test-date.con commit glossary: improve description of SHA-1 related topics (3ab5012)
   1#include "cache.h"
   2
   3static const char *usage_msg = "\n"
   4"  test-date show [time_t]...\n"
   5"  test-date parse [date]...\n"
   6"  test-date approxidate [date]...\n";
   7
   8static void show_dates(char **argv, struct timeval *now)
   9{
  10        struct strbuf buf = STRBUF_INIT;
  11
  12        for (; *argv; argv++) {
  13                time_t t = atoi(*argv);
  14                show_date_relative(t, 0, now, &buf);
  15                printf("%s -> %s\n", *argv, buf.buf);
  16        }
  17        strbuf_release(&buf);
  18}
  19
  20static void parse_dates(char **argv, struct timeval *now)
  21{
  22        for (; *argv; argv++) {
  23                char result[100];
  24                unsigned long t;
  25                int tz;
  26
  27                result[0] = 0;
  28                parse_date(*argv, result, sizeof(result));
  29                if (sscanf(result, "%lu %d", &t, &tz) == 2)
  30                        printf("%s -> %s\n",
  31                               *argv, show_date(t, tz, DATE_ISO8601));
  32                else
  33                        printf("%s -> bad\n", *argv);
  34        }
  35}
  36
  37static void parse_approxidate(char **argv, struct timeval *now)
  38{
  39        for (; *argv; argv++) {
  40                time_t t;
  41                t = approxidate_relative(*argv, now);
  42                printf("%s -> %s\n", *argv, show_date(t, 0, DATE_ISO8601));
  43        }
  44}
  45
  46int main(int argc, char **argv)
  47{
  48        struct timeval now;
  49        const char *x;
  50
  51        x = getenv("TEST_DATE_NOW");
  52        if (x) {
  53                now.tv_sec = atoi(x);
  54                now.tv_usec = 0;
  55        }
  56        else
  57                gettimeofday(&now, NULL);
  58
  59        argv++;
  60        if (!*argv)
  61                usage(usage_msg);
  62        if (!strcmp(*argv, "show"))
  63                show_dates(argv+1, &now);
  64        else if (!strcmp(*argv, "parse"))
  65                parse_dates(argv+1, &now);
  66        else if (!strcmp(*argv, "approxidate"))
  67                parse_approxidate(argv+1, &now);
  68        else
  69                usage(usage_msg);
  70        return 0;
  71}