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Diffstat (limited to 'usr/src/lib/libast/common/include/error.h')
| -rw-r--r-- | usr/src/lib/libast/common/include/error.h | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/usr/src/lib/libast/common/include/error.h b/usr/src/lib/libast/common/include/error.h new file mode 100644 index 0000000000..e1af2396de --- /dev/null +++ b/usr/src/lib/libast/common/include/error.h @@ -0,0 +1,182 @@ +/*********************************************************************** +* * +* This software is part of the ast package * +* Copyright (c) 1985-2007 AT&T Knowledge Ventures * +* and is licensed under the * +* Common Public License, Version 1.0 * +* by AT&T Knowledge Ventures * +* * +* 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):(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 |