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/* ****************************************************************************
 * errno.h -- libc error codes.
 *
 * Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
 *
 * This file is part of the 'all/core' module in libcarrot, an experimental
 * modular libc project.
 *
 * This file 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, either version 3 of the License, or (at your option)
 * any later version.
 *
 * This file 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 Lesser Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this file. If not, see <http://www.gnu.org/licenses/>.
 * ************************************************************************* */
#include <cdefs.h>
__BEGIN_DECLS

/* Global variable management.
 * Because of potential concurrency problems, write access to this variable
 * should be executed using the `__set_errno()` function below. */

extern volatile int errno;

extern void __set_errno _OF((int __value));

/* Errors from the Renesas/Hitachi C/C++ library (version 06.00). */

#define ERANGE   1100 /* `data out of RANGE`:
                       * result of a function cannot be represented as a float
                       * type value, or if overflow or underflow occurs. */
#define EDOM     1101 /* `data out of DOMain`:
                       * the value of a parameter input to a function is
                       * outside the range of values defined in
                       * the function */
#define EDIV     1102 /* ??? (XXX) */
#define ESTRN    1104 /* `Too long string`:
                       * the length of string literal exceeds 512 chars. */
#define PTRERR   1106 /* `Invalid file pointer`:
                       * the NULL pointer constant is specified as the file
                       * pointer value. */
#define SEQERR   1108 /* ??? (XXX) */
#define ECBASE   1200 /* `Invalid radix`:
                       * an invalid radix was specified. */
#define ETLN     1202 /* `Number too long`:
                       * the specified number exceeds the number of
                       * significiant digits. */
#define EEXP     1204 /* `Exponent too large`:
                       * the specified exponent exceeds three digits. */
#define EEXPN    1206 /* `Normalized exponent too large`:
                       * the exponent exceeds three digits when the string
                       * literal is normalized to the IEEE standard decimal
                       * format. */
#define ENUM     1208 /* ??? (XXX) */
#define EFLOATO  1210 /* `Overflow out of float`:
                       * A float-type decimal value is out of range
                       * (overflow). */
#define EFLOATU  1220 /* `Underflow out of float`:
                       * A float-type decimal value is out of range
                       * (underflow). */
#define EDBLO    1250 /* `Overflow out of double`:
                       * A double-type decimal value is out of range
                       * (overflow). */
#define EDBLU    1260 /* `Underflow out of double`:
                       * A double-type decimal value is out of range
                       * (underflow). */
#define ELDBLO   1270 /* `Overflow out of long double`:
                       * A long double-type decimal value is out of range
                       * (overflow). */
#define ELDBLU   1280 /* `Underflow out of long double`:
                       * A long double-type decimal value is out of range
                       * (underflow). */
#define NOTOPN   1300 /* `File not open`:
                       * The file is not open. */
#define EBADF    1302 /* `Bad file number`:
                       * An output function was issued for an input-only file,
                       * or an input function was issued for an output-only
                       * file. */
#define ECSPEC   1304 /* `Error in format`:
                       * An erroneous format was specified for an input/output
                       * function using format. */

/* Some more functions extracted from the 09.00 manual. */

# define EFIXEDO  1400 /* `Overflow  out of __fixed` */
# define EFIXEDU  1410 /* `Underflow out of __fixed` */
# define EACCUMO  1420 /* `Overflow  out of __accum` */
# define EACCUMU  1430 /* `Underflow out of __accum` */
# define ELFIXEDO 1440 /* `Overflow  out of long __fixed` */
# define ELFIXEDU 1450 /* `Underflow out of long __fixed` */
# define ELACCUMO 1460 /* `Overflow  out of long __accum` */
# define ELACCUMU 1470 /* `Underflow out of long __accum` */

# define EMALRESM 2100 /* `Error in waiting semaphore`:
                        * Failed to define semaphore resources for malloc. */
# define EMALFRSM 2101 /* `Error in signaling semaphore`:
                        * Failed to define semaphore resources for malloc. */
# define ETOKRESM 2110 /* `Error in waiting semaphore`:
                        * Failed to define semaphore resources for strtok. */
# define ETOKFRSM 2111 /* `Error in signaling semaphore`:
                        * Failed to release semaphore resources for malloc. */
# define EIOBRESM 2120 /* `Error in waiting semaphore`:
                        * Failed to release semaphore resources
                        * for `_iob` (fopen). */
# define EIOBFRSM 2121 /* `Error in signaling semaphore`:
                        * Failed to release semaphore resources
                        * for `_iob` (fopen). */

__END_DECLS