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glib-aux: add NM_STRV_EMPTY() helper

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NM_PTRARRAY_EMPTY(char*) gives a "char *const*" pointer,
which is often not useful where a strv array is needed.
Add a helper macro.
This commit is contained in:
Thomas Haller 2021-05-07 23:07:14 +02:00
parent b5c5b2443d
commit 62027350f7
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1 changed files with 1 additions and 0 deletions
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src/libnm-glib-aux/nm-shared-utils.h
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@ -522,6 +522,7 @@ gboolean nm_utils_memeqzero(gconstpointer data, gsize length);
extern const void *const _NM_PTRARRAY_EMPTY[1];
#define NM_PTRARRAY_EMPTY(type) ((type const *) _NM_PTRARRAY_EMPTY)
#define NM_STRV_EMPTY() ((char **) _NM_PTRARRAY_EMPTY)
static inline void
_nm_utils_strbuf_init(char *buf, gsize len, char **p_buf_ptr, gsize *p_buf_len)