refact: Process::getStatus

log: as title

src/lib/process.cpp

@@ -100,20 +100,30 @@ std::string Process::getEnv(const std::string &key)
 
 Status Process::getStatus()
 {
-    if (m_status.size() == 0) {
-        std::string statusFile = getFile("status");
-        FILE *fp = fopen(statusFile.c_str(), "r");
-        if (!fp)
-            return m_status;
+    if (!m_status.empty()){
+        return m_status;
+    }
 
-        char line[MAX_LINE_LEN] = {0};
-        while (fgets(line, MAX_LINE_LEN, fp)) {
-            std::string info(line);
-            std::vector<std::string> parts = DString::splitStr(info, ':');
-            if (parts.size() == 2)
-            m_status[parts[0]] = parts[1];
+    std::string statusFile = getFile("status");
+
+    std::ifstream fs(statusFile);
+    if (!fs.is_open()) {
+        return m_status;
+    }
+
+    std::string tmp = "";
+    while (std::getline(fs, tmp)) {
+        auto pos = tmp.find_first_of(':');
+        if (pos == std::string::npos) {
+            continue;
         }
-        fclose(fp);
+
+        std::string value;
+        if (pos + 1 < tmp.length()) {
+            value = tmp.substr(pos + 1);
+        }
+
+        m_status[tmp.substr(0, pos)] = value;
     }
 
     return m_status;