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[COMMITTED PATCH] Fix -Wundef issues in generated errlist.c.
- From: Roland McGrath <roland at hack dot frob dot com>
- To: "GNU C. Library" <libc-alpha at sourceware dot org>
- Date: Mon, 5 May 2014 13:07:01 -0700 (PDT)
- Subject: [COMMITTED PATCH] Fix -Wundef issues in generated errlist.c.
- Authentication-results: sourceware.org; auth=none
2014-05-05 Roland McGrath <roland@hack.frob.com>
* sysdeps/gnu/errlist.awk (BEGIN): Emit an initial #define of ERR_MAX
to 0, so the first #if test emitted later doesn't see it undefined.
(END): Emit "!defined ERRLIST_NO_COMPAT" to match what BEGIN does.
* sysdeps/gnu/errlist.c: Regenerated.
--- a/sysdeps/gnu/errlist.awk
+++ b/sysdeps/gnu/errlist.awk
@@ -52,6 +52,7 @@ BEGIN {
print "#ifdef ERR_MAX";
print "# define ERRLIST_SIZE ERR_MAX + 1";
print "#else"
+ print "# define ERR_MAX 0";
print "# define ERRLIST_SIZE";
print "#endif";
@@ -109,7 +110,7 @@ END {
print " (sizeof _sys_errlist_internal / sizeof _sys_errlist_internal [0])";
print "const int _sys_nerr_internal = NERR;"
print "";
- print "#if !defined NOT_IN_libc && !ERRLIST_NO_COMPAT";
+ print "#if !defined NOT_IN_libc && !defined ERRLIST_NO_COMPAT";
print "# include <errlist-compat.c>";
print "#endif";
print "";
--- a/sysdeps/gnu/errlist.c
+++ b/sysdeps/gnu/errlist.c
@@ -13,6 +13,7 @@
#ifdef ERR_MAX
# define ERRLIST_SIZE ERR_MAX + 1
#else
+# define ERR_MAX 0
# define ERRLIST_SIZE
#endif
const char *const _sys_errlist_internal[ERRLIST_SIZE] =
@@ -1479,7 +1480,7 @@ TRANS error; @pxref{Cancel AIO Operations}. */
(sizeof _sys_errlist_internal / sizeof _sys_errlist_internal [0])
const int _sys_nerr_internal = NERR;
-#if !defined NOT_IN_libc && !ERRLIST_NO_COMPAT
+#if !defined NOT_IN_libc && !defined ERRLIST_NO_COMPAT
# include <errlist-compat.c>
#endif