Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#include <stdio.h>
2#include <stdlib.h>
3#include <string.h>
4#include <stdarg.h>
5#include <errno.h>
6
7#define __weak __attribute__((weak))
8
9void __vdie(const char *fmt, va_list ap)
10{
11 int ret = errno;
12
13 if (errno)
14 perror("trace-cmd");
15 else
16 ret = -1;
17
18 fprintf(stderr, " ");
19 vfprintf(stderr, fmt, ap);
20
21 fprintf(stderr, "\n");
22 exit(ret);
23}
24
25void __die(const char *fmt, ...)
26{
27 va_list ap;
28
29 va_start(ap, fmt);
30 __vdie(fmt, ap);
31 va_end(ap);
32}
33
34void __weak die(const char *fmt, ...)
35{
36 va_list ap;
37
38 va_start(ap, fmt);
39 __vdie(fmt, ap);
40 va_end(ap);
41}
42
43void __vwarning(const char *fmt, va_list ap)
44{
45 if (errno)
46 perror("trace-cmd");
47 errno = 0;
48
49 fprintf(stderr, " ");
50 vfprintf(stderr, fmt, ap);
51
52 fprintf(stderr, "\n");
53}
54
55void __warning(const char *fmt, ...)
56{
57 va_list ap;
58
59 va_start(ap, fmt);
60 __vwarning(fmt, ap);
61 va_end(ap);
62}
63
64void __weak warning(const char *fmt, ...)
65{
66 va_list ap;
67
68 va_start(ap, fmt);
69 __vwarning(fmt, ap);
70 va_end(ap);
71}
72
73void __vpr_stat(const char *fmt, va_list ap)
74{
75 vprintf(fmt, ap);
76 printf("\n");
77}
78
79void __pr_stat(const char *fmt, ...)
80{
81 va_list ap;
82
83 va_start(ap, fmt);
84 __vpr_stat(fmt, ap);
85 va_end(ap);
86}
87
88void __weak vpr_stat(const char *fmt, va_list ap)
89{
90 __vpr_stat(fmt, ap);
91}
92
93void __weak pr_stat(const char *fmt, ...)
94{
95 va_list ap;
96
97 va_start(ap, fmt);
98 __vpr_stat(fmt, ap);
99 va_end(ap);
100}
101
102void __weak *malloc_or_die(unsigned int size)
103{
104 void *data;
105
106 data = malloc(size);
107 if (!data)
108 die("malloc");
109 return data;
110}