fix warnings

git-svn-id: svn://svn.berlios.de/openocd/trunk@1837 b42882b7-edfa-0310-969c-e2dbd0fdcd60

diff --git a/src/helper/ioutil.c b/src/helper/ioutil.c
index e595b144599147dd7becd7bede30045c6d309154..0021234a4bd745499310633a3e24df9011588c66 100644 (file)
--- a/src/helper/ioutil.c
+++ b/src/helper/ioutil.c
@@ -218,6 +218,7 @@ int handle_append_command(struct command_context_s *cmd_ctx, char *cmd,
                return ERROR_INVALID_ARGUMENTS;
        }
 
+       int retval=ERROR_FAIL;
        FILE *config_file = NULL;
        config_file = fopen(args[0], "a");
        if (config_file != NULL)
@@ -227,17 +228,22 @@ int handle_append_command(struct command_context_s *cmd_ctx, char *cmd,
 
                for (i = 1; i < argc; i++)
                {
-                       fwrite(args[i], strlen(args[i]), 1, config_file);
+                       if (fwrite(args[i], strlen(args[i]), 1, config_file)!=strlen(args[i]))
+                               break;
                        if (i != argc - 1)
                        {
-                               fwrite(" ", 1, 1, config_file);
+                               if (fwrite(" ", 1, 1, config_file)!=1)
+                                       break;
                        }
                }
-               fwrite("\n", 1, 1, config_file);
+               if ((i==argc)&&(fwrite("\n", 1, 1, config_file)==1))
+               {
+                       retval=ERROR_OK;
+               }
                fclose(config_file);
        }
 
-       return ERROR_OK;
+       return retval;
 }