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Fix snprintf usage when geohashing

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Contributes to github issue #368.
This commit is contained in:
Alexey Andreyev 2021-08-20 10:52:24 +03:00
parent ede524a77d
commit 35db39c62a
1 changed files with 3 additions and 2 deletions
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5
geohash.c
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@ -112,8 +112,9 @@ char* get_neighbor(char *hash, int direction) {
char **border = is_odd ? odd_borders : even_borders;
char **neighbor = is_odd ? odd_neighbors : even_neighbors;
char *base = malloc(sizeof(char) * (MAX_GEOHASH_LENGTH + 1));
snprintf(base, MAX_GEOHASH_LENGTH, "%s", hash);
size_t geohash_b_size = MAX_GEOHASH_LENGTH + 1;
char *base = malloc(sizeof(char) * geohash_b_size);
snprintf(base, geohash_b_size, "%s", hash);
if(index_for_char(last_char, border[direction]) != -1)
base = get_neighbor(base, direction);