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(ARRAY_CARDINALITY): Do not bother to #undef.

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(ARGMATCH_CONSTRAINT): New macro.
(ARGMATCH_ASSERT): Use it.
This commit is contained in:
Paul Eggert
2002-11-21 05:12:27 +00:00
parent 51dffcbca9
commit b973108e1e
1 changed files with 5 additions and 4 deletions
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9
lib/argmatch.h
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@@ -1,5 +1,5 @@
/* argmatch.h -- definitions and prototypes for argmatch.c
Copyright (C) 1990, 1998, 1999, 2001 Free Software Foundation, Inc.
Copyright (C) 1990, 1998, 1999, 2001, 2002 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -40,11 +40,12 @@
cost, since it will be statically evalauted to `assert (0)' or
`assert (1)'. Unfortunately there is no -Wassert-0. */
# undef ARRAY_CARDINALITY
# define ARRAY_CARDINALITY(Array) (sizeof ((Array)) / sizeof (*(Array)))
# define ARGMATCH_ASSERT(Arglist, Vallist) \
assert (ARRAY_CARDINALITY ((Arglist)) == ARRAY_CARDINALITY ((Vallist)) + 1)
# define ARGMATCH_CONSTRAINT(Arglist, Vallist) \
(ARRAY_CARDINALITY ((Arglist)) == ARRAY_CARDINALITY ((Vallist)) + 1)
# define ARGMATCH_ASSERT(Arglist, Vallist) \
assert (ARGMATCH_CONSTRAINT (Arglist, Vallist))
/* Return the index of the element of ARGLIST (NULL terminated) that
matches with ARG. If VALLIST is not NULL, then use it to resolve