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Use geohash limit defines in constraint check

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Slight robustness improvement, especially if the limit values are
changed, as was suggested in antires/redis#4291 [1].

[1] https://github.com/antirez/redis/pull/4291
This commit is contained in:
Amin Mesbah 2018-09-02 00:06:20 -07:00
parent febe102bf6
commit a036c64c01
1 changed files with 2 additions and 2 deletions
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4
src/geohash.c
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@ -127,8 +127,8 @@ int geohashEncode(const GeoHashRange *long_range, const GeoHashRange *lat_range,
/* Return an error when trying to index outside the supported
* constraints. */
if (longitude > 180 || longitude < -180 ||
latitude > 85.05112878 || latitude < -85.05112878) return 0;
if (longitude > GEO_LONG_MAX || longitude < GEO_LONG_MIN ||
latitude > GEO_LAT_MAX || latitude < GEO_LAT_MIN) return 0;
hash->bits = 0;
hash->step = step;