gethostname: Provide a fallback for HOST_NAME_MAX.

[pspp] / ChangeLog

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+2010-12-24  Bruno Haible  <bruno@clisp.org>
+
+       gethostname: Provide a fallback for HOST_NAME_MAX.
+       * m4/gethostname.m4 (gl_FUNC_GETHOSTNAME): When neither HOST_NAME_MAX
+       nor MAXHOSTNAMELEN is found in the usual system headers, use 256
+       instead.
+       Reported by Joachim Schmitz <jojo@schmitz-digital.de>.
+
 2010-12-24  Bruno Haible  <bruno@clisp.org>
 
        sigaction tests: Allow missing SA_RESETHAND and SA_RESTART.