974c919d36
Fix a memory leak in the parse_date_format() function by providing a
new date_mode_release() companion function.
By using this in "t/helper/test-date.c" we can mark the
"t0006-date.sh" test as passing when git is compiled with
SANITIZE=leak, and whitelist it to run under
"GIT_TEST_PASSING_SANITIZE_LEAK=true" by adding
"TEST_PASSES_SANITIZE_LEAK=true" to the test itself.
The other tests that expose this memory leak (i.e. take the
"mode->type == DATE_STRFTIME" branch in parse_date_format()) are
"t6300-for-each-ref.sh" and "t7004-tag.sh". The former is due to an
easily fixed leak in "ref-filter.c", and brings the failures in
"t6300-for-each-ref.sh" down from 51 to 48.
Fixing the remaining leaks will have to wait until there's a
release_revisions() in "revision.c", as they have to do with leaks via
"struct rev_info".
There is also a leak in "builtin/blame.c" due to its call to
parse_date_format() to parse the "blame.date" configuration. However
as it declares a file-level "static struct date_mode blame_date_mode"
to track the data, LSAN will not report it as a leak. It's possible to
get valgrind(1) to complain about it with e.g.:
valgrind --leak-check=full --show-leak-kinds=all ./git -P -c blame.date=format:%Y blame README.md
But let's focus on things LSAN complains about, and are thus
observable with "TEST_PASSES_SANITIZE_LEAK=true". We should get to
fixing memory leaks in "builtin/blame.c", but as doing so would
require some re-arrangement of cmd_blame() let's leave it for some
other time.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
136 lines
3.0 KiB
C
136 lines
3.0 KiB
C
#include "test-tool.h"
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#include "cache.h"
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#include "date.h"
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static const char *usage_msg = "\n"
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" test-tool date relative [time_t]...\n"
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" test-tool date human [time_t]...\n"
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" test-tool date show:<format> [time_t]...\n"
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" test-tool date parse [date]...\n"
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" test-tool date approxidate [date]...\n"
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" test-tool date timestamp [date]...\n"
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" test-tool date getnanos [start-nanos]\n"
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" test-tool date is64bit\n"
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" test-tool date time_t-is64bit\n";
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static void show_relative_dates(const char **argv)
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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, &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 show_human_dates(const char **argv)
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{
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for (; *argv; argv++) {
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time_t t = atoi(*argv);
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printf("%s -> %s\n", *argv, show_date(t, 0, DATE_MODE(HUMAN)));
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}
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}
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static void show_dates(const char **argv, const char *format)
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{
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struct date_mode mode = DATE_MODE_INIT;
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parse_date_format(format, &mode);
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for (; *argv; argv++) {
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char *arg;
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timestamp_t t;
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int tz;
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/*
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* Do not use our normal timestamp parsing here, as the point
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* is to test the formatting code in isolation.
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*/
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t = parse_timestamp(*argv, &arg, 10);
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while (*arg == ' ')
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arg++;
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tz = atoi(arg);
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printf("%s -> %s\n", *argv, show_date(t, tz, &mode));
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}
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date_mode_release(&mode);
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}
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static void parse_dates(const char **argv)
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{
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struct strbuf result = STRBUF_INIT;
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for (; *argv; argv++) {
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timestamp_t 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, "%"PRItime" %d", &t, &tz) == 2)
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printf("%s -> %s\n",
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*argv, show_date(t, tz, DATE_MODE(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(const char **argv)
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{
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for (; *argv; argv++) {
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timestamp_t t;
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t = approxidate_relative(*argv);
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printf("%s -> %s\n", *argv, show_date(t, 0, DATE_MODE(ISO8601)));
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}
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}
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static void parse_approx_timestamp(const char **argv)
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{
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for (; *argv; argv++) {
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timestamp_t t;
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t = approxidate_relative(*argv);
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printf("%s -> %"PRItime"\n", *argv, t);
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}
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}
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static void getnanos(const char **argv)
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{
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double seconds = getnanotime() / 1.0e9;
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if (*argv)
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seconds -= strtod(*argv, NULL);
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printf("%lf\n", seconds);
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}
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int cmd__date(int argc, const char **argv)
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{
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const char *x;
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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, "relative"))
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show_relative_dates(argv+1);
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else if (!strcmp(*argv, "human"))
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show_human_dates(argv+1);
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else if (skip_prefix(*argv, "show:", &x))
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show_dates(argv+1, x);
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else if (!strcmp(*argv, "parse"))
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parse_dates(argv+1);
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else if (!strcmp(*argv, "approxidate"))
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parse_approxidate(argv+1);
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else if (!strcmp(*argv, "timestamp"))
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parse_approx_timestamp(argv+1);
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else if (!strcmp(*argv, "getnanos"))
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getnanos(argv+1);
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else if (!strcmp(*argv, "is64bit"))
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return sizeof(timestamp_t) == 8 ? 0 : 1;
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else if (!strcmp(*argv, "time_t-is64bit"))
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return sizeof(time_t) == 8 ? 0 : 1;
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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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