| /* |
| * Copyright (c) 1994, 2004, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * Machine dependent path name and file name manipulation code |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <ctype.h> |
| #include <sys/stat.h> |
| |
| #include <windows.h> |
| #include <errno.h> |
| |
| #include "hpi_impl.h" |
| |
| #undef DEBUG_PATH /* Define this to debug path code */ |
| |
| #define isfilesep(c) ((c) == '/' || (c) == '\\') |
| #define islb(c) (IsDBCSLeadByte((BYTE)(c))) |
| |
| |
| /* Convert a pathname to native format. On win32, this involves forcing all |
| separators to be '\\' rather than '/' (both are legal inputs, but Win95 |
| sometimes rejects '/') and removing redundant separators. The input path is |
| assumed to have been converted into the character encoding used by the local |
| system. Because this might be a double-byte encoding, care is taken to |
| treat double-byte lead characters correctly. |
| |
| This procedure modifies the given path in place, as the result is never |
| longer than the original. There is no error return; this operation always |
| succeeds. */ |
| |
| char * |
| sysNativePath(char *path) |
| { |
| char *src = path, *dst = path, *end = path; |
| char *colon = NULL; /* If a drive specifier is found, this will |
| point to the colon following the drive |
| letter */ |
| |
| /* Assumption: '/', '\\', ':', and drive letters are never lead bytes */ |
| sysAssert(!islb('/') && !islb('\\') && !islb(':')); |
| |
| /* Check for leading separators */ |
| while (isfilesep(*src)) src++; |
| if (isalpha(*src) && !islb(*src) && src[1] == ':') { |
| /* Remove leading separators if followed by drive specifier. This |
| hack is necessary to support file URLs containing drive |
| specifiers (e.g., "file://c:/path"). As a side effect, |
| "/c:/path" can be used as an alternative to "c:/path". */ |
| *dst++ = *src++; |
| colon = dst; |
| *dst++ = ':'; src++; |
| } else { |
| src = path; |
| if (isfilesep(src[0]) && isfilesep(src[1])) { |
| /* UNC pathname: Retain first separator; leave src pointed at |
| second separator so that further separators will be collapsed |
| into the second separator. The result will be a pathname |
| beginning with "\\\\" followed (most likely) by a host name. */ |
| src = dst = path + 1; |
| path[0] = '\\'; /* Force first separator to '\\' */ |
| } |
| } |
| |
| end = dst; |
| |
| /* Remove redundant separators from remainder of path, forcing all |
| separators to be '\\' rather than '/'. Also, single byte space |
| characters are removed from the end of the path because those |
| are not legal ending characters on this operating system. |
| */ |
| while (*src != '\0') { |
| if (isfilesep(*src)) { |
| *dst++ = '\\'; src++; |
| while (isfilesep(*src)) src++; |
| if (*src == '\0') { /* Check for trailing separator */ |
| end = dst; |
| if (colon == dst - 2) break; /* "z:\\" */ |
| if (dst == path + 1) break; /* "\\" */ |
| if (dst == path + 2 && isfilesep(path[0])) { |
| /* "\\\\" is not collapsed to "\\" because "\\\\" marks the |
| beginning of a UNC pathname. Even though it is not, by |
| itself, a valid UNC pathname, we leave it as is in order |
| to be consistent with the path canonicalizer as well |
| as the win32 APIs, which treat this case as an invalid |
| UNC pathname rather than as an alias for the root |
| directory of the current drive. */ |
| break; |
| } |
| end = --dst; /* Path does not denote a root directory, so |
| remove trailing separator */ |
| break; |
| } |
| end = dst; |
| } else { |
| if (islb(*src)) { /* Copy a double-byte character */ |
| *dst++ = *src++; |
| if (*src) { |
| *dst++ = *src++; |
| } |
| end = dst; |
| } else { /* Copy a single-byte character */ |
| char c = *src++; |
| *dst++ = c; |
| /* Space is not a legal ending character */ |
| if (c != ' ') |
| end = dst; |
| } |
| } |
| } |
| |
| *end = '\0'; |
| |
| /* For "z:", add "." to work around a bug in the C runtime library */ |
| if (colon == dst - 1) { |
| path[2] = '.'; |
| path[3] = '\0'; |
| } |
| |
| #ifdef DEBUG_PATH |
| jio_fprintf(stderr, "sysNativePath: %s\n", path); |
| #endif DEBUG_PATH |
| return path; |
| } |