verify: verify_state_gen_name() should check size

[fio.git] / verify.h

diff --git a/verify.h b/verify.h
index 3e52f9c1872974599c0e541955caacc83a12d3b5..43de887d0b3004a26b137e3f74910b17c0419626 100644 (file)
--- a/verify.h
+++ b/verify.h
@@ -138,10 +138,12 @@ static inline struct thread_io_list *io_list_next(struct thread_io_list *s)
        return (void *) s + thread_io_list_sz(s);
 }
 
-static inline void verify_state_gen_name(char *out, const char *name,
-                                        const char *prefix, int num)
+static inline void verify_state_gen_name(char *out, size_t size,
+                                        const char *name, const char *prefix,
+                                        int num)
 {
-       sprintf(out, "%s-%s-%d-verify.state", prefix, name, num);
+       snprintf(out, size, "%s-%s-%d-verify.state", prefix, name, num);
+       out[size - 1] = '\0';
 }
 
 #endif