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Replace remaining gmtime, localtime by gmtime_r, localtime_r

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This allows removing of MinGW specific code and improves
reentrancy for POSIX hosts.

[Removed unused ret variable in qemu_get_timedate() to fix warning:
vl.c: In function ‘qemu_get_timedate’:
vl.c:451:16: error: variable ‘ret’ set but not used [-Werror=unused-but-set-variable]
-- Stefan Hajnoczi]

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Weil 2013-01-07 23:08:13 +01:00 committed by Stefan Hajnoczi
parent 68b891ec39
commit eb7ff6fb0b
4 changed files with 4 additions and 21 deletions
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10
block.c
View File

@ -3338,11 +3338,7 @@ char *get_human_readable_size(char *buf, int buf_size, int64_t size)
char *bdrv_snapshot_dump(char *buf, int buf_size, QEMUSnapshotInfo *sn)
{
char buf1[128], date_buf[128], clock_buf[128];
#ifdef _WIN32
struct tm *ptm;
#else
struct tm tm;
#endif
time_t ti;
int64_t secs;
@ -3352,15 +3348,9 @@ char *bdrv_snapshot_dump(char *buf, int buf_size, QEMUSnapshotInfo *sn)
"ID", "TAG", "VM SIZE", "DATE", "VM CLOCK");
} else {
ti = sn->date_sec;
#ifdef _WIN32
ptm = localtime(&ti);
strftime(date_buf, sizeof(date_buf),
"%Y-%m-%d %H:%M:%S", ptm);
#else
localtime_r(&ti, &tm);
strftime(date_buf, sizeof(date_buf),
"%Y-%m-%d %H:%M:%S", &tm);
#endif
secs = sn->vm_clock_nsec / 1000000000;
snprintf(clock_buf, sizeof(clock_buf),
"%02d:%02d:%02d.%03d",

4
block/vvfat.c
View File

@ -529,13 +529,9 @@ static inline uint8_t fat_chksum(const direntry_t* entry)
/* if return_time==0, this returns the fat_date, else the fat_time */
static uint16_t fat_datetime(time_t time,int return_time) {
struct tm* t;
#ifdef _WIN32
t=localtime(&time); /* this is not thread safe */
#else
struct tm t1;
t = &t1;
localtime_r(&time,t);
#endif
if(return_time)
return cpu_to_le16((t->tm_sec/2)|(t->tm_min<<5)|(t->tm_hour<<11));
return cpu_to_le16((t->tm_mday)|((t->tm_mon+1)<<5)|((t->tm_year-80)<<9));

2
hw/omap1.c
View File

@ -2830,7 +2830,7 @@ static void omap_rtc_tick(void *opaque)
s->round = 0;
}
memcpy(&s->current_tm, localtime(&s->ti), sizeof(s->current_tm));
localtime_r(&s->ti, &s->current_tm);
if ((s->interrupts & 0x08) && s->ti == s->alarm_ti) {
s->status |= 0x40;

9
vl.c
View File

@ -448,21 +448,18 @@ StatusInfo *qmp_query_status(Error **errp)
void qemu_get_timedate(struct tm *tm, int offset)
{
time_t ti;
struct tm *ret;
time(&ti);
ti += offset;
if (rtc_date_offset == -1) {
if (rtc_utc)
ret = gmtime(&ti);
gmtime_r(&ti, tm);
else
ret = localtime(&ti);
localtime_r(&ti, tm);
} else {
ti -= rtc_date_offset;
ret = gmtime(&ti);
gmtime_r(&ti, tm);
}
memcpy(tm, ret, sizeof(struct tm));
}
int qemu_timedate_diff(struct tm *tm)