common: Allow standalone build of argparse.c

* common/argparse.h: Remove types.h - not required.
* common/argparse.c: Change to allow standalone use.

Signed-off-by: Werner Koch <wk@gnupg.org>

common/argparse.c

@@ -1,6 +1,6 @@
 /* [argparse.c wk 17.06.97] Argument Parser for option handling
  * Copyright (C) 1998-2001, 2006-2008, 2012 Free Software Foundation, Inc.
- * Copyright (C) 1997-2001, 2006-2008, 2013 Werner Koch
+ * Copyright (C) 1997-2001, 2006-2008, 2013-2015 Werner Koch
  *
  * This file is part of JNLIB, which is a subsystem of GnuPG.
  *
@@ -29,6 +29,11 @@
  * if not, see <http://www.gnu.org/licenses/>.
  */
 
+/* This file may be used as part of GnuPG or standalone.  A GnuPG
+   build is detected by the presence of the macro GNUPG_MAJOR_VERSION.
+   Some feature are only availalbe in the GnuPG build mode.
+ */
+
 #ifdef HAVE_CONFIG_H
 #include <config.h>
 #endif
@@ -41,6 +46,7 @@
 #include <limits.h>
 #include <errno.h>
 
+#ifdef GNUPG_MAJOR_VERSION
 # include "libjnlib-config.h"
 # include "mischelp.h"
 # include "stringhelp.h"
@@ -48,13 +54,106 @@
 # ifdef JNLIB_NEED_UTF8CONV
 #  include "utf8conv.h"
 # endif
+#endif /*GNUPG_MAJOR_VERSION*/
+
 #include "argparse.h"
 
+/* GnuPG uses GPLv3+ but a standalone version of this defaults to
+   GPLv2+ because that is the license of this file.  Change this if
+   you include it in a program which uses GPLv3.  If you don't want to
+   set a a copyright string for your usage() you may also hardcode it
+   here.  */
+#ifndef GNUPG_MAJOR_VERSION
+
+# define ARGPARSE_GPL_VERSION      2
+# define ARGPARSE_CRIGHT_STR "Copyright (C) YEAR NAME"
+
+#else /* Used by GnuPG  */
+
+# define ARGPARSE_GPL_VERSION      3
+# define ARGPARSE_CRIGHT_STR "Copyright (C) 2015 Free Software Foundation, Inc."
+
+#endif /*GNUPG_MAJOR_VERSION*/
+
+/* Replacements for standalone builds.  */
+#ifndef GNUPG_MAJOR_VERSION
+# ifndef _
+#  define _(a)  (a)
+# endif
+# ifndef DIM
+#  define DIM(v)           (sizeof(v)/sizeof((v)[0]))
+# endif
+# define jnlib_malloc(a)    malloc ((a))
+# define jnlib_realloc(a,b) realloc ((a), (b))
+# define jnlib_strdup(a)    strdup ((a))
+# define jnlib_free(a)      free ((a))
+# define jnlib_log_error    my_log_error
+# define jnlib_log_bug	    my_log_bug
+# define trim_spaces(a)     my_trim_spaces ((a))
+# define map_static_macro_string(a)  (a)
+#endif /*!GNUPG_MAJOR_VERSION*/
+
+
+#define ARGPARSE_STR(v) #v
+#define ARGPARSE_STR2(v) ARGPARSE_STR(v)
+
+
+/* Replacements for standalone builds.  */
+#ifndef GNUPG_MAJOR_VERSION
+static void
+my_log_error (const char *fmt, ...)
+{
+  va_list arg_ptr ;
+
+  va_start (arg_ptr, fmt);
+  fprintf (stderr, "%s: ", strusage (11));
+  vfprintf (stderr, fmt, arg_ptr);
+  va_end (arg_ptr);
+}
+
+static void
+my_log_bug (const char *fmt, ...)
+{
+  va_list arg_ptr ;
+
+  va_start (arg_ptr, fmt);
+  fprintf (stderr, "%s: Ohhhh jeeee: ", strusage (11));
+  vfprintf (stderr, fmt, arg_ptr);
+  va_end (arg_ptr);
+  abort ();
+}
+
+static char *
+my_trim_spaces (char *str)
+{
+  char *string, *p, *mark;
+
+  string = str;
+  /* Find first non space character. */
+  for (p=string; *p && isspace (*(unsigned char*)p) ; p++)
+    ;
+  /* Move characters. */
+  for ((mark = NULL); (*string = *p); string++, p++)
+    if (isspace (*(unsigned char*)p))
+      {
+        if (!mark)
+          mark = string;
+      }
+    else
+      mark = NULL;
+  if (mark)
+    *mark = '\0' ;  /* Remove trailing spaces. */
+
+  return str ;
+}
+
+#endif /*!GNUPG_MAJOR_VERSION*/
+
 
 
 /*********************************
  * @Summary arg_parse
- *  #include <wk/lib.h>
+ *  #include "argparse.h"
  *
  *  typedef struct {
  *	char *argc;		  pointer to argc (value subject to change)
@@ -1367,12 +1466,19 @@ strusage( int level )
 
   switch ( level )
     {
-    case 10: p = ("License GPLv3+: GNU GPL version 3 or later "
+
+    case 10:
+#if ARGPARSE_GPL_VERSION == 3
+      p = ("License GPLv3+: GNU GPL version 3 or later "
            "<http://gnu.org/licenses/gpl.html>");
+#else
+      p = ("License GPLv2+: GNU GPL version 2 or later "
+           "<http://gnu.org/licenses/>");
+#endif
       break;
     case 11: p = "foo"; break;
     case 13: p = "0.0"; break;
-    case 14: p = "Copyright (C) 2015 Free Software Foundation, Inc."; break;
+    case 14: p = ARGPARSE_CRIGHT_STR; break;
     case 15: p =
 "This is free software: you are free to change and redistribute it.\n"
 "There is NO WARRANTY, to the extent permitted by law.\n";
@@ -1380,7 +1486,9 @@ strusage( int level )
     case 16: p =
 "This is free software; you can redistribute it and/or modify\n"
 "it under the terms of the GNU General Public License as published by\n"
-"the Free Software Foundation; either version 3 of the License, or\n"
+"the Free Software Foundation; either version "
+ARGPARSE_STR2(ARGPARSE_GPL_VERSION)
+" of the License, or\n"
 "(at your option) any later version.\n\n"
 "It is distributed in the hope that it will be useful,\n"
 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
@@ -1430,14 +1538,20 @@ main(int argc, char **argv)
     ARGPARSE_s_n('s', "street","|Straße|set the name of the street to Straße"),
     ARGPARSE_o_i('m', "my-option", 0),
     ARGPARSE_s_n(500, "a-long-option", 0 ),
-    ARGPARSE_end
+    ARGPARSE_end()
   };
-  ARGPARSE_ARGS pargs = { &argc, &argv, 2|4|32 };
+  ARGPARSE_ARGS pargs = { &argc, &argv, (ARGPARSE_FLAG_ALL
+                                         | ARGPARSE_FLAG_MIXED
+                                         | ARGPARSE_FLAG_ONEDASH) };
   int i;
 
-    while( arg_parse ( &pargs, opts) ) {
+  while (arg_parse  (&pargs, opts))
-	switch( pargs.r_opt ) {
+    {
-	  case -1 : printf( "arg='%s'\n", pargs.r.ret_str); break;
+      switch (pargs.r_opt)
+        {
+        case ARGPARSE_IS_ARG :
+          printf ("arg='%s'\n", pargs.r.ret_str);
+          break;
         case 'v': opt.verbose++; break;
         case 'e': opt.echo++; break;
         case 'd': opt.debug++; break;
@@ -1465,8 +1579,9 @@ main(int argc, char **argv)
     printf ("  a-long-one=%d\n", opt.a_long_one );
   if (opt.echo)
     printf ("  echo=%d\n", opt.echo );
+
   return 0;
 }
-#endif
+#endif /*TEST*/
 
 /**** bottom of file ****/

common/argparse.h

@@ -32,7 +32,6 @@
 #define LIBJNLIB_ARGPARSE_H
 
 #include <stdio.h>
-#include "types.h"
 
 typedef struct
 {