Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#pragma once
2#undef NDEBUG
3#include <assert.h>
4#include <dirent.h>
5#include <errno.h>
6#include <stdbool.h>
7#include <stdlib.h>
8#include <string.h>
9
10static inline bool streq(const char *s1, const char *s2)
11{
12 return strcmp(s1, s2) == 0;
13}
14
15static unsigned long long xstrtoull(const char *p, char **end)
16{
17 if (*p == '0') {
18 *end = (char *)p + 1;
19 return 0;
20 } else if ('1' <= *p && *p <= '9') {
21 unsigned long long val;
22
23 errno = 0;
24 val = strtoull(p, end, 10);
25 assert(errno == 0);
26 return val;
27 } else
28 assert(0);
29}
30
31static struct dirent *xreaddir(DIR *d)
32{
33 struct dirent *de;
34
35 errno = 0;
36 de = readdir(d);
37 assert(de || errno == 0);
38 return de;
39}