programs/winepath/winepath.c

   1 /*
   2  * Translate between Windows and Unix paths formats
   3  *
   4  * Copyright 2002 Mike Wetherell
   5  * Copyright 2005 Dmitry Timoshkov
   6  * Copyright 2005 Francois Gouget
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #define WIN32_LEAN_AND_MEAN
  24 #include <windows.h>
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <fcntl.h>
  28 #include <io.h>
  29
  30 #include "wine/debug.h"
  31
  32 enum {
  33     SHORTFORMAT   = 1,
  34     LONGFORMAT    = 2,
  35     UNIXFORMAT    = 4,
  36     WINDOWSFORMAT = 8,
  37     PRINT0        = 16,
  38 };
  39
  40 static const char progname[] = "winepath";
  41
  42 /*
  43  * handle an option
  44  */
  45 static int option(int shortopt, const WCHAR *longopt)
  46 {
  47     static const char helpmsg[] =
  48     "Convert PATH(s) to Unix or Windows long or short paths.\n"
  49     "\n"
  50     "  -u, --unix    converts a Windows path to a Unix path\n"
  51     "  -w, --windows converts a Unix path to a long Windows path\n"
  52     "  -l, --long    converts the short Windows path of an existing file or\n"
  53     "                directory to the long format\n"
  54     "  -s, --short   converts the long Windows path of an existing file or\n"
  55     "                directory to the short format\n"
  56     "  -0            separate output with \\0 character, instead of a newline\n"
  57     "  -h, --help    output this help message and exit\n"
  58     "\n"
  59     "If more than one option is given then the input paths are output in\n"
  60     "all formats specified, in the order long, short, Unix, Windows.\n"
  61     "If no option is given the default is Unix format.\n";
  62
  63     switch (shortopt) {
  64         case 'h':
  65             printf("Usage: %s [OPTION] [PATH]...\n", progname);
  66             printf(helpmsg);
  67             exit(0);
  68         case 'l':
  69             return LONGFORMAT;
  70         case 's':
  71             return SHORTFORMAT;
  72         case 'u':
  73             return UNIXFORMAT;
  74         case 'w':
  75             return WINDOWSFORMAT;
  76         case '0':
  77             return PRINT0;
  78     }
  79
  80     fprintf(stderr, "%s: invalid option ", progname);
  81     if (longopt)
  82         fprintf(stderr, "%s\n", wine_dbgstr_w(longopt));
  83     else
  84         fprintf(stderr, "'-%c'\n", shortopt);
  85     fprintf(stderr, "Try '%s --help' for help\n", progname);
  86     exit(2);
  87 }
  88
  89 /*
  90  * Parse command line options
  91  */
  92 static int parse_options(WCHAR *argv[])
  93 {
  94     static const WCHAR *longopts[] = { L"long", L"short", L"unix", L"windows", L"help", NULL };
  95     int outputformats = 0;
  96     BOOL done = FALSE;
  97     int i, j;
  98
  99     for (i = 1; argv[i] && !done; )
 100     {
 101         if (argv[i][0] != '-') {
 102             /* not an option */
 103             i++;
 104             continue;
 105         }
 106
 107         if (argv[i][1] == '-') {
 108             if (argv[i][2] == 0) {
 109                 /* '--' end of options */
 110                 done = TRUE;
 111             } else {
 112                 /* long option */
 113                 for (j = 0; longopts[j]; j++)
 114                     if (!lstrcmpiW(argv[i]+2, longopts[j]))
 115                         break;
 116                 if (longopts[j]) outputformats |= option(longopts[j][0], argv[i]);
 117             }
 118         } else {
 119             /* short options */
 120             for (j = 1; argv[i][j]; j++)
 121                 outputformats |= option(argv[i][j], NULL);
 122         }
 123
 124         /* remove option */
 125         for (j = i + 1; argv[j - 1]; j++)
 126             argv[j - 1] = argv[j];
 127     }
 128
 129     return outputformats;
 130 }
 131
 132 /*
 133  * Main function
 134  */
 135 int __cdecl wmain(int argc, WCHAR *argv[])
 136 {
 137     LPSTR (*CDECL wine_get_unix_file_name_ptr)(LPCWSTR) = NULL;
 138     LPWSTR (*CDECL wine_get_dos_file_name_ptr)(LPCSTR) = NULL;
 139     WCHAR dos_pathW[MAX_PATH];
 140     char path[MAX_PATH];
 141     int outputformats;
 142     int i;
 143     int separator;
 144
 145     setmode( fileno(stdout), O_BINARY );  /* avoid crlf */
 146
 147     outputformats = parse_options(argv);
 148
 149     if (outputformats & PRINT0)
 150     {
 151         separator = '\0';
 152         outputformats ^= PRINT0;
 153     }
 154     else
 155         separator = '\n';
 156
 157     if (outputformats == 0)
 158         outputformats = UNIXFORMAT;
 159
 160     if (outputformats & UNIXFORMAT) {
 161         wine_get_unix_file_name_ptr = (void*)
 162             GetProcAddress(GetModuleHandleA("KERNEL32"),
 163                            "wine_get_unix_file_name");
 164         if (wine_get_unix_file_name_ptr == NULL) {
 165             fprintf(stderr, "%s: cannot get the address of "
 166                             "'wine_get_unix_file_name'\n", progname);
 167             exit(3);
 168         }
 169     }
 170
 171     if (outputformats & WINDOWSFORMAT) {
 172         wine_get_dos_file_name_ptr = (void*)
 173             GetProcAddress(GetModuleHandleA("KERNEL32"),
 174                            "wine_get_dos_file_name");
 175         if (wine_get_dos_file_name_ptr == NULL) {
 176             fprintf(stderr, "%s: cannot get the address of "
 177                             "'wine_get_dos_file_name'\n", progname);
 178             exit(3);
 179         }
 180     }
 181
 182     for (i = 1; argv[i]; i++)
 183     {
 184         *path='\0';
 185         if (outputformats & LONGFORMAT) {
 186             if (GetLongPathNameW(argv[i], dos_pathW, MAX_PATH))
 187                 WideCharToMultiByte(CP_UNIXCP, 0, dos_pathW, -1, path, MAX_PATH, NULL, NULL);
 188             printf("%s%c", path, separator);
 189         }
 190         if (outputformats & SHORTFORMAT) {
 191             if (GetShortPathNameW(argv[i], dos_pathW, MAX_PATH))
 192                 WideCharToMultiByte(CP_UNIXCP, 0, dos_pathW, -1, path, MAX_PATH, NULL, NULL);
 193             printf("%s%c", path, separator);
 194         }
 195         if (outputformats & UNIXFORMAT) {
 196             WCHAR *ntpath, *tail;
 197             int ntpathlen=lstrlenW(argv[i]);
 198             ntpath=HeapAlloc(GetProcessHeap(), 0, sizeof(*ntpath)*(ntpathlen+1));
 199             lstrcpyW(ntpath, argv[i]);
 200             tail=NULL;
 201             while (1)
 202             {
 203                 char *unix_name;
 204                 WCHAR *slash, *c;
 205
 206                 unix_name = wine_get_unix_file_name_ptr(ntpath);
 207                 if (unix_name)
 208                 {
 209                     if (tail)
 210                     {
 211                         WideCharToMultiByte(CP_UNIXCP, 0, tail+1, -1, path, MAX_PATH, NULL, NULL);
 212                         printf("%s/%s%c", unix_name, path, separator);
 213                     }
 214                     else
 215                     {
 216                         printf("%s%c", unix_name, separator);
 217                     }
 218                     HeapFree( GetProcessHeap(), 0, unix_name );
 219                     break;
 220                 }
 221
 222                 slash=(tail ? tail : ntpath+ntpathlen);
 223                 while (slash != ntpath && *slash != '/' && *slash != '\\')
 224                     slash--;
 225                 if (slash == ntpath)
 226                 {
 227                     /* This is a complete path conversion failure.
 228                      * It would typically happen if ntpath == "".
 229                      */
 230                     printf("%c", separator);
 231                     break;
 232                 }
 233                 c=slash+1;
 234                 while (*c != '\0' && *c != '*' && *c != '?' &&
 235                        *c != '<' && *c != '>' && *c != '|' && *c != '"')
 236                     c++;
 237                 if (*c != '\0')
 238                 {
 239                     /* If this is not a valid NT path to start with,
 240                      * then obviously we cannot convert it.
 241                      */
 242                     printf("%c", separator);
 243                     break;
 244                 }
 245                 if (tail)
 246                     *tail='/';
 247                 tail=slash;
 248                 *tail='\0';
 249             }
 250             HeapFree(GetProcessHeap(), 0, ntpath);
 251         }
 252         if (outputformats & WINDOWSFORMAT) {
 253             WCHAR* windows_name;
 254             char* unix_name;
 255             DWORD size;
 256
 257             size=WideCharToMultiByte(CP_UNIXCP, 0, argv[i], -1, NULL, 0, NULL, NULL);
 258             unix_name=HeapAlloc(GetProcessHeap(), 0, size);
 259             WideCharToMultiByte(CP_UNIXCP, 0, argv[i], -1, unix_name, size, NULL, NULL);
 260
 261             if ((windows_name = wine_get_dos_file_name_ptr(unix_name)))
 262             {
 263                 WideCharToMultiByte(CP_UNIXCP, 0, windows_name, -1, path, MAX_PATH, NULL, NULL);
 264                 printf("%s%c", path, separator);
 265                 HeapFree( GetProcessHeap(), 0, windows_name );
 266             }
 267             else printf("%c", separator);
 268             HeapFree( GetProcessHeap(), 0, unix_name );
 269         }
 270     }
 271
 272     exit(0);
 273 }