First prototype of argument parsing for device description (issue #87).

libnfc/nfc.c

@@ -1026,10 +1026,51 @@ const char* nfc_device_name(nfc_device_t* pnd)
  */
 const char* nfc_version(void)
 {
-	#ifdef SVN_REVISION
-	return PACKAGE_VERSION" (r"SVN_REVISION")";
-	#else
-	return PACKAGE_VERSION;
-	#endif // SVN_REVISION
+  #ifdef SVN_REVISION
+  return PACKAGE_VERSION" (r"SVN_REVISION")";
+  #else
+  return PACKAGE_VERSION;
+  #endif // SVN_REVISION
 }
 
+/**
+ * @brief Tries to parse arguments to find device descriptions.
+ * @return Returns the list of found device descriptions.
+ */
+nfc_device_desc_t* nfc_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;
+}