Coverage Report

Created: 2025-06-13 06:25

/src/systemd/src/basic/percent-util.h
Line
Count
Source (jump to first uncovered line)
1
/* SPDX-License-Identifier: LGPL-2.1-or-later */
2
#pragma once
3
4
#include "forward.h"
5
6
int parse_percent_unbounded(const char *p);
7
int parse_percent(const char *p);
8
9
int parse_permille_unbounded(const char *p);
10
int parse_permille(const char *p);
11
12
int parse_permyriad_unbounded(const char *p);
13
int parse_permyriad(const char *p);
14
15
/* Some macro-like helpers that convert a percent/permille/permyriad value (as parsed by parse_percent()) to
16
 * a value relative to 100% == 2^32-1. Rounds to closest. */
17
0
static inline uint32_t UINT32_SCALE_FROM_PERCENT(int percent) {
18
0
        assert_cc(INT_MAX <= UINT32_MAX);
19
0
20
0
        return (uint32_t) (((uint64_t) CLAMP(percent, 0, 100) * UINT32_MAX + 50) / 100U);
21
0
}
22
23
0
static inline uint32_t UINT32_SCALE_FROM_PERMILLE(int permille) {
24
0
        return (uint32_t) (((uint64_t) CLAMP(permille, 0, 1000) * UINT32_MAX + 500) / 1000U);
25
0
}
26
27
0
static inline uint32_t UINT32_SCALE_FROM_PERMYRIAD(int permyriad) {
28
0
        return (uint32_t) (((uint64_t) CLAMP(permyriad, 0, 10000) * UINT32_MAX + 5000) / 10000U);
29
0
}
30
31
0
static inline int UINT32_SCALE_TO_PERCENT(uint32_t scale) {
32
0
        uint32_t u;
33
0
34
0
        u = (uint32_t) ((((uint64_t) scale) * 100U + UINT32_MAX/2) / UINT32_MAX);
35
0
        if (u > INT_MAX)
36
0
                return -ERANGE;
37
0
38
0
        return (int) u;
39
0
}
40
41
0
static inline int UINT32_SCALE_TO_PERMILLE(uint32_t scale) {
42
0
        uint32_t u;
43
0
44
0
        u = (uint32_t) ((((uint64_t) scale) * 1000U + UINT32_MAX/2) / UINT32_MAX);
45
0
        if (u > INT_MAX)
46
0
                return -ERANGE;
47
0
48
0
        return (int) u;
49
0
}
50
51
0
static inline int UINT32_SCALE_TO_PERMYRIAD(uint32_t scale) {
52
0
        uint32_t u;
53
0
54
0
        u = (uint32_t) ((((uint64_t) scale) * 10000U + UINT32_MAX/2) / UINT32_MAX);
55
0
        if (u > INT_MAX)
56
0
                return -ERANGE;
57
0
58
0
        return (int) u;
59
0
}
60
61
#define PERMYRIAD_AS_PERCENT_FORMAT_STR "%i.%02i%%"
62
#define PERMYRIAD_AS_PERCENT_FORMAT_VAL(x) ((x)/100), ((x)%100)