check whether output file exist

tobefuturer · Dec 27, 2017 · b242c47 · b242c47
1 parent a4479ac
commit b242c47
Showing 1 changed file with 4 additions and 5 deletions.
diff --git a/source/restore-symbol.m b/source/restore-symbol.m
@@ -49,20 +49,19 @@ void restore_symbol(NSString * inpath, NSString *outpath, NSString *jsonPath, bo
     }
 
 
-
     if ([outpath length] == 0) {
         fprintf(stderr, "Error: No output file path!\n");
         exit(1);
     }
 
+    if ([[NSFileManager defaultManager] fileExistsAtPath:outpath]) {
+        fprintf(stderr, "Error: Output file has exist!\n");
+        exit(1);
+    }
 
     fprintf(stderr, "=========== Start =============\n");
 
 
-
-
-    [[NSFileManager defaultManager] removeItemAtPath:outpath error:nil];
-
     NSMutableData * outData = [[NSMutableData alloc] initWithContentsOfFile:inpath];
 
     CDFile * ofile = [CDFile fileWithContentsOfFile:inpath searchPathState:nil];