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https://gitlab.freedesktop.org/NetworkManager/NetworkManager
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88071abb43
Our coding style recommends C style comments (/* */) instead of C++ (//). Also, systemd (which we partly fork) uses C style comments for the SPDX-License-Identifier. Unify the style. $ sed -i '1 s#// SPDX-License-Identifier: \([^ ]\+\)$#/* SPDX-License-Identifier: \1 */#' -- $(git ls-files -- '*.[hc]' '*.[hc]pp')
80 lines
2.2 KiB
C
80 lines
2.2 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 ? nm_ref_string_new_len(cstr, strlen(cstr)) : 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_ref_string_equals_str(NMRefString *rstr, const char *s)
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{
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/* Note that rstr->len might be greater than strlen(rstr->str). This function does
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* not cover that and would ignore everything after the first NUL byte. If you need
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* that distinction, this function is not for you. */
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return rstr ? (s && nm_streq(rstr->str, s)) : (s == NULL);
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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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