1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0
2 /* 2 /*
3 * util functions. 3 * util functions.
4 * 4 *
5 * Copyright (C) 2022 Red Hat Inc, Daniel Bris 5 * Copyright (C) 2022 Red Hat Inc, Daniel Bristot de Oliveira <bristot@kernel.org>
6 */ 6 */
7 7
8 #include <stdarg.h> 8 #include <stdarg.h>
9 #include <stdio.h> 9 #include <stdio.h>
10 #include <utils.h> 10 #include <utils.h>
11 11
12 int config_debug; 12 int config_debug;
13 13
14 #define MAX_MSG_LENGTH 1024 14 #define MAX_MSG_LENGTH 1024
15 15
16 /** 16 /**
17 * err_msg - print an error message to the std 17 * err_msg - print an error message to the stderr
18 */ 18 */
19 void err_msg(const char *fmt, ...) 19 void err_msg(const char *fmt, ...)
20 { 20 {
21 char message[MAX_MSG_LENGTH]; 21 char message[MAX_MSG_LENGTH];
22 va_list ap; 22 va_list ap;
23 23
24 va_start(ap, fmt); 24 va_start(ap, fmt);
25 vsnprintf(message, sizeof(message), fm 25 vsnprintf(message, sizeof(message), fmt, ap);
26 va_end(ap); 26 va_end(ap);
27 27
28 fprintf(stderr, "%s", message); 28 fprintf(stderr, "%s", message);
29 } 29 }
30 30
31 /** 31 /**
32 * debug_msg - print a debug message to stderr 32 * debug_msg - print a debug message to stderr if debug is set
33 */ 33 */
34 void debug_msg(const char *fmt, ...) 34 void debug_msg(const char *fmt, ...)
35 { 35 {
36 char message[MAX_MSG_LENGTH]; 36 char message[MAX_MSG_LENGTH];
37 va_list ap; 37 va_list ap;
38 38
39 if (!config_debug) 39 if (!config_debug)
40 return; 40 return;
41 41
42 va_start(ap, fmt); 42 va_start(ap, fmt);
43 vsnprintf(message, sizeof(message), fm 43 vsnprintf(message, sizeof(message), fmt, ap);
44 va_end(ap); 44 va_end(ap);
45 45
46 fprintf(stderr, "%s", message); 46 fprintf(stderr, "%s", message);
47 } 47 }
48 48
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