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README.mkd

Generic C Hash Map for Embedded Systems

This library is an implementation of a hash map in C that maps integers to void pointers. The map is initialized with a fixed size and load factor, and memory is allocated on the heap all at once. There are no dependencies besides the BSD queue.h, which is included in most systems by default.

Compiling

$ make

Test Suite

Dependencies

  • check

This library has a test suite built with the check C library. Run the tests like so:

$ make test

Examples

#include "emhashmap.h"

#define MAX_CAPACITY 64

HashMap map = emhashmap_create(64);

int key = 42;
char* value = "foo";
emhashmap_put(&map, key, (void*)value);

bool contains = emhashmap_contains(list, key);
// contains == true

int size = emhashmap_size(&map);
// size == 1

emhashmap_remove(&map, key);

emhashmap_is_empty(&map);
// == true

emhashmap_destroy(&map);

License

This library is licensed under the BSD license and is Copyright 2014, Ford Motor Company

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This library is an implementation of a hash map in C that maps integers to void pointers

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