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shared: add _NM_MACRO_COMMA_IF_ARGS() helper macro

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Thomas Haller 2020-01-13 15:28:14 +01:00
parent 9b8dcc2665
commit 0cb0ee0482
1 changed files with 5 additions and 0 deletions
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5
shared/nm-glib-aux/nm-macros-internal.h
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@ -382,6 +382,11 @@ _nm_auto_freev (gpointer ptr)
/*****************************************************************************/
#define _NM_MACRO_COMMA_IF_ARGS(...) _NM_MACRO_CALL (G_PASTE (__NM_MACRO_COMMA_IF_ARGS_, NM_NARG_MAX1(__VA_ARGS__)), __VA_ARGS__)
#define __NM_MACRO_COMMA_IF_ARGS_0()
#define __NM_MACRO_COMMA_IF_ARGS_1(...) ,
/*****************************************************************************/
/* http://stackoverflow.com/a/11172679 */
#define _NM_UTILS_MACRO_FIRST(...) __NM_UTILS_MACRO_FIRST_HELPER(__VA_ARGS__, throwaway)