diff options
Diffstat (limited to 'date.c')
| -rw-r--r-- | date.c | 53 |
1 files changed, 46 insertions, 7 deletions
@@ -89,6 +89,11 @@ const char *show_date(unsigned long time, int tz, enum date_mode mode) struct tm *tm; static char timebuf[200]; + if (mode == DATE_RAW) { + snprintf(timebuf, sizeof(timebuf), "%lu %+05d", time, tz); + return timebuf; + } + if (mode == DATE_RELATIVE) { unsigned long diff; struct timeval now; @@ -128,7 +133,25 @@ const char *show_date(unsigned long time, int tz, enum date_mode mode) snprintf(timebuf, sizeof(timebuf), "%lu months ago", (diff + 15) / 30); return timebuf; } - /* Else fall back on absolute format.. */ + /* Give years and months for 5 years or so */ + if (diff < 1825) { + unsigned long years = (diff + 183) / 365; + unsigned long months = (diff % 365 + 15) / 30; + int n; + n = snprintf(timebuf, sizeof(timebuf), "%lu year%s", + years, (years > 1 ? "s" : "")); + if (months) + snprintf(timebuf + n, sizeof(timebuf) - n, + ", %lu month%s ago", + months, (months > 1 ? "s" : "")); + else + snprintf(timebuf + n, sizeof(timebuf) - n, + " ago"); + return timebuf; + } + /* Otherwise, just years. Centuries is probably overkill. */ + snprintf(timebuf, sizeof(timebuf), "%lu years ago", (diff + 183) / 365); + return timebuf; } if (mode == DATE_LOCAL) @@ -402,6 +425,15 @@ static int match_multi_number(unsigned long num, char c, const char *date, char return end - date; } +/* Have we filled in any part of the time/date yet? */ +static inline int nodate(struct tm *tm) +{ + return tm->tm_year < 0 && + tm->tm_mon < 0 && + tm->tm_mday < 0 && + !(tm->tm_hour | tm->tm_min | tm->tm_sec); +} + /* * We've seen a digit. Time? Year? Date? */ @@ -418,7 +450,7 @@ static int match_digit(const char *date, struct tm *tm, int *offset, int *tm_gmt * more than 8 digits. This is because we don't want to rule out * numbers like 20070606 as a YYYYMMDD date. */ - if (num >= 100000000) { + if (num >= 100000000 && nodate(tm)) { time_t time = num; if (gmtime_r(&time, tm)) { *tm_gmt = 1; @@ -463,6 +495,13 @@ static int match_digit(const char *date, struct tm *tm, int *offset, int *tm_gmt } /* + * Ignore lots of numerals. We took care of 4-digit years above. + * Days or months must be one or two digits. + */ + if (n > 2) + return n; + + /* * NOTE! We will give precedence to day-of-month over month or * year numbers in the 1-12 range. So 05 is always "mday 5", * unless we already have a mday.. @@ -488,10 +527,6 @@ static int match_digit(const char *date, struct tm *tm, int *offset, int *tm_gmt if (num > 0 && num < 32) { tm->tm_mday = num; - } else if (num > 1900) { - tm->tm_year = num - 1900; - } else if (num > 70) { - tm->tm_year = num; } else if (num > 0 && num < 13) { tm->tm_mon = num-1; } @@ -603,6 +638,8 @@ enum date_mode parse_date_format(const char *format) return DATE_LOCAL; else if (!strcmp(format, "default")) return DATE_NORMAL; + else if (!strcmp(format, "raw")) + return DATE_RAW; else die("unknown date format %s", format); } @@ -823,7 +860,9 @@ static const char *approxidate_digit(const char *date, struct tm *tm, int *num) } } - *num = number; + /* Accept zero-padding only for small numbers ("Dec 02", never "Dec 0002") */ + if (date[0] != '0' || end - date <= 2) + *num = number; return end; } |