mirror of https://github.com/git/git.git
50 lines
947 B
C
50 lines
947 B
C
#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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