fixing merge conflict

funcs.go

@@ -1,10 +1,16 @@
 package sysutils
 
 import (
+	`bytes`
+	`errors`
+	`fmt`
+	`io/ioutil`
 	`os`
 	`runtime`
 	`strconv`
 	`strings`
+
+	`r00t2.io/sysutils/paths`
 )
 
 /*
@@ -206,3 +212,53 @@ func getArrStr(s string) (a []string, ok bool) {
 
 	return
 }
+
+/*
+	GetEnvPid will only work on *NIX-like systems with procfs.
+	It gets the environment variables of a given process' PID.
+*/
+func GetEnvPid(pid uint32) (env map[string]string, err error) {
+
+	var envBytes []byte
+	var envArr [][]byte
+	var procPath string
+	var exists bool
+
+	env = make(map[string]string, 0)
+
+	procPath = fmt.Sprintf("/proc/%v/environ", pid)
+
+	if exists, err = paths.RealPathExists(&procPath); err != nil {
+		return
+	}
+	if !exists {
+		err = errors.New(fmt.Sprintf("information for pid %v does not exist", pid))
+		return
+	}
+
+	if envBytes, err = ioutil.ReadFile(procPath); err != nil {
+		return
+	}
+
+	envArr = bytes.Split(envBytes, []byte{0x0})
+
+	for _, b := range envArr {
+
+		// s := strings.TrimSpace(string(b))
+		s := string(b)
+		e := strings.SplitN(s, "=", 2)
+
+		for _, i := range e {
+
+			if len(i) != 2 {
+				env[string(i[0])] = ""
+				continue
+			}
+
+			env[string(i[0])] = string(i[1])
+
+		}
+	}
+
+	return
+}