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shared: add NM_IS_REF_STRING() helper

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This commit is contained in:
Thomas Haller
2019-10-22 16:49:05 +02:00
parent a75dccad78
commit 1c4acc89f1
1 changed files with 19 additions and 0 deletions
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19
shared/nm-glib-aux/nm-ref-string.h
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@@ -49,4 +49,23 @@ nm_ref_string_get_len (NMRefString *rstr)
return rstr ? rstr->len : 0u; return rstr ? rstr->len : 0u;
} }
static inline gboolean
NM_IS_REF_STRING (const NMRefString *rstr)
{
#if NM_MORE_ASSERTS > 10
if (rstr) {
nm_auto_ref_string NMRefString *r2 = NULL;
r2 = nm_ref_string_new_len (rstr->str, rstr->len);
nm_assert (rstr == r2);
}
#endif
/* Technically, %NULL is also a valid NMRefString (according to nm_ref_string_new(),
* nm_ref_string_get_str() and nm_ref_string_unref()). However, NM_IS_REF_STRING()
* does not think so. If callers want to allow %NULL, they need to check
* separately. */
return !!rstr;
}
#endif /* __NM_REF_STRING_H__ */ #endif /* __NM_REF_STRING_H__ */