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#include <libmemcached/common.h>
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static inline memcached_return_t memcached_validate_key_length(size_t key_length, bool)
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return MEMCACHED_BAD_KEY_PROVIDED;
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// No one ever reimplemented MEMCACHED to use keys longer then the original ascii length
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if (key_length > 0xffff)
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return MEMCACHED_BAD_KEY_PROVIDED;
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if (key_length >= MEMCACHED_MAX_KEY)
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return MEMCACHED_BAD_KEY_PROVIDED;
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return MEMCACHED_SUCCESS;
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memcached_return_t memcached_key_test(memcached_st &memc,
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const char * const *keys,
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const size_t *key_length,
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size_t number_of_keys)
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if (number_of_keys == 0)
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return memcached_set_error(memc, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, memcached_literal_param("Numbers of keys provided was zero"));
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if (keys == NULL or key_length == NULL)
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return memcached_set_error(memc, MEMCACHED_BAD_KEY_PROVIDED, MEMCACHED_AT, memcached_literal_param("Key was NULL or length of key was zero."));
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const bool is_binary= memcached_flag(memc, MEMCACHED_FLAG_BINARY_PROTOCOL);
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// If we don't need to verify the key, or we are using the binary protoocol,
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// we just check the size of the key
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if (memc.flags.verify_key == false or memc.flags.binary_protocol == true)
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for (size_t x= 0; x < number_of_keys; x++)
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// We should set binary key, but the memcached server is broken for
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// longer keys at the moment.
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memcached_return_t rc= memcached_validate_key_length(*(key_length +x), false /* memc.flags.binary_protocol */);
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if (memcached_failed(rc))
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return memcached_set_error(memc, rc, MEMCACHED_AT, memcached_literal_param("Key provided was too long."));
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return MEMCACHED_SUCCESS;
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for (size_t x= 0; x < number_of_keys; x++)
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memcached_return_t rc= memcached_validate_key_length(*(key_length + x), false);
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for (size_t x= 0; x < number_of_keys; ++x)
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// We should set binary key, but the memcached server is broken for
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// longer keys at the moment.
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memcached_return_t rc= memcached_validate_key_length(*(key_length +x), false /* memc.flags.binary_protocol */);
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if (memcached_failed(rc))
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return memcached_set_error(memc, rc, MEMCACHED_AT, memcached_literal_param("Key provided was too long."));
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for (size_t y= 0; y < *(key_length + x); y++)
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if (memc.flags.verify_key and is_binary == false)
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if ((isgraph(keys[x][y])) == 0)
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for (size_t y= 0; y < *(key_length +x); ++y)
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return memcached_set_error(memc, MEMCACHED_BAD_KEY_PROVIDED, MEMCACHED_AT, memcached_literal_param("Key provided had invalid character."));
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if ((isgraph(keys[x][y])) == 0)
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return memcached_set_error(memc, MEMCACHED_BAD_KEY_PROVIDED, MEMCACHED_AT, memcached_literal_param("Key provided had invalid character."));