Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 114 insertions, 0 deletions

diff --git a/win/realpath.c b/win/realpath.c
new file mode 100644
index 000000000..a2a255369
--- /dev/null
+++ b/win/realpath.c
@@ -0,0 +1,114 @@
+/* This file is part of the KDE project
+   Copyright (C) 2003-2004 Werner Almesberger
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This program 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this program; see the file COPYING.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <limits.h>
+#include <errno.h>
+#include <sys/stat.h>
+
+#include "unistd.h"
+
+/**
+ * @internal Canonical name: never ends with a slash
+ */
+static int resolve_path(char *path,char *result,char *pos)
+{
+	if (*path == '/') {
+		*result = '/';
+		pos = result+1;
+		path++;
+	}
+	*pos = 0;
+	if (!*path)
+		return 0;
+	while (1) {
+		char *slash;
+		struct stat st;
+
+		slash = *path ? strchr(path,'/') : NULL;
+		if (slash)
+			*slash = 0;
+		if (!path[0] || (path[0] == '.' &&
+		  (!path[1] || (path[1] == '.' && !path[2])))) {
+			pos--;
+			if (pos != result && path[0] && path[1])
+			while (*--pos != '/');
+		}
+		else {
+			strcpy(pos,path);
+			if (lstat(result,&st) < 0)
+				return -1;
+			if (S_ISLNK(st.st_mode)) {
+				char buf[PATH_MAX];
+
+				if (readlink(result,buf,sizeof(buf)) < 0)
+					return -1;
+				*pos = 0;
+				if (slash) {
+					*slash = '/';
+					strcat(buf,slash);
+				}
+				strcpy(path,buf);
+				if (*path == '/')
+					result[1] = 0;
+				pos = strchr(result,0);
+				continue;
+			}
+			pos = strchr(result,0);
+		}
+		if (slash) {
+			*pos++ = '/';
+			path = slash+1;
+		}
+		*pos = 0;
+		if (!slash)
+			break;
+	}
+	return 0;
+}
+
+/** @return the canonicalized absolute pathname */
+KDEWIN32_EXPORT char *realpath(const char *path,char *resolved_path)
+{
+	char cwd[PATH_MAX];
+	char *path_copy;
+	int res;
+
+	if (!*path) {
+		errno = ENOENT;
+		return NULL;
+	}
+	if (!getcwd(cwd,sizeof(cwd)))
+		return NULL;
+	strcpy(resolved_path,"/");
+	if (resolve_path(cwd,resolved_path,resolved_path))
+		return NULL;
+	strcat(resolved_path,"/");
+	path_copy = strdup(path);
+	if (!path_copy)
+		return NULL;
+	res = resolve_path(path_copy,resolved_path,strchr(resolved_path,0));
+	free(path_copy);
+	if (res)
+		return NULL;
+	return resolved_path;
+}
+