1 /*
2 * linux/lib/vsprintf.c
3 *
4 * Copyright (C) 1991, 1992 Linus Torvalds
5 */
6
7 /* vsprintf.c -- Lars Wirzenius & Linus Torvalds. */
8 /*
9 * Wirzenius wrote this portably, Torvalds fucked it up :-)
10 */
11
12 #include <hang.h>
13 #if !defined(CONFIG_PANIC_HANG)
14 #include <command.h>
15 #endif
16 #include <linux/delay.h>
17 #include <stdio.h>
18
19 static void panic_finish(void) __attribute__ ((noreturn));
20
panic_finish(void)21 static void panic_finish(void)
22 {
23 putc('\n');
24 #if defined(CONFIG_PANIC_HANG)
25 hang();
26 #else
27 flush(); /* flush the panic message before reset */
28
29 do_reset(NULL, 0, 0, NULL);
30 #endif
31 while (1)
32 ;
33 }
34
panic_str(const char * str)35 void panic_str(const char *str)
36 {
37 puts(str);
38 panic_finish();
39 }
40
panic(const char * fmt,...)41 void panic(const char *fmt, ...)
42 {
43 #if CONFIG_IS_ENABLED(PRINTF)
44 va_list args;
45 va_start(args, fmt);
46 vprintf(fmt, args);
47 va_end(args);
48 #endif
49 panic_finish();
50 }
51
__assert_fail(const char * assertion,const char * file,unsigned int line,const char * function)52 void __assert_fail(const char *assertion, const char *file, unsigned int line,
53 const char *function)
54 {
55 /* This will not return */
56 panic("%s:%u: %s: Assertion `%s' failed.", file, line, function,
57 assertion);
58 }
59