zeroconf/glue: add fallback value for HOST_NAME_MAX

`HOST_NAME_MAX` is not a portable macro; it is undefined on some systems. Closes #402

zeroconf/glue: add fallback value for HOST_NAME_MAX
f2c926f3 · Max Kellermann · aba18924 · f2c926f3
Commit f2c926f3 authored Nov 04, 2018 by Max Kellermann
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ZeroconfGlue.cxx src/zeroconf/ZeroconfGlue.cxx +6 -0

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--- a/src/zeroconf/ZeroconfGlue.cxx
+++ b/src/zeroconf/ZeroconfGlue.cxx
@@ -32,6 +32,12 @@
 #include <unistd.h>
 #include <limits.h>

+#ifndef HOST_NAME_MAX
+/* HOST_NAME_MAX is not a portable macro; it is undefined on some
+   systems */
+#define HOST_NAME_MAX 255
+#endif
+
 static constexpr Domain zeroconf_domain("zeroconf");

 /* The default service name to publish