366ae7f15a
2002-08-16 Chris Toshok <toshok@ximian.com> * camel-arg.h: remove the outer parens from the expansion of camel_argv_{start,end} since at least on freebsd va_end is #defined to be nothing, so (va_end(..)) causes a syntax error. svn path=/trunk/; revision=17790
110 lines
2.7 KiB
C
110 lines
2.7 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
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*
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* Author:
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* Michael Zucchi <notzed@ximian.com>
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*
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* Copyright 2002 Ximian, Inc. (www.ximian.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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#ifndef CAMEL_ARG_H
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#define CAMEL_ARG_H 1
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#ifdef __cplusplus
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extern "C" {
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#pragma }
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#endif /* __cplusplus } */
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#include <glib.h>
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#include <stdarg.h>
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enum camel_arg_t {
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CAMEL_ARG_END = 0,
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CAMEL_ARG_IGNORE = 1, /* override/ignore an arg in-place */
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CAMEL_ARG_FIRST = 1024, /* 1024 args reserved for arg system */
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CAMEL_ARG_TYPE = 0xf0000000, /* type field for tags */
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CAMEL_ARG_TAG = 0x0fffffff, /* tag field for args */
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CAMEL_ARG_OBJ = 0x00000000, /* object */
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CAMEL_ARG_INT = 0x10000000, /* int */
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CAMEL_ARG_DBL = 0x20000000, /* double */
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CAMEL_ARG_STR = 0x30000000, /* c string */
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CAMEL_ARG_PTR = 0x40000000, /* ptr */
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};
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typedef struct _CamelArg CamelArg;
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typedef struct _CamelArgV CamelArgV;
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typedef struct _CamelArgGet CamelArgGet;
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typedef struct _CamelArgGetV CamelArgGetV;
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struct _CamelArg {
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guint32 tag;
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union {
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void *ca_object;
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int ca_int;
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double ca_double;
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char *ca_str;
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void *ca_ptr;
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} u;
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};
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struct _CamelArgGet {
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guint32 tag;
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union {
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void **ca_object;
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int *ca_int;
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double *ca_double;
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char **ca_str;
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void **ca_ptr;
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} u;
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};
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#define ca_object u.ca_object
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#define ca_int u.ca_int
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#define ca_double u.ca_double
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#define ca_str u.ca_str
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#define ca_ptr u.ca_ptr
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/* maximum no of args processed at any one time, not the max of all args */
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#define CAMEL_ARGV_MAX (20)
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struct _CamelArgV {
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va_list ap;
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int argc;
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CamelArg argv[CAMEL_ARGV_MAX];
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};
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struct _CamelArgGetV {
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va_list ap;
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int argc;
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CamelArgGet argv[CAMEL_ARGV_MAX];
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};
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#define camel_argv_start(tv, last) va_start((tv)->ap, last)
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#define camel_argv_end(tv) va_end((tv)->ap)
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int camel_argv_build(CamelArgV *tv);
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int camel_arggetv_build(CamelArgGetV *tv);
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/* set an arg ignored */
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#define camel_argv_ignore(tv, i) ((tv)->argv[i].tag = ((tv)->argv[i].tag & CAMEL_ARG_TYPE) | CAMEL_ARG_IGNORE)
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* CAMEL_ARG_H */
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