46 do_test(int bufsize, const char *expect, int elen,  in do_test()  argument
56 	ret = vsnprintf(test_buffer, bufsize, fmt, aq);  in do_test()
61 			bufsize, fmt, ret, elen);  in do_test()
66 		pr_warn("vsnprintf(buf, %d, \"%s\", ...) wrote before buffer\n", bufsize, fmt);  in do_test()
70 	if (!bufsize) {  in do_test()
79 	written = min(bufsize-1, elen);  in do_test()
82 			bufsize, fmt);  in do_test()
86 	if (memchr_inv(test_buffer + written + 1, FILL_CHAR, bufsize - (written + 1))) {  in do_test()
88 			bufsize, fmt);  in do_test()
92 	if (memchr_inv(test_buffer + bufsize, FILL_CHAR, BUF_SIZE + PAD_SIZE - bufsize)) {  in do_test()
93 		pr_warn("vsnprintf(buf, %d, \"%s\", ...) wrote beyond buffer\n", bufsize, fmt);  in do_test()
99 			bufsize, fmt, test_buffer, written, expect);  in do_test()