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2007-08-03 Havoc Pennington <hp@redhat.com>

Browse source 
* configure.in: add major/minor/micro version number AC_SUBST

	* dbus/dbus-arch-deps.h.in (DBUS_MAJOR_VERSION,
	DBUS_MINOR_VERSION, DBUS_MICRO_VERSION, DBUS_VERSION_STRING,
	DBUS_VERSION): collection of macros to get version of library we
	are compiled against.

	* dbus/dbus-misc.c (dbus_get_version): new function, to get
	version of library we are linked against at runtime.
This commit is contained in:
Havoc Pennington 2007-08-03 19:05:29 +00:00
parent ae4a158696
commit d9f2438806
5 changed files with 175 additions and 2 deletions
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12
ChangeLog
View file

@ -1,3 +1,15 @@
2007-08-03 Havoc Pennington <hp@redhat.com>
* configure.in: add major/minor/micro version number AC_SUBST
* dbus/dbus-arch-deps.h.in (DBUS_MAJOR_VERSION,
DBUS_MINOR_VERSION, DBUS_MICRO_VERSION, DBUS_VERSION_STRING,
DBUS_VERSION): collection of macros to get version of library we
are compiled against.
* dbus/dbus-misc.c (dbus_get_version): new function, to get
version of library we are linked against at runtime.
2007-07-30 Havoc Pennington <hp@redhat.com>
* bus/activation-helper.c (check_bus_name): don't use

16
configure.in
View file

@ -1,7 +1,12 @@
dnl -*- mode: m4 -*-
AC_PREREQ(2.52)
AC_INIT(dbus, 1.1.3)
m4_define([dbus_major_version], [1])
m4_define([dbus_minor_version], [1])
m4_define([dbus_micro_version], [3])
m4_define([dbus_version],
[dbus_major_version.dbus_minor_version.dbus_micro_version])
AC_INIT(dbus, [dbus_version])
AC_CANONICAL_TARGET
@ -39,6 +44,15 @@ AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)
DBUS_MAJOR_VERSION=dbus_major_version
DBUS_MINOR_VERSION=dbus_minor_version
DBUS_MICRO_VERSION=dbus_micro_version
DBUS_VERSION=dbus_major_version.dbus_minor_version.dbus_micro_version
AC_SUBST(DBUS_MAJOR_VERSION)
AC_SUBST(DBUS_MINOR_VERSION)
AC_SUBST(DBUS_MICRO_VERSION)
AC_SUBST(DBUS_VERSION)
AC_PROG_CC
AM_PROG_CC_C_O

11
dbus/dbus-arch-deps.h.in
View file

@ -51,6 +51,17 @@ typedef unsigned @DBUS_INT32_TYPE@ dbus_uint32_t;
typedef @DBUS_INT16_TYPE@ dbus_int16_t;
typedef unsigned @DBUS_INT16_TYPE@ dbus_uint16_t;
/* This is not really arch-dependent, but it's not worth
* creating an additional generated header just for this
*/
#define DBUS_MAJOR_VERSION @DBUS_MAJOR_VERSION@
#define DBUS_MINOR_VERSION @DBUS_MINOR_VERSION@
#define DBUS_MICRO_VERSION @DBUS_MICRO_VERSION@
#define DBUS_VERSION_STRING "@DBUS_VERSION@"
#define DBUS_VERSION ((@DBUS_MAJOR_VERSION@ << 16) | (@DBUS_MINOR_VERSION@ << 8) | (@DBUS_MICRO_VERSION@))
DBUS_END_DECLS
#endif /* DBUS_ARCH_DEPS_H */

132
dbus/dbus-misc.c
View file

@ -91,6 +91,83 @@ dbus_get_local_machine_id (void)
}
/**
* @def DBUS_MAJOR_VERSION
*
* The COMPILE TIME major version of libdbus, that is, the "X" in "X.Y.Z",
* as an integer literal. Consider carefully whether to use this or the
* runtime version from dbus_get_version().
*/
/**
* @def DBUS_MINOR_VERSION
*
* The COMPILE TIME minor version of libdbus, that is, the "Y" in "X.Y.Z",
* as an integer literal. Consider carefully whether to use this or the
* runtime version from dbus_get_version().
*/
/**
* @def DBUS_MICRO_VERSION
*
* The COMPILE TIME micro version of libdbus, that is, the "Z" in "X.Y.Z",
* as an integer literal. Consider carefully whether to use this or the
* runtime version from dbus_get_version().
*/
/**
* @def DBUS_VERSION
*
* The COMPILE TIME version of libdbus, as a single integer that has 0 in the most
* significant byte, the major version in the next most significant byte,
* the minor version in the third most significant, and the micro version in the
* least significant byte. This means two DBUS_VERSION can be compared to see
* which is higher.
*
* Consider carefully whether to use this or the runtime version from
* dbus_get_version().
*/
/**
* @def DBUS_VERSION_STRING
*
* The COMPILE TIME version of libdbus, as a string "X.Y.Z".
*
* Consider carefully whether to use this or the runtime version from
* dbus_get_version().
*/
/**
* Gets the DYNAMICALLY LINKED version of libdbus. Alternatively, there
* are macros #DBUS_MAJOR_VERSION, #DBUS_MINOR_VERSION, #DBUS_MICRO_VERSION,
* and #DBUS_VERSION which allow you to test the VERSION YOU ARE COMPILED AGAINST.
* In other words, you can get either the runtime or the compile-time version.
* Think carefully about which of these you want in a given case.
*
* The libdbus full version number is "MAJOR.MINOR.MICRO" where the
* MINOR changes if API is added, and the MICRO changes with each
* release of a MAJOR.MINOR series. The MINOR is an odd number for
* development releases and an even number for stable releases.
*
* @param major_version_p pointer to return the major version, or #NULL
* @param minor_version_p pointer to return the minor version, or #NULL
* @param micro_version_p pointer to return the micro version, or #NULL
*
*/
void
dbus_get_version (int *major_version_p,
int *minor_version_p,
int *micro_version_p)
{
if (major_version_p)
*major_version_p = DBUS_MAJOR_VERSION;
if (minor_version_p)
*minor_version_p = DBUS_MINOR_VERSION;
if (micro_version_p)
*micro_version_p = DBUS_MICRO_VERSION;
}
/** @} */ /* End of public API */
#ifdef DBUS_BUILD_TESTS
@ -104,7 +181,62 @@ dbus_get_local_machine_id (void)
dbus_bool_t
_dbus_misc_test (void)
{
int major, minor, micro;
DBusString str;
/* make sure we don't crash on NULL */
dbus_get_version (NULL, NULL, NULL);
/* Now verify that all the compile-time version stuff
* is right and matches the runtime. These tests
* are mostly intended to catch various kinds of
* typo (mixing up major and minor, that sort of thing).
*/
dbus_get_version (&major, &minor, &micro);
_dbus_assert (major == DBUS_MAJOR_VERSION);
_dbus_assert (minor == DBUS_MINOR_VERSION);
_dbus_assert (micro == DBUS_MICRO_VERSION);
#define MAKE_VERSION(x, y, z) (((x) << 16) | ((y) << 8) | (z))
/* check that MAKE_VERSION works and produces the intended ordering */
_dbus_assert (MAKE_VERSION (1, 0, 0) > MAKE_VERSION (0, 0, 0));
_dbus_assert (MAKE_VERSION (1, 1, 0) > MAKE_VERSION (1, 0, 0));
_dbus_assert (MAKE_VERSION (1, 1, 1) > MAKE_VERSION (1, 1, 0));
_dbus_assert (MAKE_VERSION (2, 0, 0) > MAKE_VERSION (1, 1, 1));
_dbus_assert (MAKE_VERSION (2, 1, 0) > MAKE_VERSION (1, 1, 1));
_dbus_assert (MAKE_VERSION (2, 1, 1) > MAKE_VERSION (1, 1, 1));
/* check DBUS_VERSION */
_dbus_assert (MAKE_VERSION (major, minor, micro) == DBUS_VERSION);
/* check that ordering works with DBUS_VERSION */
_dbus_assert (MAKE_VERSION (major - 1, minor, micro) < DBUS_VERSION);
_dbus_assert (MAKE_VERSION (major, minor - 1, micro) < DBUS_VERSION);
_dbus_assert (MAKE_VERSION (major, minor, micro - 1) < DBUS_VERSION);
_dbus_assert (MAKE_VERSION (major + 1, minor, micro) > DBUS_VERSION);
_dbus_assert (MAKE_VERSION (major, minor + 1, micro) > DBUS_VERSION);
_dbus_assert (MAKE_VERSION (major, minor, micro + 1) > DBUS_VERSION);
/* Check DBUS_VERSION_STRING */
if (!_dbus_string_init (&str))
_dbus_assert_not_reached ("no memory");
if (!(_dbus_string_append_int (&str, major) &&
_dbus_string_append_byte (&str, '.') &&
_dbus_string_append_int (&str, minor) &&
_dbus_string_append_byte (&str, '.') &&
_dbus_string_append_int (&str, micro)))
_dbus_assert_not_reached ("no memory");
_dbus_assert (_dbus_string_equal_c_str (&str, DBUS_VERSION_STRING));
_dbus_string_free (&str);
return TRUE;
}

6
dbus/dbus-misc.h
View file

@ -37,7 +37,11 @@ DBUS_BEGIN_DECLS
* @{
*/
char* dbus_get_local_machine_id (void);
char* dbus_get_local_machine_id (void);
void dbus_get_version (int *major_version_p,
int *minor_version_p,
int *micro_version_p);
/** @} */