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Merge pull request #342 from nyalldawson/fix_double_conversion

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Fix incorrect conversion of double values
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Evan Miller 2021-08-29 07:14:36 -04:00 committed by GitHub
commit 9b57c3ff66
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1 changed files with 8 additions and 3 deletions
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11
src/libmdb/file.c
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@ -456,9 +456,14 @@ double mdb_get_double(void *buf, int offset)
{
union {guint64 g; double d;} d;
unsigned char *u8_buf = (unsigned char *)buf + offset;
d.g = u8_buf[0] + (u8_buf[1] << 8) + (u8_buf[2] << 16) + (u8_buf[3] << 24) +
((guint64)u8_buf[4] << 32) + ((guint64)u8_buf[5] << 40) +
((guint64)u8_buf[6] << 48) + ((guint64)u8_buf[7] << 56);
d.g = ((guint64)u8_buf[0]) +
((guint64)u8_buf[1] << 8) +
((guint64)u8_buf[2] << 16) +
((guint64)u8_buf[3] << 24) +
((guint64)u8_buf[4] << 32) +
((guint64)u8_buf[5] << 40) +
((guint64)u8_buf[6] << 48) +
((guint64)u8_buf[7] << 56);
return d.d;
}
double mdb_pg_get_double(MdbHandle *mdb, int offset)