config file is now ~/.config/RsyncUI.conf

tools.cpp

@@ -5,6 +5,10 @@ using namespace std;
 #define READ   0
 #define WRITE  1
 
+//Take a string and explode it in array
+// s => string to explode
+// c => character separator
+// n => number of results in array, the last is the rest of string to end
 const vector<string> explode(const string& s, const char& c, int n = 0)
 {
     string buff;
@@ -37,7 +41,9 @@ const vector<string> explode(const string& s, const char& c, int n = 0)
     return v;
 }
 
-FILE * popen2(char * const argv, string type, int & pid)
+// open a pipe, fork and return pid of child
+// argv => array of string with command in first and parameters following
+FILE * popen2(array<string,8> argv, string type, int & pid)
 {
     pid_t child_pid;
     int fd[2];
@@ -51,6 +57,7 @@ FILE * popen2(char * const argv, string type, int & pid)
         NULL,
         "RsyncUI",
         message);
+        exit(-1);
     }else
     {
         if((child_pid = fork()) == -1)
@@ -74,11 +81,7 @@ FILE * popen2(char * const argv, string type, int & pid)
             }
 
             setpgid(child_pid, child_pid); //Needed so negative PIDs can kill children of /bin/sh
-            //if (execlp(argv[0].c_str(), argv[0].c_str(), argv[1].c_str(), argv[2].c_str(), argv[3].c_str(), argv[4].c_str(), argv[5].c_str(), NULL ) == -1)
-            if (execvp(command.c_str(), &argv))
-            {
-                perror("execl error => ");
-            }
+            if (execlp(argv[0].c_str(), argv[0].c_str(), argv[1].c_str(), argv[2].c_str(), argv[3].c_str(), argv[4].c_str(), argv[5].c_str(), NULL ) == -1)
             exit (0);
         }
         else
@@ -103,6 +106,10 @@ FILE * popen2(char * const argv, string type, int & pid)
     return 0;
 }
 
+// close pipe open by popen2 while pid is finished
+// fp => file pointer
+// pid => pid of the processus open bu popen2
+
 int pclose2(FILE * fp, pid_t pid)
 {
     int stat;