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glib-aux: add nm_ref_string_reset_str() helper

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Thomas Haller 2021-05-20 19:06:14 +02:00
parent ac8c3a7111
commit 8f5684543f
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1 changed files with 21 additions and 0 deletions
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21
src/libnm-glib-aux/nm-ref-string.h
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@ -132,4 +132,25 @@ NM_REF_STRING_UPCAST(const char *str)
return rstr;
}
static inline gboolean
nm_ref_string_reset_str(NMRefString **ptr, const char *str)
{
nm_auto_ref_string NMRefString *rstr = NULL;
gsize l;
nm_assert(ptr);
if (!str)
return nm_clear_pointer(ptr, nm_ref_string_unref);
l = strlen(str);
if ((*ptr) && (*ptr)->len == l && ((*ptr)->str == str || memcmp((*ptr)->str, str, l) == 0))
return FALSE;
rstr = *ptr;
*ptr = nm_ref_string_new_len(str, l);
return TRUE;
}
#endif /* __NM_REF_STRING_H__ */