Commit 777cb5e9cb12fd56d998f2eaa9348dd4e0078cac
2010-12-27T14:28:11
mbrtowc: Work around a Solaris 7 bug. * m4/mbrtowc.m4 (gl_MBRTOWC_NULL_ARG1): New macro. (gl_MBRTOWC_NULL_ARG2): Renamed from gl_MBRTOWC_NULL_ARG. (gl_FUNC_MBRTOWC): Update. Define MBRTOWC_NULL_ARG2_BUG instead of MBRTOWC_NULL_ARG_BUG. Invoke gl_MBRTOWC_NULL_ARG1 and define MBRTOWC_NULL_ARG1_BUG. * lib/mbrtowc.c (rpl_mbrtowc): Use MBRTOWC_NULL_ARG2_BUG instead of MBRTOWC_NULL_ARG_BUG. Handle MBRTOWC_NULL_ARG1_BUG. * tests/test-mbrtowc.c (main): Test support of a NULL first argument. * doc/posix-functions/mbrtowc.texi: Mention the Solaris 7 bug.