- use bb_msg_write_error in 3 places

- whitespace

1 files changed, 346 insertions, 368 deletions

diff --git a/miscutils/time.c b/miscutils/time.c
index 9d0d6c0..e0bdfe1 100644
--- a/miscutils/time.c
+++ b/miscutils/time.c
@@ -1,25 +1,13 @@
+/* vi: set sw=4 ts=4: */
 /* `time' utility to display resource usage of processes.
    Copyright (C) 1990, 91, 92, 93, 96 Free Software Foundation, Inc.
 
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-   02111-1307, USA.  */
-
+   Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+*/
 /* Originally written by David Keppel <pardo@cs.washington.edu>.
    Heavily modified by David MacKenzie <djm@gnu.ai.mit.edu>.
    Heavily modified for busybox by Erik Andersen <andersen@codepoet.org>
-   */
+*/
 
 #include "busybox.h"
 #include <stdlib.h>
@@ -30,19 +18,18 @@
 #include <string.h>
 #include <limits.h>
 #include <unistd.h>
-#include <sys/types.h>		/* For pid_t. */
+#include <sys/types.h>	/* For pid_t. */
 #include <sys/wait.h>
-#include <sys/param.h>		/* For getpagesize, maybe.  */
+#include <sys/param.h>	/* For getpagesize, maybe.  */
 
 #define TV_MSEC tv_usec / 1000
 #include <sys/resource.h>
 
 /* Information on the resources used by a child process.  */
-typedef struct
-{
-  int waitstatus;
-  struct rusage ru;
-  struct timeval start, elapsed; /* Wallclock time of process.  */
+typedef struct {
+	int waitstatus;
+	struct rusage ru;
+	struct timeval start, elapsed;	/* Wallclock time of process.  */
 } resource_t;
 
 /* msec = milliseconds = 1/1,000 (1*10e-3) second.
@@ -69,78 +56,74 @@ static const char *const posix_format = "real %e\nuser %U\nsys %S";
 /* Format string for printing all statistics verbosely.
    Keep this output to 24 lines so users on terminals can see it all.*/
 static const char *const long_format =
-  "\tCommand being timed: \"%C\"\n"
-  "\tUser time (seconds): %U\n"
-  "\tSystem time (seconds): %S\n"
-  "\tPercent of CPU this job got: %P\n"
-  "\tElapsed (wall clock) time (h:mm:ss or m:ss): %E\n"
-  "\tAverage shared text size (kbytes): %X\n"
-  "\tAverage unshared data size (kbytes): %D\n"
-  "\tAverage stack size (kbytes): %p\n"
-  "\tAverage total size (kbytes): %K\n"
-  "\tMaximum resident set size (kbytes): %M\n"
-  "\tAverage resident set size (kbytes): %t\n"
-  "\tMajor (requiring I/O) page faults: %F\n"
-  "\tMinor (reclaiming a frame) page faults: %R\n"
-  "\tVoluntary context switches: %w\n"
-  "\tInvoluntary context switches: %c\n"
-  "\tSwaps: %W\n"
-  "\tFile system inputs: %I\n"
-  "\tFile system outputs: %O\n"
-  "\tSocket messages sent: %s\n"
-  "\tSocket messages received: %r\n"
-  "\tSignals delivered: %k\n"
-  "\tPage size (bytes): %Z\n"
-  "\tExit status: %x";
+	"\tCommand being timed: \"%C\"\n"
+	"\tUser time (seconds): %U\n"
+	"\tSystem time (seconds): %S\n"
+	"\tPercent of CPU this job got: %P\n"
+	"\tElapsed (wall clock) time (h:mm:ss or m:ss): %E\n"
+	"\tAverage shared text size (kbytes): %X\n"
+	"\tAverage unshared data size (kbytes): %D\n"
+	"\tAverage stack size (kbytes): %p\n"
+	"\tAverage total size (kbytes): %K\n"
+	"\tMaximum resident set size (kbytes): %M\n"
+	"\tAverage resident set size (kbytes): %t\n"
+	"\tMajor (requiring I/O) page faults: %F\n"
+	"\tMinor (reclaiming a frame) page faults: %R\n"
+	"\tVoluntary context switches: %w\n"
+	"\tInvoluntary context switches: %c\n"
+	"\tSwaps: %W\n"
+	"\tFile system inputs: %I\n"
+	"\tFile system outputs: %O\n"
+	"\tSocket messages sent: %s\n"
+	"\tSocket messages received: %r\n"
+	"\tSignals delivered: %k\n"
+	"\tPage size (bytes): %Z\n" "\tExit status: %x";
 
 
   /* Wait for and fill in data on child process PID.
-   Return 0 on error, 1 if ok.  */
+     Return 0 on error, 1 if ok.  */
 
 /* pid_t is short on BSDI, so don't try to promote it.  */
-static int resuse_end (pid_t pid, resource_t *resp)
+static int resuse_end(pid_t pid, resource_t * resp)
 {
-    int status;
-
-    pid_t caught;
-
-    /* Ignore signals, but don't ignore the children.  When wait3
-       returns the child process, set the time the command finished. */
-    while ((caught = wait3 (&status, 0, &resp->ru)) != pid)
-    {
-	if (caught == -1)
-	    return 0;
-    }
-
-    gettimeofday (&resp->elapsed, (struct timezone *) 0);
-    resp->elapsed.tv_sec -= resp->start.tv_sec;
-    if (resp->elapsed.tv_usec < resp->start.tv_usec)
-    {
-	/* Manually carry a one from the seconds field.  */
-	resp->elapsed.tv_usec += 1000000;
-	--resp->elapsed.tv_sec;
-    }
-    resp->elapsed.tv_usec -= resp->start.tv_usec;
-
-    resp->waitstatus = status;
-
-    return 1;
+	int status;
+
+	pid_t caught;
+
+	/* Ignore signals, but don't ignore the children.  When wait3
+	   returns the child process, set the time the command finished. */
+	while ((caught = wait3(&status, 0, &resp->ru)) != pid) {
+		if (caught == -1)
+			return 0;
+	}
+
+	gettimeofday(&resp->elapsed, (struct timezone *) 0);
+	resp->elapsed.tv_sec -= resp->start.tv_sec;
+	if (resp->elapsed.tv_usec < resp->start.tv_usec) {
+		/* Manually carry a one from the seconds field.  */
+		resp->elapsed.tv_usec += 1000000;
+		--resp->elapsed.tv_sec;
+	}
+	resp->elapsed.tv_usec -= resp->start.tv_usec;
+
+	resp->waitstatus = status;
+
+	return 1;
 }
 
 /* Print ARGV to FP, with each entry in ARGV separated by FILLER.  */
-static void fprintargv (FILE *fp, char *const *argv, const char *filler)
+static void fprintargv(FILE * fp, char *const *argv, const char *filler)
 {
-    char *const *av;
-
-    av = argv;
-    fputs (*av, fp);
-    while (*++av)
-    {
-	fputs (filler, fp);
-	fputs (*av, fp);
-    }
-    if (ferror (fp))
-	bb_error_msg_and_die("write error");
+	char *const *av;
+
+	av = argv;
+	fputs(*av, fp);
+	while (*++av) {
+		fputs(filler, fp);
+		fputs(*av, fp);
+	}
+	if (ferror(fp))
+		bb_error_msg_and_die(bb_msg_write_error);
 }
 
 /* Return the number of kilobytes corresponding to a number of pages PAGES.
@@ -151,28 +134,25 @@ static void fprintargv (FILE *fp, char *const *argv, const char *filler)
    Note: Some machines express getrusage statistics in terms of K,
    others in terms of pages.  */
 
-static unsigned long ptok (unsigned long pages)
+static unsigned long ptok(unsigned long pages)
 {
-    static unsigned long ps = 0;
-    unsigned long tmp;
-    static long size = LONG_MAX;
-
-    /* Initialization.  */
-    if (ps == 0)
-	ps = (long) getpagesize ();
-
-    /* Conversion.  */
-    if (pages > (LONG_MAX / ps))
-    {				/* Could overflow.  */
-	tmp = pages / 1024;	/* Smaller first, */
-	size = tmp * ps;		/* then larger.  */
-    }
-    else
-    {				/* Could underflow.  */
-	tmp = pages * ps;		/* Larger first, */
-	size = tmp / 1024;	/* then smaller.  */
-    }
-    return size;
+	static unsigned long ps = 0;
+	unsigned long tmp;
+	static long size = LONG_MAX;
+
+	/* Initialization.  */
+	if (ps == 0)
+		ps = (long) getpagesize();
+
+	/* Conversion.  */
+	if (pages > (LONG_MAX / ps)) {	/* Could overflow.  */
+		tmp = pages / 1024;	/* Smaller first, */
+		size = tmp * ps;	/* then larger.  */
+	} else {			/* Could underflow.  */
+		tmp = pages * ps;	/* Larger first, */
+		size = tmp / 1024;	/* then smaller.  */
+	}
+	return size;
 }
 
 /* summarize: Report on the system use of a command.
@@ -220,282 +200,280 @@ static unsigned long ptok (unsigned long pages)
    COMMAND is the command and args that are being summarized.
    RESP is resource information on the command.  */
 
-static void summarize (FILE *fp, const char *fmt, char **command, resource_t *resp)
+static void summarize(FILE * fp, const char *fmt, char **command,
+					  resource_t * resp)
 {
-    unsigned long r;		/* Elapsed real milliseconds.  */
-    unsigned long v;		/* Elapsed virtual (CPU) milliseconds.  */
-
-    if (WIFSTOPPED (resp->waitstatus))
-	fprintf (fp, "Command stopped by signal %d\n", WSTOPSIG (resp->waitstatus));
-    else if (WIFSIGNALED (resp->waitstatus))
-	fprintf (fp, "Command terminated by signal %d\n", WTERMSIG (resp->waitstatus));
-    else if (WIFEXITED (resp->waitstatus) && WEXITSTATUS (resp->waitstatus))
-	fprintf (fp, "Command exited with non-zero status %d\n", WEXITSTATUS (resp->waitstatus));
-
-    /* Convert all times to milliseconds.  Occasionally, one of these values
-       comes out as zero.  Dividing by zero causes problems, so we first
-       check the time value.  If it is zero, then we take `evasive action'
-       instead of calculating a value.  */
-
-    r = resp->elapsed.tv_sec * 1000 + resp->elapsed.tv_usec / 1000;
-
-    v = resp->ru.ru_utime.tv_sec * 1000 + resp->ru.ru_utime.TV_MSEC +
-	resp->ru.ru_stime.tv_sec * 1000 + resp->ru.ru_stime.TV_MSEC;
-
-    while (*fmt)
-    {
-	switch (*fmt)
-	{
-	    case '%':
-		switch (*++fmt)
-		{
-		    case '%':		/* Literal '%'.  */
-			putc ('%', fp);
-			break;
-		    case 'C':		/* The command that got timed.  */
-			fprintargv (fp, command, " ");
-			break;
-		    case 'D':		/* Average unshared data size.  */
-			fprintf (fp, "%lu",
-				MSEC_TO_TICKS (v) == 0 ? 0 :
-				ptok ((UL) resp->ru.ru_idrss) / MSEC_TO_TICKS (v) +
-				ptok ((UL) resp->ru.ru_isrss) / MSEC_TO_TICKS (v));
-			break;
-		    case 'E':		/* Elapsed real (wall clock) time.  */
-			if (resp->elapsed.tv_sec >= 3600)	/* One hour -> h:m:s.  */
-			    fprintf (fp, "%ldh %ldm %02lds",
-				    resp->elapsed.tv_sec / 3600,
-				    (resp->elapsed.tv_sec % 3600) / 60,
-				    resp->elapsed.tv_sec % 60);
-			else
-			    fprintf (fp, "%ldm %ld.%02lds",	/* -> m:s.  */
-				    resp->elapsed.tv_sec / 60,
-				    resp->elapsed.tv_sec % 60,
-				    resp->elapsed.tv_usec / 10000);
-			break;
-		    case 'F':		/* Major page faults.  */
-			fprintf (fp, "%ld", resp->ru.ru_majflt);
-			break;
-		    case 'I':		/* Inputs.  */
-			fprintf (fp, "%ld", resp->ru.ru_inblock);
-			break;
-		    case 'K':		/* Average mem usage == data+stack+text.  */
-			fprintf (fp, "%lu",
-				MSEC_TO_TICKS (v) == 0 ? 0 :
-				ptok ((UL) resp->ru.ru_idrss) / MSEC_TO_TICKS (v) +
-				ptok ((UL) resp->ru.ru_isrss) / MSEC_TO_TICKS (v) +
-				ptok ((UL) resp->ru.ru_ixrss) / MSEC_TO_TICKS (v));
-			break;
-		    case 'M':		/* Maximum resident set size.  */
-			fprintf (fp, "%lu", ptok ((UL) resp->ru.ru_maxrss));
-			break;
-		    case 'O':		/* Outputs.  */
-			fprintf (fp, "%ld", resp->ru.ru_oublock);
-			break;
-		    case 'P':		/* Percent of CPU this job got.  */
-			/* % cpu is (total cpu time)/(elapsed time).  */
-			if (r > 0)
-			    fprintf (fp, "%lu%%", (v * 100 / r));
-			else
-			    fprintf (fp, "?%%");
-			break;
-		    case 'R':		/* Minor page faults (reclaims).  */
-			fprintf (fp, "%ld", resp->ru.ru_minflt);
-			break;
-		    case 'S':		/* System time.  */
-			fprintf (fp, "%ld.%02ld",
-				resp->ru.ru_stime.tv_sec,
-				resp->ru.ru_stime.TV_MSEC / 10);
-			break;
-		    case 'T':		/* System time.  */
-			if (resp->ru.ru_stime.tv_sec >= 3600)	/* One hour -> h:m:s.  */
-			    fprintf (fp, "%ldh %ldm %02lds",
-				    resp->ru.ru_stime.tv_sec / 3600,
-				    (resp->ru.ru_stime.tv_sec % 3600) / 60,
-				    resp->ru.ru_stime.tv_sec % 60);
-			else
-			    fprintf (fp, "%ldm %ld.%02lds",	/* -> m:s.  */
-				    resp->ru.ru_stime.tv_sec / 60,
-				    resp->ru.ru_stime.tv_sec % 60,
-				    resp->ru.ru_stime.tv_usec / 10000);
-			break;
-		    case 'U':		/* User time.  */
-			fprintf (fp, "%ld.%02ld",
-				resp->ru.ru_utime.tv_sec,
-				resp->ru.ru_utime.TV_MSEC / 10);
-			break;
-		    case 'u':		/* User time.  */
-			if (resp->ru.ru_utime.tv_sec >= 3600)	/* One hour -> h:m:s.  */
-			    fprintf (fp, "%ldh %ldm %02lds",
-				    resp->ru.ru_utime.tv_sec / 3600,
-				    (resp->ru.ru_utime.tv_sec % 3600) / 60,
-				    resp->ru.ru_utime.tv_sec % 60);
-			else
-			    fprintf (fp, "%ldm %ld.%02lds",	/* -> m:s.  */
-				    resp->ru.ru_utime.tv_sec / 60,
-				    resp->ru.ru_utime.tv_sec % 60,
-				    resp->ru.ru_utime.tv_usec / 10000);
+	unsigned long r;	/* Elapsed real milliseconds.  */
+	unsigned long v;	/* Elapsed virtual (CPU) milliseconds.  */
+
+	if (WIFSTOPPED(resp->waitstatus))
+		fprintf(fp, "Command stopped by signal %d\n",
+				WSTOPSIG(resp->waitstatus));
+	else if (WIFSIGNALED(resp->waitstatus))
+		fprintf(fp, "Command terminated by signal %d\n",
+				WTERMSIG(resp->waitstatus));
+	else if (WIFEXITED(resp->waitstatus) && WEXITSTATUS(resp->waitstatus))
+		fprintf(fp, "Command exited with non-zero status %d\n",
+				WEXITSTATUS(resp->waitstatus));
+
+	/* Convert all times to milliseconds.  Occasionally, one of these values
+	   comes out as zero.  Dividing by zero causes problems, so we first
+	   check the time value.  If it is zero, then we take `evasive action'
+	   instead of calculating a value.  */
+
+	r = resp->elapsed.tv_sec * 1000 + resp->elapsed.tv_usec / 1000;
+
+	v = resp->ru.ru_utime.tv_sec * 1000 + resp->ru.ru_utime.TV_MSEC +
+		resp->ru.ru_stime.tv_sec * 1000 + resp->ru.ru_stime.TV_MSEC;
+
+	while (*fmt) {
+		switch (*fmt) {
+		case '%':
+			switch (*++fmt) {
+			case '%':	/* Literal '%'.  */
+				putc('%', fp);
+				break;
+			case 'C':	/* The command that got timed.  */
+				fprintargv(fp, command, " ");
+				break;
+			case 'D':	/* Average unshared data size.  */
+				fprintf(fp, "%lu",
+						MSEC_TO_TICKS(v) == 0 ? 0 :
+						ptok((UL) resp->ru.ru_idrss) / MSEC_TO_TICKS(v) +
+						ptok((UL) resp->ru.ru_isrss) / MSEC_TO_TICKS(v));
+				break;
+			case 'E':	/* Elapsed real (wall clock) time.  */
+				if (resp->elapsed.tv_sec >= 3600)	/* One hour -> h:m:s.  */
+					fprintf(fp, "%ldh %ldm %02lds",
+							resp->elapsed.tv_sec / 3600,
+							(resp->elapsed.tv_sec % 3600) / 60,
+							resp->elapsed.tv_sec % 60);
+				else
+					fprintf(fp, "%ldm %ld.%02lds",	/* -> m:s.  */
+							resp->elapsed.tv_sec / 60,
+							resp->elapsed.tv_sec % 60,
+							resp->elapsed.tv_usec / 10000);
+				break;
+			case 'F':	/* Major page faults.  */
+				fprintf(fp, "%ld", resp->ru.ru_majflt);
+				break;
+			case 'I':	/* Inputs.  */
+				fprintf(fp, "%ld", resp->ru.ru_inblock);
+				break;
+			case 'K':	/* Average mem usage == data+stack+text.  */
+				fprintf(fp, "%lu",
+						MSEC_TO_TICKS(v) == 0 ? 0 :
+						ptok((UL) resp->ru.ru_idrss) / MSEC_TO_TICKS(v) +
+						ptok((UL) resp->ru.ru_isrss) / MSEC_TO_TICKS(v) +
+						ptok((UL) resp->ru.ru_ixrss) / MSEC_TO_TICKS(v));
+				break;
+			case 'M':	/* Maximum resident set size.  */
+				fprintf(fp, "%lu", ptok((UL) resp->ru.ru_maxrss));
+				break;
+			case 'O':	/* Outputs.  */
+				fprintf(fp, "%ld", resp->ru.ru_oublock);
+				break;
+			case 'P':	/* Percent of CPU this job got.  */
+				/* % cpu is (total cpu time)/(elapsed time).  */
+				if (r > 0)
+					fprintf(fp, "%lu%%", (v * 100 / r));
+				else
+					fprintf(fp, "?%%");
+				break;
+			case 'R':	/* Minor page faults (reclaims).  */
+				fprintf(fp, "%ld", resp->ru.ru_minflt);
+				break;
+			case 'S':	/* System time.  */
+				fprintf(fp, "%ld.%02ld",
+						resp->ru.ru_stime.tv_sec,
+						resp->ru.ru_stime.TV_MSEC / 10);
+				break;
+			case 'T':	/* System time.  */
+				if (resp->ru.ru_stime.tv_sec >= 3600) /* One hour -> h:m:s.  */
+					fprintf(fp, "%ldh %ldm %02lds",
+							resp->ru.ru_stime.tv_sec / 3600,
+							(resp->ru.ru_stime.tv_sec % 3600) / 60,
+							resp->ru.ru_stime.tv_sec % 60);
+				else
+					fprintf(fp, "%ldm %ld.%02lds",	/* -> m:s.  */
+							resp->ru.ru_stime.tv_sec / 60,
+							resp->ru.ru_stime.tv_sec % 60,
+							resp->ru.ru_stime.tv_usec / 10000);
+				break;
+			case 'U':	/* User time.  */
+				fprintf(fp, "%ld.%02ld",
+						resp->ru.ru_utime.tv_sec,
+						resp->ru.ru_utime.TV_MSEC / 10);
+				break;
+			case 'u':	/* User time.  */
+				if (resp->ru.ru_utime.tv_sec >= 3600) /* One hour -> h:m:s.  */
+					fprintf(fp, "%ldh %ldm %02lds",
+							resp->ru.ru_utime.tv_sec / 3600,
+							(resp->ru.ru_utime.tv_sec % 3600) / 60,
+							resp->ru.ru_utime.tv_sec % 60);
+				else
+					fprintf(fp, "%ldm %ld.%02lds",	/* -> m:s.  */
+							resp->ru.ru_utime.tv_sec / 60,
+							resp->ru.ru_utime.tv_sec % 60,
+							resp->ru.ru_utime.tv_usec / 10000);
+				break;
+			case 'W':	/* Times swapped out.  */
+				fprintf(fp, "%ld", resp->ru.ru_nswap);
+				break;
+			case 'X':	/* Average shared text size.  */
+				fprintf(fp, "%lu",
+						MSEC_TO_TICKS(v) == 0 ? 0 :
+						ptok((UL) resp->ru.ru_ixrss) / MSEC_TO_TICKS(v));
+				break;
+			case 'Z':	/* Page size.  */
+				fprintf(fp, "%d", getpagesize());
+				break;
+			case 'c':	/* Involuntary context switches.  */
+				fprintf(fp, "%ld", resp->ru.ru_nivcsw);
+				break;
+			case 'e':	/* Elapsed real time in seconds.  */
+				fprintf(fp, "%ld.%02ld",
+						resp->elapsed.tv_sec, resp->elapsed.tv_usec / 10000);
+				break;
+			case 'k':	/* Signals delivered.  */
+				fprintf(fp, "%ld", resp->ru.ru_nsignals);
+				break;
+			case 'p':	/* Average stack segment.  */
+				fprintf(fp, "%lu",
+						MSEC_TO_TICKS(v) == 0 ? 0 :
+						ptok((UL) resp->ru.ru_isrss) / MSEC_TO_TICKS(v));
+				break;
+			case 'r':	/* Incoming socket messages received.  */
+				fprintf(fp, "%ld", resp->ru.ru_msgrcv);
+				break;
+			case 's':	/* Outgoing socket messages sent.  */
+				fprintf(fp, "%ld", resp->ru.ru_msgsnd);
+				break;
+			case 't':	/* Average resident set size.  */
+				fprintf(fp, "%lu",
+						MSEC_TO_TICKS(v) == 0 ? 0 :
+						ptok((UL) resp->ru.ru_idrss) / MSEC_TO_TICKS(v));
+				break;
+			case 'w':	/* Voluntary context switches.  */
+				fprintf(fp, "%ld", resp->ru.ru_nvcsw);
+				break;
+			case 'x':	/* Exit status.  */
+				fprintf(fp, "%d", WEXITSTATUS(resp->waitstatus));
+				break;
+			case '\0':
+				putc('?', fp);
+				return;
+			default:
+				putc('?', fp);
+				putc(*fmt, fp);
+			}
+			++fmt;
 			break;
-		    case 'W':		/* Times swapped out.  */
-			fprintf (fp, "%ld", resp->ru.ru_nswap);
-			break;
-		    case 'X':		/* Average shared text size.  */
-			fprintf (fp, "%lu",
-				MSEC_TO_TICKS (v) == 0 ? 0 :
-				ptok ((UL) resp->ru.ru_ixrss) / MSEC_TO_TICKS (v));
-			break;
-		    case 'Z':		/* Page size.  */
-			fprintf (fp, "%d", getpagesize ());
-			break;
-		    case 'c':		/* Involuntary context switches.  */
-			fprintf (fp, "%ld", resp->ru.ru_nivcsw);
-			break;
-		    case 'e':		/* Elapsed real time in seconds.  */
-			fprintf (fp, "%ld.%02ld",
-				resp->elapsed.tv_sec,
-				resp->elapsed.tv_usec / 10000);
-			break;
-		    case 'k':		/* Signals delivered.  */
-			fprintf (fp, "%ld", resp->ru.ru_nsignals);
-			break;
-		    case 'p':		/* Average stack segment.  */
-			fprintf (fp, "%lu",
-				MSEC_TO_TICKS (v) == 0 ? 0 :
-				ptok ((UL) resp->ru.ru_isrss) / MSEC_TO_TICKS (v));
-			break;
-		    case 'r':		/* Incoming socket messages received.  */
-			fprintf (fp, "%ld", resp->ru.ru_msgrcv);
-			break;
-		    case 's':		/* Outgoing socket messages sent.  */
-			fprintf (fp, "%ld", resp->ru.ru_msgsnd);
-			break;
-		    case 't':		/* Average resident set size.  */
-			fprintf (fp, "%lu",
-				MSEC_TO_TICKS (v) == 0 ? 0 :
-				ptok ((UL) resp->ru.ru_idrss) / MSEC_TO_TICKS (v));
-			break;
-		    case 'w':		/* Voluntary context switches.  */
-			fprintf (fp, "%ld", resp->ru.ru_nvcsw);
-			break;
-		    case 'x':		/* Exit status.  */
-			fprintf (fp, "%d", WEXITSTATUS (resp->waitstatus));
-			break;
-		    case '\0':
-			putc ('?', fp);
-			return;
-		    default:
-			putc ('?', fp);
-			putc (*fmt, fp);
-		}
-		++fmt;
-		break;
-
-	    case '\\':		/* Format escape.  */
-		switch (*++fmt)
-		{
-		    case 't':
-			putc ('\t', fp);
-			break;
-		    case 'n':
-			putc ('\n', fp);
-			break;
-		    case '\\':
-			putc ('\\', fp);
+
+		case '\\':		/* Format escape.  */
+			switch (*++fmt) {
+			case 't':
+				putc('\t', fp);
+				break;
+			case 'n':
+				putc('\n', fp);
+				break;
+			case '\\':
+				putc('\\', fp);
+				break;
+			default:
+				putc('?', fp);
+				putc('\\', fp);
+				putc(*fmt, fp);
+			}
+			++fmt;
 			break;
-		    default:
-			putc ('?', fp);
-			putc ('\\', fp);
-			putc (*fmt, fp);
+
+		default:
+			putc(*fmt++, fp);
 		}
-		++fmt;
-		break;
 
-	    default:
-		putc (*fmt++, fp);
+		if (ferror(fp))
+			bb_error_msg_and_die(bb_msg_write_error);
 	}
+	putc('\n', fp);
 
-	if (ferror (fp))
-	    bb_error_msg_and_die("write error");
-    }
-    putc ('\n', fp);
-
-    if (ferror (fp))
-	bb_error_msg_and_die("write error");
+	if (ferror(fp))
+		bb_error_msg_and_die(bb_msg_write_error);
 }
 
 /* Run command CMD and return statistics on it.
    Put the statistics in *RESP.  */
-static void run_command (char *const *cmd, resource_t *resp)
+static void run_command(char *const *cmd, resource_t * resp)
 {
-    pid_t pid;			/* Pid of child.  */
-    __sighandler_t interrupt_signal, quit_signal;
-
-    gettimeofday (&resp->start, (struct timezone *) 0);
-    pid = fork ();		/* Run CMD as child process.  */
-    if (pid < 0)
-	bb_error_msg_and_die("cannot fork");
-    else if (pid == 0)
-    {				/* If child.  */
-	/* Don't cast execvp arguments; that causes errors on some systems,
-	   versus merely warnings if the cast is left off.  */
-	execvp (cmd[0], cmd);
-	bb_error_msg("cannot run %s", cmd[0]);
-	_exit (errno == ENOENT ? 127 : 126);
-    }
-
-    /* Have signals kill the child but not self (if possible).  */
-    interrupt_signal = signal (SIGINT, SIG_IGN);
-    quit_signal = signal (SIGQUIT, SIG_IGN);
-
-    if (resuse_end (pid, resp) == 0)
-	bb_error_msg("error waiting for child process");
-
-    /* Re-enable signals.  */
-    signal (SIGINT, interrupt_signal);
-    signal (SIGQUIT, quit_signal);
+	pid_t pid;			/* Pid of child.  */
+	__sighandler_t interrupt_signal, quit_signal;
+
+	gettimeofday(&resp->start, (struct timezone *) 0);
+	pid = fork();		/* Run CMD as child process.  */
+	if (pid < 0)
+		bb_error_msg_and_die("cannot fork");
+	else if (pid == 0) {	/* If child.  */
+		/* Don't cast execvp arguments; that causes errors on some systems,
+		   versus merely warnings if the cast is left off.  */
+		execvp(cmd[0], cmd);
+		bb_error_msg("cannot run %s", cmd[0]);
+		_exit(errno == ENOENT ? 127 : 126);
+	}
+
+	/* Have signals kill the child but not self (if possible).  */
+	interrupt_signal = signal(SIGINT, SIG_IGN);
+	quit_signal = signal(SIGQUIT, SIG_IGN);
+
+	if (resuse_end(pid, resp) == 0)
+		bb_error_msg("error waiting for child process");
+
+	/* Re-enable signals.  */
+	signal(SIGINT, interrupt_signal);
+	signal(SIGQUIT, quit_signal);
 }
 
-int time_main (int argc, char **argv)
+int time_main(int argc, char **argv)
 {
-    int gotone;
-    resource_t res;
-    const char *output_format = default_format;
-
-    argc--;
-    argv++;
-    /* Parse any options  -- don't use getopt() here so we don't
-     * consume the args of our client application... */
-    while (argc > 0 && **argv == '-') {
-	gotone = 0;
-	while (gotone==0 && *++(*argv)) {
-	    switch (**argv) {
-		case 'v':
-		    output_format = long_format;
-		    break;
-		case 'p':
-		    output_format = posix_format;
-		    break;
-		default:
-		    bb_show_usage();
-	    }
-	    argc--;
-	    argv++;
-	    gotone = 1;
+	int gotone;
+	resource_t res;
+	const char *output_format = default_format;
+
+	argc--;
+	argv++;
+	/* Parse any options  -- don't use getopt() here so we don't
+	 * consume the args of our client application... */
+	while (argc > 0 && **argv == '-') {
+		gotone = 0;
+		while (gotone == 0 && *++(*argv)) {
+			switch (**argv) {
+			case 'v':
+				output_format = long_format;
+				break;
+			case 'p':
+				output_format = posix_format;
+				break;
+			default:
+				bb_show_usage();
+			}
+			argc--;
+			argv++;
+			gotone = 1;
+		}
 	}
-    }
-
-    if (argv == NULL || *argv == NULL)
-	bb_show_usage();
-
-    run_command (argv, &res);
-    summarize (stderr, output_format, argv, &res);
-    fflush (stderr);
-
-    if (WIFSTOPPED (res.waitstatus))
-	exit (WSTOPSIG (res.waitstatus));
-    else if (WIFSIGNALED (res.waitstatus))
-	exit (WTERMSIG (res.waitstatus));
-    else if (WIFEXITED (res.waitstatus))
-	exit (WEXITSTATUS (res.waitstatus));
-    return 0;
+
+	if (argv == NULL || *argv == NULL)
+		bb_show_usage();
+
+	run_command(argv, &res);
+	summarize(stderr, output_format, argv, &res);
+	fflush(stderr);
+
+	if (WIFSTOPPED(res.waitstatus))
+		exit(WSTOPSIG(res.waitstatus));
+	else if (WIFSIGNALED(res.waitstatus))
+		exit(WTERMSIG(res.waitstatus));
+	else if (WIFEXITED(res.waitstatus))
+		exit(WEXITSTATUS(res.waitstatus));
+	return 0;
 }