root/test-date.c

DEFINITIONS

1. show_dates
2. parse_dates
3. parse_approxidate
4. main

#include "cache.h"

static const char *usage_msg = "\n"
"  test-date show [time_t]...\n"
"  test-date parse [date]...\n"
"  test-date approxidate [date]...\n";

static void show_dates(char **argv, struct timeval *now)
{
        struct strbuf buf = STRBUF_INIT;

        for (; *argv; argv++) {
                time_t t = atoi(*argv);
                show_date_relative(t, 0, now, &buf);
                printf("%s -> %s\n", *argv, buf.buf);
        }
        strbuf_release(&buf);
}

static void parse_dates(char **argv, struct timeval *now)
{
        struct strbuf result = STRBUF_INIT;

        for (; *argv; argv++) {
                unsigned long t;
                int tz;

                strbuf_reset(&result);
                parse_date(*argv, &result);
                if (sscanf(result.buf, "%lu %d", &t, &tz) == 2)
                        printf("%s -> %s\n",
                               *argv, show_date(t, tz, DATE_MODE(ISO8601)));
                else
                        printf("%s -> bad\n", *argv);
        }
        strbuf_release(&result);
}

static void parse_approxidate(char **argv, struct timeval *now)
{
        for (; *argv; argv++) {
                time_t t;
                t = approxidate_relative(*argv, now);
                printf("%s -> %s\n", *argv, show_date(t, 0, DATE_MODE(ISO8601)));
        }
}

int main(int argc, char **argv)
{
        struct timeval now;
        const char *x;

        x = getenv("TEST_DATE_NOW");
        if (x) {
                now.tv_sec = atoi(x);
                now.tv_usec = 0;
        }
        else
                gettimeofday(&now, NULL);

        argv++;
        if (!*argv)
                usage(usage_msg);
        if (!strcmp(*argv, "show"))
                show_dates(argv+1, &now);
        else if (!strcmp(*argv, "parse"))
                parse_dates(argv+1, &now);
        else if (!strcmp(*argv, "approxidate"))
                parse_approxidate(argv+1, &now);
        else
                usage(usage_msg);
        return 0;
}