Merge branch 'rs/date-mode-pass-by-value'

The codepaths that reach date_mode_from_type() have been updated to
pass "struct date_mode" by value to make them thread safe.

* rs/date-mode-pass-by-value:
  date: make DATE_MODE thread-safe
This commit is contained in:
Junio C Hamano 2024-04-16 14:50:28 -07:00
commit 107313eb11
12 changed files with 44 additions and 44 deletions

View File

@ -316,7 +316,7 @@ static const char *format_time(timestamp_t time, const char *tz_str,
size_t time_width;
int tz;
tz = atoi(tz_str);
time_str = show_date(time, tz, &blame_date_mode);
time_str = show_date(time, tz, blame_date_mode);
strbuf_addstr(&time_buf, time_str);
/*
* Add space paddings to time_buf to display a fixed width
@ -1029,7 +1029,7 @@ parse_done:
blame_date_width = sizeof("Thu Oct 19 16:00:04 2006 -0700");
break;
case DATE_STRFTIME:
blame_date_width = strlen(show_date(0, 0, &blame_date_mode)) + 1; /* add the null */
blame_date_width = strlen(show_date(0, 0, blame_date_mode)) + 1; /* add the null */
break;
}
blame_date_width -= 1; /* strip the null */

36
date.c
View File

@ -207,13 +207,13 @@ void show_date_relative(timestamp_t time, struct strbuf *timebuf)
(diff + 183) / 365);
}
struct date_mode *date_mode_from_type(enum date_mode_type type)
struct date_mode date_mode_from_type(enum date_mode_type type)
{
static struct date_mode mode = DATE_MODE_INIT;
struct date_mode mode = DATE_MODE_INIT;
if (type == DATE_STRFTIME)
BUG("cannot create anonymous strftime date_mode struct");
mode.type = type;
return &mode;
return mode;
}
static void show_date_normal(struct strbuf *buf, timestamp_t time, struct tm *tm, int tz, struct tm *human_tm, int human_tz, int local)
@ -283,7 +283,7 @@ static void show_date_normal(struct strbuf *buf, timestamp_t time, struct tm *tm
strbuf_addf(buf, " %+05d", tz);
}
const char *show_date(timestamp_t time, int tz, const struct date_mode *mode)
const char *show_date(timestamp_t time, int tz, struct date_mode mode)
{
struct tm *tm;
struct tm tmbuf = { 0 };
@ -291,13 +291,13 @@ const char *show_date(timestamp_t time, int tz, const struct date_mode *mode)
int human_tz = -1;
static struct strbuf timebuf = STRBUF_INIT;
if (mode->type == DATE_UNIX) {
if (mode.type == DATE_UNIX) {
strbuf_reset(&timebuf);
strbuf_addf(&timebuf, "%"PRItime, time);
return timebuf.buf;
}
if (mode->type == DATE_HUMAN) {
if (mode.type == DATE_HUMAN) {
struct timeval now;
get_time(&now);
@ -306,22 +306,22 @@ const char *show_date(timestamp_t time, int tz, const struct date_mode *mode)
human_tz = local_time_tzoffset(now.tv_sec, &human_tm);
}
if (mode->local)
if (mode.local)
tz = local_tzoffset(time);
if (mode->type == DATE_RAW) {
if (mode.type == DATE_RAW) {
strbuf_reset(&timebuf);
strbuf_addf(&timebuf, "%"PRItime" %+05d", time, tz);
return timebuf.buf;
}
if (mode->type == DATE_RELATIVE) {
if (mode.type == DATE_RELATIVE) {
strbuf_reset(&timebuf);
show_date_relative(time, &timebuf);
return timebuf.buf;
}
if (mode->local)
if (mode.local)
tm = time_to_tm_local(time, &tmbuf);
else
tm = time_to_tm(time, tz, &tmbuf);
@ -331,17 +331,17 @@ const char *show_date(timestamp_t time, int tz, const struct date_mode *mode)
}
strbuf_reset(&timebuf);
if (mode->type == DATE_SHORT)
if (mode.type == DATE_SHORT)
strbuf_addf(&timebuf, "%04d-%02d-%02d", tm->tm_year + 1900,
tm->tm_mon + 1, tm->tm_mday);
else if (mode->type == DATE_ISO8601)
else if (mode.type == DATE_ISO8601)
strbuf_addf(&timebuf, "%04d-%02d-%02d %02d:%02d:%02d %+05d",
tm->tm_year + 1900,
tm->tm_mon + 1,
tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec,
tz);
else if (mode->type == DATE_ISO8601_STRICT) {
else if (mode.type == DATE_ISO8601_STRICT) {
strbuf_addf(&timebuf, "%04d-%02d-%02dT%02d:%02d:%02d",
tm->tm_year + 1900,
tm->tm_mon + 1,
@ -354,16 +354,16 @@ const char *show_date(timestamp_t time, int tz, const struct date_mode *mode)
tz = abs(tz);
strbuf_addf(&timebuf, "%02d:%02d", tz / 100, tz % 100);
}
} else if (mode->type == DATE_RFC2822)
} else if (mode.type == DATE_RFC2822)
strbuf_addf(&timebuf, "%.3s, %d %.3s %d %02d:%02d:%02d %+05d",
weekday_names[tm->tm_wday], tm->tm_mday,
month_names[tm->tm_mon], tm->tm_year + 1900,
tm->tm_hour, tm->tm_min, tm->tm_sec, tz);
else if (mode->type == DATE_STRFTIME)
strbuf_addftime(&timebuf, mode->strftime_fmt, tm, tz,
!mode->local);
else if (mode.type == DATE_STRFTIME)
strbuf_addftime(&timebuf, mode.strftime_fmt, tm, tz,
!mode.local);
else
show_date_normal(&timebuf, time, tm, tz, &human_tm, human_tz, mode->local);
show_date_normal(&timebuf, time, tm, tz, &human_tm, human_tz, mode.local);
return timebuf.buf;
}

6
date.h
View File

@ -22,8 +22,8 @@ enum date_mode_type {
struct date_mode {
enum date_mode_type type;
const char *strftime_fmt;
int local;
const char *strftime_fmt;
};
#define DATE_MODE_INIT { \
@ -36,14 +36,14 @@ struct date_mode {
* show_date(t, tz, DATE_MODE(NORMAL));
*/
#define DATE_MODE(t) date_mode_from_type(DATE_##t)
struct date_mode *date_mode_from_type(enum date_mode_type type);
struct date_mode date_mode_from_type(enum date_mode_type type);
/**
* Format <'time', 'timezone'> into static memory according to 'mode'
* and return it. The mode is an initialized "struct date_mode"
* (usually from the DATE_MODE() macro).
*/
const char *show_date(timestamp_t time, int timezone, const struct date_mode *mode);
const char *show_date(timestamp_t time, int timezone, struct date_mode mode);
/**
* Parse a date format for later use with show_date().

View File

@ -483,7 +483,7 @@ static int verify_ssh_signed_buffer(struct signature_check *sigc,
if (sigc->payload_timestamp)
strbuf_addf(&verify_time, "-Overify-time=%s",
show_date(sigc->payload_timestamp, 0, &verify_date_mode));
show_date(sigc->payload_timestamp, 0, verify_date_mode));
/* Find the principal from the signers */
strvec_pushl(&ssh_keygen.args, fmt->program,

View File

@ -773,7 +773,7 @@ void show_log(struct rev_info *opt)
*/
show_reflog_message(opt->reflog_info,
opt->commit_format == CMIT_FMT_ONELINE,
&opt->date_mode,
opt->date_mode,
opt->date_mode_explicit);
if (opt->commit_format == CMIT_FMT_ONELINE)
return;

View File

@ -11,7 +11,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
int16_t tz;
timestamp_t ts;
enum date_mode_type dmtype;
struct date_mode *dm;
struct date_mode dm;
if (size <= 4)
/*
@ -40,10 +40,10 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
free(str);
dm = date_mode_from_type(dmtype);
dm->local = local;
dm.local = local;
show_date(ts, (int)tz, dm);
date_mode_release(dm);
date_mode_release(&dm);
return 0;
}

View File

@ -428,7 +428,7 @@ static void add_rfc2047(struct strbuf *sb, const char *line, size_t len,
}
const char *show_ident_date(const struct ident_split *ident,
const struct date_mode *mode)
struct date_mode mode)
{
timestamp_t date = 0;
long tz = 0;
@ -592,7 +592,7 @@ void pp_user_info(struct pretty_print_context *pp,
switch (pp->fmt) {
case CMIT_FMT_MEDIUM:
strbuf_addf(sb, "Date: %s\n",
show_ident_date(&ident, &pp->date_mode));
show_ident_date(&ident, pp->date_mode));
break;
case CMIT_FMT_EMAIL:
case CMIT_FMT_MBOXRD:
@ -601,7 +601,7 @@ void pp_user_info(struct pretty_print_context *pp,
break;
case CMIT_FMT_FULLER:
strbuf_addf(sb, "%sDate: %s\n", what,
show_ident_date(&ident, &pp->date_mode));
show_ident_date(&ident, pp->date_mode));
break;
default:
/* notin' */
@ -775,7 +775,7 @@ static int mailmap_name(const char **email, size_t *email_len,
static size_t format_person_part(struct strbuf *sb, char part,
const char *msg, int len,
const struct date_mode *dmode)
struct date_mode dmode)
{
/* currently all placeholders have same length */
const int placeholder_len = 2;
@ -1034,7 +1034,7 @@ static void rewrap_message_tail(struct strbuf *sb,
static int format_reflog_person(struct strbuf *sb,
char part,
struct reflog_walk_info *log,
const struct date_mode *dmode)
struct date_mode dmode)
{
const char *ident;
@ -1602,7 +1602,7 @@ static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */
if (c->pretty_ctx->reflog_info)
get_reflog_selector(sb,
c->pretty_ctx->reflog_info,
&c->pretty_ctx->date_mode,
c->pretty_ctx->date_mode,
c->pretty_ctx->date_mode_explicit,
(placeholder[1] == 'd'));
return 2;
@ -1617,7 +1617,7 @@ static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */
return format_reflog_person(sb,
placeholder[1],
c->pretty_ctx->reflog_info,
&c->pretty_ctx->date_mode);
c->pretty_ctx->date_mode);
}
return 0; /* unknown %g placeholder */
case 'N':
@ -1712,11 +1712,11 @@ static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */
case 'a': /* author ... */
return format_person_part(sb, placeholder[1],
msg + c->author.off, c->author.len,
&c->pretty_ctx->date_mode);
c->pretty_ctx->date_mode);
case 'c': /* committer ... */
return format_person_part(sb, placeholder[1],
msg + c->committer.off, c->committer.len,
&c->pretty_ctx->date_mode);
c->pretty_ctx->date_mode);
case 'e': /* encoding */
if (c->commit_encoding)
strbuf_addstr(sb, c->commit_encoding);

View File

@ -167,7 +167,7 @@ int format_set_trailers_options(struct process_trailer_options *opts,
* a well-known sentinel date if they appear bogus.
*/
const char *show_ident_date(const struct ident_split *id,
const struct date_mode *mode);
struct date_mode mode);
#endif /* PRETTY_H */

View File

@ -1627,7 +1627,7 @@ static void grab_date(const char *buf, struct atom_value *v, const char *atomnam
tz = strtol(zone, NULL, 10);
if ((tz == LONG_MIN || tz == LONG_MAX) && errno == ERANGE)
goto bad;
v->s = xstrdup(show_date(timestamp, tz, &date_mode));
v->s = xstrdup(show_date(timestamp, tz, date_mode));
v->value = timestamp;
date_mode_release(&date_mode);
return;

View File

@ -223,7 +223,7 @@ int add_reflog_for_walk(struct reflog_walk_info *info,
void get_reflog_selector(struct strbuf *sb,
struct reflog_walk_info *reflog_info,
const struct date_mode *dmode, int force_date,
struct date_mode dmode, int force_date,
int shorten)
{
struct commit_reflog *commit_reflog = reflog_info->last_commit_reflog;
@ -297,7 +297,7 @@ timestamp_t get_reflog_timestamp(struct reflog_walk_info *reflog_info)
}
void show_reflog_message(struct reflog_walk_info *reflog_info, int oneline,
const struct date_mode *dmode, int force_date)
struct date_mode dmode, int force_date)
{
if (reflog_info && reflog_info->last_commit_reflog) {
struct commit_reflog *commit_reflog = reflog_info->last_commit_reflog;

View File

@ -10,14 +10,14 @@ void reflog_walk_info_release(struct reflog_walk_info *info);
int add_reflog_for_walk(struct reflog_walk_info *info,
struct commit *commit, const char *name);
void show_reflog_message(struct reflog_walk_info *info, int,
const struct date_mode *, int force_date);
struct date_mode, int force_date);
void get_reflog_message(struct strbuf *sb,
struct reflog_walk_info *reflog_info);
const char *get_reflog_ident(struct reflog_walk_info *reflog_info);
timestamp_t get_reflog_timestamp(struct reflog_walk_info *reflog_info);
void get_reflog_selector(struct strbuf *sb,
struct reflog_walk_info *reflog_info,
const struct date_mode *dmode, int force_date,
struct date_mode dmode, int force_date,
int shorten);
int reflog_walk_empty(struct reflog_walk_info *walk);

View File

@ -52,7 +52,7 @@ static void show_dates(const char **argv, const char *format)
arg++;
tz = atoi(arg);
printf("%s -> %s\n", *argv, show_date(t, tz, &mode));
printf("%s -> %s\n", *argv, show_date(t, tz, mode));
}
date_mode_release(&mode);