git

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#include "git-compat-util.h"
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#include "date.h"
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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{
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	int local;
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	int num;
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	char *str;
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	int16_t tz;
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	timestamp_t ts;
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	enum date_mode_type dmtype;
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	struct date_mode dm;
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	if (size <= 4)
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		/*
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		 * we use the first byte to fuzz dmtype and the
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		 * second byte to fuzz local, then the next two
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		 * bytes to fuzz tz offset. The remainder
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		 * (at least one byte) is fed as input to
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		 * approxidate_careful().
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		 */
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		return 0;
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	local = !!(*data++ & 0x10);
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	num = *data++ % DATE_UNIX;
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	if (num >= DATE_STRFTIME)
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		num++;
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	dmtype = (enum date_mode_type)num;
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	size -= 2;
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	tz = *data++;
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	tz = (tz << 8) | *data++;
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	size -= 2;
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	str = xmemdupz(data, size);
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	ts = approxidate_careful(str, &num);
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	free(str);
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	dm = date_mode_from_type(dmtype);
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	dm.local = local;
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	show_date(ts, (int)tz, dm);
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	date_mode_release(&dm);
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	return 0;
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}
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