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src/utils/pathut.cpp

@@ -0,0 +1,68 @@
+#ifndef lint
+static char rcsid[] = "@(#$Id: pathut.cpp,v 1.1 2004-12-10 18:13:14 dockes Exp $ (C) 2004 J.F.Dockes";
+#endif
+
+#ifndef TEST_PATHUT
+
+#include <pwd.h>
+
+#include "pathut.h"
+
+std::string path_getfather(const std::string &s) {
+    std::string father = s;
+
+    // ??
+    if (father.empty())
+	return "./";
+
+    if (father[father.length() - 1] == '/') {
+	// Input ends with /. Strip it, handle special case for root
+	if (father.length() == 1)
+	    return father;
+	father.erase(father.length()-1);
+    }
+
+    std::string::size_type slp = father.rfind('/');
+    if (slp == std::string::npos)
+	return "./";
+
+    father.erase(slp);
+    path_catslash(father);
+    return father;
+}
+
+std::string path_home()
+{
+    uid_t uid = getuid();
+
+    struct passwd *entry = getpwuid(uid);
+    if (entry == 0)
+	return "/";
+
+    std::string homedir = entry->pw_dir;
+    path_catslash(homedir);
+    return homedir;
+}
+
+#else // TEST_PATHUT
+
+#include <iostream>
+using namespace std;
+
+#include "pathut.h"
+
+const char *tstvec[] = {"", "/", "/dir", "/dir/", "/dir1/dir2",
+			 "/dir1/dir2",
+			 "./dir", "./dir1/", "dir", "../dir"};
+
+int main(int argc, const char **argv)
+{
+
+    for (int i = 0;i < sizeof(tstvec) / sizeof(char *); i++) {
+	cout << tstvec[i] << " -> " << path_getfather(tstvec[i]) << endl;
+    }
+    return 0;
+}
+
+#endif // TEST_PATHUT
+