1/* mkw32errmap.c - Generate mapping sources for Windows. 2 Copyright (C) 2010 g10 Code GmbH 3 4 This file is part of libgpg-error. 5 6 libgpg-error is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Lesser General Public License 8 as published by the Free Software Foundation; either version 2.1 of 9 the License, or (at your option) any later version. 10 11 libgpg-error is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Lesser General Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public 17 License along with this program; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 20#ifdef RESOLVE_MACROS 21# include <winerror.h> 22#endif 23#include <stdio.h> 24#include <stdlib.h> 25 26static const char header_gpg_extra_errno_h[] = 27 "/* errno.h - WindowsCE errno.h substitute\n" 28 " Copyright (C) 2010 g10 Code GmbH\n" 29 "\n" 30 " This file is free software; as a special exception the author gives\n" 31 " unlimited permission to copy and/or distribute it, with or without\n" 32 " modifications, as long as this notice is preserved.\n" 33 "\n" 34 " This file is distributed in the hope that it will be useful, but\n" 35 " WITHOUT ANY WARRANTY, to the extent permitted by law; without even\n" 36 " the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n" 37 " PURPOSE.\n" 38 "\n" 39 " +++ Do not edit! File has been generated by mkw32errmap.c +++\n" 40 "\n" 41 " This file is intended to be used with ming32ce-gcc to implement an\n" 42 " errno substitute under WindowsCE. It must be included via gcc's\n" 43 " -idirafter option. The gpg-error-config script emits the\n" 44 " appropriate option snippet. The actual implementation of the errno\n" 45 " related functions are part of libgpg-error. A separate header file\n" 46 " is required because errno.h is often included before gpg-error.h.\n" 47 " */\n" 48 "\n" 49 "#ifndef _GPG_ERROR_EXTRA_ERRNO_H\n" 50 "#define _GPG_ERROR_EXTRA_ERRNO_H\n" 51 "\n" 52 "/* Due to peculiarities in W32 we can't implement ERRNO as an\n" 53 " writable lvalue. This also allows us to easily find places\n" 54 " where ERRNO is being written to. See also gpg_err_set_errno. */\n" 55 "int _gpg_w32ce_get_errno (void);\n" 56 "#define errno (_gpg_w32ce_get_errno ())\n" 57 "\n"; 58static const char footer_gpg_extra_errno_h[] = 59 "\n" 60 "#endif /*_GPG_ERROR_EXTRA_ERRNO_H*/\n"; 61 62 63/* The table below is used in two modes. First we run the host 64 preprocessor over it to generate a new include file. This include 65 file has the same content but the Windows error macros are 66 resolved. This is so that we don't need to include winerror.h into 67 the generated errno.h. The mkw32errmap_marker variable is only 68 here to have something to grep for after preprocessing. */ 69static int mkw32errmap_marker; 70struct table_s 71{ 72 int *dummy; 73 const char *name; 74 int w32code; 75 int w32code2; 76}; 77 78struct table_s table[] = 79 { 80#ifdef RESOLVE_MACROS 81#define X(a,b,c) \ 82 {&mkw32errmap_marker, (a), (b), (c)} 83 X( "EPERM", ERROR_CANNOT_MAKE , 0 ), 84 X( "ENOENT", ERROR_FILE_NOT_FOUND , ERROR_PATH_NOT_FOUND ), 85 X( "EINTR", ERROR_INVALID_AT_INTERRUPT_TIME , 0 ), 86 X( "EIO", ERROR_IO_DEVICE , 0 ), 87 X( "ENXIO", ERROR_FILE_INVALID , 0 ), 88 X( "EBADF", ERROR_INVALID_HANDLE , 0 ), 89 X( "EAGAIN", ERROR_MORE_DATA , WSAEWOULDBLOCK ), 90 91 X( "ENOMEM", ERROR_NOT_ENOUGH_MEMORY , 0 ), 92 X( "EACCES", ERROR_ACCESS_DENIED , 0 ), 93 X( "EFAULT", ERROR_PROCESS_ABORTED , 0 ), 94 X( "EBUSY", ERROR_BUSY , 0 ), 95 X( "EEXIST", ERROR_FILE_EXISTS , WSAEADDRINUSE ), 96 97 X( "EXDEV", ERROR_NOT_SAME_DEVICE , 0 ), 98 X( "ENODEV", ERROR_BAD_DEVICE , ERROR_DEV_NOT_EXIST ), 99 100 X( "ENOTDIR",ERROR_DIRECTORY , 0 ), 101 X( "EINVAL", ERROR_INVALID_PARAMETER , 0 ), 102 X( "ENFILE", ERROR_NO_MORE_FILES , 0 ), 103 X( "EMFILE", ERROR_TOO_MANY_OPEN_FILES , 0 ), 104 X( "ENOSPC", ERROR_DISK_FULL , 0 ), 105 X( "EROFS", ERROR_WRITE_PROTECT , 0 ), 106 X( "EPIPE", ERROR_BROKEN_PIPE , 0 ), 107 X( "ERANGE", ERROR_ARITHMETIC_OVERFLOW , 0 ), 108 X( "EDEADLOCK",ERROR_POSSIBLE_DEADLOCK , 0 ), 109 X( "ENAMETOOLONG", ERROR_FILENAME_EXCED_RANGE, 0 ), 110 X( "ENOLCK", ERROR_SHARING_BUFFER_EXCEEDED , 0 ), 111 X( "ENOSYS", ERROR_NOT_SUPPORTED , 0 ), 112 X( "ENOTEMPTY",ERROR_DIR_NOT_EMPTY , 0 ), 113 X( "ESPIPE", ERROR_SEEK_ON_DEVICE , 0 ), 114#if 0 /* FIXME: Find appropriate mappings. */ 115 X( "EILSEQ", ), 116 X( "EDOM", ), 117 X( "EMLINK", ), 118 X( "ESRCH", ), /* No such process */ 119 X( "E2BIG", ), /* Arg list too long */ 120 X( "ENOEXEC", ), /* Exec format error */ 121 X( "ECHILD", ), /* No child processes */ 122 X( "EISDIR", ), /* Is a directory */ 123 X( "ENOTTY", ), /* Inappropriate I/O control operation */ 124 X( "EFBIG", ), /* File too large */ 125#endif 126#undef X 127#else /*!RESOLVE_MACROS*/ 128# include "mkw32errmap.tab.h" 129#endif /*!RESOLVE_MACROS*/ 130 { NULL, 0 } 131 }; 132 133 134 135static int 136compare_table (const void *a_v, const void *b_v) 137{ 138 const struct table_s *a = a_v; 139 const struct table_s *b = b_v; 140 141 return (a->w32code - b->w32code); 142} 143 144 145int 146main (int argc, char **argv) 147{ 148 int idx; 149 150 for (idx=0; table[idx].name; idx++) 151 ; 152 qsort (table, idx, sizeof *table, compare_table); 153 154 if (argc == 2 && !strcmp (argv[1], "--map")) 155 { 156 fputs ("static int\n" 157 "map_w32codes (int err)\n" 158 "{\n" 159 " switch (err)\n" 160 " {\n", stdout ); 161 for (idx=0; table[idx].name; idx++) 162 if (table[idx].w32code2) 163 printf (" case %d: return %d;\n", 164 table[idx].w32code2, table[idx].w32code); 165 fputs (" default: return err;\n" 166 " }\n" 167 "}\n", stdout); 168 } 169 else 170 { 171 fputs (header_gpg_extra_errno_h, stdout); 172 for (idx=0; table[idx].name; idx++) 173 printf ("#define %-12s %5d\n", table[idx].name, table[idx].w32code); 174 fputs (footer_gpg_extra_errno_h, stdout); 175 } 176 177 return 0; 178} 179