(argmatch_invalid): Remove double quotes from the

[gnulib.git] / lib / argmatch.h

diff --git a/lib/argmatch.h b/lib/argmatch.h
index e95ff62..9772dcc 100644 (file)
--- a/lib/argmatch.h
+++ b/lib/argmatch.h
@@ -1,12 +1,111 @@
-/* argmatch.h -- declarations for matching arguments against option lists */
+/* argmatch.h -- definitions and prototypes for argmatch.c
+   Copyright (C) 1990, 1998, 1999 Free Software Foundation, Inc.
 
-#if defined __STDC__ || __GNUC__
-# define __ARGMATCH_P(args) args
-#else
-# define __ARGMATCH_P(args) ()
-#endif
+   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
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
 
-int argmatch __ARGMATCH_P ((const char *, const char * const *));
-void invalid_arg __ARGMATCH_P ((const char *, const char *, int));
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
 
-extern char const program_name[];
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+/* Written by David MacKenzie <djm@ai.mit.edu>
+   Modified by Akim Demaille <demaille@inf.enst.fr> */
+
+#ifndef ARGMATCH_H_
+# define ARGMATCH_H_ 1
+
+# if HAVE_CONFIG_H
+#  include <config.h>
+# endif
+
+# include <sys/types.h>
+
+# ifndef PARAMS
+#  if PROTOTYPES || (defined (__STDC__) && __STDC__)
+#   define PARAMS(args) args
+#  else
+#   define PARAMS(args) ()
+#  endif  /* GCC.  */
+# endif  /* Not PARAMS.  */
+
+/* Return the index of the element of ARGLIST (NULL terminated) that
+   matches with ARG.  If VALLIST is not NULL, then use it to resolve
+   false ambiguities (i.e., different matches of ARG but corresponding
+   to the same values in VALLIST).  */
+
+int argmatch
+  PARAMS ((const char *arg, const char *const *arglist,
+          const char *vallist, size_t valsize));
+int argcasematch
+  PARAMS ((const char *arg, const char *const *arglist,
+          const char *vallist, size_t valsize));
+
+# define ARGMATCH(Arg, Arglist, Vallist) \
+  argmatch ((Arg), (Arglist), (const char *) (Vallist), sizeof (*(Vallist)))
+
+# define ARGCASEMATCH(Arg, Arglist, Vallist) \
+  argcasematch ((Arg), (Arglist), (const char *) (Vallist), sizeof (*(Vallist)))
+
+
+
+/* Report on stderr why argmatch failed.  Report correct values. */
+
+void argmatch_invalid
+  PARAMS ((const char *kind, const char *value, int problem));
+
+/* Left for compatibility with the old name invalid_arg */
+
+# define invalid_arg(Kind, Value, Problem) \
+  argmatch_invalid ((Kind), (Value), (Problem))
+
+
+
+/* Report on stderr the list of possible arguments.  */
+
+void argmatch_valid
+  PARAMS ((const char *const *arglist,
+          const char *vallist, size_t valsize));
+
+# define ARGMATCH_VALID(Arglist, Vallist) \
+  argmatch_valid (Arglist, (const char *) Vallist, sizeof (*Vallist))
+
+
+/* Set *Result_ptr to the value in Vallist corresponding to the Arg
+   in Arglist.  If Arg doesn't match any string in Arglist, give a
+   diagnostic and (presumably) exit via the Die_stmt, leaving *Result_ptr
+   unmodified.  */
+
+# define XARGMATCH(Result_ptr, Kind, Arg, Arglist, Vallist, Die_stmt)  \
+  do                                                                   \
+    {                                                                  \
+      int _i = ARGMATCH (Arg, Arglist, Vallist);                       \
+      if (_i >= 0)                                                     \
+       *(Result_ptr) = (Vallist) [_i];                                 \
+      else                                                             \
+       {                                                               \
+         argmatch_invalid ((Kind), (Arg), _i);                         \
+         ARGMATCH_VALID (Arglist, Vallist);                            \
+         Die_stmt;                                                     \
+       }                                                               \
+    }                                                                  \
+  while (0)
+
+
+/* Convert a value into a corresponding argument. */
+
+const char *argmatch_to_argument
+  PARAMS ((char const *value, const char *const *arglist,
+          const char *vallist, size_t valsize));
+
+# define ARGMATCH_TO_ARGUMENT(Value, Arglist, Vallist)                 \
+  argmatch_to_argument ((char const *) &(Value), (Arglist),            \
+                       (const char *) (Vallist), sizeof (*(Vallist)))
+
+#endif /* ARGMATCH_H_ */