1: /* strerror-override.h --- POSIX compatible system error routine
2:
3: Copyright (C) 2010-2019 Free Software Foundation, Inc.
4:
5: This program is free software: you can redistribute it and/or modify
6: it under the terms of the GNU General Public License as published by
7: the Free Software Foundation; either version 3 of the License, or
8: (at your option) any later version.
9:
10: This program is distributed in the hope that it will be useful,
11: but WITHOUT ANY WARRANTY; without even the implied warranty of
12: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13: GNU General Public License for more details.
14:
15: You should have received a copy of the GNU General Public License
16: along with this program. If not, see <https://www.gnu.org/licenses/>. */
17:
18: #ifndef _GL_STRERROR_OVERRIDE_H
19: # define _GL_STRERROR_OVERRIDE_H
20:
21: # include <errno.h>
22: # include <stddef.h>
23:
24: /* Reasonable buffer size that should never trigger ERANGE; if this
25: proves too small, we intentionally abort(), to remind us to fix
26: this value. */
27: # define STACKBUF_LEN 256
28:
29: /* If ERRNUM maps to an errno value defined by gnulib, return a string
30: describing the error. Otherwise return NULL. */
31: # if REPLACE_STRERROR_0 \
32: || GNULIB_defined_ESOCK \
33: || GNULIB_defined_ESTREAMS \
34: || GNULIB_defined_EWINSOCK \
35: || GNULIB_defined_ENOMSG \
36: || GNULIB_defined_EIDRM \
37: || GNULIB_defined_ENOLINK \
38: || GNULIB_defined_EPROTO \
39: || GNULIB_defined_EMULTIHOP \
40: || GNULIB_defined_EBADMSG \
41: || GNULIB_defined_EOVERFLOW \
42: || GNULIB_defined_ENOTSUP \
43: || GNULIB_defined_ENETRESET \
44: || GNULIB_defined_ECONNABORTED \
45: || GNULIB_defined_ESTALE \
46: || GNULIB_defined_EDQUOT \
47: || GNULIB_defined_ECANCELED \
48: || GNULIB_defined_EOWNERDEAD \
49: || GNULIB_defined_ENOTRECOVERABLE \
50: || GNULIB_defined_EILSEQ
51: extern const char *strerror_override (int errnum) _GL_ATTRIBUTE_CONST;
52: # else
53: # define strerror_override(ignored) NULL
54: # endif
55:
56: #endif /* _GL_STRERROR_OVERRIDE_H */
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