24642716378

Committed 18 Apr 2026 10:29PM UTC coverage: 70.661% (-1.2%) from 71.872%

Build # 24642716378

Build Type

push

github

Committed by

web-flow

Commit Message

iovec-wrapper: fix memleak, rename functions for consistency, and introduce several helper functions (#41689)

Coverage Stats

227 of 237 new or added lines in 4 files covered. (95.78%)

3483 existing lines in 82 files now uncovered.

76021 of 107585 relevant lines covered (70.66%)

4993286.11 hits per line

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92.5

/src/basic/parse-util.h

/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once

#include "basic-forward.h"

typedef unsigned long loadavg_t;

int parse_boolean(const char *v) _pure_;
int parse_tristate_full(const char *v, const char *third, int *ret);
static inline int parse_tristate(const char *v, int *ret) {
        return parse_tristate_full(v, NULL, ret);
}
int parse_pid(const char *s, pid_t *ret);
int parse_mode(const char *s, mode_t *ret);
int parse_ifindex(const char *s);
int parse_mtu(int family, const char *s, uint32_t *ret);

int parse_size(const char *t, uint64_t base, uint64_t *size);
int parse_sector_size(const char *t, uint64_t *ret);
int parse_range(const char *t, unsigned *lower, unsigned *upper);
int parse_errno(const char *t);
int parse_fd(const char *t);
int parse_user_shell(const char *s, char **ret_sh, bool *ret_copy);

int parse_capability_set(const char *s, uint64_t initial, uint64_t *current);

#define SAFE_ATO_REFUSE_PLUS_MINUS (1U << 30)
#define SAFE_ATO_REFUSE_LEADING_ZERO (1U << 29)
#define SAFE_ATO_REFUSE_LEADING_WHITESPACE (1U << 28)
#define SAFE_ATO_ALL_FLAGS (SAFE_ATO_REFUSE_PLUS_MINUS|SAFE_ATO_REFUSE_LEADING_ZERO|SAFE_ATO_REFUSE_LEADING_WHITESPACE)
#define SAFE_ATO_MASK_FLAGS(base) ((base) & ~SAFE_ATO_ALL_FLAGS)

int safe_atou_full(const char *s, unsigned base, unsigned *ret_u);
static inline int safe_atou(const char *s, unsigned *ret_u) {
        return safe_atou_full(s, 0, ret_u);
}

int safe_atou_bounded(const char *s, unsigned min, unsigned max, unsigned *ret);

int safe_atoi(const char *s, int *ret_i);
int safe_atolli(const char *s, long long *ret_lli);

int safe_atou8_full(const char *s, unsigned base, uint8_t *ret);

static inline int safe_atou8(const char *s, uint8_t *ret) {
        return safe_atou8_full(s, 0, ret);
}

int safe_atou16_full(const char *s, unsigned base, uint16_t *ret);

static inline int safe_atou16(const char *s, uint16_t *ret) {
        return safe_atou16_full(s, 0, ret);
}

static inline int safe_atoux16(const char *s, uint16_t *ret) {
        return safe_atou16_full(s, 16, ret);
}

int safe_atoi16(const char *s, int16_t *ret);

static inline int safe_atou32_full(const char *s, unsigned base, uint32_t *ret_u) {
        assert_cc(sizeof(uint32_t) == sizeof(unsigned));
        return safe_atou_full(s, base, (unsigned*) ret_u);
}

static inline int safe_atou32(const char *s, uint32_t *ret_u) {
        return safe_atou32_full(s, 0, (unsigned*) ret_u);
}

static inline int safe_atoi32(const char *s, int32_t *ret_i) {
        assert_cc(sizeof(int32_t) == sizeof(int));
        return safe_atoi(s, (int*) ret_i);
}

int safe_atollu_full(const char *s, unsigned base, unsigned long long *ret_llu);

static inline int safe_atollu(const char *s, unsigned long long *ret_llu) {
        return safe_atollu_full(s, 0, ret_llu);
}

static inline int safe_atou64(const char *s, uint64_t *ret_u) {
        assert_cc(sizeof(uint64_t) == sizeof(unsigned long long));
        return safe_atollu(s, (unsigned long long*) ret_u);
}

static inline int safe_atou64_full(const char *s, unsigned base, uint64_t *ret_u) {
        assert_cc(sizeof(uint64_t) == sizeof(unsigned long long));
        return safe_atollu_full(s, base, (unsigned long long*) ret_u);
}

static inline int safe_atoi64(const char *s, int64_t *ret_i) {
        assert_cc(sizeof(int64_t) == sizeof(long long));
        return safe_atolli(s, (long long*) ret_i);
}

static inline int safe_atoux64(const char *s, uint64_t *ret) {
        assert_cc(sizeof(int64_t) == sizeof(unsigned long long));
        return safe_atollu_full(s, 16, (unsigned long long*) ret);
}

#if LONG_MAX == INT_MAX
static inline int safe_atolu_full(const char *s, unsigned base, unsigned long *ret_u) {
        assert_cc(sizeof(unsigned long) == sizeof(unsigned));
        return safe_atou_full(s, base, (unsigned*) ret_u);
}
static inline int safe_atoli(const char *s, long *ret_u) {
        assert_cc(sizeof(long) == sizeof(int));
        return safe_atoi(s, (int*) ret_u);
}
#else
static inline int safe_atolu_full(const char *s, unsigned base, unsigned long *ret_u) {
        assert_cc(sizeof(unsigned long) == sizeof(unsigned long long));
        return safe_atollu_full(s, base, (unsigned long long*) ret_u);
}
static inline int safe_atoli(const char *s, long *ret_u) {
        assert_cc(sizeof(long) == sizeof(long long));
        return safe_atolli(s, (long long*) ret_u);
}
#endif

static inline int safe_atolu(const char *s, unsigned long *ret_u) {
        return safe_atolu_full(s, 0, ret_u);
}

#if SIZE_MAX == UINT_MAX
static inline int safe_atozu(const char *s, size_t *ret_u) {
        assert_cc(sizeof(size_t) == sizeof(unsigned));
        return safe_atou(s, (unsigned *) ret_u);
}
#else
static inline int safe_atozu(const char *s, size_t *ret_u) {
        assert_cc(sizeof(size_t) == sizeof(unsigned long));
        return safe_atolu(s, ret_u);
}
#endif

int safe_atod(const char *s, double *ret_d);

int parse_fractional_part_u(const char **p, size_t digits, unsigned *res);

int parse_nice(const char *s, int *ret);

int parse_ip_port(const char *s, uint16_t *ret);
int parse_ip_port_range(const char *s, uint16_t *low, uint16_t *high, bool allow_zero);

int parse_oom_score_adjust(const char *s, int *ret);

/* Implement floating point using fixed integers, to improve performance when
 * calculating load averages. These macros can be used to extract the integer
 * and decimal parts of a value. */
#define LOADAVG_PRECISION_BITS  11
#define LOADAVG_FIXED_POINT_1_0 (1 << LOADAVG_PRECISION_BITS)
#define LOADAVG_INT_SIDE(x)     ((x) >> LOADAVG_PRECISION_BITS)
#define LOADAVG_DECIMAL_SIDE(x) LOADAVG_INT_SIDE(((x) & (LOADAVG_FIXED_POINT_1_0 - 1)) * 100)

/* Given a Linux load average (e.g. decimal number 34.89 where 34 is passed as i and 89 is passed as f), convert it
 * to a loadavg_t. */
int store_loadavg_fixed_point(unsigned long i, unsigned long f, loadavg_t *ret);
int parse_loadavg_fixed_point(const char *s, loadavg_t *ret);

bool nft_identifier_valid(const char *id);

1	/* SPDX-License-Identifier: LGPL-2.1-or-later */
2	#pragma once
3
4	#include "basic-forward.h"
5
6	typedef unsigned long loadavg_t;
7
8	int parse_boolean(const char *v) _pure_;
9	int parse_tristate_full(const char v, const char third, int *ret);
10	static inline int parse_tristate(const char v, int ret) {	5,870✔
11	return parse_tristate_full(v, NULL, ret);	5,870✔
12	}
13	int parse_pid(const char s, pid_t ret);
14	int parse_mode(const char s, mode_t ret);
15	int parse_ifindex(const char *s);
16	int parse_mtu(int family, const char s, uint32_t ret);
17
18	int parse_size(const char t, uint64_t base, uint64_t size);
19	int parse_sector_size(const char t, uint64_t ret);
20	int parse_range(const char t, unsigned lower, unsigned *upper);
21	int parse_errno(const char *t);
22	int parse_fd(const char *t);
23	int parse_user_shell(const char s, char ret_sh, bool ret_copy);
24
25	int parse_capability_set(const char s, uint64_t initial, uint64_t current);
26
27	#define SAFE_ATO_REFUSE_PLUS_MINUS (1U << 30)
28	#define SAFE_ATO_REFUSE_LEADING_ZERO (1U << 29)
29	#define SAFE_ATO_REFUSE_LEADING_WHITESPACE (1U << 28)
30	#define SAFE_ATO_ALL_FLAGS (SAFE_ATO_REFUSE_PLUS_MINUS\|SAFE_ATO_REFUSE_LEADING_ZERO\|SAFE_ATO_REFUSE_LEADING_WHITESPACE)
31	#define SAFE_ATO_MASK_FLAGS(base) ((base) & ~SAFE_ATO_ALL_FLAGS)
32
33	int safe_atou_full(const char s, unsigned base, unsigned ret_u);
34	static inline int safe_atou(const char s, unsigned ret_u) {	1,699,773✔
35	return safe_atou_full(s, 0, ret_u);	1,699,773✔
36	}
37
38	int safe_atou_bounded(const char s, unsigned min, unsigned max, unsigned ret);
39
40	int safe_atoi(const char s, int ret_i);
41	int safe_atolli(const char s, long long ret_lli);
42
43	int safe_atou8_full(const char s, unsigned base, uint8_t ret);
44
45	static inline int safe_atou8(const char s, uint8_t ret) {	144,563✔
46	return safe_atou8_full(s, 0, ret);	144,563✔
47	}
48
49	int safe_atou16_full(const char s, unsigned base, uint16_t ret);
50
51	static inline int safe_atou16(const char s, uint16_t ret) {	131✔
52	return safe_atou16_full(s, 0, ret);	131✔
53	}
54
55	static inline int safe_atoux16(const char s, uint16_t ret) {	3,612✔
56	return safe_atou16_full(s, 16, ret);	3,612✔
57	}
58
59	int safe_atoi16(const char s, int16_t ret);
60
61	static inline int safe_atou32_full(const char s, unsigned base, uint32_t ret_u) {	262,846✔
62	assert_cc(sizeof(uint32_t) == sizeof(unsigned));	262,846✔
63	return safe_atou_full(s, base, (unsigned*) ret_u);	262,825✔
64	}
65
66	static inline int safe_atou32(const char s, uint32_t ret_u) {	17,972✔
67	return safe_atou32_full(s, 0, (unsigned*) ret_u);	17,986✔
68	}
69
70	static inline int safe_atoi32(const char s, int32_t ret_i) {	25✔
71	assert_cc(sizeof(int32_t) == sizeof(int));	25✔
72	return safe_atoi(s, (int*) ret_i);	25✔
73	}
74
75	int safe_atollu_full(const char s, unsigned base, unsigned long long ret_llu);
76
77	static inline int safe_atollu(const char s, unsigned long long ret_llu) {	1,693,590✔
78	return safe_atollu_full(s, 0, ret_llu);	1,683,233✔
79	}
80
81	static inline int safe_atou64(const char s, uint64_t ret_u) {	1,678,260✔
82	assert_cc(sizeof(uint64_t) == sizeof(unsigned long long));	1,678,260✔
83	return safe_atollu(s, (unsigned long long*) ret_u);	1,648,715✔
84	}
85
86	static inline int safe_atou64_full(const char s, unsigned base, uint64_t ret_u) {
87	assert_cc(sizeof(uint64_t) == sizeof(unsigned long long));
88	return safe_atollu_full(s, base, (unsigned long long*) ret_u);
89	}
90
91	static inline int safe_atoi64(const char s, int64_t ret_i) {	27✔
92	assert_cc(sizeof(int64_t) == sizeof(long long));	27✔
93	return safe_atolli(s, (long long*) ret_i);	27✔
94	}
95
96	static inline int safe_atoux64(const char s, uint64_t ret) {	62,014✔
97	assert_cc(sizeof(int64_t) == sizeof(unsigned long long));	62,014✔
98	return safe_atollu_full(s, 16, (unsigned long long*) ret);	62,014✔
99	}
100
101	#if LONG_MAX == INT_MAX
102	static inline int safe_atolu_full(const char s, unsigned base, unsigned long ret_u) {
103	assert_cc(sizeof(unsigned long) == sizeof(unsigned));
104	return safe_atou_full(s, base, (unsigned*) ret_u);
105	}
106	static inline int safe_atoli(const char s, long ret_u) {
107	assert_cc(sizeof(long) == sizeof(int));
108	return safe_atoi(s, (int*) ret_u);
109	}
110	#else
111	static inline int safe_atolu_full(const char s, unsigned base, unsigned long ret_u) {	100,928✔
112	assert_cc(sizeof(unsigned long) == sizeof(unsigned long long));	100,928✔
113	return safe_atollu_full(s, base, (unsigned long long*) ret_u);	25,150✔
114	}
UNCOV 115	static inline int safe_atoli(const char s, long ret_u) {	×
UNCOV 116	assert_cc(sizeof(long) == sizeof(long long));	×
UNCOV 117	return safe_atolli(s, (long long*) ret_u);	×
118	}
119	#endif
120
121	static inline int safe_atolu(const char s, unsigned long ret_u) {	89,874✔
122	return safe_atolu_full(s, 0, ret_u);	87,951✔
123	}
124
125	#if SIZE_MAX == UINT_MAX
126	static inline int safe_atozu(const char s, size_t ret_u) {
127	assert_cc(sizeof(size_t) == sizeof(unsigned));
128	return safe_atou(s, (unsigned *) ret_u);
129	}
130	#else
131	static inline int safe_atozu(const char s, size_t ret_u) {	1,923✔
132	assert_cc(sizeof(size_t) == sizeof(unsigned long));	1,923✔
133	return safe_atolu(s, ret_u);	1,923✔
134	}
135	#endif
136
137	int safe_atod(const char s, double ret_d);
138
139	int parse_fractional_part_u(const char *p, size_t digits, unsigned res);
140
141	int parse_nice(const char s, int ret);
142
143	int parse_ip_port(const char s, uint16_t ret);
144	int parse_ip_port_range(const char s, uint16_t low, uint16_t *high, bool allow_zero);
145
146	int parse_oom_score_adjust(const char s, int ret);
147
148	/* Implement floating point using fixed integers, to improve performance when
149	* calculating load averages. These macros can be used to extract the integer
150	* and decimal parts of a value. */
151	#define LOADAVG_PRECISION_BITS 11
152	#define LOADAVG_FIXED_POINT_1_0 (1 << LOADAVG_PRECISION_BITS)
153	#define LOADAVG_INT_SIDE(x) ((x) >> LOADAVG_PRECISION_BITS)
154	#define LOADAVG_DECIMAL_SIDE(x) LOADAVG_INT_SIDE(((x) & (LOADAVG_FIXED_POINT_1_0 - 1)) * 100)
155
156	/* Given a Linux load average (e.g. decimal number 34.89 where 34 is passed as i and 89 is passed as f), convert it
157	* to a loadavg_t. */
158	int store_loadavg_fixed_point(unsigned long i, unsigned long f, loadavg_t *ret);
159	int parse_loadavg_fixed_point(const char s, loadavg_t ret);
160
161	bool nft_identifier_valid(const char *id);

systemd / systemd / 24642716378

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