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Fixed GetShortPathNameA.

This commit is contained in:
Peter Ganten 1999-12-12 20:44:07 +00:00 committed by Alexandre Julliard
parent 088a76b8ba
commit d580b8344d
1 changed files with 44 additions and 50 deletions
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94
files/dos_fs.c
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@ -889,8 +889,8 @@ BOOL DOSFS_GetFullName( LPCSTR name, BOOL check_last, DOS_FULL_NAME *full )
* b) file does exist -> set the short filename.
* - trailing slashes are reproduced in the short name, even if the
* file is not a directory
* - the absolute/relative path of the short name is reproduced in the
* same way, like the long name
* - the absolute/relative path of the short name is reproduced like found
* in the long name
* - longpath and shortpath may have the same adress
* Peter Ganten, 1999
*/
@ -899,8 +899,11 @@ DWORD WINAPI GetShortPathNameA( LPCSTR longpath, LPSTR shortpath,
{
DOS_FULL_NAME full_name;
LPSTR tmpshortpath;
DWORD length = 0, pos = 0;
INT start=-1, end=-1, tmplen;
DWORD sp = 0, lp = 0;
int tmplen, drive;
UINT flags;
TRACE("%s\n", longpath);
if (!longpath) {
SetLastError(ERROR_INVALID_PARAMETER);
@ -911,69 +914,60 @@ DWORD WINAPI GetShortPathNameA( LPCSTR longpath, LPSTR shortpath,
return 0;
}
tmpshortpath = HeapAlloc( GetProcessHeap(), 0, MAX_PATHNAME_LEN );
if ( !tmpshortpath ) {
if ( ( tmpshortpath = HeapAlloc ( GetProcessHeap(), 0, MAX_PATHNAME_LEN ) ) == NULL ) {
SetLastError ( ERROR_NOT_ENOUGH_MEMORY );
return 0;
}
/* Check for Drive-Letter */
/* check for drive letter */
if ( longpath[1] == ':' ) {
lstrcpynA ( tmpshortpath, longpath, 3 );
length = 2;
pos = 2;
tmpshortpath[0] = longpath[0];
tmpshortpath[1] = ':';
sp = 2;
}
/* loop over each part of the name */
while ( longpath[pos] ) {
if ( ( drive = DOSFS_GetPathDrive ( &longpath )) == -1 ) return 0;
flags = DRIVE_GetFlags ( drive );
if (( longpath[pos] == '\\' ) ||
( longpath[pos+1] == '\0' ) ||
( longpath[pos] == '/')) {
while ( longpath[lp] ) {
if ( start != -1 ) {
if ( DOSFS_ValidDOSName ( longpath + start, TRUE )) {
tmplen = end - start + ( (( longpath[pos] == '\\' ) || ( longpath[pos] == '/' )) ? 1 : 2 );
lstrcpynA ( tmpshortpath+length, longpath+start, tmplen );
length += tmplen - 1;
}
else {
DOSFS_Hash ( longpath + start, tmpshortpath+length, FALSE, FALSE );
length = lstrlenA ( tmpshortpath );
/* Check if the path, up to this point exists */
if ( !DOSFS_GetFullName ( tmpshortpath, TRUE, &full_name ) ) {
SetLastError ( ERROR_FILE_NOT_FOUND );
return 0;
}
}
}
if (( longpath[pos] == '\\' ) || ( longpath[pos] == '/' )) {
tmpshortpath[length] = '\\';
tmpshortpath[length+1]='\0';
length++;
}
pos++;
start = -1;
end = -1;
/* check for path delimiters and reproduce them */
if ( longpath[lp] == '\\' || longpath[lp] == '/' ) {
tmpshortpath[sp] = longpath[lp];
sp++;
lp++;
continue;
}
if ( start == -1 ) {
start = pos;
tmplen = strcspn ( longpath + lp, "\\/" );
lstrcpynA ( tmpshortpath+sp, longpath + lp, tmplen+1 );
/* Check, if the current element is a valid dos name */
if ( DOSFS_ValidDOSName ( longpath + lp, !(flags & DRIVE_CASE_SENSITIVE) ) ) {
sp += tmplen;
lp += tmplen;
continue;
}
pos++;
end = pos;
/* Check if the file exists and use the existing file name */
if ( DOSFS_GetFullName ( tmpshortpath, TRUE, &full_name ) ) {
lstrcpyA ( tmpshortpath+sp, strrchr ( full_name.short_name, '\\' ) + 1 );
sp += lstrlenA ( tmpshortpath+sp );
lp += tmplen;
continue;
}
TRACE("not found!\n" );
SetLastError ( ERROR_FILE_NOT_FOUND );
return 0;
}
lstrcpynA ( shortpath, tmpshortpath, shortlen );
length = lstrlenA ( tmpshortpath );
TRACE("returning %s\n", shortpath );
tmplen = lstrlenA ( tmpshortpath );
HeapFree ( GetProcessHeap(), 0, tmpshortpath );
return length;
return tmplen;
}