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mirror of https://github.com/weechat/weechat.git synced 2026-07-01 23:36:37 +02:00

api: fix parsing of date/times with timezone offset in function util_parse_time

This commit is contained in:
Sébastien Helleu
2025-08-30 18:42:50 +02:00
parent 7980a6d100
commit 5acbfe9b7d
3 changed files with 99 additions and 142 deletions
+47 -90
View File
@@ -349,8 +349,8 @@ util_strftimeval (char *string, int max, const char *format, struct timeval *tv)
int
util_parse_time (const char *datetime, struct timeval *tv)
{
char *string, *pos, *pos2, *pos_colon, *pos_hyphen, str_usec[16], *error;
char str_date[128], str_date2[256];
char *string, *pos, *pos2, *pos_colon, *pos_hyphen, *pos_dot;
char str_usec[16], *error, str_date[128], str_date2[256];
struct tm tm_date, tm_date_gm, tm_date_local, *local_time;
time_t time_now, time_gm, time_local;
long long value;
@@ -370,6 +370,7 @@ util_parse_time (const char *datetime, struct timeval *tv)
pos_colon = strchr (datetime, ':');
pos_hyphen = strchr (datetime, '-');
pos_dot = strchr (datetime, '.');
if (pos_colon && !pos_hyphen)
{
/* add current date: "21:01:02" -> "2024-01-04T21:01:02" */
@@ -381,7 +382,7 @@ util_parse_time (const char *datetime, struct timeval *tv)
strftime (str_date, sizeof (str_date), "%Y-%m-%dT", local_time);
snprintf (string, sizeof (str_date2), "%s%s", str_date, datetime);
}
else if (!pos_colon && pos_hyphen)
else if (!pos_colon && pos_hyphen && (!pos_dot || (pos_hyphen < pos_dot)))
{
/* add time (midnight): "2024-01-04" -> "2024-01-04T00:00:00" */
string = malloc (strlen (datetime) + 16 + 1);
@@ -436,7 +437,7 @@ util_parse_time (const char *datetime, struct timeval *tv)
memmove (pos, pos2, strlen (pos2) + 1);
}
/* extract timezone and remove it from string2 */
/* extract timezone and remove it from string */
pos = strrchr (string, 'Z');
if (pos)
{
@@ -451,7 +452,7 @@ util_parse_time (const char *datetime, struct timeval *tv)
pos = strchr (string, ' ');
if (pos)
{
pos2 = strchr (pos, '+');
pos2 = strrchr (pos, '+');
if (pos2)
{
pos2[0] = '\0';
@@ -460,7 +461,7 @@ util_parse_time (const char *datetime, struct timeval *tv)
}
else
{
pos2 = strchr (pos, '-');
pos2 = strrchr (pos, '-');
if (pos2)
{
pos2[0] = '\0';
@@ -491,109 +492,65 @@ util_parse_time (const char *datetime, struct timeval *tv)
}
}
if (strchr (string, '-'))
if (strchr (string, '-') && strchr (string, ':'))
{
if (strchr (string, ':'))
if (strchr (string, 'T'))
{
if (strchr (string, 'T'))
/* ISO 8601 format like: "2024-01-04T21:01:02" */
/* initialize structure, because strptime does not do it */
memset (&tm_date, 0, sizeof (struct tm));
pos = strptime (string, "%Y-%m-%dT%H:%M:%S", &tm_date);
if (pos && (tm_date.tm_year > 0))
{
/* ISO 8601 format like: "2024-01-04T21:01:02.123Z" */
/* initialize structure, because strptime does not do it */
memset (&tm_date, 0, sizeof (struct tm));
pos = strptime (string, "%Y-%m-%dT%H:%M:%S", &tm_date);
if (pos && (tm_date.tm_year > 0))
if (use_local_time)
{
if (use_local_time)
{
tv->tv_sec = mktime (&tm_date);
}
else
{
/* convert to UTC and add timezone_offset */
time_now = mktime (&tm_date);
gmtime_r (&time_now, &tm_date_gm);
localtime_r (&time_now, &tm_date_local);
time_gm = mktime (&tm_date_gm);
time_local = mktime (&tm_date_local);
tv->tv_sec = mktime (&tm_date_local)
+ (time_local - time_gm)
+ timezone_offset;
}
rc = 1;
tm_date.tm_isdst = -1;
tv->tv_sec = mktime (&tm_date);
}
}
else
{
/* like ISO 8601 but with space like: "2024-01-04 21:01:02.123Z" */
/* initialize structure, because strptime does not do it */
memset (&tm_date, 0, sizeof (struct tm));
pos = strptime (string, "%Y-%m-%d %H:%M:%S", &tm_date);
if (pos && (tm_date.tm_year > 0))
else
{
if (use_local_time)
{
tv->tv_sec = mktime (&tm_date);
}
else
{
/* convert to UTC and add timezone_offset */
time_now = mktime (&tm_date);
gmtime_r (&time_now, &tm_date_gm);
localtime_r (&time_now, &tm_date_local);
time_gm = mktime (&tm_date_gm);
time_local = mktime (&tm_date_local);
tv->tv_sec = mktime (&tm_date_local)
+ (time_local - time_gm)
+ timezone_offset;
}
rc = 1;
/* convert to UTC and add timezone_offset */
time_now = mktime (&tm_date);
gmtime_r (&time_now, &tm_date_gm);
localtime_r (&time_now, &tm_date_local);
time_gm = mktime (&tm_date_gm);
time_local = mktime (&tm_date_local);
tv->tv_sec = mktime (&tm_date_local)
+ (time_local - time_gm)
- timezone_offset;
}
rc = 1;
}
}
else
{
/* ISO 8601 format like: "2024-01-04" */
/* like ISO 8601 but with space like: "2024-01-04 21:01:02" */
/* initialize structure, because strptime does not do it */
memset (&tm_date, 0, sizeof (struct tm));
pos = strptime (string, "%Y-%m-%d", &tm_date);
pos = strptime (string, "%Y-%m-%d %H:%M:%S", &tm_date);
if (pos && (tm_date.tm_year > 0))
{
tv->tv_sec = mktime (&tm_date);
if (use_local_time)
{
tm_date.tm_isdst = -1;
tv->tv_sec = mktime (&tm_date);
}
else
{
/* convert to UTC and add timezone_offset */
time_now = mktime (&tm_date);
gmtime_r (&time_now, &tm_date_gm);
localtime_r (&time_now, &tm_date_local);
time_gm = mktime (&tm_date_gm);
time_local = mktime (&tm_date_local);
tv->tv_sec = mktime (&tm_date_local)
+ (time_local - time_gm)
- timezone_offset;
}
rc = 1;
}
}
}
else if (strchr (string, ':'))
{
/* hour format like: "21:01:02" */
time_now = time (NULL);
local_time = localtime (&time_now);
strftime (str_date, sizeof (str_date), "%Y-%m-%dT", local_time);
snprintf (str_date2, sizeof (str_date2), "%s%s", str_date, string);
/* initialize structure, because strptime does not do it */
memset (&tm_date, 0, sizeof (struct tm));
pos = strptime (str_date2, "%Y-%m-%dT%H:%M:%S", &tm_date);
if (pos)
{
if (use_local_time)
{
tv->tv_sec = mktime (&tm_date);
}
else
{
/* convert to UTC and add timezone_offset */
time_now = mktime (&tm_date);
gmtime_r (&time_now, &tm_date_gm);
localtime_r (&time_now, &tm_date_local);
time_gm = mktime (&tm_date_gm);
time_local = mktime (&tm_date_local);
tv->tv_sec = mktime (&tm_date_local)
+ (time_local - time_gm)
+ timezone_offset;
}
rc = 1;
}
}
else
{
/* timestamp format: "1704402062" */