path .

1 files changed, 22 insertions, 2 deletions

diff --git a/src/path.cc b/src/path.cc
index 620c464..e9d1892 100644
--- a/src/path.cc
+++ b/src/path.cc
@@ -5,6 +5,8 @@ namespace ov4
 
 using namespace std;
 
+string current_dir;
+
 string find_cmd(char* s)
 {
     string tmp = s;
@@ -13,8 +15,11 @@ string find_cmd(char* s)
 
 string find_cmd(string s)
 {
-    if (s.size() == 0) return "/";
-    if (s[0] == '/') return s;
+    if (s.size() == 0) return "";
+    string unified_s = path_unifier(s);
+    cout << unified_s << endl;
+    if (access(unified_s.c_str(), F_OK) == 0)
+            return unified_s;
 
     string path = getenv("PATH");
     size_t i = 0, j = 0, l = path.size();
@@ -37,5 +42,20 @@ string find_cmd(string s)
     }
 }
 
+string path_unifier(const string &s)
+{
+    if (s.size() == 0) return "";
+    if (s[0] == '/') return s;
+    if (s[0] == '.')
+    {
+        return current_dir + s.substr(1);
+    }
+}
+
+string set_current_dir(string s)
+{
+    return current_dir = s;
+}
+
 
 }