Fossil

Check-in [2900c25d]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:off-by-24 error in handling of long directory names (>MAX_PATH-12) on Windows
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 2900c25d1a3032772f6d8aa9a0bb5225579079f4
User & Date: jan.nijtmans 2015-12-04 14:57:22
Context
2015-12-05
18:53
Minor tweak to the server.wiki document. check-in: e75f160c user: drh tags: trunk
2015-12-04
14:57
off-by-24 error in handling of long directory names (>MAX_PATH-12) on Windows check-in: 2900c25d user: jan.nijtmans tags: trunk
14:36
Update OpenSSL to version 1.0.2e check-in: 1376aa44 user: jan.nijtmans tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/utf8.c.

215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
  ** path prefix and the path is larger than MAX_PATH chars,
  ** no Win32 API function can handle that unless it is
  ** prefixed with the extended path prefix. See:
  ** <http://msdn.microsoft.com/en-us/library/aa365247(VS.85).aspx#maxpath>
  **/
  if( fossil_isalpha(zUtf8[0]) && zUtf8[1]==':'
           && (zUtf8[2]=='\\' || zUtf8[2]=='/') ){
    if( wUnicode==zUnicode && (nChar-nReserved)>MAX_PATH){
      memmove(wUnicode+4, wUnicode, nChar*sizeof(wchar_t));
      memcpy(wUnicode, L"\\\\?\\", 4*sizeof(wchar_t));
      wUnicode += 4;
    }
    /*
    ** If (remainder of) path starts with "<drive>:/" or "<drive>:\",
    ** leave the ':' intact but translate the backslash to a slash.
    */
    wUnicode[2] = '\\';
    wUnicode += 3;
  }else if( wUnicode==zUnicode && (nChar-nReserved)>MAX_PATH
            && (zUtf8[0]=='\\' || zUtf8[0]=='/')
            && (zUtf8[1]=='\\' || zUtf8[1]=='/') && zUtf8[2]!='?'){
    memmove(wUnicode+6, wUnicode, nChar*sizeof(wchar_t));
    memcpy(wUnicode, L"\\\\?\\UNC", 7*sizeof(wchar_t));
    wUnicode += 7;
  }
  /*







|










|







215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
  ** path prefix and the path is larger than MAX_PATH chars,
  ** no Win32 API function can handle that unless it is
  ** prefixed with the extended path prefix. See:
  ** <http://msdn.microsoft.com/en-us/library/aa365247(VS.85).aspx#maxpath>
  **/
  if( fossil_isalpha(zUtf8[0]) && zUtf8[1]==':'
           && (zUtf8[2]=='\\' || zUtf8[2]=='/') ){
    if( wUnicode==zUnicode && (nChar+nReserved)>MAX_PATH){
      memmove(wUnicode+4, wUnicode, nChar*sizeof(wchar_t));
      memcpy(wUnicode, L"\\\\?\\", 4*sizeof(wchar_t));
      wUnicode += 4;
    }
    /*
    ** If (remainder of) path starts with "<drive>:/" or "<drive>:\",
    ** leave the ':' intact but translate the backslash to a slash.
    */
    wUnicode[2] = '\\';
    wUnicode += 3;
  }else if( wUnicode==zUnicode && (nChar+nReserved)>MAX_PATH
            && (zUtf8[0]=='\\' || zUtf8[0]=='/')
            && (zUtf8[1]=='\\' || zUtf8[1]=='/') && zUtf8[2]!='?'){
    memmove(wUnicode+6, wUnicode, nChar*sizeof(wchar_t));
    memcpy(wUnicode, L"\\\\?\\UNC", 7*sizeof(wchar_t));
    wUnicode += 7;
  }
  /*