45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/*** MIT License
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#ifndef GEOHASH_H
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#define GEOHASH_H
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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enum {
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GEOHASH_OK,
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GEOHASH_NOTSUPPORTED,
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GEOHASH_INVALIDCODE,
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GEOHASH_INVALIDARGUMENT,
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GEOHASH_INTERNALERROR,
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GEOHASH_NOMEMORY
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};
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int geohash_encode(double latitude, double longitude, char* r, size_t capacity);
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int geohash_decode(char* r, size_t length, double *latitude, double *longitude);
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int geohash_neighbors(char *hashcode, char* dst, size_t dst_length, int *string_count);
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#endif |