修正sprintf中\0的bug

2017-09-07 08:45:46 -07:00 · 2017-09-07 08:45:46 -07:00 · 6b06774072
parent fa7ca39d52
commit 6b06774072
1 changed files with 4 additions and 1 deletions
--- a/libs/klib/printk.c
+++ b/libs/klib/printk.c
@ -80,7 +80,10 @@ int vprintk(char* out,int limit,const char* fmt,va_list ap){
      rewid++;
    }
  }
-  if(out!=0){printch('\0',s_v,limit_n);rewid++;}
+  if(out!=0){
+	  printch('\0',s_v,limit_n);
+	  //rewid++;结尾的\0不算在返回值中
+  }
  return rewid;
 }