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Diffstat (limited to 'util-linux')
-rw-r--r--util-linux/hwclock.c131
-rw-r--r--util-linux/readprofile.c49
-rw-r--r--util-linux/switch_root.c14
3 files changed, 95 insertions, 99 deletions
diff --git a/util-linux/hwclock.c b/util-linux/hwclock.c
index 1aff87c11..3a087725e 100644
--- a/util-linux/hwclock.c
+++ b/util-linux/hwclock.c
@@ -10,14 +10,7 @@
#include <sys/ioctl.h>
#include <sys/utsname.h>
-#include <ctype.h>
-#include <fcntl.h>
#include <getopt.h>
-#include <stdlib.h>
-#include <string.h>
-#include <syslog.h>
-#include <time.h>
-#include <unistd.h>
#include "busybox.h"
/* Copied from linux/rtc.h to eliminate the kernel dependency */
@@ -42,59 +35,62 @@ struct linux_rtc_time {
# endif
#endif
-static time_t read_rtc(int utc)
+static int xopen_rtc(int flags)
{
int rtc;
+ rtc = open("/dev/rtc", flags);
+ if (rtc < 0) {
+ rtc = open("/dev/misc/rtc", flags);
+ if (rtc < 0)
+ bb_perror_msg_and_die("cannot access RTC");
+ }
+ return rtc;
+}
+
+static time_t read_rtc(int utc)
+{
struct tm tm;
char *oldtz = 0;
time_t t = 0;
+ int rtc = xopen_rtc(O_RDONLY);
- if (( rtc = open ( "/dev/rtc", O_RDONLY )) < 0 ) {
- if (( rtc = open ( "/dev/misc/rtc", O_RDONLY )) < 0 )
- bb_perror_msg_and_die ( "cannot access RTC" );
- }
- memset ( &tm, 0, sizeof( struct tm ));
- if ( ioctl ( rtc, RTC_RD_TIME, &tm ) < 0 )
- bb_perror_msg_and_die ( "cannot read time from RTC" );
+ memset(&tm, 0, sizeof(struct tm));
+ if (ioctl(rtc, RTC_RD_TIME, &tm) < 0 )
+ bb_perror_msg_and_die("cannot read time from RTC");
tm.tm_isdst = -1; /* not known */
- close ( rtc );
+ close(rtc);
- if ( utc ) {
- oldtz = getenv ( "TZ" );
- setenv ( "TZ", "UTC 0", 1 );
- tzset ( );
+ if (utc) {
+ oldtz = getenv("TZ");
+ setenv("TZ", "UTC 0", 1);
+ tzset();
}
- t = mktime ( &tm );
+ t = mktime(&tm);
- if ( utc ) {
- if ( oldtz )
- setenv ( "TZ", oldtz, 1 );
+ if (utc) {
+ if (oldtz)
+ setenv("TZ", oldtz, 1);
else
- unsetenv ( "TZ" );
- tzset ( );
+ unsetenv("TZ");
+ tzset();
}
return t;
}
static void write_rtc(time_t t, int utc)
{
- int rtc;
struct tm tm;
+ int rtc = xopen_rtc(O_WRONLY);
- if (( rtc = open ( "/dev/rtc", O_WRONLY )) < 0 ) {
- if (( rtc = open ( "/dev/misc/rtc", O_WRONLY )) < 0 )
- bb_perror_msg_and_die ( "cannot access RTC" );
- }
-
- tm = *( utc ? gmtime ( &t ) : localtime ( &t ));
+ tm = *(utc ? gmtime(&t) : localtime(&t));
tm.tm_isdst = 0;
- if ( ioctl ( rtc, RTC_SET_TIME, &tm ) < 0 )
- bb_perror_msg_and_die ( "cannot set the RTC time" );
+ if (ioctl(rtc, RTC_SET_TIME, &tm) < 0)
+ bb_perror_msg_and_die("cannot set the RTC time");
- close ( rtc );
+ close(rtc);
}
static int show_clock(int utc)
@@ -103,15 +99,15 @@ static int show_clock(int utc)
time_t t;
RESERVE_CONFIG_BUFFER(buffer, 64);
- t = read_rtc ( utc );
- ptm = localtime ( &t ); /* Sets 'tzname[]' */
+ t = read_rtc(utc);
+ ptm = localtime(&t); /* Sets 'tzname[]' */
- safe_strncpy ( buffer, ctime ( &t ), 64);
- if ( buffer [0] )
- buffer [strlen ( buffer ) - 1] = 0;
+ safe_strncpy(buffer, ctime(&t), 64);
+ if (buffer[0])
+ buffer[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 );
+ //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;
@@ -122,10 +118,10 @@ 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" );
+ if (settimeofday(&tv, &tz))
+ bb_perror_msg_and_die("settimeofday() failed");
return 0;
}
@@ -135,10 +131,10 @@ static int from_sys_clock(int utc)
struct timeval tv = { 0, 0 };
struct timezone tz = { 0, 0 };
- if ( gettimeofday ( &tv, &tz ))
- bb_perror_msg_and_die ( "gettimeofday() failed" );
+ 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;
}
@@ -150,43 +146,43 @@ static int from_sys_clock(int utc)
static int check_utc(void)
{
int utc = 0;
- FILE *f = fopen ( ADJTIME_PATH, "r" );
+ FILE *f = fopen(ADJTIME_PATH, "r");
- if ( f ) {
+ if (f) {
RESERVE_CONFIG_BUFFER(buffer, 128);
- while ( fgets ( buffer, sizeof( buffer ), f )) {
- int len = strlen ( buffer );
+ while (fgets(buffer, sizeof(buffer), f)) {
+ int len = strlen(buffer);
- while ( len && isspace ( buffer [len - 1] ))
+ while (len && isspace(buffer[len - 1]))
len--;
- buffer [len] = 0;
+ buffer[len] = 0;
- if ( strncmp ( buffer, "UTC", 3 ) == 0 ) {
+ if (strncmp(buffer, "UTC", 3) == 0 ) {
utc = 1;
break;
}
}
- fclose ( f );
+ fclose(f);
RELEASE_CONFIG_BUFFER(buffer);
}
return utc;
}
-#define HWCLOCK_OPT_LOCALTIME 0x01
-#define HWCLOCK_OPT_UTC 0x02
-#define HWCLOCK_OPT_SHOW 0x04
-#define HWCLOCK_OPT_HCTOSYS 0x08
-#define HWCLOCK_OPT_SYSTOHC 0x10
+#define HWCLOCK_OPT_LOCALTIME 0x01
+#define HWCLOCK_OPT_UTC 0x02
+#define HWCLOCK_OPT_SHOW 0x04
+#define HWCLOCK_OPT_HCTOSYS 0x08
+#define HWCLOCK_OPT_SYSTOHC 0x10
-int hwclock_main ( int argc, char **argv )
+int hwclock_main(int argc, char **argv )
{
unsigned opt;
int utc;
#if ENABLE_FEATURE_HWCLOCK_LONG_OPTIONS
-static const struct option hwclock_long_options[] = {
+ static const struct option hwclock_long_options[] = {
{ "localtime", 0, 0, 'l' },
{ "utc", 0, 0, 'u' },
{ "show", 0, 0, 'r' },
@@ -196,7 +192,6 @@ static const struct option hwclock_long_options[] = {
};
applet_long_options = hwclock_long_options;
#endif
-
opt_complementary = "?:r--ws:w--rs:s--wr:l--u:u--l";
opt = getopt32(argc, argv, "lursw");
@@ -207,12 +202,12 @@ static const struct option hwclock_long_options[] = {
utc = check_utc();
if (opt & HWCLOCK_OPT_HCTOSYS) {
- return to_sys_clock ( utc );
+ return to_sys_clock(utc);
}
else if (opt & HWCLOCK_OPT_SYSTOHC) {
- return from_sys_clock ( utc );
+ return from_sys_clock(utc);
} else {
/* default HWCLOCK_OPT_SHOW */
- return show_clock ( utc );
+ return show_clock(utc);
}
}
diff --git a/util-linux/readprofile.c b/util-linux/readprofile.c
index e635f6bf3..dd810f021 100644
--- a/util-linux/readprofile.c
+++ b/util-linux/readprofile.c
@@ -44,19 +44,20 @@ static const char defaultpro[] = "/proc/profile";
int readprofile_main(int argc, char **argv)
{
FILE *map;
- const char *mapFile, *proFile, *mult=0;
- unsigned long indx=1;
+ const char *mapFile, *proFile, *mult = 0;
+ unsigned long indx = 1;
size_t len;
- uint64_t add0=0;
+ uint64_t add0 = 0;
unsigned int step;
unsigned int *buf, total, fn_len;
unsigned long long fn_add, next_add; /* current and next address */
char fn_name[S_LEN], next_name[S_LEN]; /* current and next name */
- char mode[8];
- int optAll=0, optInfo=0, optReset=0, optVerbose=0, optNative=0;
- int optBins=0, optSub=0;
char mapline[S_LEN];
- int maplineno=1;
+ char mode[8];
+ int optAll = 0, optInfo = 0, optReset = 0;
+ int optVerbose = 0, optNative = 0;
+ int optBins = 0, optSub = 0;
+ int maplineno = 1;
int header_printed;
#define next (current^1)
@@ -85,9 +86,9 @@ int readprofile_main(int argc, char **argv)
to_write = 1; /* sth different from sizeof(int) */
}
- fd = xopen(defaultpro,O_WRONLY);
+ fd = xopen(defaultpro, O_WRONLY);
- if (write(fd, &multiplier, to_write) != to_write)
+ if (full_write(fd, &multiplier, to_write) != to_write)
bb_perror_msg_and_die("error writing %s", defaultpro);
close(fd);
@@ -101,7 +102,7 @@ int readprofile_main(int argc, char **argv)
buf = xmalloc_open_read_close(proFile, &len);
if (!optNative) {
int entries = len/sizeof(*buf);
- int big = 0,small = 0,i;
+ int big = 0, small = 0, i;
unsigned *p;
for (p = buf+1; p < buf+entries; p++) {
@@ -135,12 +136,12 @@ int readprofile_main(int argc, char **argv)
map = xfopen(mapFile, "r");
- while (fgets(mapline,S_LEN,map)) {
- if (sscanf(mapline,"%llx %s %s",&fn_add,mode,fn_name) != 3)
+ while (fgets(mapline, S_LEN, map)) {
+ if (sscanf(mapline, "%llx %s %s", &fn_add, mode, fn_name) != 3)
bb_error_msg_and_die("%s(%i): wrong map line",
mapFile, maplineno);
- if (!strcmp(fn_name,"_stext")) /* only elf works like this */ {
+ if (!strcmp(fn_name, "_stext")) /* only elf works like this */ {
add0 = fn_add;
break;
}
@@ -153,12 +154,12 @@ int readprofile_main(int argc, char **argv)
/*
* Main loop.
*/
- while (fgets(mapline,S_LEN,map)) {
+ while (fgets(mapline, S_LEN, map)) {
unsigned int this = 0;
- if (sscanf(mapline,"%llx %s %s",&next_add,mode,next_name) != 3)
+ if (sscanf(mapline, "%llx %s %s", &next_add, mode, next_name) != 3)
bb_error_msg_and_die("%s(%i): wrong map line",
- mapFile, maplineno);
+ mapFile, maplineno);
header_printed = 0;
@@ -176,10 +177,10 @@ int readprofile_main(int argc, char **argv)
while (indx < (next_add-add0)/step) {
if (optBins && (buf[indx] || optAll)) {
if (!header_printed) {
- printf ("%s:\n", fn_name);
+ printf("%s:\n", fn_name);
header_printed = 1;
}
- printf ("\t%"PRIx64"\t%u\n", (indx - 1)*step + add0, buf[indx]);
+ printf("\t%"PRIx64"\t%u\n", (indx - 1)*step + add0, buf[indx]);
}
this += buf[indx++];
}
@@ -187,15 +188,15 @@ int readprofile_main(int argc, char **argv)
if (optBins) {
if (optVerbose || this > 0)
- printf (" total\t\t\t\t%u\n", this);
+ printf(" total\t\t\t\t%u\n", this);
} else if ((this || optAll) &&
(fn_len = next_add-fn_add) != 0) {
if (optVerbose)
printf("%016llx %-40s %6i %8.4f\n", fn_add,
- fn_name,this,this/(double)fn_len);
+ fn_name, this, this/(double)fn_len);
else
printf("%6i %-40s %8.4f\n",
- this,fn_name,this/(double)fn_len);
+ this, fn_name, this/(double)fn_len);
if (optSub) {
unsigned long long scan;
@@ -212,7 +213,7 @@ int readprofile_main(int argc, char **argv)
}
fn_add = next_add;
- strcpy(fn_name,next_name);
+ strcpy(fn_name, next_name);
maplineno++;
}
@@ -223,10 +224,10 @@ int readprofile_main(int argc, char **argv)
/* trailer */
if (optVerbose)
printf("%016x %-40s %6i %8.4f\n",
- 0,"total",total,total/(double)(fn_add-add0));
+ 0, "total", total, total/(double)(fn_add-add0));
else
printf("%6i %-40s %8.4f\n",
- total,"total",total/(double)(fn_add-add0));
+ total, "total", total/(double)(fn_add-add0));
fclose(map);
free(buf);
diff --git a/util-linux/switch_root.c b/util-linux/switch_root.c
index 45290c942..4c23f69da 100644
--- a/util-linux/switch_root.c
+++ b/util-linux/switch_root.c
@@ -35,7 +35,7 @@ static void delete_contents(char *directory)
struct stat st;
// Don't descend into other filesystems
- if (lstat(directory,&st) || st.st_dev != rootdev) return;
+ if (lstat(directory, &st) || st.st_dev != rootdev) return;
// Recursively delete the contents of directories.
if (S_ISDIR(st.st_mode)) {
@@ -71,8 +71,8 @@ int switch_root_main(int argc, char *argv[])
// Parse args (-c console)
- opt_complementary="-2";
- getopt32(argc,argv,"c:",&console);
+ opt_complementary = "-2";
+ getopt32(argc, argv, "c:", &console);
// Change to new root directory and verify it's a different fs.
@@ -81,7 +81,7 @@ int switch_root_main(int argc, char *argv[])
if (chdir(newroot) || lstat(".", &st1) || lstat("/", &st2) ||
st1.st_dev == st2.st_dev)
{
- bb_error_msg_and_die("bad newroot %s",newroot);
+ bb_error_msg_and_die("bad newroot %s", newroot);
}
rootdev=st2.st_dev;
@@ -111,12 +111,12 @@ int switch_root_main(int argc, char *argv[])
if (console) {
close(0);
if(open(console, O_RDWR) < 0)
- bb_error_msg_and_die("bad console '%s'",console);
+ bb_error_msg_and_die("bad console '%s'", console);
dup2(0, 1);
dup2(0, 2);
}
// Exec real init. (This is why we must be pid 1.)
- execv(argv[optind],argv+optind);
- bb_error_msg_and_die("bad init '%s'",argv[optind]);
+ execv(argv[optind], argv+optind);
+ bb_error_msg_and_die("bad init '%s'", argv[optind]);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 20:30:04 +0000