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- use RESERVE_CONFIG_BUFFER and a bit of whitespace-cleanup. defconfig:

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text	   data	    bss	    dec	    hex	filename
   1307	      0	      0	   1307	    51b	util-linux/hwclock.o.oorig
   1255	      0	      0	   1255	    4e7	util-linux/hwclock.o
This commit is contained in:
Bernhard Reutner-Fischer 2006-03-31 22:36:15 +00:00
parent 81901a096c
commit 5cf905a871
1 changed files with 10 additions and 21 deletions
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31
util-linux/hwclock.c
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@ -4,20 +4,7 @@
*
* Copyright (C) 2002 Robert Griebl <griebl@gmx.de>
*
* 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 of the License, 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.
*/
@ -70,7 +57,7 @@ static time_t read_rtc(int utc)
memset ( &tm, 0, sizeof( struct tm ));
if ( ioctl ( rtc, RTC_RD_TIME, &tm ) < 0 )
bb_perror_msg_and_die ( "Could not read time from RTC" );
tm. tm_isdst = -1; // not known
tm.tm_isdst = -1; /* not known */
close ( rtc );
@ -103,7 +90,7 @@ static void write_rtc(time_t t, int utc)
}
tm = *( utc ? gmtime ( &t ) : localtime ( &t ));
tm. tm_isdst = 0;
tm.tm_isdst = 0;
if ( ioctl ( rtc, RTC_SET_TIME, &tm ) < 0 )
bb_perror_msg_and_die ( "Could not set the RTC time" );
@ -115,17 +102,18 @@ static int show_clock(int utc)
{
struct tm *ptm;
time_t t;
char buffer [64];
RESERVE_CONFIG_BUFFER(buffer, 64);
t = read_rtc ( utc );
ptm = localtime ( &t ); /* Sets 'tzname[]' */
safe_strncpy ( buffer, ctime ( &t ), sizeof( buffer ));
safe_strncpy ( buffer, ctime ( &t ), 64);
if ( buffer [0] )
buffer [bb_strlen ( buffer ) - 1] = 0;
//printf ( "%s %.6f seconds %s\n", buffer, 0.0, utc ? "" : ( ptm-> tm_isdst ? tzname [1] : tzname [0] ));
printf ( "%s %.6f seconds\n", buffer, 0.0 );
RELEASE_CONFIG_BUFFER(buffer);
return 0;
}
@ -135,7 +123,7 @@ static int to_sys_clock(int utc)
struct timeval tv = { 0, 0 };
const struct timezone tz = { timezone/60 - 60*daylight, 0 };
tv. tv_sec = read_rtc ( utc );
tv.tv_sec = read_rtc ( utc );
if ( settimeofday ( &tv, &tz ))
bb_perror_msg_and_die ( "settimeofday() failed" );
@ -151,7 +139,7 @@ static int from_sys_clock(int utc)
if ( gettimeofday ( &tv, &tz ))
bb_perror_msg_and_die ( "gettimeofday() failed" );
write_rtc ( tv. tv_sec, utc );
write_rtc ( tv.tv_sec, utc );
return 0;
}
@ -166,7 +154,7 @@ static int check_utc(void)
FILE *f = fopen ( ADJTIME_PATH, "r" );
if ( f ) {
char buffer [128];
RESERVE_CONFIG_BUFFER(buffer, 128);
while ( fgets ( buffer, sizeof( buffer ), f )) {
int len = bb_strlen ( buffer );
@ -182,6 +170,7 @@ static int check_utc(void)
}
}
fclose ( f );
RELEASE_CONFIG_BUFFER(buffer);
}
return utc;
}