Zbigniew Jędrzejewski-Szmek
400102ec91
The second argument to _printf_() specifies where the arguments start. We need to use 0 in two cases: when the args in a va_list and can't be checked, and with journald logging functions which accept multiple format strings with multiple argument sets, which the _printf_ checker does not understand. But strv_extendf() can be checked.
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