Do not export nfc_parse_device_desc() in libnfc API.

examples/nfc-utils.c

@@ -95,3 +95,45 @@ void print_nfc_iso14443a_info(const nfc_iso14443a_info_t nai)
   }
 }
 
+/**
+ * @brief Tries to parse arguments to find device descriptions.
+ * @return Returns the list of found device descriptions.
+ */
+nfc_device_desc_t* parse_device_desc(int argc, const char *argv[], size_t* szFound)
+{
+  nfc_device_desc_t* pndd = 0;
+  *szFound = 0;
+  int arg;
+
+  // Get commandline options
+  for (arg=1;arg<argc;arg++) {
+
+    if (0 == strcmp(argv[arg], "--device")) {
+
+      if (argc > arg+1) {
+
+        pndd = malloc(sizeof(nfc_device_desc_t));
+
+        char buffer[256];
+        strncpy(buffer, argv[++arg], 256);
+
+        // Driver.
+        pndd->pcDriver = (char *)malloc(256);
+        strcpy(pndd->pcDriver, strtok(buffer, ":"));
+
+        // Port.
+        pndd->pcPort = (char *)malloc(256);
+        strcpy(pndd->pcPort, strtok(NULL, ":"));
+
+        // Speed.
+        sscanf(strtok(NULL, ":"), "%d", &pndd->uiSpeed);
+
+        *szFound = 1;
+      }
+      break;
+    }
+  }
+
+  return pndd;
+}
+