libexplain
1.4.D001
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00001 /* 00002 * libexplain - Explain errno values returned by libc functions 00003 * Copyright (C) 2013 Peter Miller 00004 * 00005 * This program is free software; you can redistribute it and/or modify it 00006 * under the terms of the GNU Lesser General Public License as published by 00007 * the Free Software Foundation; either version 3 of the License, or (at 00008 * your option) any later version. 00009 * 00010 * This program is distributed in the hope that it will be useful, but 00011 * WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 00013 * General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU Lesser General Public License 00016 * along with this program. If not, see <http://www.gnu.org/licenses/>. 00017 */ 00018 00019 #include <libexplain/ac/errno.h> 00020 00021 #include <libexplain/buffer/efault.h> 00022 #include <libexplain/buffer/errno/generic.h> 00023 #include <libexplain/buffer/errno/uname.h> 00024 #include <libexplain/buffer/pointer.h> 00025 #include <libexplain/explanation.h> 00026 00027 00028 static void 00029 explain_buffer_errno_uname_system_call(explain_string_buffer_t *sb, int errnum, 00030 struct utsname *data) 00031 { 00032 (void)errnum; 00033 explain_string_buffer_puts(sb, "uname(data = "); 00034 explain_buffer_pointer(sb, data); 00035 explain_string_buffer_putc(sb, ')'); 00036 } 00037 00038 00039 void 00040 explain_buffer_errno_uname_explanation(explain_string_buffer_t *sb, int errnum, 00041 const char *syscall_name, struct utsname *data) 00042 { 00043 (void)data; 00044 switch (errnum) 00045 { 00046 case EFAULT: 00047 explain_buffer_efault(sb, "data"); 00048 break; 00049 00050 default: 00051 explain_buffer_errno_generic(sb, errnum, syscall_name); 00052 break; 00053 } 00054 } 00055 00056 00057 void 00058 explain_buffer_errno_uname(explain_string_buffer_t *sb, int errnum, struct 00059 utsname *data) 00060 { 00061 explain_explanation_t exp; 00062 00063 explain_explanation_init(&exp, errnum); 00064 explain_buffer_errno_uname_system_call(&exp.system_call_sb, errnum, data); 00065 explain_buffer_errno_uname_explanation(&exp.explanation_sb, errnum, "uname", 00066 data); 00067 explain_explanation_assemble(&exp, sb); 00068 } 00069 00070 00071 /* vim: set ts=8 sw=4 et : */