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71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
// SPDX-License-Identifier: LGPL-2.1+
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#ifndef __NM_REF_STRING_H__
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#define __NM_REF_STRING_H__
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/*****************************************************************************/
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typedef struct _NMRefString {
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const char *const str;
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const gsize len;
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} NMRefString;
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/*****************************************************************************/
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NMRefString *nm_ref_string_new_len (const char *cstr, gsize len);
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static inline NMRefString *
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nm_ref_string_new (const char *cstr)
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{
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return cstr
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? nm_ref_string_new_len (cstr, strlen (cstr))
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: NULL;
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}
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NMRefString *nm_ref_string_ref (NMRefString *rstr);
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void _nm_ref_string_unref_non_null (NMRefString *rstr);
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static inline void
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nm_ref_string_unref (NMRefString *rstr)
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{
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if (rstr)
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_nm_ref_string_unref_non_null (rstr);
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}
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NM_AUTO_DEFINE_FCN_VOID0 (NMRefString *, _nm_auto_ref_string, _nm_ref_string_unref_non_null)
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#define nm_auto_ref_string nm_auto(_nm_auto_ref_string)
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/*****************************************************************************/
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static inline const char *
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nm_ref_string_get_str (NMRefString *rstr)
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{
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return rstr ? rstr->str : NULL;
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}
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static inline gsize
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nm_ref_string_get_len (NMRefString *rstr)
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{
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return rstr ? rstr->len : 0u;
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}
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static inline gboolean
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NM_IS_REF_STRING (const NMRefString *rstr)
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{
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#if NM_MORE_ASSERTS > 10
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if (rstr) {
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nm_auto_ref_string NMRefString *r2 = NULL;
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r2 = nm_ref_string_new_len (rstr->str, rstr->len);
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nm_assert (rstr == r2);
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}
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#endif
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/* Technically, %NULL is also a valid NMRefString (according to nm_ref_string_new(),
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* nm_ref_string_get_str() and nm_ref_string_unref()). However, NM_IS_REF_STRING()
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* does not think so. If callers want to allow %NULL, they need to check
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* separately. */
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return !!rstr;
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}
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#endif /* __NM_REF_STRING_H__ */
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