*: make it easier to distinquish "struct tm", pointer to one, etc

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2010-01-09 19:10:49 +01:00
parent 0681137972
commit dc698bb038
13 changed files with 130 additions and 121 deletions

View File

@ -8,7 +8,8 @@
void FAST_FUNC header_verbose_list(const file_header_t *file_header)
{
struct tm *mtime = localtime(&(file_header->mtime));
struct tm tm_time;
struct tm *ptm = &tm_time; //localtime(&file_header->mtime);
#if ENABLE_FEATURE_TAR_UNAME_GNAME
char uid[sizeof(int)*3 + 2];
@ -16,6 +17,8 @@ void FAST_FUNC header_verbose_list(const file_header_t *file_header)
char *user;
char *group;
localtime_r(&file_header->mtime, ptm);
user = file_header->tar__uname;
if (user == NULL) {
sprintf(uid, "%u", (unsigned)file_header->uid);
@ -31,26 +34,31 @@ void FAST_FUNC header_verbose_list(const file_header_t *file_header)
user,
group,
file_header->size,
1900 + mtime->tm_year,
1 + mtime->tm_mon,
mtime->tm_mday,
mtime->tm_hour,
mtime->tm_min,
mtime->tm_sec,
1900 + ptm->tm_year,
1 + ptm->tm_mon,
ptm->tm_mday,
ptm->tm_hour,
ptm->tm_min,
ptm->tm_sec,
file_header->name);
#else /* !FEATURE_TAR_UNAME_GNAME */
localtime_r(&file_header->mtime, ptm);
printf("%s %u/%u %9"OFF_FMT"u %4u-%02u-%02u %02u:%02u:%02u %s",
bb_mode_string(file_header->mode),
(unsigned)file_header->uid,
(unsigned)file_header->gid,
file_header->size,
1900 + mtime->tm_year,
1 + mtime->tm_mon,
mtime->tm_mday,
mtime->tm_hour,
mtime->tm_min,
mtime->tm_sec,
1900 + ptm->tm_year,
1 + ptm->tm_mon,
ptm->tm_mday,
ptm->tm_hour,
ptm->tm_min,
ptm->tm_sec,
file_header->name);
#endif /* FEATURE_TAR_UNAME_GNAME */
if (file_header->link_target) {

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@ -145,13 +145,13 @@ int rpm_main(int argc, char **argv)
if (func & rpm_query_info) {
/* Do the nice printout */
time_t bdate_time;
struct tm *bdate;
struct tm *bdate_ptm;
char bdatestring[50];
printf("Name : %-29sRelocations: %s\n", rpm_getstr(TAG_NAME, 0), rpm_getstr(TAG_PREFIXS, 0) ? rpm_getstr(TAG_PREFIXS, 0) : "(not relocateable)");
printf("Version : %-34sVendor: %s\n", rpm_getstr(TAG_VERSION, 0), rpm_getstr(TAG_VENDOR, 0) ? rpm_getstr(TAG_VENDOR, 0) : "(none)");
bdate_time = rpm_getint(TAG_BUILDTIME, 0);
bdate = localtime((time_t *) &bdate_time);
strftime(bdatestring, 50, "%a %d %b %Y %T %Z", bdate);
bdate_ptm = localtime(&bdate_time);
strftime(bdatestring, 50, "%a %d %b %Y %T %Z", bdate_ptm);
printf("Release : %-30sBuild Date: %s\n", rpm_getstr(TAG_RELEASE, 0), bdatestring);
printf("Install date: %-30sBuild Host: %s\n", "(not installed)", rpm_getstr(TAG_BUILDHOST, 0));
printf("Group : %-30sSource RPM: %s\n", rpm_getstr(TAG_GROUP, 0), rpm_getstr(TAG_SOURCERPM, 0));

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@ -79,7 +79,6 @@ static char *build_row(char *p, unsigned *dp);
int cal_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int cal_main(int argc UNUSED_PARAM, char **argv)
{
struct tm *local_time;
struct tm zero_tm;
time_t now;
unsigned month, year, flags, i;
@ -94,11 +93,13 @@ int cal_main(int argc UNUSED_PARAM, char **argv)
argv += optind;
if (!argv[0]) {
struct tm *ptm;
time(&now);
local_time = localtime(&now);
year = local_time->tm_year + 1900;
ptm = localtime(&now);
year = ptm->tm_year + 1900;
if (!(flags & 2)) { /* no -y */
month = local_time->tm_mon + 1;
month = ptm->tm_mon + 1;
}
} else {
if (argv[1]) {

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@ -444,8 +444,8 @@ struct BUG_too_small {
};
void parse_datestr(const char *date_str, struct tm *tm_time) FAST_FUNC;
time_t validate_tm_time(const char *date_str, struct tm *tm_time) FAST_FUNC;
void parse_datestr(const char *date_str, struct tm *ptm) FAST_FUNC;
time_t validate_tm_time(const char *date_str, struct tm *ptm) FAST_FUNC;
int xsocket(int domain, int type, int protocol) FAST_FUNC;

View File

@ -13,8 +13,8 @@ PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
int rtc_adjtime_is_utc(void) FAST_FUNC;
int rtc_xopen(const char **default_rtc, int flags) FAST_FUNC;
void rtc_read_tm(struct tm *tm, int fd) FAST_FUNC;
time_t rtc_tm2time(struct tm *tm, int utc) FAST_FUNC;
void rtc_read_tm(struct tm *ptm, int fd) FAST_FUNC;
time_t rtc_tm2time(struct tm *ptm, int utc) FAST_FUNC;
/*

View File

@ -59,14 +59,14 @@ int FAST_FUNC rtc_xopen(const char **default_rtc, int flags)
return xopen(*default_rtc, flags);
}
void FAST_FUNC rtc_read_tm(struct tm *tm, int fd)
void FAST_FUNC rtc_read_tm(struct tm *ptm, int fd)
{
memset(tm, 0, sizeof(*tm));
xioctl(fd, RTC_RD_TIME, tm);
tm->tm_isdst = -1; /* "not known" */
memset(ptm, 0, sizeof(*ptm));
xioctl(fd, RTC_RD_TIME, ptm);
ptm->tm_isdst = -1; /* "not known" */
}
time_t FAST_FUNC rtc_tm2time(struct tm *tm, int utc)
time_t FAST_FUNC rtc_tm2time(struct tm *ptm, int utc)
{
char *oldtz = oldtz; /* for compiler */
time_t t;
@ -77,7 +77,7 @@ time_t FAST_FUNC rtc_tm2time(struct tm *tm, int utc)
tzset();
}
t = mktime(tm);
t = mktime(ptm);
if (utc) {
unsetenv("TZ");

View File

@ -8,51 +8,51 @@
*/
#include "libbb.h"
void FAST_FUNC parse_datestr(const char *date_str, struct tm *tm_time)
void FAST_FUNC parse_datestr(const char *date_str, struct tm *ptm)
{
char end = '\0';
const char *last_colon = strrchr(date_str, ':');
if (last_colon != NULL) {
/* Parse input and assign appropriately to tm_time */
/* Parse input and assign appropriately to ptm */
/* HH:MM */
if (sscanf(date_str, "%u:%u%c",
&tm_time->tm_hour,
&tm_time->tm_min,
&ptm->tm_hour,
&ptm->tm_min,
&end) >= 2) {
/* no adjustments needed */
} else
/* mm.dd-HH:MM */
if (sscanf(date_str, "%u.%u-%u:%u%c",
&tm_time->tm_mon, &tm_time->tm_mday,
&tm_time->tm_hour, &tm_time->tm_min,
&ptm->tm_mon, &ptm->tm_mday,
&ptm->tm_hour, &ptm->tm_min,
&end) >= 4) {
/* Adjust month from 1-12 to 0-11 */
tm_time->tm_mon -= 1;
ptm->tm_mon -= 1;
} else
/* yyyy.mm.dd-HH:MM */
if (sscanf(date_str, "%u.%u.%u-%u:%u%c", &tm_time->tm_year,
&tm_time->tm_mon, &tm_time->tm_mday,
&tm_time->tm_hour, &tm_time->tm_min,
if (sscanf(date_str, "%u.%u.%u-%u:%u%c", &ptm->tm_year,
&ptm->tm_mon, &ptm->tm_mday,
&ptm->tm_hour, &ptm->tm_min,
&end) >= 5) {
tm_time->tm_year -= 1900; /* Adjust years */
tm_time->tm_mon -= 1; /* Adjust month from 1-12 to 0-11 */
ptm->tm_year -= 1900; /* Adjust years */
ptm->tm_mon -= 1; /* Adjust month from 1-12 to 0-11 */
} else
/* yyyy-mm-dd HH:MM */
if (sscanf(date_str, "%u-%u-%u %u:%u%c", &tm_time->tm_year,
&tm_time->tm_mon, &tm_time->tm_mday,
&tm_time->tm_hour, &tm_time->tm_min,
if (sscanf(date_str, "%u-%u-%u %u:%u%c", &ptm->tm_year,
&ptm->tm_mon, &ptm->tm_mday,
&ptm->tm_hour, &ptm->tm_min,
&end) >= 5) {
tm_time->tm_year -= 1900; /* Adjust years */
tm_time->tm_mon -= 1; /* Adjust month from 1-12 to 0-11 */
ptm->tm_year -= 1900; /* Adjust years */
ptm->tm_mon -= 1; /* Adjust month from 1-12 to 0-11 */
//TODO: coreutils 6.9 also accepts "yyyy-mm-dd HH" (no minutes)
} else {
bb_error_msg_and_die(bb_msg_invalid_date, date_str);
}
if (end == ':') {
/* xxx:SS */
if (sscanf(last_colon + 1, "%u%c", &tm_time->tm_sec, &end) == 1)
if (sscanf(last_colon + 1, "%u%c", &ptm->tm_sec, &end) == 1)
end = '\0';
/* else end != NUL and we error out */
}
@ -75,60 +75,60 @@ void FAST_FUNC parse_datestr(const char *date_str, struct tm *tm_time)
/* MM[.SS] */
if (len == 2 && sscanf(date_str, "%2u%2u%2u%2u""%2u%c" + 12,
&tm_time->tm_min,
&ptm->tm_min,
&end) >= 1) {
} else
/* HHMM[.SS] */
if (len == 4 && sscanf(date_str, "%2u%2u%2u""%2u%2u%c" + 9,
&tm_time->tm_hour,
&tm_time->tm_min,
&ptm->tm_hour,
&ptm->tm_min,
&end) >= 2) {
} else
/* ddHHMM[.SS] */
if (len == 6 && sscanf(date_str, "%2u%2u""%2u%2u%2u%c" + 6,
&tm_time->tm_mday,
&tm_time->tm_hour,
&tm_time->tm_min,
&ptm->tm_mday,
&ptm->tm_hour,
&ptm->tm_min,
&end) >= 3) {
} else
/* mmddHHMM[.SS] */
if (len == 8 && sscanf(date_str, "%2u""%2u%2u%2u%2u%c" + 3,
&tm_time->tm_mon,
&tm_time->tm_mday,
&tm_time->tm_hour,
&tm_time->tm_min,
&ptm->tm_mon,
&ptm->tm_mday,
&ptm->tm_hour,
&ptm->tm_min,
&end) >= 4) {
/* Adjust month from 1-12 to 0-11 */
tm_time->tm_mon -= 1;
ptm->tm_mon -= 1;
} else
/* yymmddHHMM[.SS] */
if (len == 10 && sscanf(date_str, "%2u%2u%2u%2u%2u%c",
&tm_time->tm_year,
&tm_time->tm_mon,
&tm_time->tm_mday,
&tm_time->tm_hour,
&tm_time->tm_min,
&ptm->tm_year,
&ptm->tm_mon,
&ptm->tm_mday,
&ptm->tm_hour,
&ptm->tm_min,
&end) >= 5) {
/* Adjust month from 1-12 to 0-11 */
tm_time->tm_mon -= 1;
ptm->tm_mon -= 1;
} else
/* ccyymmddHHMM[.SS] */
if (len == 12 && sscanf(date_str, "%4u%2u%2u%2u%2u%c",
&tm_time->tm_year,
&tm_time->tm_mon,
&tm_time->tm_mday,
&tm_time->tm_hour,
&tm_time->tm_min,
&ptm->tm_year,
&ptm->tm_mon,
&ptm->tm_mday,
&ptm->tm_hour,
&ptm->tm_min,
&end) >= 5) {
tm_time->tm_year -= 1900; /* Adjust years */
tm_time->tm_mon -= 1; /* Adjust month from 1-12 to 0-11 */
ptm->tm_year -= 1900; /* Adjust years */
ptm->tm_mon -= 1; /* Adjust month from 1-12 to 0-11 */
} else {
bb_error_msg_and_die(bb_msg_invalid_date, date_str);
}
if (end == '.') {
/* xxx.SS */
if (sscanf(strchr(date_str, '.') + 1, "%u%c",
&tm_time->tm_sec, &end) == 1)
&ptm->tm_sec, &end) == 1)
end = '\0';
/* else end != NUL and we error out */
}
@ -138,9 +138,9 @@ void FAST_FUNC parse_datestr(const char *date_str, struct tm *tm_time)
}
}
time_t FAST_FUNC validate_tm_time(const char *date_str, struct tm *tm_time)
time_t FAST_FUNC validate_tm_time(const char *date_str, struct tm *ptm)
{
time_t t = mktime(tm_time);
time_t t = mktime(ptm);
if (t == (time_t) -1L) {
bb_error_msg_and_die(bb_msg_invalid_date, date_str);
}

View File

@ -654,14 +654,14 @@ static int TestJobs(time_t t1, time_t t2)
/* Find jobs > t1 and <= t2 */
for (t = t1 - t1 % 60; t <= t2; t += 60) {
struct tm *tp;
struct tm *ptm;
CronFile *file;
CronLine *line;
if (t <= t1)
continue;
tp = localtime(&t);
ptm = localtime(&t);
for (file = FileBase; file; file = file->cf_Next) {
if (DebugOpt)
crondlog(LVL5 "file %s:", file->cf_User);
@ -670,9 +670,9 @@ static int TestJobs(time_t t1, time_t t2)
for (line = file->cf_LineBase; line; line = line->cl_Next) {
if (DebugOpt)
crondlog(LVL5 " line %s", line->cl_Shell);
if (line->cl_Mins[tp->tm_min] && line->cl_Hrs[tp->tm_hour]
&& (line->cl_Days[tp->tm_mday] || line->cl_Dow[tp->tm_wday])
&& line->cl_Mons[tp->tm_mon]
if (line->cl_Mins[ptm->tm_min] && line->cl_Hrs[ptm->tm_hour]
&& (line->cl_Days[ptm->tm_mday] || line->cl_Dow[ptm->tm_wday])
&& line->cl_Mons[ptm->tm_mon]
) {
if (DebugOpt) {
crondlog(LVL5 " job: %d %s",

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@ -291,7 +291,7 @@ int main(int argc, char *argv[])
size_total = 0;
cdir = dir_list;
while (dir_list_count--) {
struct tm *tm;
struct tm *ptm;
if (S_ISDIR(cdir->dl_mode)) {
count_dirs++;
@ -316,12 +316,12 @@ int main(int argc, char *argv[])
fmt_ull(cdir->dl_size);
fmt_str("<td class=dt>");
tm = gmtime(&cdir->dl_mtime);
fmt_04u(1900 + tm->tm_year); *dst++ = '-';
fmt_02u(tm->tm_mon + 1); *dst++ = '-';
fmt_02u(tm->tm_mday); *dst++ = ' ';
fmt_02u(tm->tm_hour); *dst++ = ':';
fmt_02u(tm->tm_min); *dst++ = ':';
fmt_02u(tm->tm_sec);
fmt_04u(1900 + ptm->tm_year); *dst++ = '-';
fmt_02u(ptm->tm_mon + 1); *dst++ = '-';
fmt_02u(ptm->tm_mday); *dst++ = ' ';
fmt_02u(ptm->tm_hour); *dst++ = ':';
fmt_02u(ptm->tm_min); *dst++ = ':';
fmt_02u(ptm->tm_sec);
*dst++ = '\n';
odd = 1 - odd;

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@ -266,18 +266,18 @@ static char* wstrdup(const char *str)
/* NUL terminated */
static void fmt_time_human_30nul(char *s)
{
struct tm *t;
struct tm *ptm;
struct timeval tv;
gettimeofday(&tv, NULL);
t = gmtime(&(tv.tv_sec));
ptm = gmtime(&tv.tv_sec);
sprintf(s, "%04u-%02u-%02u_%02u:%02u:%02u.%06u000",
(unsigned)(1900 + t->tm_year),
(unsigned)(t->tm_mon + 1),
(unsigned)(t->tm_mday),
(unsigned)(t->tm_hour),
(unsigned)(t->tm_min),
(unsigned)(t->tm_sec),
(unsigned)(1900 + ptm->tm_year),
(unsigned)(ptm->tm_mon + 1),
(unsigned)(ptm->tm_mday),
(unsigned)(ptm->tm_hour),
(unsigned)(ptm->tm_min),
(unsigned)(ptm->tm_sec),
(unsigned)(tv.tv_usec)
);
/* 4+1 + 2+1 + 2+1 + 2+1 + 2+1 + 2+1 + 9 = */

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@ -37,20 +37,20 @@
#endif
static time_t read_rtc(const char **pp_rtcname, struct timeval *sys_tv, int utc)
{
struct tm tm;
struct tm tm_time;
int fd;
fd = rtc_xopen(pp_rtcname, O_RDONLY);
rtc_read_tm(&tm, fd);
rtc_read_tm(&tm_time, fd);
#if SHOW_HWCLOCK_DIFF
{
int before = tm.tm_sec;
int before = tm_time.tm_sec;
while (1) {
rtc_read_tm(&tm, fd);
rtc_read_tm(&tm_time, fd);
gettimeofday(sys_tv, NULL);
if (before != tm.tm_sec)
if (before != tm_time.tm_sec)
break;
}
}
@ -59,7 +59,7 @@ static time_t read_rtc(const char **pp_rtcname, struct timeval *sys_tv, int utc)
if (ENABLE_FEATURE_CLEAN_UP)
close(fd);
return rtc_tm2time(&tm, utc);
return rtc_tm2time(&tm_time, utc);
}
static void show_clock(const char **pp_rtcname, int utc)
@ -110,7 +110,7 @@ static void to_sys_clock(const char **pp_rtcname, int utc)
static void from_sys_clock(const char **pp_rtcname, int utc)
{
#define TWEAK_USEC 200
struct tm tm;
struct tm tm_time;
struct timeval tv;
unsigned adj = TWEAK_USEC;
int rtc = rtc_xopen(pp_rtcname, O_WRONLY);
@ -132,10 +132,10 @@ static void from_sys_clock(const char **pp_rtcname, int utc)
/* Prepare tm */
if (utc)
gmtime_r(&t, &tm); /* may read /etc/xxx (it takes time) */
gmtime_r(&t, &tm_time); /* may read /etc/xxx (it takes time) */
else
localtime_r(&t, &tm); /* same */
tm.tm_isdst = 0;
localtime_r(&t, &tm_time); /* same */
tm_time.tm_isdst = 0;
/* gmtime/localtime took some time, re-get cur time */
gettimeofday(&tv, NULL);
@ -166,7 +166,7 @@ static void from_sys_clock(const char **pp_rtcname, int utc)
usleep(rem_usec - adj);
}
xioctl(rtc, RTC_SET_TIME, &tm);
xioctl(rtc, RTC_SET_TIME, &tm_time);
/* Debug aid to find "good" TWEAK_USEC.
* Look for a value which makes tv_usec close to 999999 or 0.

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@ -538,16 +538,16 @@ int mkfs_vfat_main(int argc UNUSED_PARAM, char **argv)
// create dir entry for volume_label
struct msdos_dir_entry *de;
#if 0
struct tm tm;
struct tm tm_time;
uint16_t t, d;
#endif
de = (void*)buf;
strncpy(de->name, volume_label, sizeof(de->name));
STORE_LE(de->attr, ATTR_VOLUME);
#if 0
localtime_r(&create_time, &tm);
t = (tm.tm_sec >> 1) + (tm.tm_min << 5) + (tm.tm_hour << 11);
d = tm.tm_mday + ((tm.tm_mon+1) << 5) + ((tm.tm_year-80) << 9);
localtime_r(&create_time, &tm_time);
t = (tm_time.tm_sec >> 1) + (tm_time.tm_min << 5) + (tm_time.tm_hour << 11);
d = tm_time.tm_mday + ((tm_time.tm_mon+1) << 5) + ((tm_time.tm_year-80) << 9);
STORE_LE(de->time, t);
STORE_LE(de->date, d);
//STORE_LE(de->ctime_cs, 0);

View File

@ -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 *tm;
struct tm *ptm;
struct linux_rtc_wkalrm wake;
/* The wakeup time is in POSIX time (more or less UTC).
@ -63,14 +63,14 @@ static NOINLINE void setup_alarm(int fd, time_t *wakeup, time_t rtc_time)
* Else mode is local so the time given to the RTC
* will instead use the local time zone.
*/
tm = localtime(wakeup);
ptm = localtime(wakeup);
wake.time.tm_sec = tm->tm_sec;
wake.time.tm_min = tm->tm_min;
wake.time.tm_hour = tm->tm_hour;
wake.time.tm_mday = tm->tm_mday;
wake.time.tm_mon = tm->tm_mon;
wake.time.tm_year = tm->tm_year;
wake.time.tm_sec = ptm->tm_sec;
wake.time.tm_min = ptm->tm_min;
wake.time.tm_hour = ptm->tm_hour;
wake.time.tm_mday = ptm->tm_mday;
wake.time.tm_mon = ptm->tm_mon;
wake.time.tm_year = ptm->tm_year;
/* wday, yday, and isdst fields are unused by Linux */
wake.time.tm_wday = -1;
wake.time.tm_yday = -1;
@ -161,9 +161,9 @@ int rtcwake_main(int argc UNUSED_PARAM, char **argv)
/* relative or absolute alarm time, normalized to time_t */
sys_time = time(NULL);
{
struct tm tm;
rtc_read_tm(&tm, fd);
rtc_time = rtc_tm2time(&tm, utc);
struct tm tm_time;
rtc_read_tm(&tm_time, fd);
rtc_time = rtc_tm2time(&tm_time, utc);
}