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 (const char *format,
44 const char* _dbus_strerror (int error_number);
46 DBusResultCode _dbus_result_from_errno (int error_number);
48 #define _dbus_assert(condition) \
52 _dbus_warn ("Assertion failed \"%s\" file \"%s\" line %d\n", \
53 #condition, __FILE__, __LINE__); \
58 #define _dbus_assert_not_reached(explanation) \
60 _dbus_warn ("File \"%s\" line %d should not have been reached: %s\n", \
61 __FILE__, __LINE__, (explanation)); \
65 #define _DBUS_N_ELEMENTS(array) ((int) (sizeof ((array)) / sizeof ((array)[0])))
67 #define _DBUS_POINTER_TO_INT(pointer) ((long)(pointer))
68 #define _DBUS_INT_TO_POINTER(integer) ((void*)((long)(integer)))
70 #define _DBUS_ZERO(object) (memset (&(object), '\0', sizeof ((object))))
72 #define _DBUS_STRUCT_OFFSET(struct_type, member) \
73 ((long) ((unsigned char*) &((struct_type*) 0)->member))
75 /* This alignment thing is from ORBit2 */
76 /* Align a value upward to a boundary, expressed as a number of bytes.
77 * E.g. align to an 8-byte boundary with argument of 8.
81 * (this + boundary - 1)
86 #define _DBUS_ALIGN_VALUE(this, boundary) \
87 (( ((unsigned long)(this)) + (((unsigned long)(boundary)) -1)) & (~(((unsigned long)(boundary))-1)))
89 #define _DBUS_ALIGN_ADDRESS(this, boundary) \
90 ((void*)_DBUS_ALIGN_VALUE(this, boundary))
92 char* _dbus_strdup (const char *str);
94 #define _DBUS_INT_MIN (-_DBUS_INT_MAX - 1)
95 #define _DBUS_INT_MAX 2147483647
96 #define _DBUS_MAX_SUN_PATH_LENGTH 99
97 #define _DBUS_ONE_KILOBYTE 1024
98 #define _DBUS_ONE_MEGABYTE 1024 * _DBUS_ONE_KILOBYTE
101 #define MAX(a, b) (((a) > (b)) ? (a) : (b))
104 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
107 #define ABS(a) (((a) < 0) ? -(a) : (a))
109 typedef void (* DBusForeachFunction) (void *element,
112 dbus_bool_t _dbus_set_fd_nonblocking (int fd,
113 DBusResultCode *result);
115 void _dbus_verbose_bytes (const unsigned char *data,
117 void _dbus_verbose_bytes_of_string (const DBusString *str,
125 #endif /* DBUS_INTERNALS_H */