Drizzled Public API Documentation

conn_local.h
Go to the documentation of this file.
1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
2  *
3  * Drizzle Client & Protocol Library
4  *
5  * Copyright (C) 2008 Eric Day (eday@oddments.org)
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions are
10  * met:
11  *
12  * * Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  *
15  * * Redistributions in binary form must reproduce the above
16  * copyright notice, this list of conditions and the following disclaimer
17  * in the documentation and/or other materials provided with the
18  * distribution.
19  *
20  * * The names of its contributors may not be used to endorse or
21  * promote products derived from this software without specific prior
22  * written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
30  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35  *
36  */
37 
38 #pragma once
39 
45 #ifdef __cplusplus
46 extern "C" {
47 #endif
48 
61 DRIZZLE_LOCAL
62 void drizzle_con_reset_addrinfo(drizzle_con_st *con);
63 
71 static inline bool drizzle_state_none(drizzle_con_st *con)
72 {
73  if (con == NULL)
74  {
75  return false;
76  }
77 
78  return con->state_current == 0;
79 }
80 
88 static inline void drizzle_state_push(drizzle_con_st *con,
89  drizzle_state_fn *function)
90 {
91  /* The maximum stack depth can be determined at compile time, so bump this
92  constant if needed to avoid the dynamic memory management. */
93  assert(con->state_current < DRIZZLE_STATE_STACK_SIZE);
94  con->state_stack[con->state_current]= function;
95  con->state_current++;
96 }
97 
104 static inline void drizzle_state_pop(drizzle_con_st *con)
105 {
106  con->state_current--;
107 }
108 
115 static inline void drizzle_state_reset(drizzle_con_st *con)
116 {
117  con->state_current= 0;
118 }
119 
122 #ifdef __cplusplus
123 }
124 #endif