libexplain
1.4.D001
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00001 /* 00002 * libexplain - Explain errno values returned by libc functions 00003 * Copyright (C) 2009, 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 00012 * ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNULesser 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/ebadf.h> 00022 #include <libexplain/buffer/eio.h> 00023 #include <libexplain/buffer/enosys.h> 00024 #include <libexplain/buffer/erofs.h> 00025 #include <libexplain/buffer/errno/generic.h> 00026 #include <libexplain/buffer/errno/fsync.h> 00027 #include <libexplain/buffer/fildes.h> 00028 #include <libexplain/explanation.h> 00029 00030 00031 static void 00032 explain_buffer_errno_fsync_system_call(explain_string_buffer_t *sb, int errnum, 00033 int fildes) 00034 { 00035 (void)errnum; 00036 explain_string_buffer_puts(sb, "fsync(fildes = "); 00037 explain_buffer_fildes(sb, fildes); 00038 explain_string_buffer_putc(sb, ')'); 00039 } 00040 00041 00042 void 00043 explain_buffer_errno_fsync_explanation(explain_string_buffer_t *sb, int errnum, 00044 const char *syscall_name, int fildes) 00045 { 00046 /* 00047 * http://www.opengroup.org/onlinepubs/009695399/functions/fsync.html 00048 */ 00049 switch (errnum) 00050 { 00051 case EBADF: 00052 explain_buffer_ebadf(sb, fildes, "fildes"); 00053 break; 00054 00055 case EIO: 00056 explain_buffer_eio_fildes(sb, fildes); 00057 break; 00058 00059 case EROFS: 00060 explain_buffer_erofs_fildes(sb, fildes, "fildes"); 00061 break; 00062 00063 case EINVAL: 00064 case ENOSYS: 00065 #if defined(EOPNOTSUPP) && (EOPNOTSUPP != ENOSYS) 00066 case EOPNOTSUPP: 00067 #endif 00068 #if defined(ENOTSUP) && (ENOTSUP != EOPNOTSUPP) 00069 case ENOTSUP: 00070 #endif 00071 explain_buffer_enosys_fildes(sb, fildes, "fildes", syscall_name); 00072 break; 00073 00074 default: 00075 explain_buffer_errno_generic(sb, errnum, syscall_name); 00076 break; 00077 } 00078 } 00079 00080 00081 void 00082 explain_buffer_errno_fsync(explain_string_buffer_t *sb, int errnum, int fildes) 00083 { 00084 explain_explanation_t exp; 00085 00086 explain_explanation_init(&exp, errnum); 00087 explain_buffer_errno_fsync_system_call(&exp.system_call_sb, errnum, fildes); 00088 explain_buffer_errno_fsync_explanation(&exp.explanation_sb, errnum, "fsync", 00089 fildes); 00090 explain_explanation_assemble(&exp, sb); 00091 } 00092 00093 00094 /* vim: set ts=8 sw=4 et : */