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glib-aux: add nm_g_array_index_p() helper and cleanup nm_g_array*() helpers

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Thomas Haller 2022-05-26 13:28:10 +02:00
parent d81a9aec31
commit 08c010cb2b
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GPG key ID: 29C2366E4DFC5728
1 changed files with 47 additions and 28 deletions
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75
src/libnm-glib-aux/nm-shared-utils.h
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@ -2194,38 +2194,57 @@ nm_g_array_unref(GArray *arr)
g_array_unref(arr);
}
#define nm_g_array_first(arr, type) \
({ \
GArray *const _arr = (arr); \
guint _len; \
\
nm_assert(_arr); \
_len = _arr->len; \
nm_assert(_len > 0); \
&g_array_index(arr, type, 0); \
#define nm_g_array_first(arr, Type) \
({ \
GArray *const _arr = (arr); \
\
nm_assert(_arr); \
nm_assert(sizeof(Type) == g_array_get_element_size(_arr)); \
nm_assert(_arr->len > 0); \
\
&g_array_index(arr, Type, 0); \
})
#define nm_g_array_last(arr, type) \
({ \
GArray *const _arr = (arr); \
guint _len; \
\
nm_assert(_arr); \
_len = _arr->len; \
nm_assert(_len > 0); \
&g_array_index(arr, type, _len - 1u); \
#define nm_g_array_last(arr, Type) \
({ \
GArray *const _arr = (arr); \
\
nm_assert(_arr); \
nm_assert(sizeof(Type) == g_array_get_element_size(_arr)); \
nm_assert(_arr->len > 0); \
\
&g_array_index(arr, Type, _arr->len - 1u); \
})
#define nm_g_array_append_new(arr, type) \
({ \
GArray *const _arr = (arr); \
guint _len; \
\
nm_assert(_arr); \
_len = _arr->len; \
nm_assert(_len < G_MAXUINT); \
g_array_set_size(_arr, _len + 1u); \
&g_array_index(arr, type, _len); \
/* Similar to g_array_index(). The differences are
* - this does nm_assert() checks that the arguments are valid.
* - returns a pointer to the element. */
#define nm_g_array_index_p(arr, Type, idx) \
({ \
GArray *const _arr = (arr); \
const guint _idx = (idx); \
\
nm_assert(_arr); \
nm_assert(sizeof(Type) == g_array_get_element_size(_arr)); \
nm_assert(_idx < _arr->len); \
\
&g_array_index(_arr, Type, _idx); \
})
#define nm_g_array_append_new(arr, Type) \
({ \
GArray *const _arr = (arr); \
guint _len; \
\
nm_assert(_arr); \
nm_assert(sizeof(Type) == g_array_get_element_size(_arr)); \
\
_len = _arr->len; \
\
nm_assert(_len < G_MAXUINT); \
\
g_array_set_size(_arr, _len + 1u); \
&g_array_index(arr, Type, _len); \
})
/*****************************************************************************/