修复打开文件句柄

Author: cuixing158

utils/importDarkNetLayers.m

@@ -38,6 +38,9 @@
 
 %% 解析配置cfg文件
 fid = fopen(cfgfile,'r');
+if fid == -1
+  error('Author:Function:OpenFile', 'Cannot open file: %s', cfgfile);
+end
 cfg = textscan(fid, '%s', 'Delimiter',{'   '});
 fclose(fid);
 cfg = cfg{1};

utils/importDarknetWeights.m

@@ -32,6 +32,9 @@
 
 %% 读取权重参数文件
 fid_w = fopen(weightsfile,'rb');
+if fid_w == -1
+  error('Author:Function:OpenFile', 'Cannot open file: %s', weightsfile);
+end
 header = fread(fid_w, 3, '*int32');
 if header(2) > 1
     header2 = fread(fid_w, 1, '*int64'); % int64占用8个字节