1 /* Copyright (C) 1993,95,96,97,98,2000,02 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 #include <mach/error.h>
24 #include <sys/param.h>
25 #include <stdio-common/_itoa.h>
27 /* It is critical here that we always use the `dcgettext' function for
28 the message translation. Since <libintl.h> only defines the macro
29 `dgettext' to use `dcgettext' for optimizing programs this is not
32 # include <locale.h> /* We need LC_MESSAGES. */
33 # define dgettext(domainname, msgid) dcgettext (domainname, msgid, LC_MESSAGES)
36 /* Return a string describing the errno code in ERRNUM. */
38 __strerror_r (int errnum, char *buf, size_t buflen)
43 const struct error_system *es;
44 extern void __mach_error_map_compat (int *);
46 __mach_error_map_compat (&errnum);
48 system = err_get_system (errnum);
49 sub = err_get_sub (errnum);
50 code = err_get_code (errnum);
52 if (system > err_max_system || ! __mach_error_systems[system].bad_sub)
54 /* Buffer we use to print the number in. For a maximum size for
55 `int' of 8 bytes we never need more than 20 digits. */
57 const char *unk = _("Error in unknown error system: ");
58 const size_t unklen = strlen (unk);
62 p = _itoa_word (errnum, &numbuf[20], 16, 1);
64 /* Now construct the result while taking care for the destination
66 q = __mempcpy (buf, unk, MIN (unklen, buflen));
68 memcpy (q, p, MIN (&numbuf[21] - p, buflen - unklen));
70 /* Terminate the string in any case. */
72 buf[buflen - 1] = '\0';
77 es = &__mach_error_systems[system];
79 if (sub >= es->max_sub)
80 return (char *) es->bad_sub;
82 if (code >= es->subsystem[sub].max_code)
84 /* Buffer we use to print the number in. For a maximum size for
85 `int' of 8 bytes we never need more than 20 digits. */
87 const char *unk = _("Unknown error ");
88 const size_t unklen = strlen (unk);
90 size_t len = strlen (es->subsystem[sub].subsys_name);
93 p = _itoa_word (errnum, &numbuf[20], 10, 0);
95 /* Now construct the result while taking care for the destination
97 q = __mempcpy (buf, unk, MIN (unklen, buflen));
100 q = __mempcpy (q, es->subsystem[sub].subsys_name,
101 MIN (len, buflen - unklen));
102 if (unklen + len < buflen)
105 if (unklen + len + 1 < buflen)
107 MIN (&numbuf[21] - p, buflen - unklen - len - 1));
111 /* Terminate the string in any case. */
113 buf[buflen - 1] = '\0';
118 return (char *) _(es->subsystem[sub].codes[code]);
120 libc_hidden_def (__strerror_r)
121 weak_alias (__strerror_r, strerror_r)