1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
#include "misc.h"
#include "char32.h"
#include <stdlib.h>
bool
isword(char32_t wc, bool spaces_only, const char32_t *delimiters)
{
if (spaces_only)
return isc32graph(wc);
if (c32chr(delimiters, wc) != NULL)
return false;
return isc32graph(wc);
}
void
timespec_add(const struct timespec *a, const struct timespec *b,
struct timespec *res)
{
const long one_sec_in_ns = 1000000000;
res->tv_sec = a->tv_sec + b->tv_sec;
res->tv_nsec = a->tv_nsec + b->tv_nsec;
/* tv_nsec may be negative */
if (res->tv_nsec >= one_sec_in_ns) {
res->tv_sec++;
res->tv_nsec -= one_sec_in_ns;
}
}
void
timespec_sub(const struct timespec *a, const struct timespec *b,
struct timespec *res)
{
const long one_sec_in_ns = 1000000000;
res->tv_sec = a->tv_sec - b->tv_sec;
res->tv_nsec = a->tv_nsec - b->tv_nsec;
/* tv_nsec may be negative */
if (res->tv_nsec < 0) {
res->tv_sec--;
res->tv_nsec += one_sec_in_ns;
}
}
bool
is_valid_utf8_and_printable(const char *value)
{
char32_t *wide = ambstoc32(value);
if (wide == NULL)
return false;
for (const char32_t *c = wide; *c != U'\0'; c++) {
if (!isc32print(*c)) {
free(wide);
return false;
}
}
free(wide);
return true;
}
|
