mirror of
https://github.com/lcn2/calc.git
synced 2025-08-16 01:03:29 +03:00
db77e29a23
Converted all ASCII tabs to ASCII spaces using a 8 character tab stop, for all files, except for all Makefiles (plus rpm.mk). The `git diff -w` reports no changes.
114 lines
3.7 KiB
C
114 lines
3.7 KiB
C
/*
|
|
* errtbl - calc error code table entry
|
|
*
|
|
* Copyright (C) 2023 Ernest Bowen and Landon Curt Noll
|
|
*
|
|
* Calc is open software; you can redistribute it and/or modify it under
|
|
* the terms of the version 2.1 of the GNU Lesser General Public License
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* Calc 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.
|
|
*
|
|
* A copy of version 2.1 of the GNU Lesser General Public License is
|
|
* distributed with calc under the filename COPYING-LGPL. You should have
|
|
* received a copy with calc; if not, write to Free Software Foundation, Inc.
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* Under source code control: 2023/09/12 20:55:14
|
|
* File existed as early as: 2023
|
|
*
|
|
* Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
|
|
*/
|
|
|
|
|
|
#if !defined(INCLUDE_ERRTBL_H)
|
|
#define INCLUDE_ERRTBL_H
|
|
|
|
|
|
#include "attribute.h"
|
|
#include "have_const.h"
|
|
#include "bool.h"
|
|
#include "decl.h"
|
|
|
|
|
|
/*
|
|
* NOTE: See also errsym.h, the file that this code, via errcode -d, via the Makefile, creates
|
|
*
|
|
* We cannot use errsym.h when compiling for errcode (ERRCODE_SRC defined)
|
|
*/
|
|
#if !defined(ERRCODE_SRC)
|
|
#include "errsym.h"
|
|
#endif /* !ERRCODE_SRC */
|
|
|
|
|
|
/*
|
|
* primary error code defines
|
|
*/
|
|
#define E__NONE 0 /* calc_errno cleared: libc errno codes above here */
|
|
#define E__BASE 10000 /* calc computation error codes start above here */
|
|
#define E__USERDEF 20000 /* user defined error codes start here */
|
|
#define E__USERMAX 32767 /* maximum user defined error code */
|
|
|
|
#define USERMAX_DIGITS 5 /* number of decimal digits in E__USERMAX */
|
|
|
|
/*
|
|
* invalid errnum
|
|
*/
|
|
#define NULL_ERRNUM (-1) /* errnum for the final table terminating NULL entry */
|
|
|
|
|
|
/*
|
|
* The error routine.
|
|
*/
|
|
E_FUNC void math_error(char *, ...) \
|
|
__attribute__((format(printf, 1, 2))) __attribute__((noreturn));
|
|
|
|
|
|
/*
|
|
* calc error code, error symbol and error message
|
|
*/
|
|
struct errtbl {
|
|
int errnum; /* calc computation error codes or -1 */
|
|
char *errsym; /* E_STRING - must match regexp: ^E_[A-Z0-9_]+$ or NULL */
|
|
char *errmsg; /* calc error message or NULL */
|
|
};
|
|
|
|
|
|
/*
|
|
* The error_table[] array represents the calc computation error related
|
|
* error codes, symbols and messages.
|
|
*
|
|
* The errnum of the 1st entry error_table[0] must be E__BASE.
|
|
*
|
|
* All errnum for the following entries just be consecutive,
|
|
* except for the final NULL entry.
|
|
*
|
|
* The final entry must have an errnum of -1, errsym of NULL and errmsg of NULL.
|
|
*/
|
|
EXTERN CONST struct errtbl error_table[]; /* calc error codes, error symbols and error messages */
|
|
|
|
|
|
/*
|
|
* external functions
|
|
*/
|
|
E_FUNC bool is_e_digits(CONST char *errsym);
|
|
E_FUNC bool is_valid_errnum(int errnum);
|
|
E_FUNC bool is_errnum_in_error_table(int errnum);
|
|
E_FUNC int e_digits_2_errnum(CONST char *errsym);
|
|
E_FUNC bool is_e_1string(CONST char *errsym);
|
|
E_FUNC bool is_e_2string(CONST char *errsym);
|
|
E_FUNC struct errtbl *find_errsym_in_errtbl(CONST char *errsym, CONST struct errtbl *tbl);
|
|
E_FUNC struct errtbl *find_errnum_in_errtbl(int errnum, CONST struct errtbl *tbl);
|
|
E_FUNC CONST struct errtbl *lookup_errnum_in_error_table(int errnum);
|
|
E_FUNC void verify_error_table(void);
|
|
E_FUNC int errsym_2_errnum(CONST char *errsym);
|
|
E_FUNC char *errnum_2_errsym(int errnum, bool *palloced);
|
|
E_FUNC char *errnum_2_errmsg(int errnum, bool *palloced);
|
|
E_FUNC char *errsym_2_errmsg(CONST char *errsym, bool *palloced);
|
|
|
|
|
|
#endif /* !INCLUDE_ERRTBL_H */
|