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Make previous patch more robust.

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* src/output.c (ARRAY_CARDINALITY): New macro, copied from
argmatch.h.
(output_skeleton): Use it.
Suggested by Akim Demaille.

Signed-off-by: Eric Blake <ebb9@byu.net>
This commit is contained in:
Eric Blake
2009-08-20 16:43:07 -06:00
parent b9ad39c1fb
commit 1266b63674
2 changed files with 23 additions and 14 deletions
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6
ChangeLog
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@@ -1,5 +1,11 @@
2009-08-20 Eric Blake <ebb9@byu.net>
Make previous patch more robust.
* src/output.c (ARRAY_CARDINALITY): New macro, copied from
argmatch.h.
(output_skeleton): Use it.
Suggested by Akim Demaille.
Import latest m4/m4.m4.
* m4/m4.m4: Copy from autoconf 2.64.
* configure.ac (M4_GNU_OPTION): New define.

3
src/output.c
View File

@@ -21,6 +21,7 @@
#include <config.h>
#include "system.h"
#include <assert.h>
#include <configmake.h>
#include <error.h>
#include <get-errno.h>
@@ -40,6 +41,7 @@
#include "symtab.h"
#include "tables.h"
# define ARRAY_CARDINALITY(Array) (sizeof (Array) / sizeof *(Array))
static struct obstack format_obstack;
@@ -546,6 +548,7 @@ output_skeleton (void)
argv[i++] = full_m4bison;
argv[i++] = full_skeleton;
argv[i++] = NULL;
assert (i <= ARRAY_CARDINALITY (argv));
}
init_subpipe ();