| /* |
| * Copyright (c) 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. |
| */ |
| |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "FileSystemSupport_md.h" |
| |
| /* |
| * Solaris/Linux implementation of the file system support functions. |
| */ |
| |
| #define slash '/' |
| |
| char pathSeparator() { |
| return ':'; |
| } |
| |
| /* Filenames are case senstitive */ |
| int filenameStrcmp(const char* s1, const char* s2) { |
| return strcmp(s1, s2); |
| } |
| |
| char* basePath(const char* path) { |
| char* last = strrchr(path, slash); |
| if (last == NULL) { |
| return (char*)path; |
| } else { |
| int len = last - path; |
| char* str = (char*)malloc(len+1); |
| if (len > 0) { |
| memcpy(str, path, len); |
| } |
| str[len] = '\0'; |
| return str; |
| } |
| } |
| |
| int isAbsolute(const char* path) { |
| return (path[0] == slash) ? 1 : 0; |
| } |
| |
| /* Ported from src/solaris/classes/java/io/UnixFileSystem.java */ |
| |
| /* A normal Unix pathname contains no duplicate slashes and does not end |
| with a slash. It may be the empty string. */ |
| |
| /* Normalize the given pathname, whose length is len, starting at the given |
| offset; everything before this offset is already normal. */ |
| static char* normalizePath(const char* pathname, int len, int off) { |
| char* sb; |
| int sbLen, i, n; |
| char prevChar; |
| |
| if (len == 0) return (char*)pathname; |
| n = len; |
| while ((n > 0) && (pathname[n - 1] == slash)) n--; |
| if (n == 0) return strdup("/"); |
| |
| sb = (char*)malloc(strlen(pathname)+1); |
| sbLen = 0; |
| |
| if (off > 0) { |
| memcpy(sb, pathname, off); |
| sbLen = off; |
| } |
| |
| prevChar = 0; |
| for (i = off; i < n; i++) { |
| char c = pathname[i]; |
| if ((prevChar == slash) && (c == slash)) continue; |
| sb[sbLen++] = c; |
| prevChar = c; |
| } |
| return sb; |
| } |
| |
| /* Check that the given pathname is normal. If not, invoke the real |
| normalizer on the part of the pathname that requires normalization. |
| This way we iterate through the whole pathname string only once. */ |
| char* normalize(const char* pathname) { |
| int i; |
| int n = strlen(pathname); |
| char prevChar = 0; |
| for (i = 0; i < n; i++) { |
| char c = pathname[i]; |
| if ((prevChar == slash) && (c == slash)) |
| return normalizePath(pathname, n, i - 1); |
| prevChar = c; |
| } |
| if (prevChar == slash) return normalizePath(pathname, n, n - 1); |
| return (char*)pathname; |
| } |
| |
| char* resolve(const char* parent, const char* child) { |
| int len; |
| char* theChars; |
| int pn = strlen(parent); |
| int cn = strlen(child); |
| int childStart = 0; |
| int parentEnd = pn; |
| |
| if (pn > 0 && parent[pn-1] == slash) { |
| parentEnd--; |
| } |
| len = parentEnd + cn - childStart; |
| if (child[0] == slash) { |
| theChars = (char*)malloc(len+1); |
| if (parentEnd > 0) |
| memcpy(theChars, parent, parentEnd); |
| if (cn > 0) |
| memcpy(theChars+parentEnd, child, cn); |
| theChars[len] = '\0'; |
| } else { |
| theChars = (char*)malloc(len+2); |
| if (parentEnd > 0) |
| memcpy(theChars, parent, parentEnd); |
| theChars[parentEnd] = slash; |
| if (cn > 0) |
| memcpy(theChars+parentEnd+1, child, cn); |
| theChars[len+1] = '\0'; |
| } |
| return theChars; |
| } |
| |
| char* fromURIPath(const char* path) { |
| int len = strlen(path); |
| if (len > 1 && path[len-1] == slash) { |
| // "/foo/" --> "/foo", but "/" --> "/" |
| char* str = (char*)malloc(len); |
| if (str != NULL) { |
| memcpy(str, path, len-1); |
| str[len-1] = '\0'; |
| } |
| return str; |
| } else { |
| return (char*)path; |
| } |
| } |