-=========================================================
-Incrementing and Decrementing values stored in the server
-=========================================================
+====================================
+Incrementing and Decrementing Values
+====================================
+.. index:: object: memcached_st
-Manipulate counters
+--------
+SYNOPSIS
+--------
+#include <libmemcached/memcached.h>
+
+.. c:function:: memcached_return_t memcached_increment (memcached_st *ptr, const char *key, size_t key_length, uint32_t offset, uint64_t *value)
-*******
-LIBRARY
-*******
+.. c:function:: memcached_return_t memcached_decrement (memcached_st *ptr, const char *key, size_t key_length, uint32_t offset, uint64_t *value)
+.. c:function:: memcached_return_t memcached_increment_with_initial (memcached_st *ptr, const char *key, size_t key_length, uint64_t offset, uint64_t initial, time_t expiration, uint64_t *value)
-C Client Library for memcached (libmemcached, -lmemcached)
+.. c:function:: memcached_return_t memcached_decrement_with_initial (memcached_st *ptr, const char *key, size_t key_length, uint64_t offset, uint64_t initial, time_t expiration, uint64_t *value)
+.. c:function:: memcached_return_t memcached_increment_by_key (memcached_st *ptr, const char *group_key, size_t group_key_length, const char *key, size_t key_length, uint32_t offset, uint64_t *value)
---------
-SYNOPSIS
---------
+.. c:function:: memcached_return_t memcached_decrement_by_key (memcached_st *ptr, const char *group_key, size_t group_key_length, const char *key, size_t key_length, uint32_t offset, uint64_t *value)
+.. c:function:: memcached_return_t memcached_increment_with_initial_by_key (memcached_st *ptr, const char *group_key, size_t group_key_length, const char *key, size_t key_length, uint64_t offset, uint64_t initial, time_t expiration, uint64_t *value)
+.. c:function:: memcached_return_t memcached_decrement_with_initial_by_key (memcached_st *ptr, const char *group_key, size_t group_key_length, const char *key, size_t key_length, uint64_t offset, uint64_t initial, time_t expiration, uint64_t *value)
-.. code-block:: perl
-
- #include <libmemcached/memcached.h>
-
- memcached_return_t
- memcached_increment (memcached_st *ptr,
- const char *key, size_t key_length,
- unsigned int offset,
- uint64_t *value);
-
- memcached_return_t
- memcached_decrement (memcached_st *ptr,
- const char *key, size_t key_length,
- unsigned int offset,
- uint64_t *value);
-
- memcached_return_t
- memcached_increment_with_initial (memcached_st *ptr,
- const char *key,
- size_t key_length,
- uint64_t offset,
- uint64_t initial,
- time_t expiration,
- uint64_t *value);
-
- memcached_return_t
- memcached_decrement_with_initial (memcached_st *ptr,
- const char *key,
- size_t key_length,
- uint64_t offset,
- uint64_t initial,
- time_t expiration,
- uint64_t *value);
-
- memcached_return_t
- memcached_increment_by_key (memcached_st *ptr,
- const char *master_key, size_t master_key_length,
- const char *key, size_t key_length,
- unsigned int offset,
- uint64_t *value);
-
- memcached_return_t
- memcached_decrement_by_key (memcached_st *ptr,
- const char *master_key, size_t master_key_length,
- const char *key, size_t key_length,
- unsigned int offset,
- uint64_t *value);
-
- memcached_return_t
- memcached_increment_with_initial_by_key (memcached_st *ptr,
- const char *master_key,
- size_t master_key_length,
- const char *key,
- size_t key_length,
- uint64_t offset,
- uint64_t initial,
- time_t expiration,
- uint64_t *value);
-
- memcached_return_t
- memcached_decrement_with_initial_by_key (memcached_st *ptr,
- const char *master_key,
- size_t master_key_length,
- const char *key,
- size_t key_length,
- uint64_t offset,
- uint64_t initial,
- time_t expiration,
- uint64_t *value);
-
+Compile and link with -lmemcached
-----------
-----------
-memcached(1) servers have the ability to increment and decrement keys
+:manpage:`memcached(1)` servers have the ability to increment and decrement keys
(overflow and underflow are not detected). This gives you the ability to use
memcached to generate shared sequences of values.
-memcached_increment() takes a key and keylength and increments the value by
-the offset passed to it. The value is then returned via the unsigned int
+memcached_increment takes a key and keylength and increments the value by
+the offset passed to it. The value is then returned via the uint32_t
value pointer you pass to it.
-memcached_decrement() takes a key and keylength and decrements the value by
-the offset passed to it. The value is then returned via the unsigned int
+memcached_decrement takes a key and keylength and decrements the value by
+the offset passed to it. The value is then returned via the uint32_t
value pointer you pass to it.
-memcached_increment_with_initial() takes a key and keylength and increments
+memcached_increment_with_initial takes a key and keylength and increments
the value by the offset passed to it. If the object specified by key does
not exist, one of two things may happen: If the expiration value is
MEMCACHED_EXPIRATION_NOT_ADD, the operation will fail. For all other
expiration values, the operation will succeed by seeding the value for that
key with a initial value to expire with the provided expiration time. The
-flags will be set to zero.The value is then returned via the unsigned int
-value pointer you pass to it.
+flags will be set to zero.The value is then returned via the uint32_t
+value pointer you pass to it. memcached_increment_with_initial is only available
+when using the binary protocol.
-memcached_decrement_with_initial() takes a key and keylength and decrements
+memcached_decrement_with_initial takes a key and keylength and decrements
the value by the offset passed to it. If the object specified by key does
not exist, one of two things may happen: If the expiration value is
MEMCACHED_EXPIRATION_NOT_ADD, the operation will fail. For all other
expiration values, the operation will succeed by seeding the value for that
key with a initial value to expire with the provided expiration time. The
-flags will be set to zero.The value is then returned via the unsigned int
-value pointer you pass to it.
+flags will be set to zero.The value is then returned via the uint32_t
+value pointer you pass to it. memcached_decrement_with_initial is only available
+when using the binary protocol.
-memcached_increment_by_key(), memcached_decrement_by_key(),
-memcached_increment_with_initial_by_key(), and
-memcached_decrement_with_initial_by_key() are master key equivalents of the
-above.
+:c:func:`memcached_increment_by_key`, :c:func:`memcached_decrement_by_key`,
+:c:func:`memcached_increment_with_initial_by_key`, and
+:c:func:`memcached_decrement_with_initial_by_key` are master key equivalents of the above.
-******
+------
RETURN
-******
+------
-A value of type \ ``memcached_return_t``\ is returned.
-On success that value will be \ ``MEMCACHED_SUCCESS``\ .
-Use memcached_strerror() to translate this value to a printable string.
+A value of type :c:type:`memcached_return_t` is returned.
+On success that value will be :c:type:`MEMCACHED_SUCCESS`.
+Use memcached_strerror to translate this value to a printable string.
-****
+----
HOME
-****
+----
To find out more information please check:
-`https://launchpad.net/libmemcached <https://launchpad.net/libmemcached>`_
-
-
-******
-AUTHOR
-******
-
-
-Brian Aker, <brian@tangent.org>
+`http://libmemcached.org/ <http://libmemcached.org/>`_
--------
projects / awesomized / libmemcached / blobdiff