == &mode_info[IDX_oddp]) {
 		if (reversed)
 			mode->c_cflag = (mode->c_cflag & ~PARENB & ~CSIZE) | CS8;
 		else
-			mode->c_cflag =	(mode->c_cflag & ~CSIZE) | CS7 | PARODD | PARENB;
+			mode->c_cflag = (mode->c_cflag & ~CSIZE) | CS7 | PARODD | PARENB;
 	} else if (info == &mode_info[IDX_nl]) {
 		if (reversed) {
 			mode->c_iflag = (mode->c_iflag | ICRNL) & ~INLCR & ~IGNCR;
-			mode->c_oflag = (mode->c_oflag | ONLCR)	& ~OCRNL & ~ONLRET;
+			mode->c_oflag = (mode->c_oflag | ONLCR) & ~OCRNL & ~ONLRET;
 		} else {
 			mode->c_iflag = mode->c_iflag & ~ICRNL;
 			if (ONLCR) mode->c_oflag = mode->c_oflag & ~ONLCR;
diff --git a/coreutils/touch.c b/coreutils/touch.c
index 03aac3a..afff36b 100644
--- a/coreutils/touch.c
+++ b/coreutils/touch.c
@@ -97,7 +97,7 @@ int touch_main(int argc UNUSED_PARAM, char **argv)
 		parse_datestr(date_str, &tm_time);
 
 		/* Correct any day of week and day of year etc. fields */
-		tm_time.tm_isdst = -1;	/* Be sure to recheck dst */
+		tm_time.tm_isdst = -1;  /* Be sure to recheck dst */
 		t = validate_tm_time(date_str, &tm_time);
 
 		timebuf[1].tv_sec = timebuf[0].tv_sec = t;
diff --git a/coreutils/tty.c b/coreutils/tty.c
index 4891813..282d968 100644
--- a/coreutils/tty.c
+++ b/coreutils/tty.c
@@ -16,10 +16,10 @@ int tty_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int tty_main(int argc UNUSED_PARAM, char **argv)
 {
 	const char *s;
-	IF_INCLUDE_SUSv2(int silent;)	/* Note: No longer relevant in SUSv3. */
+	IF_INCLUDE_SUSv2(int silent;)  /* Note: No longer relevant in SUSv3. */
 	int retval;
 
-	xfunc_error_retval = 2;	/* SUSv3 requires > 1 for error. */
+	xfunc_error_retval = 2;  /* SUSv3 requires > 1 for error. */
 
 	IF_INCLUDE_SUSv2(silent = getopt32(argv, "s");)
 	IF_INCLUDE_SUSv2(argv += optind;)
diff --git a/coreutils/uniq.c b/coreutils/uniq.c
index 358de78..decf7e4 100644
--- a/coreutils/uniq.c
+++ b/coreutils/uniq.c
@@ -86,7 +86,7 @@ int uniq_main(int argc UNUSED_PARAM, char **argv)
 			}
 
 			free(cur_line);
-			++dups;	 /* testing for overflow seems excessive */
+			++dups;  /* testing for overflow seems excessive */
 		}
 
 		if (old_line) {
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/bitops.c b/e2fsprogs/old_e2fsprogs/ext2fs/bitops.c
index 3cf1579..3d08394 100644
--- a/e2fsprogs/old_e2fsprogs/ext2fs/bitops.c
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/bitops.c
@@ -65,7 +65,7 @@ int ext2fs_test_bit(unsigned int nr, const void * addr)
 	return (mask & *ADDR);
 }
 
-#endif	/* !_EXT2_HAVE_ASM_BITOPS_ */
+#endif  /* !_EXT2_HAVE_ASM_BITOPS_ */
 
 void ext2fs_warn_bitmap(errcode_t errcode, unsigned long arg,
 			const char *description)
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/flushb.c b/e2fsprogs/old_e2fsprogs/ext2fs/flushb.c
index e429826..45ed765 100644
--- a/e2fsprogs/old_e2fsprogs/ext2fs/flushb.c
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/flushb.c
@@ -23,7 +23,7 @@
 #endif
 #if HAVE_SYS_MOUNT_H
 #include <sys/param.h>
-#include <sys/mount.h>		/* This may define BLKFLSBUF */
+#include <sys/mount.h>  /* This may define BLKFLSBUF */
 #endif
 
 #include "ext2_fs.h"
@@ -38,10 +38,10 @@
  */
 #ifdef __linux__
 #ifndef BLKFLSBUF
-#define BLKFLSBUF	_IO(0x12,97)	/* flush buffer cache */
+#define BLKFLSBUF  _IO(0x12,97)  /* flush buffer cache */
 #endif
 #ifndef FDFLUSH
-#define FDFLUSH		_IO(2,0x4b)	/* flush floppy disk */
+#define FDFLUSH    _IO(2,0x4b)  /* flush floppy disk */
 #endif
 #endif
 
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/inline.c b/e2fsprogs/old_e2fsprogs/ext2fs/inline.c
index d328cc9..7457b93 100644
--- a/e2fsprogs/old_e2fsprogs/ext2fs/inline.c
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/inline.c
@@ -1,8 +1,8 @@
 /* vi: set sw=4 ts=4: */
 /*
  * inline.c --- Includes the inlined functions defined in the header
- *	files as standalone functions, in case the application program
- *	is compiled with inlining turned off.
+ * files as standalone functions, in case the application program
+ * is compiled with inlining turned off.
  *
  * Copyright (C) 1993, 1994 Theodore Ts'o.
  *
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/ismounted.c b/e2fsprogs/old_e2fsprogs/ext2fs/ismounted.c
index 7f24f9b..f5f6f31 100644
--- a/e2fsprogs/old_e2fsprogs/ext2fs/ismounted.c
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/ismounted.c
@@ -59,7 +59,7 @@ static errcode_t check_mntent_file(const char *mtab_file, const char *file,
 		if (S_ISBLK(st_buf.st_mode)) {
 #ifndef __GNU__ /* The GNU hurd is broken with respect to stat devices */
 			file_rdev = st_buf.st_rdev;
-#endif	/* __GNU__ */
+#endif  /* __GNU__ */
 		} else {
 			file_dev = st_buf.st_dev;
 			file_ino = st_buf.st_ino;
@@ -73,7 +73,7 @@ static errcode_t check_mntent_file(const char *mtab_file, const char *file,
 #ifndef __GNU__
 				if (file_rdev && (file_rdev == st_buf.st_rdev))
 					break;
-#endif	/* __GNU__ */
+#endif  /* __GNU__ */
 			} else {
 				if (file_dev && ((file_dev == st_buf.st_dev) &&
 						 (file_ino == st_buf.st_ino)))
@@ -99,7 +99,7 @@ static errcode_t check_mntent_file(const char *mtab_file, const char *file,
 				goto is_root;
 			}
 		}
-#endif	/* __GNU__ */
+#endif  /* __GNU__ */
 		goto errout;
 	}
 #ifndef __GNU__ /* The GNU hurd is deficient; what else is new? */
@@ -247,7 +247,7 @@ static int is_swap_device(const char *file)
 	if ((stat(file, &st_buf) == 0) &&
 	    S_ISBLK(st_buf.st_mode))
 		file_dev = st_buf.st_rdev;
-#endif	/* __GNU__ */
+#endif  /* __GNU__ */
 
 	if (!(f = fopen_for_read("/proc/swaps")))
 		return 0;
@@ -271,7 +271,7 @@ static int is_swap_device(const char *file)
 			ret++;
 			break;
 		}
-#endif	/* __GNU__ */
+#endif  /* __GNU__ */
 	}
 	fclose(f);
 	return ret;
diff --git a/e2fsprogs/old_e2fsprogs/lsattr.c b/e2fsprogs/old_e2fsprogs/lsattr.c
index 294bf2f..9e0e4cb 100644
--- a/e2fsprogs/old_e2fsprogs/lsattr.c
+++ b/e2fsprogs/old_e2fsprogs/lsattr.c
@@ -12,10 +12,10 @@
 
 /*
  * History:
- * 93/10/30	- Creation
- * 93/11/13	- Replace stat() calls by lstat() to avoid loops
- * 94/02/27	- Integrated in Ted's distribution
- * 98/12/29	- Display version info only when -V specified (G M Sipe)
+ * 93/10/30 - Creation
+ * 93/11/13 - Replace stat() calls by lstat() to avoid loops
+ * 94/02/27 - Integrated in Ted's distribution
+ * 98/12/29 - Display version info only when -V specified (G M Sipe)
  */
 
 #include <sys/types.h>
diff --git a/e2fsprogs/tune2fs.c b/e2fsprogs/tune2fs.c
index 75e4f6b..9daec54 100644
--- a/e2fsprogs/tune2fs.c
+++ b/e2fsprogs/tune2fs.c
@@ -43,7 +43,7 @@ do { \
 //usage:       "Adjust filesystem options on ext[23] filesystems"
 
 enum {
-	OPT_L = 1 << 0,	// label
+	OPT_L = 1 << 0, // label
 	OPT_c = 1 << 1, // max mount count
 	OPT_i = 1 << 2, // check interval
 };
diff --git a/include/dump.h b/include/dump.h
index 925270d..4c237ef 100644
--- a/include/dump.h
+++ b/include/dump.h
@@ -45,7 +45,7 @@ typedef struct FS {			/* format strings */
 typedef struct dumper_t {
 	off_t dump_skip;                /* bytes to skip */
 	int dump_length;                /* max bytes to read */
-	smallint dump_vflag; /*enum dump_vflag_t*/
+	smallint dump_vflag;            /*enum dump_vflag_t*/
 	FS *fshead;
 } dumper_t;
 
diff --git a/include/libbb.h b/include/libbb.h
index 587a5f9..7c1db3f 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -220,11 +220,11 @@ typedef unsigned long uoff_t;
 
 /* Macros for min/max.  */
 #ifndef MIN
-#define	MIN(a,b) (((a)<(b))?(a):(b))
+#define MIN(a,b) (((a)<(b))?(a):(b))
 #endif
 
 #ifndef MAX
-#define	MAX(a,b) (((a)>(b))?(a):(b))
+#define MAX(a,b) (((a)>(b))?(a):(b))
 #endif
 
 /* buffer allocation schemes */
diff --git a/include/platform.h b/include/platform.h
index 6563276..855cb28 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -4,7 +4,7 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-#ifndef	BB_PLATFORM_H
+#ifndef BB_PLATFORM_H
 #define BB_PLATFORM_H 1
 
 /* Assume all these functions exist by default.  Platforms where it is not
diff --git a/init/mesg.c b/init/mesg.c
index b560df2..b6fd070 100644
--- a/init/mesg.c
+++ b/init/mesg.c
@@ -28,9 +28,9 @@
 #include "libbb.h"
 
 #ifdef USE_TTY_GROUP
-#define S_IWGRP_OR_S_IWOTH	S_IWGRP
+#define S_IWGRP_OR_S_IWOTH  S_IWGRP
 #else
-#define S_IWGRP_OR_S_IWOTH	(S_IWGRP | S_IWOTH)
+#define S_IWGRP_OR_S_IWOTH  (S_IWGRP | S_IWOTH)
 #endif
 
 int mesg_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
diff --git a/libbb/dump.c b/libbb/dump.c
index 4db3f06..1b1d03a 100644
--- a/libbb/dump.c
+++ b/libbb/dump.c
@@ -4,7 +4,7 @@
  * based on code from util-linux v 2.11l
  *
  * Copyright (c) 1989
- *	The Regents of the University of California.  All rights reserved.
+ * The Regents of the University of California.  All rights reserved.
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  *
@@ -208,7 +208,7 @@ static NOINLINE void rewrite(priv_dumper_t *dumper, FS *fs)
 					pr->bcnt = fu->bcnt;
 				} else if (sokay == USEPREC) {
 					pr->bcnt = prec;
-				} else {	/* NOTOKAY */
+				} else {   /* NOTOKAY */
 					bb_error_msg_and_die("%%s requires a precision or a byte count");
 				}
 			} else if (*p1 == '_') {
@@ -467,7 +467,7 @@ static void bpad(PR *pr)
 
 static const char conv_str[] ALIGN1 =
 	"\0\\0\0"
-	"\007\\a\0"				/* \a */
+	"\007\\a\0"  /* \a */
 	"\b\\b\0"
 	"\f\\b\0"
 	"\n\\n\0"
diff --git a/libbb/full_write.c b/libbb/full_write.c
index a2abaee..777fbd9 100644
--- a/libbb/full_write.c
+++ b/libbb/full_write.c
@@ -30,7 +30,7 @@ ssize_t FAST_FUNC full_write(int fd, const void *buf, size_t len)
 				/* user can do another write to know the error code */
 				return total;
 			}
-			return cc;	/* write() returns -1 on failure. */
+			return cc;  /* write() returns -1 on failure. */
 		}
 
 		total += cc;
diff --git a/libbb/human_readable.c b/libbb/human_readable.c
index 50cbe41..8b22b0c 100644
--- a/libbb/human_readable.c
+++ b/libbb/human_readable.c
@@ -53,8 +53,8 @@ const char* FAST_FUNC make_human_readable_str(unsigned long long val,
 	u = unit_chars;
 
 	if (display_unit) {
-		val += display_unit/2;	/* Deal with rounding */
-		val /= display_unit;	/* Don't combine with the line above! */
+		val += display_unit/2;  /* Deal with rounding */
+		val /= display_unit;    /* Don't combine with the line above! */
 		/* will just print it as ulonglong (below) */
 	} else {
 		while ((val >= 1024)
diff --git a/libbb/inet_common.c b/libbb/inet_common.c
index e031ddf..6f585eb 100644
--- a/libbb/inet_common.c
+++ b/libbb/inet_common.c
@@ -218,4 +218,4 @@ char* FAST_FUNC INET6_rresolve(struct sockaddr_in6 *sin6, int numeric)
 	return xstrdup(name);
 }
 
-#endif		/* CONFIG_FEATURE_IPV6 */
+#endif  /* CONFIG_FEATURE_IPV6 */
diff --git a/libbb/inode_hash.c b/libbb/inode_hash.c
index 2aea08b..715535e 100644
--- a/libbb/inode_hash.c
+++ b/libbb/inode_hash.c
@@ -17,8 +17,8 @@ typedef struct ino_dev_hash_bucket_struct {
 	char name[1];
 } ino_dev_hashtable_bucket_t;
 
-#define HASH_SIZE	311		/* Should be prime */
-#define hash_inode(i)	((i) % HASH_SIZE)
+#define HASH_SIZE      311   /* Should be prime */
+#define hash_inode(i)  ((i) % HASH_SIZE)
 
 /* array of [HASH_SIZE] elements */
 static ino_dev_hashtable_bucket_t **ino_dev_hashtable;
diff --git a/libbb/login.c b/libbb/login.c
index aa2e171..8a82c6a 100644
--- a/libbb/login.c
+++ b/libbb/login.c
@@ -30,7 +30,7 @@ void FAST_FUNC print_login_issue(const char *issue_file, const char *tty)
 	time(&t);
 	uname(&uts);
 
-	puts("\r");	/* start a new line */
+	puts("\r");  /* start a new line */
 
 	fp = fopen_for_read(issue_file);
 	if (!fp)
diff --git a/libbb/make_directory.c b/libbb/make_directory.c
index 1350e8b..72303e7 100644
--- a/libbb/make_directory.c
+++ b/libbb/make_directory.c
@@ -44,7 +44,7 @@ int FAST_FUNC bb_make_directory(char *path, long mode, int flags)
 	while (1) {
 		c = '\0';
 
-		if (flags & FILEUTILS_RECUR) {	/* Get the parent */
+		if (flags & FILEUTILS_RECUR) {  /* Get the parent */
 			/* Bypass leading non-'/'s and then subsequent '/'s */
 			while (*s) {
 				if (*s == '/') {
diff --git a/libbb/parse_config.c b/libbb/parse_config.c
index 9dbfaf5..d471edb 100644
--- a/libbb/parse_config.c
+++ b/libbb/parse_config.c
@@ -45,7 +45,7 @@ int parse_main(int argc UNUSED_PARAM, char **argv)
 Typical usage:
 
 ----- CUT -----
-	char *t[3];	// tokens placeholder
+	char *t[3];  // tokens placeholder
 	parser_t *p = config_open(filename);
 	if (p) {
 		// parse line-by-line
diff --git a/libbb/parse_mode.c b/libbb/parse_mode.c
index 8ea8916..5a4e1c5 100644
--- a/libbb/parse_mode.c
+++ b/libbb/parse_mode.c
@@ -57,8 +57,8 @@ int FAST_FUNC bb_parse_mode(const char *s, mode_t *current_mode)
 	/* Note: we allow empty clauses, and hence empty modes.
 	 * We treat an empty mode as no change to perms. */
 
-	while (*s) {	/* Process clauses. */
-		if (*s == ',') {	/* We allow empty clauses. */
+	while (*s) {  /* Process clauses. */
+		if (*s == ',') {  /* We allow empty clauses. */
 			++s;
 			continue;
 		}
@@ -77,7 +77,7 @@ int FAST_FUNC bb_parse_mode(const char *s, mode_t *current_mode)
 			}
 		} while (*++p);
 
-		do {	/* Process action list. */
+		do {    /* Process action list. */
 			if ((*s != '+') && (*s != '-')) {
 				if (*s != '=') {
 					return 0;
@@ -93,7 +93,7 @@ int FAST_FUNC bb_parse_mode(const char *s, mode_t *current_mode)
 			op = *s++;
 
 			/* Check for permcopy. */
-			p = who_chars + 1;	/* Skip 'a' entry. */
+			p = who_chars + 1;  /* Skip 'a' entry. */
 			do {
 				if (*p == *s) {
 					int i = 0;
@@ -128,7 +128,7 @@ int FAST_FUNC bb_parse_mode(const char *s, mode_t *current_mode)
 				}
 			} while (*++p);
  GOT_ACTION:
-			if (permlist) {	/* The permlist was nonempty. */
+			if (permlist) { /* The permlist was nonempty. */
 				mode_t tmp = wholist;
 				if (!wholist) {
 					mode_t u_mask = umask(0);
diff --git a/libbb/progress.c b/libbb/progress.c
index f532713..4c2763c 100644
--- a/libbb/progress.c
+++ b/libbb/progress.c
@@ -7,7 +7,7 @@
  */
 /*-
  * Copyright (c) 1992, 1993
- *	The Regents of the University of California.  All rights reserved.
+ * The Regents of the University of California.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -18,8 +18,8 @@
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
- * 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change
- *		ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change>
+ * 3. BSD Advertising Clause omitted per the July 22, 1999 licensing change
+ *    ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
  *
  * 4. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
diff --git a/libbb/speed_table.c b/libbb/speed_table.c
index 6f95c54..45159f1 100644
--- a/libbb/speed_table.c
+++ b/libbb/speed_table.c
@@ -29,12 +29,12 @@ static const struct speed_map speeds[] = {
 	{B2400, 2400},
 	{B4800, 4800},
 	{B9600, 9600},
-#ifdef	B19200
+#ifdef B19200
 	{B19200, 19200},
 #elif defined(EXTA)
 	{EXTA, 19200},
 #endif
-#ifdef	B38400
+#ifdef B38400
 	{B38400, 38400/256 + 0x8000U},
 #elif defined(EXTB)
 	{EXTB, 38400/256 + 0x8000U},
diff --git a/libbb/update_passwd.c b/libbb/update_passwd.c
index a2be0f1..dc50292 100644
--- a/libbb/update_passwd.c
+++ b/libbb/update_passwd.c
@@ -22,7 +22,7 @@ static void check_selinux_update_passwd(const char *username)
 	char *seuser;
 
 	if (getuid() != (uid_t)0 || is_selinux_enabled() == 0)
-		return;		/* No need to check */
+		return;  /* No need to check */
 
 	if (getprevcon_raw(&context) < 0)
 		bb_perror_msg_and_die("getprevcon failed");
diff --git a/libbb/wfopen_input.c b/libbb/wfopen_input.c
index 422a58e..d8b1c4a 100644
--- a/libbb/wfopen_input.c
+++ b/libbb/wfopen_input.c
@@ -31,7 +31,7 @@ FILE* FAST_FUNC xfopen_stdin(const char *filename)
 	FILE *fp = fopen_or_warn_stdin(filename);
 	if (fp)
 		return fp;
-	xfunc_die();	/* We already output an error message. */
+	xfunc_die();  /* We already output an error message. */
 }
 
 int FAST_FUNC open_or_warn_stdin(const char *filename)
@@ -52,5 +52,5 @@ int FAST_FUNC xopen_stdin(const char *filename)
 	int fd = open_or_warn_stdin(filename);
 	if (fd >= 0)
 		return fd;
-	xfunc_die();	/* We already output an error message. */
+	xfunc_die();  /* We already output an error message. */
 }
diff --git a/libbb/xatonum_template.c b/libbb/xatonum_template.c
index f67b507..029f662 100644
--- a/libbb/xatonum_template.c
+++ b/libbb/xatonum_template.c
@@ -41,7 +41,7 @@ unsigned type FAST_FUNC xstrtou(_range_sfx)(const char *numstr, int base,
 	if (errno || numstr == e)
 		goto inval; /* error / no digits / illegal trailing chars */
 
-	errno = old_errno;	/* Ok.  So restore errno. */
+	errno = old_errno;  /* Ok.  So restore errno. */
 
 	/* Do optional suffix parsing.  Allow 'empty' suffix tables.
 	 * Note that we also allow nul suffixes with associated multipliers,
diff --git a/libbb/xgetcwd.c b/libbb/xgetcwd.c
index 9736721..71720d3 100644
--- a/libbb/xgetcwd.c
+++ b/libbb/xgetcwd.c
@@ -24,7 +24,7 @@ xrealloc_getcwd_or_warn(char *cwd)
 	char *ret;
 	unsigned path_max;
 
-	path_max = 128;	/* 128 + 64 should be enough for 99% of cases */
+	path_max = 128; /* 128 + 64 should be enough for 99% of cases */
 
 	while (1) {
 		path_max += PATH_INCR;
diff --git a/libpwdgrp/pwd_grp.c b/libpwdgrp/pwd_grp.c
index 06f3607..abb6f18 100644
--- a/libpwdgrp/pwd_grp.c
+++ b/libpwdgrp/pwd_grp.c
@@ -21,13 +21,13 @@
 #include <assert.h>
 
 #ifndef _PATH_SHADOW
-#define	_PATH_SHADOW	"/etc/shadow"
+#define _PATH_SHADOW	"/etc/shadow"
 #endif
 #ifndef _PATH_PASSWD
-#define	_PATH_PASSWD	"/etc/passwd"
+#define _PATH_PASSWD	"/etc/passwd"
 #endif
 #ifndef _PATH_GROUP
-#define	_PATH_GROUP	"/etc/group"
+#define _PATH_GROUP	"/etc/group"
 #endif
 
 /**********************************************************************/
diff --git a/loginutils/chpasswd.c b/loginutils/chpasswd.c
index 101920c..48cf9b1 100644
--- a/loginutils/chpasswd.c
+++ b/loginutils/chpasswd.c
@@ -14,8 +14,8 @@ static const char chpasswd_longopts[] ALIGN1 =
 	;
 #endif
 
-#define OPT_ENC		1
-#define OPT_MD5		2
+#define OPT_ENC  1
+#define OPT_MD5  2
 
 int chpasswd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int chpasswd_main(int argc UNUSED_PARAM, char **argv)
diff --git a/loginutils/cryptpw.c b/loginutils/cryptpw.c
index f32cbce..6c801f9 100644
--- a/loginutils/cryptpw.c
+++ b/loginutils/cryptpw.c
@@ -104,7 +104,7 @@ int cryptpw_main(int argc UNUSED_PARAM, char **argv)
 	xmove_fd(fd, STDIN_FILENO);
 
 	puts(pw_encrypt(
-		argv[0]	? argv[0] : (
+		argv[0] ? argv[0] : (
 			/* Only mkpasswd, and only from tty, prompts.
 			 * Otherwise it is a plain read. */
 			(isatty(STDIN_FILENO) && applet_name[0] == 'm')
diff --git a/loginutils/getty.c b/loginutils/getty.c
index ab55ea4..76b0de4 100644
--- a/loginutils/getty.c
+++ b/loginutils/getty.c
@@ -387,7 +387,7 @@ static char *get_logname(char *logname, unsigned size_logname,
 		struct options *op, struct chardata *cp)
 {
 	char *bp;
-	char c;				/* input character, full eight bits */
+	char c;                         /* input character, full eight bits */
 	char ascval;                    /* low 7 bits of input character */
 	int bits;                       /* # of "1" bits per character */
 	int mask;                       /* mask with 1 bit up */
@@ -580,7 +580,7 @@ int getty_main(int argc UNUSED_PARAM, char **argv)
 	chardata = init_chardata;
 
 	memset(&options, 0, sizeof(options));
-	options.login =	_PATH_LOGIN;    /* default login program */
+	options.login = _PATH_LOGIN;    /* default login program */
 	options.tty = "tty1";           /* default tty line */
 	options.initstring = "";        /* modem init string */
 #ifdef ISSUE
diff --git a/loginutils/login.c b/loginutils/login.c
index 3065eaa..9a624df 100644
--- a/loginutils/login.c
+++ b/loginutils/login.c
@@ -124,7 +124,7 @@ static void run_login_script(struct passwd *pw, char *full_tty)
 		xsetenv("LOGIN_UID", utoa(pw->pw_uid));
 		xsetenv("LOGIN_GID", utoa(pw->pw_gid));
 		xsetenv("LOGIN_SHELL", pw->pw_shell);
-		spawn_and_wait(t_argv);	/* NOMMU-friendly */
+		spawn_and_wait(t_argv); /* NOMMU-friendly */
 		unsetenv("LOGIN_TTY");
 		unsetenv("LOGIN_USER");
 		unsetenv("LOGIN_UID");
@@ -245,7 +245,7 @@ int login_main(int argc UNUSED_PARAM, char **argv)
 
 	/* Let's find out and memorize our tty */
 	if (!isatty(STDIN_FILENO) || !isatty(STDOUT_FILENO) || !isatty(STDERR_FILENO))
-		return EXIT_FAILURE;		/* Must be a terminal */
+		return EXIT_FAILURE;  /* Must be a terminal */
 	full_tty = xmalloc_ttyname(STDIN_FILENO);
 	if (!full_tty)
 		full_tty = xstrdup("UNKNOWN");
diff --git a/miscutils/chat.c b/miscutils/chat.c
index 2040c3f..8b151fd 100644
--- a/miscutils/chat.c
+++ b/miscutils/chat.c
@@ -10,7 +10,7 @@
 #include "libbb.h"
 
 // default timeout: 45 sec
-#define	DEFAULT_CHAT_TIMEOUT 45*1000
+#define DEFAULT_CHAT_TIMEOUT 45*1000
 // max length of "abort string",
 // i.e. device reply which causes termination
 #define MAX_ABORT_LEN 50
diff --git a/miscutils/crond.c b/miscutils/crond.c
index 7f2d54c..5bf0536 100644
--- a/miscutils/crond.c
+++ b/miscutils/crond.c
@@ -35,7 +35,7 @@
 # define CRONUPDATE     "cron.update"
 #endif
 #ifndef MAXLINES
-# define MAXLINES       256	/* max lines in non-root crontabs */
+# define MAXLINES       256  /* max lines in non-root crontabs */
 #endif
 
 
@@ -170,7 +170,7 @@ static void ParseField(char *user, char *ary, int modvalue, int off,
 
 		/* Handle numeric digit or symbol or '*' */
 		if (*ptr == '*') {
-			n1 = 0;		/* everything will be filled */
+			n1 = 0;  /* everything will be filled */
 			n2 = modvalue - 1;
 			skip = 1;
 			++ptr;
diff --git a/miscutils/devfsd.c b/miscutils/devfsd.c
index 8f19288..35e4319 100644
--- a/miscutils/devfsd.c
+++ b/miscutils/devfsd.c
@@ -75,7 +75,7 @@
 
 /* Various defines taken from linux/devfs_fs.h */
 #define DEVFSD_PROTOCOL_REVISION_KERNEL  5
-#define	DEVFSD_IOCTL_BASE	'd'
+#define DEVFSD_IOCTL_BASE	'd'
 /*  These are the various ioctls  */
 #define DEVFSDIOC_GET_PROTO_REV         _IOR(DEVFSD_IOCTL_BASE, 0, int)
 #define DEVFSDIOC_SET_EVENT_MASK        _IOW(DEVFSD_IOCTL_BASE, 2, int)
diff --git a/miscutils/flash_eraseall.c b/miscutils/flash_eraseall.c
index b832cc1..68596e1 100644
--- a/miscutils/flash_eraseall.c
+++ b/miscutils/flash_eraseall.c
@@ -14,10 +14,10 @@
 #include <mtd/mtd-user.h>
 #include <linux/jffs2.h>
 
-#define OPTION_J	(1 << 0)
-#define OPTION_Q	(1 << 1)
-#define IS_NAND		(1 << 2)
-#define BBTEST		(1 << 3)
+#define OPTION_J  (1 << 0)
+#define OPTION_Q  (1 << 1)
+#define IS_NAND   (1 << 2)
+#define BBTEST    (1 << 3)
 
 /* mtd/jffs2-user.h used to have this atrocity:
 extern int target_endian;
diff --git a/miscutils/hdparm.c b/miscutils/hdparm.c
index d946c71..38b265d 100644
--- a/miscutils/hdparm.c
+++ b/miscutils/hdparm.c
@@ -1745,7 +1745,7 @@ static void process_dev(char *devname)
 		if (-1 == read(fd, buf, sizeof(buf)))
 			bb_perror_msg("read of 512 bytes failed");
 	}
-#endif	/* HDIO_DRIVE_CMD */
+#endif  /* HDIO_DRIVE_CMD */
 	if (getset_mult || get_identity) {
 		multcount = -1;
 		if (ioctl(fd, HDIO_GET_MULTCOUNT, &multcount)) {
diff --git a/miscutils/last.c b/miscutils/last.c
index 888a0a3..fec5b70 100644
--- a/miscutils/last.c
+++ b/miscutils/last.c
@@ -46,14 +46,14 @@ int last_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
 	static const char _ut_lin[] ALIGN1 =
 			"~\0" "{\0" "|\0" /* "LOGIN\0" "date\0" */;
 	enum {
-		TYPE_RUN_LVL = RUN_LVL,		/* 1 */
-		TYPE_BOOT_TIME = BOOT_TIME,	/* 2 */
+		TYPE_RUN_LVL = RUN_LVL,         /* 1 */
+		TYPE_BOOT_TIME = BOOT_TIME,     /* 2 */
 		TYPE_SHUTDOWN_TIME = SHUTDOWN_TIME
 	};
 	enum {
-		_TILDE = EMPTY,				/* 0 */
-		TYPE_NEW_TIME,	/* NEW_TIME, 3 */
-		TYPE_OLD_TIME	/* OLD_TIME, 4 */
+		_TILDE = EMPTY, /* 0 */
+		TYPE_NEW_TIME,  /* NEW_TIME, 3 */
+		TYPE_OLD_TIME   /* OLD_TIME, 4 */
 	};
 
 	if (argv[1]) {
diff --git a/miscutils/less.c b/miscutils/less.c
index d737e4c..500059d 100644
--- a/miscutils/less.c
+++ b/miscutils/less.c
@@ -21,7 +21,7 @@
  *   redirected input has been read from stdin
  */
 
-#include <sched.h>	/* sched_yield() */
+#include <sched.h>  /* sched_yield() */
 
 #include "libbb.h"
 #if ENABLE_FEATURE_LESS_REGEXP
@@ -477,7 +477,7 @@ static void m_status_print(void)
 {
 	int percentage;
 
-	if (less_gets_pos >= 0)	/* don't touch statusline while input is done! */
+	if (less_gets_pos >= 0) /* don't touch statusline while input is done! */
 		return;
 
 	clear_line();
@@ -503,7 +503,7 @@ static void status_print(void)
 {
 	const char *p;
 
-	if (less_gets_pos >= 0)	/* don't touch statusline while input is done! */
+	if (less_gets_pos >= 0) /* don't touch statusline while input is done! */
 		return;
 
 	/* Change the status if flags have been set */
diff --git a/miscutils/makedevs.c b/miscutils/makedevs.c
index bba7fa6..e74c47c 100644
--- a/miscutils/makedevs.c
+++ b/miscutils/makedevs.c
@@ -121,7 +121,7 @@ int makedevs_main(int argc UNUSED_PARAM, char **argv)
 
 		if ((2 > sscanf(line, "%40s %c %o %40s %40s %u %u %u %u %u",
 					name, &type, &mode, user, group,
-					&major,	&minor, &start, &increment, &count))
+					&major, &minor, &start, &increment, &count))
 		 || ((unsigned)(major | minor | start | count | increment) > 255)
 		) {
 			bb_error_msg("invalid line %d: '%s'", linenum, line);
diff --git a/miscutils/mt.c b/miscutils/mt.c
index d19866a..142901b 100644
--- a/miscutils/mt.c
+++ b/miscutils/mt.c
@@ -108,7 +108,7 @@ int mt_main(int argc UNUSED_PARAM, char **argv)
 	if (argv[2])
 		op.mt_count = xatoi_positive(argv[2]);
 	else
-		op.mt_count = 1;		/* One, not zero, right? */
+		op.mt_count = 1;  /* One, not zero, right? */
 
 	switch (opcode_value[idx]) {
 		case MTWEOF:
diff --git a/miscutils/nandwrite.c b/miscutils/nandwrite.c
index de30a0c..831d2f7 100644
--- a/miscutils/nandwrite.c
+++ b/miscutils/nandwrite.c
@@ -53,12 +53,12 @@
 #define IS_NANDDUMP  (ENABLE_NANDDUMP && (!ENABLE_NANDWRITE || (applet_name[4] == 'd')))
 #define IS_NANDWRITE (ENABLE_NANDWRITE && (!ENABLE_NANDDUMP || (applet_name[4] != 'd')))
 
-#define OPT_p	(1 << 0) /* nandwrite only */
-#define OPT_o	(1 << 0) /* nanddump only */
-#define OPT_s	(1 << 1)
-#define OPT_b	(1 << 2)
-#define OPT_f	(1 << 3)
-#define OPT_l	(1 << 4)
+#define OPT_p  (1 << 0) /* nandwrite only */
+#define OPT_o  (1 << 0) /* nanddump only */
+#define OPT_s  (1 << 1)
+#define OPT_b  (1 << 2)
+#define OPT_f  (1 << 3)
+#define OPT_l  (1 << 4)
 
 /* helper for writing out 0xff for bad blocks pad */
 static void dump_bad(struct mtd_info_user *meminfo, unsigned len, int oob)
diff --git a/miscutils/runlevel.c b/miscutils/runlevel.c
index 608e87f..363e450 100644
--- a/miscutils/runlevel.c
+++ b/miscutils/runlevel.c
@@ -1,11 +1,11 @@
 /* vi: set sw=4 ts=4: */
 /*
- * runlevel	Prints out the previous and the current runlevel.
+ * Prints out the previous and the current runlevel.
  *
- * Version:	@(#)runlevel  1.20  16-Apr-1997  MvS
+ * Version: @(#)runlevel  1.20  16-Apr-1997  MvS
  *
- *		This file is part of the sysvinit suite,
- *		Copyright 1991-1997 Miquel van Smoorenburg.
+ * This file is part of the sysvinit suite,
+ * Copyright 1991-1997 Miquel van Smoorenburg.
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  *
diff --git a/miscutils/strings.c b/miscutils/strings.c
index 40478de..7ab0e22 100644
--- a/miscutils/strings.c
+++ b/miscutils/strings.c
@@ -9,10 +9,10 @@
 
 #include "libbb.h"
 
-#define WHOLE_FILE		1
-#define PRINT_NAME		2
-#define PRINT_OFFSET	4
-#define SIZE			8
+#define WHOLE_FILE    1
+#define PRINT_NAME    2
+#define PRINT_OFFSET  4
+#define SIZE          8
 
 int strings_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int strings_main(int argc UNUSED_PARAM, char **argv)
diff --git a/miscutils/watchdog.c b/miscutils/watchdog.c
index 3325396..36902a2 100644
--- a/miscutils/watchdog.c
+++ b/miscutils/watchdog.c
@@ -21,7 +21,7 @@ static void watchdog_shutdown(int sig UNUSED_PARAM)
 {
 	static const char V = 'V';
 
-	write(3, &V, 1);	/* Magic, see watchdog-api.txt in kernel */
+	write(3, &V, 1);  /* Magic, see watchdog-api.txt in kernel */
 	if (ENABLE_FEATURE_CLEAN_UP)
 		close(3);
 	exit(EXIT_SUCCESS);
diff --git a/networking/brctl.c b/networking/brctl.c
index 0defce4..c0b094e 100644
--- a/networking/brctl.c
+++ b/networking/brctl.c
@@ -184,7 +184,7 @@ int brctl_main(int argc UNUSED_PARAM, char **argv)
 						tabs = 1;
 					printf("\t\t%s\n", ifname);
 				}
-				if (!tabs)	/* bridge has no interfaces */
+				if (!tabs)  /* bridge has no interfaces */
 					bb_putchar('\n');
 			}
 			goto done;
diff --git a/networking/ether-wake.c b/networking/ether-wake.c
index 121f153..8f1479c 100644
--- a/networking/ether-wake.c
+++ b/networking/ether-wake.c
@@ -189,12 +189,12 @@ int ether_wake_main(int argc UNUSED_PARAM, char **argv)
 	unsigned flags;
 	unsigned char wol_passwd[6];
 	int wol_passwd_sz = 0;
-	int s;						/* Raw socket */
+	int s;  /* Raw socket */
 	int pktsize;
 	unsigned char outpack[1000];
 
 	struct ether_addr eaddr;
-	struct whereto_t whereto;	/* who to wake up */
+	struct whereto_t whereto;  /* who to wake up */
 
 	/* handle misc user options */
 	opt_complementary = "=1";
diff --git a/networking/ifupdown.c b/networking/ifupdown.c
index 864fc2a..3cb1ec8 100644
--- a/networking/ifupdown.c
+++ b/networking/ifupdown.c
@@ -644,7 +644,7 @@ static const struct address_family_t addr_inet = {
 	methods
 };
 
-#endif	/* if ENABLE_FEATURE_IFUPDOWN_IPV4 */
+#endif  /* if ENABLE_FEATURE_IFUPDOWN_IPV4 */
 
 /* Returns pointer to the next word, or NULL.
  * In 1st case, advances *buf to the word after this one.
diff --git a/networking/libiproute/iplink.c b/networking/libiproute/iplink.c
index f9421fc..c5ba294 100644
--- a/networking/libiproute/iplink.c
+++ b/networking/libiproute/iplink.c
@@ -21,7 +21,7 @@
 #endif
 
 /* taken from linux/sockios.h */
-#define SIOCSIFNAME	0x8923		/* set interface name */
+#define SIOCSIFNAME  0x8923  /* set interface name */
 
 /* Exits on error */
 static int get_ctl_fd(void)
diff --git a/networking/ping.c b/networking/ping.c
index e18d88e..3aba490 100644
--- a/networking/ping.c
+++ b/networking/ping.c
@@ -297,11 +297,11 @@ void BUG_ping_globals_too_big(void);
 } while (0)
 
 
-#define	A(bit)		rcvd_tbl[(bit)>>3]	/* identify byte in array */
-#define	B(bit)		(1 << ((bit) & 0x07))	/* identify bit in byte */
-#define	SET(bit)	(A(bit) |= B(bit))
-#define	CLR(bit)	(A(bit) &= (~B(bit)))
-#define	TST(bit)	(A(bit) & B(bit))
+#define A(bit)		rcvd_tbl[(bit)>>3]	/* identify byte in array */
+#define B(bit)		(1 << ((bit) & 0x07))	/* identify bit in byte */
+#define SET(bit)	(A(bit) |= B(bit))
+#define CLR(bit)	(A(bit) &= (~B(bit)))
+#define TST(bit)	(A(bit) & B(bit))
 
 /**************************************************************************/
 
diff --git a/networking/tc.c b/networking/tc.c
index 48d1642..9242741 100644
--- a/networking/tc.c
+++ b/networking/tc.c
@@ -1,10 +1,10 @@
 /* vi: set sw=4 ts=4: */
 /*
- * tc.c		"tc" utility frontend.
+ * "tc" utility frontend.
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  *
- * Authors:	Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
+ * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
  *
  * Bernhard Reutner-Fischer adjusted for busybox
  */
diff --git a/networking/tftp.c b/networking/tftp.c
index 0269a93..04c8f0e 100644
--- a/networking/tftp.c
+++ b/networking/tftp.c
@@ -447,7 +447,7 @@ static int tftp_protocol(
 		/* NB: send_len value is preserved in code below
 		 * for potential resend */
 
-		retries = TFTP_NUM_RETRIES;	/* re-initialize */
+		retries = TFTP_NUM_RETRIES;  /* re-initialize */
 		waittime_ms = TFTP_TIMEOUT_MS;
 
  send_again:
diff --git a/networking/udhcp/dhcpd.c b/networking/udhcp/dhcpd.c
index f087865..a015cf0 100644
--- a/networking/udhcp/dhcpd.c
+++ b/networking/udhcp/dhcpd.c
@@ -413,7 +413,7 @@ int udhcpd_main(int argc UNUSED_PARAM, char **argv)
 		case SIGTERM:
 			bb_info_msg("Received SIGTERM");
 			goto ret0;
-		case 0:	/* no signal: read a packet */
+		case 0: /* no signal: read a packet */
 			break;
 		default: /* signal or error (probably EINTR): back to select */
 			continue;
diff --git a/networking/udhcp/dumpleases.c b/networking/udhcp/dumpleases.c
index 46610fc..a15e409 100644
--- a/networking/udhcp/dumpleases.c
+++ b/networking/udhcp/dumpleases.c
@@ -18,9 +18,9 @@ int dumpleases_main(int argc UNUSED_PARAM, char **argv)
 	struct in_addr addr;
 
 	enum {
-		OPT_a	= 0x1,	// -a
-		OPT_r	= 0x2,	// -r
-		OPT_f	= 0x4,	// -f
+		OPT_a = 0x1, // -a
+		OPT_r = 0x2, // -r
+		OPT_f = 0x4, // -f
 	};
 #if ENABLE_LONG_OPTS
 	static const char dumpleases_longopts[] ALIGN1 =
diff --git a/procps/powertop.c b/procps/powertop.c
index 5e028f0..250da81 100644
--- a/procps/powertop.c
+++ b/procps/powertop.c
@@ -39,7 +39,7 @@
 
 /* Frequency of the ACPI timer */
 #define FREQ_ACPI          3579.545
-#define FREQ_ACPI_1000	   3579545
+#define FREQ_ACPI_1000     3579545
 
 /* Max filename length of entry in /sys/devices subsystem */
 #define BIG_SYSNAME_LEN    16
@@ -115,8 +115,8 @@ static int write_str_to_file(const char *fname, const char *str)
 }
 
 /* Make it more readable */
-#define start_timer()	write_str_to_file("/proc/timer_stats", "1\n")
-#define stop_timer()	write_str_to_file("/proc/timer_stats", "0\n")
+#define start_timer() write_str_to_file("/proc/timer_stats", "1\n")
+#define stop_timer()  write_str_to_file("/proc/timer_stats", "0\n")
 
 static NOINLINE void clear_lines(void)
 {
@@ -362,7 +362,7 @@ static void process_irq_counts(void)
 		}
 		/*   0:  143646045  153901007   IO-APIC-edge      timer
 		 * NMI:          1          2   Non-maskable interrupts
-		 *		                ^
+		 *                              ^
 		 */
 		if (nr < 20000) {
 			/* Skip to the interrupt name, e.g. 'timer' */
@@ -539,9 +539,9 @@ static void cpuid(unsigned int *eax, unsigned int *ebx, unsigned int *ecx,
 }
 #endif
 
+#ifdef __i386__
 static NOINLINE void print_intel_cstates(void)
 {
-#ifdef __i386__
 	int bios_table[8] = { 0 };
 	int nbios = 0;
 	DIR *cpudir;
@@ -628,13 +628,15 @@ static NOINLINE void print_intel_cstates(void)
 
 	/* Print BIOS C-States */
 	printf("Your BIOS reports the following C-states: ");
-	for (i = 0; i < 8; i++)
+	for (i = 0; i < ARRAY_SIZE(bios_table); i++)
 		if (bios_table[i])
 			printf("C%u ", i);
 
 	bb_putchar('\n');
-#endif
 }
+#else
+# define print_intel_cstates(void) ((void)0)
+#endif
 
 static void show_timerstats(void)
 {
@@ -817,7 +819,7 @@ int powertop_main(int UNUSED_PARAM argc, char UNUSED_PARAM **argv)
 
 			sprintf(cstate_lines[0], "Cn\t\t  Avg residency\n");
 			percentage = newticks * 100.0 / (G.total_cpus * DEFAULT_SLEEP * FREQ_ACPI_1000);
-			sprintf(cstate_lines[1], "C0 (cpu running)        (%4.1f%%)\n",	percentage);
+			sprintf(cstate_lines[1], "C0 (cpu running)        (%4.1f%%)\n", percentage);
 
 			/* Compute values for individual C-states */
 			for (i = 0; i < MAX_CSTATE_COUNT; i++) {
diff --git a/procps/renice.c b/procps/renice.c
index 0a73cbe..59194b5 100644
--- a/procps/renice.c
+++ b/procps/renice.c
@@ -32,7 +32,7 @@ int renice_main(int argc UNUSED_PARAM, char **argv)
 	static const char Xetpriority_msg[] ALIGN1 = "%cetpriority";
 
 	int retval = EXIT_SUCCESS;
-	int which = PRIO_PROCESS;	/* Default 'which' value. */
+	int which = PRIO_PROCESS;  /* Default 'which' value. */
 	int use_relative = 0;
 	int adjustment, new_priority;
 	unsigned who;
@@ -57,7 +57,7 @@ int renice_main(int argc UNUSED_PARAM, char **argv)
 			arg += 2;
 	}
 
-	if (!arg) {				/* No args?  Then show usage. */
+	if (!arg) {  /* No args?  Then show usage. */
 		bb_show_usage();
 	}
 
@@ -100,7 +100,7 @@ int renice_main(int argc UNUSED_PARAM, char **argv)
 		if (use_relative) {
 			int old_priority;
 
-			errno = 0;	 /* Needed for getpriority error detection. */
+			errno = 0;  /* Needed for getpriority error detection. */
 			old_priority = getpriority(which, who);
 			if (errno) {
 				bb_perror_msg(Xetpriority_msg, 'g');
diff --git a/runit/chpst.c b/runit/chpst.c
index b08d423..dc8a26a 100644
--- a/runit/chpst.c
+++ b/runit/chpst.c
@@ -122,10 +122,10 @@ static NOINLINE void edir(const char *directory_name)
 			if ((errno == EISDIR) && directory_name) {
 				if (option_mask32 & OPT_v)
 					bb_perror_msg("warning: %s/%s is a directory",
-						directory_name,	d->d_name);
+						directory_name, d->d_name);
 				continue;
-			} else
-				bb_perror_msg_and_die("open %s/%s",
+			}
+			bb_perror_msg_and_die("open %s/%s",
 						directory_name, d->d_name);
 		}
 		size = full_read(fd, buf, sizeof(buf)-1);
diff --git a/runit/svlogd.c b/runit/svlogd.c
index 052806c..c3ff4e9 100644
--- a/runit/svlogd.c
+++ b/runit/svlogd.c
@@ -1114,7 +1114,8 @@ int svlogd_main(int argc, char **argv)
 		/* Search for '\n' (in fact, np already holds the result) */
 		linelen = stdin_cnt;
 		if (np) {
- print_to_nl:		/* NB: starting from here lineptr may point
+ print_to_nl:
+			/* NB: starting from here lineptr may point
 			 * farther out into line[] */
 			linelen = np - lineptr + 1;
 		}
diff --git a/shell/ash.c b/shell/ash.c
index fbf3efc..5ef7efb 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -7623,7 +7623,7 @@ hashcd(void)
 		for (cmdp = *pp; cmdp; cmdp = cmdp->next) {
 			if (cmdp->cmdtype == CMDNORMAL
 			 || (cmdp->cmdtype == CMDBUILTIN
-			     &&	!IS_BUILTIN_REGULAR(cmdp->param.cmd)
+			     && !IS_BUILTIN_REGULAR(cmdp->param.cmd)
 			     && builtinloc > 0)
 			) {
 				cmdp->rehash = 1;
@@ -12325,7 +12325,7 @@ find_command(char *name, struct cmdentry *entry, int act, const char *path)
 			}
 			if ((act & DO_NOFUNC)
 			 || !prefix(pathopt, "func")
-			) {	/* ignore unimplemented options */
+			) {     /* ignore unimplemented options */
 				continue;
 			}
 		}
diff --git a/shell/hush.c b/shell/hush.c
index 75083dc..9dd30c4 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -2765,7 +2765,7 @@ static const struct reserved_combo* match_reserved_word(o_string *word)
 	};
 	const struct reserved_combo *r;
 
-	for (r = reserved_list;	r < reserved_list + ARRAY_SIZE(reserved_list); r++) {
+	for (r = reserved_list; r < reserved_list + ARRAY_SIZE(reserved_list); r++) {
 		if (strcmp(word->data, r->literal) == 0)
 			return r;
 	}
@@ -4660,7 +4660,7 @@ static NOINLINE const char *expand_one_var(char **to_be_freed_pp, char *arg, cha
 				char *exp_exp_word;
 				char *loc;
 				unsigned scan_flags = pick_scan(exp_op, *exp_word);
-				if (exp_op == *exp_word)	/* ## or %% */
+				if (exp_op == *exp_word)  /* ## or %% */
 					exp_word++;
 				exp_exp_word = encode_then_expand_string(exp_word, /*process_bkslash:*/ 1, /*unbackslash:*/ 1);
 				if (exp_exp_word)
diff --git a/sysklogd/logger.c b/sysklogd/logger.c
index ff15191..120f6a7 100644
--- a/sysklogd/logger.c
+++ b/sysklogd/logger.c
@@ -121,7 +121,7 @@ int logger_main(int argc UNUSED_PARAM, char **argv)
 
 /*-
  * Copyright (c) 1983, 1993
- *	The Regents of the University of California.  All rights reserved.
+ * The Regents of the University of California.  All rights reserved.
  *
  * This is the original license statement for the decode and pencode functions.
  *
@@ -134,8 +134,8 @@ int logger_main(int argc UNUSED_PARAM, char **argv)
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
- * 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change
- *		ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change>
+ * 3. BSD Advertising Clause omitted per the July 22, 1999 licensing change
+ *    ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
  *
  * 4. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
diff --git a/util-linux/acpid.c b/util-linux/acpid.c
index 5a3bd5a..0b227a8 100644
--- a/util-linux/acpid.c
+++ b/util-linux/acpid.c
@@ -52,7 +52,7 @@ struct globals {
 	int n_evt;
 } FIX_ALIASING;
 #define G (*ptr_to_globals)
-#define	act_tab         (G.act_tab)
+#define act_tab         (G.act_tab)
 #define n_act           (G.n_act  )
 #define evt_tab         (G.evt_tab)
 #define n_evt           (G.n_evt  )
diff --git a/util-linux/fdformat.c b/util-linux/fdformat.c
index f5c386c..57e9c26 100644
--- a/util-linux/fdformat.c
+++ b/util-linux/fdformat.c
@@ -36,7 +36,7 @@ struct format_descr {
 	unsigned int device,head,track;
 };
 #define FDFMTBEG _IO(2,0x47)
-#define	FDFMTTRK _IOW(2,0x48, struct format_descr)
+#define FDFMTTRK _IOW(2,0x48, struct format_descr)
 #define FDFMTEND _IO(2,0x49)
 #define FDGETPRM _IOR(2, 0x04, struct floppy_struct)
 #define FD_FILL_BYTE 0xF6 /* format fill byte. */
diff --git a/util-linux/fdisk_gpt.c b/util-linux/fdisk_gpt.c
index 1ab1293..d43d9c7 100644
--- a/util-linux/fdisk_gpt.c
+++ b/util-linux/fdisk_gpt.c
@@ -7,7 +7,7 @@
 
 #define GPT_MAGIC 0x5452415020494645ULL
 enum {
-	LEGACY_GPT_TYPE	= 0xee,
+	LEGACY_GPT_TYPE = 0xee,
 	GPT_MAX_PARTS   = 256,
 	GPT_MAX_PART_ENTRY_LEN = 4096,
 	GUID_LEN        = 16,
diff --git a/util-linux/fdisk_sun.c b/util-linux/fdisk_sun.c
index 6b7940c..e7fcc06 100644
--- a/util-linux/fdisk_sun.c
+++ b/util-linux/fdisk_sun.c
@@ -654,7 +654,7 @@ sun_list_table(int xtra)
 			uint32_t start = SUN_SSWAP32(sunlabel->partitions[i].start_cylinder) * g_heads * g_sectors;
 			uint32_t len = SUN_SSWAP32(sunlabel->partitions[i].num_sectors);
 			printf("%s %c%c %9lu %9lu %9lu%c  %2x  %s\n",
-				partname(disk_device, i+1, w),			/* device */
+				partname(disk_device, i+1, w),                  /* device */
 				(sunlabel->infos[i].flags & 0x01) ? 'u' : ' ',  /* flags */
 				(sunlabel->infos[i].flags & 0x10) ? 'r' : ' ',
 				(long) scround(start),                          /* start */
diff --git a/util-linux/ipcrm.c b/util-linux/ipcrm.c
index 6360c70..731216c 100644
--- a/util-linux/ipcrm.c
+++ b/util-linux/ipcrm.c
@@ -43,7 +43,6 @@ typedef enum type_id {
 static int remove_ids(type_id type, int argc, char **argv)
 {
 	unsigned long id;
-	int ret = 0;		/* silence gcc */
 	int nb_errors = 0;
 	union semun arg;
 
@@ -55,6 +54,7 @@ static int remove_ids(type_id type, int argc, char **argv)
 			bb_error_msg("invalid id: %s", argv[0]);
 			nb_errors++;
 		} else {
+			int ret = 0;
 			if (type == SEM)
 				ret = semctl(id, 0, IPC_RMID, arg);
 			else if (type == MSG)
@@ -92,14 +92,13 @@ int ipcrm_main(int argc, char **argv)
 		type_id what = 0; /* silence gcc */
 		char w;
 
-		w=argv[1][0];
+		w = argv[1][0];
 		if ( ((w == 'm' && argv[1][1] == 's' && argv[1][2] == 'g')
 		       || (argv[1][0] == 's'
-		           && ((w=argv[1][1]) == 'h' || w == 'e')
+		           && ((w = argv[1][1]) == 'h' || w == 'e')
 		           && argv[1][2] == 'm')
 		     ) && argv[1][3] == '\0'
 		) {
-
 			if (argc < 3)
 				bb_show_usage();
 
diff --git a/util-linux/mkfs_ext2.c b/util-linux/mkfs_ext2.c
index 6dccd3a..871ec83 100644
--- a/util-linux/mkfs_ext2.c
+++ b/util-linux/mkfs_ext2.c
@@ -11,8 +11,8 @@
 #include <linux/fs.h>
 #include <linux/ext2_fs.h>
 
-#define	ENABLE_FEATURE_MKFS_EXT2_RESERVED_GDT 0
-#define	ENABLE_FEATURE_MKFS_EXT2_DIR_INDEX    1
+#define ENABLE_FEATURE_MKFS_EXT2_RESERVED_GDT 0
+#define ENABLE_FEATURE_MKFS_EXT2_DIR_INDEX    1
 
 // from e2fsprogs
 #define s_reserved_gdt_blocks s_padding1
diff --git a/util-linux/mkfs_vfat.c b/util-linux/mkfs_vfat.c
index 45760f7..bb5b59c 100644
--- a/util-linux/mkfs_vfat.c
+++ b/util-linux/mkfs_vfat.c
@@ -28,7 +28,7 @@
 
 #define ATTR_VOLUME     8
 
-#define	NUM_FATS        2
+#define NUM_FATS        2
 
 /* FAT32 filesystem looks like this:
  * sector -nn...-1: "hidden" sectors, all sectors before this partition
diff --git a/util-linux/readprofile.c b/util-linux/readprofile.c
index 00b3382..f8a6e0c 100644
--- a/util-linux/readprofile.c
+++ b/util-linux/readprofile.c
@@ -97,7 +97,7 @@ int readprofile_main(int argc UNUSED_PARAM, char **argv)
 		 */
 		to_write = sizeof(int);
 		if (!optMult)
-			to_write = 1;	/* sth different from sizeof(int) */
+			to_write = 1;  /* sth different from sizeof(int) */
 
 		fd = xopen(defaultpro, O_WRONLY);
 		xwrite(fd, &multiplier, to_write);
@@ -179,7 +179,7 @@ int readprofile_main(int argc UNUSED_PARAM, char **argv)
 		if (*mode != 'T' && *mode != 't'
 		 && *mode != 'W' && *mode != 'w'
 		) {
-			break;	/* only text is profiled */
+			break;  /* only text is profiled */
 		}
 
 		if (indx >= len / sizeof(*buf))
diff --git a/util-linux/rtcwake.c b/util-linux/rtcwake.c
index 26e5b47..06ed7ea 100644
--- a/util-linux/rtcwake.c
+++ b/util-linux/rtcwake.c
@@ -50,7 +50,7 @@ static NOINLINE bool may_wakeup(const char *rtcname)
 static NOINLINE void setup_alarm(int fd, time_t *wakeup, time_t rtc_time)
 {
 	struct tm *ptm;
-	struct linux_rtc_wkalrm	wake;
+	struct linux_rtc_wkalrm wake;
 
 	/* The wakeup time is in POSIX time (more or less UTC).
 	 * Ideally RTCs use that same time; but PCs can't do that
diff --git a/util-linux/script.c b/util-linux/script.c
index 0860bb0..b9317fc 100644
--- a/util-linux/script.c
+++ b/util-linux/script.c
@@ -6,7 +6,7 @@
  *
  * Based on code from util-linux v 2.12r
  * Copyright (c) 1980
- *	The Regents of the University of California.  All rights reserved.
+ * The Regents of the University of California.  All rights reserved.
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */