Make fflush-after-ungetc POSIX compliant on glibc systems.

[gnulib.git] / ChangeLog

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+2009-01-15  Bruno Haible  <bruno@clisp.org>
+
+       Make fflush-after-ungetc POSIX compliant on glibc systems.
+       * m4/fflush.m4 (gl_FUNC_FFLUSH): Test also the behaviour of fflush
+       after ungetc.
+       * lib/fflush.c (clear_ungetc_buffer): Implement for glibc systems.
+       (rpl_fflush): On glibc systems, simply call the system's fflush
+       function after clearing the ungetc buffer.
+       * lib/fseeko.c (rpl_fseeko): Don't try to lseek past the end of file.
+       Instead, lseek only to the end of file, then use the system's fseeko
+       for the rest. On glibc systems, reset the EOF indicator bit.
+
 2009-01-15  Jim Meyering  <meyering@redhat.com>
 
        openmp.m4: revert quote-adding change, for portability to older autoconf