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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
*
* option, error and message formatter external definitions
*/
#ifndef _ERROR_H
#define _ERROR_H
#include <ast.h>
#include <option.h>
#include <errno.h>
#define ERROR_VERSION 20070319L
#if !defined(errno) && defined(__DYNAMIC__)
#define errno __DYNAMIC__(errno)
#endif
#define ERROR_debug(n) (-(n))
#define ERROR_exit(n) ((n)+ERROR_ERROR)
#define ERROR_system(n) (((n)+ERROR_ERROR)|ERROR_SYSTEM)
#define ERROR_usage(n) ((((n)?2:0)+ERROR_ERROR)|ERROR_USAGE)
#define ERROR_warn(n) (ERROR_WARNING)
#ifndef ERROR_catalog
#define ERROR_catalog(t) t
#endif
#ifndef ERROR_dictionary
#define ERROR_dictionary(t) t
#endif
#ifndef ERROR_translate
#define ERROR_translating() (error_info.translate&&(ast.locale.set&(1<<AST_LC_MESSAGES)))
#define ERROR_translate(l,i,d,m) (ERROR_translating()?errorx((const char*)(l),(const char*)(i),(const char*)(d),(const char*)(m)):(char*)(m))
#endif
#define ERROR_INFO 0 /* info message -- no err_id */
#define ERROR_WARNING 1 /* warning message */
#define ERROR_ERROR 2 /* error message -- no err_exit */
#define ERROR_FATAL 3 /* error message with err_exit */
#define ERROR_NOEXEC EXIT_NOEXEC /* shell convention */
#define ERROR_NOENT EXIT_NOTFOUND /* shell convention */
#define ERROR_PANIC ERROR_LEVEL /* panic message with err_exit */
#define ERROR_LEVEL 0x00ff /* level portion of status */
#define ERROR_SYSTEM 0x0100 /* report system errno message */
#define ERROR_OUTPUT 0x0200 /* next arg is error fd */
#define ERROR_SOURCE 0x0400 /* next 2 args are FILE,LINE */
#define ERROR_USAGE 0x0800 /* usage message */
#define ERROR_PROMPT 0x1000 /* omit trailing newline */
#define ERROR_NOID 0x2000 /* omit err_id */
#define ERROR_LIBRARY 0x4000 /* library routine error */
#define ERROR_INTERACTIVE 0x0001 /* context is interactive */
#define ERROR_SILENT 0x0002 /* context is silent */
#define ERROR_NOTIFY 0x0004 /* main(-sig,0,ctx) on signal */
#define ERROR_FREE 0x0010 /* free context on pop */
#define ERROR_POP 0x0020 /* pop context */
#define ERROR_PUSH 0x0040 /* push context */
#define ERROR_SET 0x0080 /* set context */
/*
* errorpush()/errorpop() are obsolete -- use errorctx() instead
*/
#ifndef ERROR_CONTEXT_T
#define ERROR_CONTEXT_T Error_info_t
#endif
#define ERROR_CONTEXT_BASE ((Error_context_t*)&error_info.context)
#define errorpush(p,f) (*(p)=*ERROR_CONTEXT_BASE,*ERROR_CONTEXT_BASE=error_info.empty,error_info.context=(Error_context_t*)(p),error_info.flags=(f))
#define errorpop(p) (*ERROR_CONTEXT_BASE=*(p))
typedef struct Error_info_s Error_info_t;
typedef struct Error_context_s Error_context_t;
#define ERROR_CONTEXT \
ERROR_CONTEXT_T* context; /* prev context stack element */ \
int errors; /* >= ERROR_ERROR count */ \
int flags; /* context flags */ \
int line; /* input|output line number */ \
int warnings; /* ERROR_WARNING count */ \
char* file; /* input|output file name */ \
char* id; /* command id */
struct Error_context_s /* context stack element */
{
ERROR_CONTEXT
};
struct Error_info_s /* error state */
{
int fd; /* write(2) fd */
void (*exit)(int); /* error exit */
ssize_t (*write)(int, const void*, size_t); /* error output */
/* the rest are implicitly initialized */
int clear; /* default clear ERROR_* flags */
int core; /* level>=core -> core dump */
int indent; /* debug trace indent level */
int init; /* initialized */
int last_errno; /* last reported errno */
int mask; /* multi level debug trace mask */
int set; /* default set ERROR_* flags */
int trace; /* debug trace level */
char* version; /* ERROR_SOURCE command version */
int (*auxilliary)(Sfio_t*, int, int); /* aux info to append */
ERROR_CONTEXT /* top of context stack */
Error_context_t empty; /* empty context stack element */
unsigned long time; /* debug time trace */
char* (*translate)(const char*, const char*, const char*, const char*); /* format translator */
const char* catalog; /* message catalog */
};
#ifndef errno
extern int errno; /* system call error status */
#endif
#if _BLD_ast && defined(__EXPORT__)
#define extern extern __EXPORT__
#endif
#if !_BLD_ast && defined(__IMPORT__)
#define extern extern __IMPORT__
#endif
extern Error_info_t* _error_infop_;
#define error_info (*_error_infop_)
#undef extern
#if _BLD_ast && defined(__EXPORT__)
#define extern __EXPORT__
#endif
extern void error(int, ...);
extern int errormsg(const char*, int, ...);
extern int errorf(void*, void*, int, ...);
extern void errorv(const char*, int, va_list);
#ifndef errorx
extern char* errorx(const char*, const char*, const char*, const char*);
#endif
extern Error_info_t* errorctx(Error_info_t*, int, int);
#undef extern
#endif
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