00001 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab: 00002 * 00003 * Drizzle Client & Protocol Library 00004 * 00005 * Copyright (C) 2008 Eric Day (eday@oddments.org) 00006 * All rights reserved. 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions are 00010 * met: 00011 * 00012 * * Redistributions of source code must retain the above copyright 00013 * notice, this list of conditions and the following disclaimer. 00014 * 00015 * * Redistributions in binary form must reproduce the above 00016 * copyright notice, this list of conditions and the following disclaimer 00017 * in the documentation and/or other materials provided with the 00018 * distribution. 00019 * 00020 * * The names of its contributors may not be used to endorse or 00021 * promote products derived from this software without specific prior 00022 * written permission. 00023 * 00024 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00025 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00026 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00027 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 00028 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00029 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00030 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00031 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00032 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00033 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00034 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00035 * 00036 */ 00037 00038 #pragma once 00039 00045 #ifdef __cplusplus 00046 extern "C" { 00047 #endif 00048 00061 DRIZZLE_LOCAL 00062 void drizzle_con_reset_addrinfo(drizzle_con_st *con); 00063 00071 static inline bool drizzle_state_none(drizzle_con_st *con) 00072 { 00073 if (con == NULL) 00074 { 00075 return false; 00076 } 00077 00078 return con->state_current == 0; 00079 } 00080 00088 static inline void drizzle_state_push(drizzle_con_st *con, 00089 drizzle_state_fn *function) 00090 { 00091 /* The maximum stack depth can be determined at compile time, so bump this 00092 constant if needed to avoid the dynamic memory management. */ 00093 assert(con->state_current < DRIZZLE_STATE_STACK_SIZE); 00094 con->state_stack[con->state_current]= function; 00095 con->state_current++; 00096 } 00097 00104 static inline void drizzle_state_pop(drizzle_con_st *con) 00105 { 00106 con->state_current--; 00107 } 00108 00115 static inline void drizzle_state_reset(drizzle_con_st *con) 00116 { 00117 con->state_current= 0; 00118 } 00119 00122 #ifdef __cplusplus 00123 } 00124 #endif