1 /* -*- mode: C; c-file-style: "gnu" -*- */
2 /* dbus-internals.h random utility stuff (internal to D-BUS implementation)
4 * Copyright (C) 2002 Red Hat, Inc.
6 * Licensed under the Academic Free License version 1.2
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #ifdef DBUS_INSIDE_DBUS_H
24 #error "You can't include dbus-internals.h in the public header dbus.h"
27 #ifndef DBUS_INTERNALS_H
28 #define DBUS_INTERNALS_H
32 #include <dbus/dbus-memory.h>
33 #include <dbus/dbus-types.h>
34 #include <dbus/dbus-errors.h>
35 #include <dbus/dbus-sysdeps.h>
39 void _dbus_warn (const char *format,
41 void _dbus_verbose_real (const char *format,
45 #ifdef DBUS_ENABLE_VERBOSE_MODE
46 # define _dbus_verbose _dbus_verbose_real
48 # ifdef HAVE_ISO_VARARGS
49 # define _dbus_verbose(...)
50 # elif defined (HAVE_GNUC_VARARGS)
51 # define _dbus_verbose(format...)
53 # error "This compiler does not support varargs macros and thus verbose mode can't be disabled meaningfully"
55 #endif /* !DBUS_ENABLE_VERBOSE_MODE */
57 const char* _dbus_strerror (int error_number);
59 DBusResultCode _dbus_result_from_errno (int error_number);
61 #ifdef DBUS_DISABLE_ASSERT
62 #define _dbus_assert(condition)
64 #define _dbus_assert(condition) \
68 _dbus_warn ("Assertion failed \"%s\" file \"%s\" line %d\n", \
69 #condition, __FILE__, __LINE__); \
73 #endif /* !DBUS_DISABLE_ASSERT */
75 #ifdef DBUS_DISABLE_ASSERT
76 #define _dbus_assert_not_reached(explanation)
78 #define _dbus_assert_not_reached(explanation) \
80 _dbus_warn ("File \"%s\" line %d should not have been reached: %s\n", \
81 __FILE__, __LINE__, (explanation)); \
84 #endif /* !DBUS_DISABLE_ASSERT */
86 #define _DBUS_N_ELEMENTS(array) ((int) (sizeof ((array)) / sizeof ((array)[0])))
88 #define _DBUS_POINTER_TO_INT(pointer) ((long)(pointer))
89 #define _DBUS_INT_TO_POINTER(integer) ((void*)((long)(integer)))
91 #define _DBUS_ZERO(object) (memset (&(object), '\0', sizeof ((object))))
93 #define _DBUS_STRUCT_OFFSET(struct_type, member) \
94 ((long) ((unsigned char*) &((struct_type*) 0)->member))
96 #define _DBUS_HANDLE_OOM(stat) (stat)
98 /* This alignment thing is from ORBit2 */
99 /* Align a value upward to a boundary, expressed as a number of bytes.
100 * E.g. align to an 8-byte boundary with argument of 8.
104 * (this + boundary - 1)
109 #define _DBUS_ALIGN_VALUE(this, boundary) \
110 (( ((unsigned long)(this)) + (((unsigned long)(boundary)) -1)) & (~(((unsigned long)(boundary))-1)))
112 #define _DBUS_ALIGN_ADDRESS(this, boundary) \
113 ((void*)_DBUS_ALIGN_VALUE(this, boundary))
115 char* _dbus_strdup (const char *str);
117 #define _DBUS_INT_MIN (-_DBUS_INT_MAX - 1)
118 #define _DBUS_INT_MAX 2147483647
119 #define _DBUS_MAX_SUN_PATH_LENGTH 99
120 #define _DBUS_ONE_KILOBYTE 1024
121 #define _DBUS_ONE_MEGABYTE 1024 * _DBUS_ONE_KILOBYTE
124 #define MAX(a, b) (((a) > (b)) ? (a) : (b))
127 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
130 #define ABS(a) (((a) < 0) ? -(a) : (a))
132 typedef void (* DBusForeachFunction) (void *element,
135 dbus_bool_t _dbus_set_fd_nonblocking (int fd,
136 DBusResultCode *result);
138 void _dbus_verbose_bytes (const unsigned char *data,
140 void _dbus_verbose_bytes_of_string (const DBusString *str,
145 const char* _dbus_type_to_string (int type);
149 #endif /* DBUS_INTERNALS_H */