diff options
Diffstat (limited to 'date.c')
| -rw-r--r-- | date.c | 76 |
1 files changed, 49 insertions, 27 deletions
@@ -74,6 +74,8 @@ static int local_tzoffset(unsigned long time) localtime_r(&t, &tm); t_local = tm_to_time_t(&tm); + if (t_local == -1) + return 0; /* error; just use +0000 */ if (t_local < t) { eastwest = -1; offset = t - t_local; @@ -166,6 +168,7 @@ struct date_mode *date_mode_from_type(enum date_mode_type type) if (type == DATE_STRFTIME) die("BUG: cannot create anonymous strftime date_mode struct"); mode.type = type; + mode.local = 0; return &mode; } @@ -174,6 +177,9 @@ const char *show_date(unsigned long time, int tz, const struct date_mode *mode) struct tm *tm; static struct strbuf timebuf = STRBUF_INIT; + if (mode->local) + tz = local_tzoffset(time); + if (mode->type == DATE_RAW) { strbuf_reset(&timebuf); strbuf_addf(&timebuf, "%lu %+05d", time, tz); @@ -189,9 +195,6 @@ const char *show_date(unsigned long time, int tz, const struct date_mode *mode) return timebuf.buf; } - if (mode->type == DATE_LOCAL) - tz = local_tzoffset(time); - tm = time_to_tm(time, tz); if (!tm) { tm = time_to_tm(0, 0); @@ -232,7 +235,7 @@ const char *show_date(unsigned long time, int tz, const struct date_mode *mode) tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec, tm->tm_year + 1900, - (mode->type == DATE_LOCAL) ? 0 : ' ', + mode->local ? 0 : ' ', tz); return timebuf.buf; } @@ -770,31 +773,50 @@ int parse_date(const char *date, struct strbuf *result) return 0; } +static enum date_mode_type parse_date_type(const char *format, const char **end) +{ + if (skip_prefix(format, "relative", end)) + return DATE_RELATIVE; + if (skip_prefix(format, "iso8601-strict", end) || + skip_prefix(format, "iso-strict", end)) + return DATE_ISO8601_STRICT; + if (skip_prefix(format, "iso8601", end) || + skip_prefix(format, "iso", end)) + return DATE_ISO8601; + if (skip_prefix(format, "rfc2822", end) || + skip_prefix(format, "rfc", end)) + return DATE_RFC2822; + if (skip_prefix(format, "short", end)) + return DATE_SHORT; + if (skip_prefix(format, "default", end)) + return DATE_NORMAL; + if (skip_prefix(format, "raw", end)) + return DATE_RAW; + if (skip_prefix(format, "format", end)) + return DATE_STRFTIME; + + die("unknown date format %s", format); +} + void parse_date_format(const char *format, struct date_mode *mode) { - if (!strcmp(format, "relative")) - mode->type = DATE_RELATIVE; - else if (!strcmp(format, "iso8601") || - !strcmp(format, "iso")) - mode->type = DATE_ISO8601; - else if (!strcmp(format, "iso8601-strict") || - !strcmp(format, "iso-strict")) - mode->type = DATE_ISO8601_STRICT; - else if (!strcmp(format, "rfc2822") || - !strcmp(format, "rfc")) - mode->type = DATE_RFC2822; - else if (!strcmp(format, "short")) - mode->type = DATE_SHORT; - else if (!strcmp(format, "local")) - mode->type = DATE_LOCAL; - else if (!strcmp(format, "default")) - mode->type = DATE_NORMAL; - else if (!strcmp(format, "raw")) - mode->type = DATE_RAW; - else if (skip_prefix(format, "format:", &format)) { - mode->type = DATE_STRFTIME; - mode->strftime_fmt = xstrdup(format); - } else + const char *p; + + /* historical alias */ + if (!strcmp(format, "local")) + format = "default-local"; + + mode->type = parse_date_type(format, &p); + mode->local = 0; + + if (skip_prefix(p, "-local", &p)) + mode->local = 1; + + if (mode->type == DATE_STRFTIME) { + if (!skip_prefix(p, ":", &p)) + die("date format missing colon separator: %s", format); + mode->strftime_fmt = xstrdup(p); + } else if (*p) die("unknown date format %s", format); } |