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[MINOR] errors: provide new status codes for config parsing functions

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Some config parsing functions need to return composite status codes
when they rely on other functions. Let's provide a few such codes
for general use and extend them later.
This commit is contained in:
Willy Tarreau 2010-06-20 10:26:51 +02:00
parent 2970b0bedf
commit f25fbad356
1 changed files with 38 additions and 19 deletions
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57
include/common/errors.h
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@ -1,23 +1,23 @@
/*
include/common/errors.h
Global error macros and constants
Copyright (C) 2000-2007 Willy Tarreau - w@1wt.eu
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation, version 2.1
exclusively.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
* include/common/errors.h
* Global error macros and constants
*
* Copyright (C) 2000-2010 Willy Tarreau - w@1wt.eu
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, version 2.1
* exclusively.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _COMMON_ERRORS_H
#define _COMMON_ERRORS_H
@ -37,6 +37,25 @@
#define ERR_CODE (ERR_RETRYABLE|ERR_FATAL|ERR_ABORT) /* mask */
/* These codes may be used by config parsing functions which detect errors and
* which need to inform the upper layer about them. They are all prefixed with
* "PE_" for "Parse Error". These codes will probably be extended, and functions
* making use of them should be documented as such. Only code PE_NONE (zero) may
* indicate a valid condition, all other ones must be caught as errors, event if
* unknown by the caller. This must not be used to forward warnings.
*/
enum {
PE_NONE = 0, /* no error */
PE_ENUM_OOR, /* enum data out of allowed range */
PE_EXIST, /* trying to create something which already exists */
PE_ARG_MISSING, /* mandatory argument not provided */
PE_ARG_NOT_USED, /* argument provided cannot be used */
PE_ARG_INVC, /* invalid char in argument (pointer not provided) */
PE_ARG_INVC_PTR, /* invalid char in argument (pointer provided) */
PE_ARG_NOT_FOUND, /* argument references something not found */
};
#endif /* _COMMON_ERRORS_H */
/*