+ if (!estr) {
+ return;
+ }
+
+ /* parse line by line, and save into "e"
+ */
+
+ vector<string> lines;
+ split (estr, lines, '\n');
+
+ for (vector<string>::iterator i = lines.begin(); i != lines.end(); ++i) {
+
+ string estring = *i;
+ string::size_type equal = estring.find_first_of ('=');
+
+ if (equal == string::npos) {
+ /* say what? an environ value without = ? */
+ continue;
+ }
+
+ string before = estring.substr (0, equal);
+ string after = estring.substr (equal+1);
+
+ e.insert (pair<string,string>(before,after));
+ }
+
+ } else {
+
+ /* fetch environment from "environ"
+ */
+
+ for (size_t i = 0; environ[i]; ++i) {
+
+ string estring = environ[i];
+ string::size_type equal = estring.find_first_of ('=');
+
+ if (equal == string::npos) {
+ /* say what? an environ value without = ? */
+ continue;
+ }
+
+ string before = estring.substr (0, equal);
+ string after = estring.substr (equal+1);
+
+ e.insert (pair<string,string>(before,after));