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1 /*
2  * Copyright (C) 2013 The Android Open Source Project
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *  * Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  *  * Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in
12  *    the documentation and/or other materials provided with the
13  *    distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <stdarg.h>
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <string.h>
33 
34 #include <sys/time.h>
35 
36 #include "util.h"
37 
38 static bool g_verbose = false;
39 
now()40 double now() {
41     struct timeval tv;
42     gettimeofday(&tv, NULL);
43     return (double)tv.tv_sec + (double)tv.tv_usec / 1000000;
44 }
45 
die(const char * fmt,...)46 void die(const char* fmt, ...) {
47     va_list ap;
48     va_start(ap, fmt);
49     fprintf(stderr, "fastboot: error: ");
50     vfprintf(stderr, fmt, ap);
51     fprintf(stderr, "\n");
52     va_end(ap);
53     exit(EXIT_FAILURE);
54 }
55 
set_verbose()56 void set_verbose() {
57     g_verbose = true;
58 }
59 
verbose(const char * fmt,...)60 void verbose(const char* fmt, ...) {
61     if (!g_verbose) return;
62 
63     if (*fmt != '\n') {
64         va_list ap;
65         va_start(ap, fmt);
66         fprintf(stderr, "fastboot: verbose: ");
67         vfprintf(stderr, fmt, ap);
68         va_end(ap);
69     }
70     fprintf(stderr, "\n");
71 }
72