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Special-case flag value of 0. Instead of returning the first random

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* gobject/genums.c: (g_flags_get_first_value): Special-case flag
value of 0. Instead of returning the first random GFlagsValue
we come across, return the GFlagsValue for 0 if it exists or
NULL if it does not exist. Never return the GFlagsValue for 0
if the requested flags value is nonzero.
This commit is contained in:
Tim-Philipp Müller 2005-08-12 16:09:19 +00:00
parent 5534bedf75
commit 7788ead137
5 changed files with 45 additions and 4 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
2005-08-12 Tim-Philipp Müller <tim at centricular dot net>
* gobject/genums.c: (g_flags_get_first_value): Special-case flag
value of 0. Instead of returning the first random GFlagsValue
we come across, return the GFlagsValue for 0 if it exists or
NULL if it does not exist. Never return the GFlagsValue for 0
if the requested flags value is nonzero.
2005-08-12 Matthias Clasen <mclasen@redhat.com>
* configure.in: Bump version to 2.8.0

8
ChangeLog.pre-2-10
View File

@ -1,3 +1,11 @@
2005-08-12 Tim-Philipp Müller <tim at centricular dot net>
* gobject/genums.c: (g_flags_get_first_value): Special-case flag
value of 0. Instead of returning the first random GFlagsValue
we come across, return the GFlagsValue for 0 if it exists or
NULL if it does not exist. Never return the GFlagsValue for 0
if the requested flags value is nonzero.
2005-08-12 Matthias Clasen <mclasen@redhat.com>
* configure.in: Bump version to 2.8.0

8
ChangeLog.pre-2-12
View File

@ -1,3 +1,11 @@
2005-08-12 Tim-Philipp Müller <tim at centricular dot net>
* gobject/genums.c: (g_flags_get_first_value): Special-case flag
value of 0. Instead of returning the first random GFlagsValue
we come across, return the GFlagsValue for 0 if it exists or
NULL if it does not exist. Never return the GFlagsValue for 0
if the requested flags value is nonzero.
2005-08-12 Matthias Clasen <mclasen@redhat.com>
* configure.in: Bump version to 2.8.0

8
ChangeLog.pre-2-8
View File

@ -1,3 +1,11 @@
2005-08-12 Tim-Philipp Müller <tim at centricular dot net>
* gobject/genums.c: (g_flags_get_first_value): Special-case flag
value of 0. Instead of returning the first random GFlagsValue
we come across, return the GFlagsValue for 0 if it exists or
NULL if it does not exist. Never return the GFlagsValue for 0
if the requested flags value is nonzero.
2005-08-12 Matthias Clasen <mclasen@redhat.com>
* configure.in: Bump version to 2.8.0

17
gobject/genums.c
View File

@ -379,10 +379,19 @@ g_flags_get_first_value (GFlagsClass *flags_class,
if (flags_class->n_values)
{
GFlagsValue *flags_value;
for (flags_value = flags_class->values; flags_value->value_name; flags_value++)
if ((flags_value->value & value) == flags_value->value)
return flags_value;
if (value == 0)
{
for (flags_value = flags_class->values; flags_value->value_name; flags_value++)
if (flags_value->value == 0)
return flags_value;
}
else
{
for (flags_value = flags_class->values; flags_value->value_name; flags_value++)
if (flags_value->value != 0 && (flags_value->value & value) == flags_value->value)
return flags_value;
}
}
return NULL;