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/******************************************************************************
Copyright (c) 1992, 1995, 1996 Xerox Corporation. All rights reserved.
Portions of this code were written by Stephen White, aka ghond.
Use and copying of this software and preparation of derivative works based
upon this software are permitted. Any distribution of this software or
derivative works must comply with all applicable United States export
control laws. This software is made available AS IS, and Xerox Corporation
makes no warranty about the software, its performance or its conformity to
any specification. Any person obtaining a copy of this software is requested
to send their name and post office or electronic mail address to:
Pavel Curtis
Xerox PARC
3333 Coyote Hill Rd.
Palo Alto, CA 94304
Pavel@Xerox.Com
*****************************************************************************/
#ifndef Utils_h
#define Utils_h 1
#include "my-stdio.h"
#include "config.h"
#include "execute.h"
#include "streams.h"
#undef MAX
#undef MIN
#define MAX(A, B) ((A) > (B) ? (A) : (B))
#define MIN(A, B) ((A) < (B) ? (A) : (B))
#define Arraysize(x) (sizeof(x) / sizeof(*x))
extern int mystrcasecmp(const char *, const char *);
extern int mystrncasecmp(const char *, const char *, int);
extern int verbcasecmp(const char *verb, const char *word);
extern unsigned str_hash(const char *);
extern void complex_free_var(Var);
extern Var complex_var_ref(Var);
extern Var complex_var_dup(Var);
extern int var_refcount(Var);
static inline void
free_var(Var v)
{
if (v.type & TYPE_COMPLEX_FLAG)
complex_free_var(v);
}
static inline Var
var_ref(Var v)
{
if (v.type & TYPE_COMPLEX_FLAG)
return complex_var_ref(v);
else
return v;
}
static inline Var
var_dup(Var v)
{
if (v.type & TYPE_COMPLEX_FLAG)
return complex_var_dup(v);
else
return v;
}
extern int equality(Var lhs, Var rhs, int case_matters);
extern int is_true(Var v);
extern void stream_add_strsub(Stream *, const char *, const char *, const char *, int);
extern int strindex(const char *, const char *, int);
extern int strrindex(const char *, const char *, int);
extern Var get_system_property(const char *);
extern Objid get_system_object(const char *);
extern int value_bytes(Var);
extern void stream_add_raw_bytes_to_binary(Stream *, const char *buffer, int buflen);
extern const char *binary_to_raw_bytes(const char *binary, int *rawlen);
#endif
/*
* $Log$
* Revision 1.6 1998/12/14 13:19:15 nop
* Merge UNSAFE_OPTS (ref fixups); fix Log tag placement to fit CVS whims
*
* Revision 1.5 1997/07/07 03:24:55 nop
* Merge UNSAFE_OPTS (r5) after extensive testing.
*
* Revision 1.4.2.2 1997/03/21 15:11:22 bjj
* add var_refcount interface
*
* Revision 1.4.2.1 1997/03/20 18:07:49 bjj
* Add a flag to the in-memory type identifier so that inlines can cheaply
* identify Vars that need actual work done to ref/free/dup them. Add the
* appropriate inlines to utils.h and replace old functions in utils.c with
* complex_* functions which only handle the types with external storage.
*
* Revision 1.4 1997/03/05 08:20:51 bjj
* With 1.2 (oops) add MIN/MAX macros that do the obvious thing, with undef to
* avoid clashing with system definitions.
*
* Revision 1.3 1997/03/05 08:15:55 bjj
* *** empty log message ***
*
* Revision 1.2 1997/03/03 04:19:37 nop
* GNU Indent normalization
*
* Revision 1.1.1.1 1997/03/03 03:45:04 nop
* LambdaMOO 1.8.0p5
*
* Revision 2.4 1996/02/08 06:08:07 pavel
* Moved become_number and compare_ints to number.h. Updated copyright notice
* for 1996. Release 1.8.0beta1.
*
* Revision 2.3 1996/01/11 07:46:18 pavel
* Added raw_bytes_to_binary() and binary_to_raw_bytes(), in support of binary
* I/O facilities. Release 1.8.0alpha5.
*
* Revision 2.2 1995/12/28 00:39:38 pavel
* Removed declaration for private variable `cmap'. Release 1.8.0alpha3.
*
* Revision 2.1 1995/12/11 08:09:56 pavel
* Add `value_bytes()'. Release 1.8.0alpha2.
*
* Revision 2.0 1995/11/30 04:56:31 pavel
* New baseline version, corresponding to release 1.8.0alpha1.
*
* Revision 1.10 1992/10/23 23:03:47 pavel
* Added copyright notice.
*
* Revision 1.9 1992/10/21 03:02:35 pavel
* Converted to use new automatic configuration system.
*
* Revision 1.8 1992/10/17 20:57:30 pavel
* Global rename of strdup->str_dup, strref->str_ref, vardup->var_dup, and
* varref->var_ref.
* Removed useless #ifdef of STRCASE.
*
* Revision 1.7 1992/09/08 21:55:12 pjames
* Added `become_number()' (from bf_num.c).
*
* Revision 1.6 1992/09/03 16:23:16 pjames
* Make cmap[] visible.
*
* Revision 1.5 1992/08/31 22:22:05 pjames
* Changed some `char *'s to `const char *'
*
* Revision 1.4 1992/08/28 16:24:15 pjames
* Added `varref()'. Removed `copy_pi()'.
*
* Revision 1.3 1992/08/10 16:38:28 pjames
* Added is_true (from execute.h) and *_activ_as_pi routines.
*
* Revision 1.2 1992/07/27 18:03:48 pjames
* Changed name of ct_env to var_names
*
* Revision 1.1 1992/07/20 23:23:12 pavel
* Initial RCS-controlled version.
*/
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