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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2010 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* Glenn Fowler
* AT&T Research
*
* xargs/tw command arg list interface definitions
*/
#ifndef _CMDARG_H
#define _CMDARG_H
#define CMD_CHECKED (1<<9) /* cmdopen() argv[0] ok */
#define CMD_EMPTY (1<<0) /* run once, even if no args */
#define CMD_EXACT (1<<1) /* last command must have argmax*/
#define CMD_IGNORE (1<<2) /* ignore EXIT_QUIT exit */
#define CMD_INSERT (1<<3) /* argpat for insertion */
#define CMD_MINIMUM (1<<4) /* argmax is a minimum */
#define CMD_NEWLINE (1<<5) /* echo separator is newline */
#define CMD_POST (1<<6) /* argpat is post arg position */
#define CMD_QUERY (1<<7) /* trace and query each command */
#define CMD_SILENT (1<<10) /* no error messages */
#define CMD_TRACE (1<<8) /* trace each command */
#define CMD_USER (1<<12)
typedef struct /* cmd + args info */
{
struct
{
size_t args; /* total args */
size_t commands; /* total commands */
} total;
int argcount; /* current arg count */
int argmax; /* max # args */
int echo; /* just an echo */
int flags; /* CMD_* flags */
int insertlen; /* strlen(insert) */
int offset; /* post arg offset */
char** argv; /* exec argv */
char** firstarg; /* first argv file arg */
char** insertarg; /* argv before insert */
char** postarg; /* start of post arg list */
char** nextarg; /* next argv file arg */
char* nextstr; /* next string ends before here */
char* laststr; /* last string ends before here */
char* insert; /* replace with current arg */
char buf[1]; /* argv and arg buffer */
} Cmdarg_t;
#if _BLD_ast && defined(__EXPORT__)
#define extern __EXPORT__
#endif
extern Cmdarg_t* cmdopen(char**, int, int, const char*, int);
extern int cmdflush(Cmdarg_t*);
extern int cmdarg(Cmdarg_t*, const char*, int);
extern int cmdclose(Cmdarg_t*);
#undef extern
#endif
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