diff options
Diffstat (limited to 'shared/nm-glib-aux/nm-macros-internal.h')
| -rw-r--r-- | shared/nm-glib-aux/nm-macros-internal.h | 79 |
1 files changed, 61 insertions, 18 deletions
diff --git a/shared/nm-glib-aux/nm-macros-internal.h b/shared/nm-glib-aux/nm-macros-internal.h index 52591040e2..758a4ec9aa 100644 --- a/shared/nm-glib-aux/nm-macros-internal.h +++ b/shared/nm-glib-aux/nm-macros-internal.h @@ -757,6 +757,17 @@ NM_G_ERROR_MSG (GError *error) /*****************************************************************************/ +#define NM_SWAP(a, b) \ + G_STMT_START { \ + typeof (a) _tmp; \ + \ + _tmp = (a); \ + (a) = (b); \ + (b) = _tmp; \ + } G_STMT_END + +/*****************************************************************************/ + static inline gboolean _NM_IN_STRSET_streq (const char *x, const char *s) { @@ -1023,19 +1034,37 @@ nm_str_realloc (char *str) #define nm_assert_not_reached() G_STMT_START { ; } G_STMT_END #endif +/* Usage: + * + * if (NM_MORE_ASSERT_ONCE (5)) { extra_check (); } + * + * This will only run the check once, and only if NM_MORE_ASSERT is >= than + * more_assert_level. + */ +#define NM_MORE_ASSERT_ONCE(more_assert_level) \ + ( (NM_MORE_ASSERTS >= (more_assert_level)) \ + && ({ \ + static volatile int _assert_once = 0; \ + \ + G_STATIC_ASSERT_EXPR ((more_assert_level) >= 0); \ + \ + G_UNLIKELY ( _assert_once == 0 \ + && g_atomic_int_compare_and_exchange (&_assert_once, 0, 1)); \ + })) + /*****************************************************************************/ -#define NM_GOBJECT_PROPERTIES_DEFINE_BASE(...) \ +#define NM_GOBJECT_PROPERTIES_DEFINE_BASE_FULL(suffix, ...) \ typedef enum { \ - PROP_0, \ + PROP_0##suffix, \ __VA_ARGS__ \ - _PROPERTY_ENUMS_LAST, \ -} _PropertyEnums; \ -static GParamSpec *obj_properties[_PROPERTY_ENUMS_LAST] = { NULL, } + _PROPERTY_ENUMS_LAST##suffix, \ +} _PropertyEnums##suffix; \ +static GParamSpec *obj_properties##suffix[_PROPERTY_ENUMS_LAST##suffix] = { NULL, } -#define NM_GOBJECT_PROPERTIES_DEFINE_NOTIFY(obj_type, obj_properties, property_enums_type, prop_0) \ +#define NM_GOBJECT_PROPERTIES_DEFINE_NOTIFY(suffix, obj_type) \ static inline void \ -_nm_gobject_notify_together_impl (obj_type *obj, guint n, const property_enums_type *props) \ +_nm_gobject_notify_together_impl##suffix (obj_type *obj, guint n, const _PropertyEnums##suffix *props) \ { \ const gboolean freeze_thaw = (n > 1); \ \ @@ -1045,12 +1074,12 @@ _nm_gobject_notify_together_impl (obj_type *obj, guint n, const property_enums_t if (freeze_thaw) \ g_object_freeze_notify ((GObject *) obj); \ while (n-- > 0) { \ - const property_enums_type prop = *props++; \ + const _PropertyEnums##suffix prop = *props++; \ \ - if (prop != prop_0) { \ - nm_assert ((gsize) prop < G_N_ELEMENTS (obj_properties)); \ - nm_assert (obj_properties[prop]); \ - g_object_notify_by_pspec ((GObject *) obj, obj_properties[prop]); \ + if (prop != PROP_0##suffix) { \ + nm_assert ((gsize) prop < G_N_ELEMENTS (obj_properties##suffix)); \ + nm_assert (obj_properties##suffix[prop]); \ + g_object_notify_by_pspec ((GObject *) obj, obj_properties##suffix[prop]); \ } \ } \ if (freeze_thaw) \ @@ -1058,20 +1087,29 @@ _nm_gobject_notify_together_impl (obj_type *obj, guint n, const property_enums_t } \ \ _nm_unused static inline void \ -_notify (obj_type *obj, property_enums_type prop) \ +_notify##suffix (obj_type *obj, _PropertyEnums##suffix prop) \ { \ - _nm_gobject_notify_together_impl (obj, 1, &prop); \ + _nm_gobject_notify_together_impl##suffix (obj, 1, &prop); \ } \ +#define NM_GOBJECT_PROPERTIES_DEFINE_BASE(...) \ + NM_GOBJECT_PROPERTIES_DEFINE_BASE_FULL (, __VA_ARGS__); \ + +#define NM_GOBJECT_PROPERTIES_DEFINE_FULL(suffix, obj_type, ...) \ + NM_GOBJECT_PROPERTIES_DEFINE_BASE_FULL (suffix, __VA_ARGS__); \ + NM_GOBJECT_PROPERTIES_DEFINE_NOTIFY (suffix, obj_type) + #define NM_GOBJECT_PROPERTIES_DEFINE(obj_type, ...) \ -NM_GOBJECT_PROPERTIES_DEFINE_BASE (__VA_ARGS__); \ -NM_GOBJECT_PROPERTIES_DEFINE_NOTIFY (obj_type, obj_properties, _PropertyEnums, PROP_0) + NM_GOBJECT_PROPERTIES_DEFINE_FULL (, obj_type, __VA_ARGS__) /* invokes _notify() for all arguments (of type _PropertyEnums). Note, that if * there are more than one prop arguments, this will involve a freeze/thaw * of GObject property notifications. */ +#define nm_gobject_notify_together_full(suffix, obj, ...) \ + _nm_gobject_notify_together_impl##suffix (obj, NM_NARG (__VA_ARGS__), (const _PropertyEnums##suffix[]) { __VA_ARGS__ }) + #define nm_gobject_notify_together(obj, ...) \ - _nm_gobject_notify_together_impl (obj, NM_NARG (__VA_ARGS__), (const _PropertyEnums[]) { __VA_ARGS__ }) + nm_gobject_notify_together_full (, obj, __VA_ARGS__) /*****************************************************************************/ @@ -1452,7 +1490,12 @@ _NM_BACKPORT_SYMBOL_IMPL(version, return_type, func, _##func##_##version, args_t /*****************************************************************************/ /* mirrors g_ascii_isspace() and what we consider spaces in general. */ -#define NM_ASCII_SPACES "\t\n\f\r " +#define NM_ASCII_SPACES " \n\t\r\f" + +/* Like NM_ASCII_SPACES, but without "\f" (0x0c, Formfeed Page Break). + * This is what for example systemd calls WHITESPACE and what it uses to tokenize + * the kernel command line. */ +#define NM_ASCII_WHITESPACES " \n\t\r" #define nm_str_skip_leading_spaces(str) \ ({ \ |