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* Drizzle Client & Protocol Library
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* Copyright (C) 2008 Eric Day (eday@oddments.org)
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* * The names of its contributors may not be used to endorse or
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* promote products derived from this software without specific prior
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* @brief Local Connection Declarations
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* @addtogroup drizzle_con_local Local Connection Declarations
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* @ingroup drizzle_con
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* Clear address info, freeing structs if needed.
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* @param[in] con Connection structure previously initialized with
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* drizzle_con_create(), drizzle_con_clone(), or related functions.
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void drizzle_con_reset_addrinfo(drizzle_con_st *con);
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* Check if state stack is empty.
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* @param[in] con Connection structure previously initialized with
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* drizzle_con_create(), drizzle_con_clone(), or related functions.
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* @return True if empty, false if something is on the stack.
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static inline bool drizzle_state_none(drizzle_con_st *con)
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return con->state_current == 0;
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* Push a function onto the stack.
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* @param[in] con Connection structure previously initialized with
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* drizzle_con_create(), drizzle_con_clone(), or related functions.
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* @param[in] function Function to push.
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static inline void drizzle_state_push(drizzle_con_st *con,
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drizzle_state_fn *function)
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/* The maximum stack depth can be determined at compile time, so bump this
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constant if needed to avoid the dynamic memory management. */
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assert(con->state_current < DRIZZLE_STATE_STACK_SIZE);
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con->state_stack[con->state_current]= function;
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* Pop a function off of the stack.
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* @param[in] con Connection structure previously initialized with
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* drizzle_con_create(), drizzle_con_clone(), or related functions.
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static inline void drizzle_state_pop(drizzle_con_st *con)
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con->state_current--;
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* Reset the stack so it is empty.
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* @param[in] con Connection structure previously initialized with
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* drizzle_con_create(), drizzle_con_clone(), or related functions.
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static inline void drizzle_state_reset(drizzle_con_st *con)
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con->state_current= 0;