[PATCH] Define macros for glibc

[Siddhesh Poyarekar]

hi,

This is the second patch as promised.  This patch helps build error.c
without warnings on glibc.  I intend to merge the remaining
differences into the glibc version of error.c

Siddhesh

        * lib/error.c [_LIBC]: Define default macros for
        glibc.
        (print_errno_message) [defined HAVE_STRERROR_R || _LIBC]:
        Check _LIBC before STRERROR_R_CHAR_P.

diff --git a/lib/error.c b/lib/error.c
index 9a3525a..7b99cd7 100644
--- a/lib/error.c
+++ b/lib/error.c
@@ -39,6 +39,9 @@
 # include <stdint.h>
 # include <wchar.h>
 # define mbsrtowcs __mbsrtowcs
+# define USE_UNLOCKED_IO 0
+# define _GL_ATTRIBUTE_FORMAT_PRINTF(a, b)
+# define _GL_ARG_NONNULL(a)
 #endif
 
 #if USE_UNLOCKED_IO
@@ -171,7 +174,7 @@ print_errno_message (int errnum)
 
 #if defined HAVE_STRERROR_R || _LIBC
   char errbuf[1024];
-# if STRERROR_R_CHAR_P || _LIBC
+# if _LIBC || STRERROR_R_CHAR_P
   s = __strerror_r (errnum, errbuf, sizeof errbuf);
 # else
   if (__strerror_r (errnum, errbuf, sizeof errbuf) == 0)

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