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c33ddc2e33
Many of the date functions write into fixed-size buffers.
This is a minor pain, as we have to take special
precautions, and frequently end up copying the result into a
strbuf or heap-allocated buffer anyway (for which we
sometimes use strcpy!).
Let's instead teach parse_date, datestamp, etc to write to a
strbuf. The obvious downside is that we might need to
perform a heap allocation where we otherwise would not need
to. However, it turns out that the only two new allocations
required are:
1. In test-date.c, where we don't care about efficiency.
2. In determine_author_info, which is not performance
critical (and where the use of a strbuf will help later
refactoring).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
73 lines
1.5 KiB
C
73 lines
1.5 KiB
C
#include "cache.h"
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static const char *usage_msg = "\n"
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" test-date show [time_t]...\n"
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" test-date parse [date]...\n"
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" test-date approxidate [date]...\n";
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static void show_dates(char **argv, struct timeval *now)
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{
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struct strbuf buf = STRBUF_INIT;
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for (; *argv; argv++) {
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time_t t = atoi(*argv);
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show_date_relative(t, 0, now, &buf);
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printf("%s -> %s\n", *argv, buf.buf);
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}
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strbuf_release(&buf);
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}
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static void parse_dates(char **argv, struct timeval *now)
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{
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struct strbuf result = STRBUF_INIT;
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for (; *argv; argv++) {
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unsigned long t;
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int tz;
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strbuf_reset(&result);
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parse_date(*argv, &result);
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if (sscanf(result.buf, "%lu %d", &t, &tz) == 2)
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printf("%s -> %s\n",
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*argv, show_date(t, tz, DATE_ISO8601));
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else
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printf("%s -> bad\n", *argv);
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}
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strbuf_release(&result);
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}
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static void parse_approxidate(char **argv, struct timeval *now)
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{
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for (; *argv; argv++) {
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time_t t;
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t = approxidate_relative(*argv, now);
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printf("%s -> %s\n", *argv, show_date(t, 0, DATE_ISO8601));
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}
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}
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int main(int argc, char **argv)
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{
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struct timeval now;
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const char *x;
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x = getenv("TEST_DATE_NOW");
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if (x) {
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now.tv_sec = atoi(x);
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now.tv_usec = 0;
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}
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else
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gettimeofday(&now, NULL);
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argv++;
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if (!*argv)
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usage(usage_msg);
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if (!strcmp(*argv, "show"))
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show_dates(argv+1, &now);
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else if (!strcmp(*argv, "parse"))
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parse_dates(argv+1, &now);
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else if (!strcmp(*argv, "approxidate"))
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parse_approxidate(argv+1, &now);
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else
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usage(usage_msg);
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return 0;
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}
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