15263807472

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

#include "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_pid);
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);

#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_i);

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_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 **s, size_t digits, unsigned *res);

int parse_nice(const char *p, 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 "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) {	6,881✔
11	return parse_tristate_full(v, NULL, ret);	6,881✔
12	}
13	int parse_pid(const char s, pid_t ret_pid);
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
24	#define SAFE_ATO_REFUSE_PLUS_MINUS (1U << 30)
25	#define SAFE_ATO_REFUSE_LEADING_ZERO (1U << 29)
26	#define SAFE_ATO_REFUSE_LEADING_WHITESPACE (1U << 28)
27	#define SAFE_ATO_ALL_FLAGS (SAFE_ATO_REFUSE_PLUS_MINUS\|SAFE_ATO_REFUSE_LEADING_ZERO\|SAFE_ATO_REFUSE_LEADING_WHITESPACE)
28	#define SAFE_ATO_MASK_FLAGS(base) ((base) & ~SAFE_ATO_ALL_FLAGS)
29
30	int safe_atou_full(const char s, unsigned base, unsigned ret_u);
31	static inline int safe_atou(const char s, unsigned ret_u) {	1,523,949✔
32	return safe_atou_full(s, 0, ret_u);	1,523,949✔
33	}
34
35	int safe_atou_bounded(const char s, unsigned min, unsigned max, unsigned ret);
36
37	int safe_atoi(const char s, int ret_i);
38	int safe_atolli(const char s, long long ret_i);
39
40	int safe_atou8_full(const char s, unsigned base, uint8_t ret);
41
42	static inline int safe_atou8(const char s, uint8_t ret) {	143,331✔
43	return safe_atou8_full(s, 0, ret);	143,331✔
44	}
45
46	int safe_atou16_full(const char s, unsigned base, uint16_t ret);
47
48	static inline int safe_atou16(const char s, uint16_t ret) {	111✔
49	return safe_atou16_full(s, 0, ret);	111✔
50	}
51
52	static inline int safe_atoux16(const char s, uint16_t ret) {	3,372✔
53	return safe_atou16_full(s, 16, ret);	3,372✔
54	}
55
56	int safe_atoi16(const char s, int16_t ret);
57
58	static inline int safe_atou32_full(const char s, unsigned base, uint32_t ret_u) {	20,401✔
59	assert_cc(sizeof(uint32_t) == sizeof(unsigned));	226,925✔
60	return safe_atou_full(s, base, (unsigned*) ret_u);	226,912✔
61	}
62
63	static inline int safe_atou32(const char s, uint32_t ret_u) {	20,360✔
64	return safe_atou32_full(s, 0, (unsigned*) ret_u);	20,374✔
65	}
66
67	static inline int safe_atoi32(const char s, int32_t ret_i) {	25✔
68	assert_cc(sizeof(int32_t) == sizeof(int));	25✔
69	return safe_atoi(s, (int*) ret_i);	25✔
70	}
71
72	int safe_atollu_full(const char s, unsigned base, unsigned long long ret_llu);
73
74	static inline int safe_atollu(const char s, unsigned long long ret_llu) {	1,429,985✔
75	return safe_atollu_full(s, 0, ret_llu);	1,425,630✔
76	}
77
78	static inline int safe_atou64(const char s, uint64_t ret_u) {	1,422,136✔
79	assert_cc(sizeof(uint64_t) == sizeof(unsigned long long));	1,422,136✔
80	return safe_atollu(s, (unsigned long long*) ret_u);	1,418,929✔
81	}
82
83	static inline int safe_atoi64(const char s, int64_t ret_i) {	22✔
84	assert_cc(sizeof(int64_t) == sizeof(long long));	22✔
85	return safe_atolli(s, (long long*) ret_i);	22✔
86	}
87
88	static inline int safe_atoux64(const char s, uint64_t ret) {	49,763✔
89	assert_cc(sizeof(int64_t) == sizeof(unsigned long long));	49,763✔
90	return safe_atollu_full(s, 16, (unsigned long long*) ret);	49,763✔
91	}
92
93	#if LONG_MAX == INT_MAX
94	static inline int safe_atolu_full(const char s, unsigned base, unsigned long ret_u) {
95	assert_cc(sizeof(unsigned long) == sizeof(unsigned));
96	return safe_atou_full(s, base, (unsigned*) ret_u);
97	}
98	static inline int safe_atoli(const char s, long ret_u) {
99	assert_cc(sizeof(long) == sizeof(int));
100	return safe_atoi(s, (int*) ret_u);
101	}
102	#else
103	static inline int safe_atolu_full(const char s, unsigned base, unsigned long ret_u) {	122,439✔
104	assert_cc(sizeof(unsigned long) == sizeof(unsigned long long));	122,439✔
105	return safe_atollu_full(s, base, (unsigned long long*) ret_u);	23,707✔
106	}
UNCOV 107	static inline int safe_atoli(const char s, long ret_u) {	×
UNCOV 108	assert_cc(sizeof(long) == sizeof(long long));	×
UNCOV 109	return safe_atolli(s, (long long*) ret_u);	×
110	}
111	#endif
112
113	static inline int safe_atolu(const char s, unsigned long ret_u) {	114,769✔
114	return safe_atolu_full(s, 0, ret_u);	112,372✔
115	}
116
117	#if SIZE_MAX == UINT_MAX
118	static inline int safe_atozu(const char s, size_t ret_u) {
119	assert_cc(sizeof(size_t) == sizeof(unsigned));
120	return safe_atou(s, (unsigned *) ret_u);
121	}
122	#else
123	static inline int safe_atozu(const char s, size_t ret_u) {	2,397✔
124	assert_cc(sizeof(size_t) == sizeof(unsigned long));	2,397✔
125	return safe_atolu(s, ret_u);	2,397✔
126	}
127	#endif
128
129	int safe_atod(const char s, double ret_d);
130
131	int parse_fractional_part_u(const char *s, size_t digits, unsigned res);
132
133	int parse_nice(const char p, int ret);
134
135	int parse_ip_port(const char s, uint16_t ret);
136	int parse_ip_port_range(const char s, uint16_t low, uint16_t *high, bool allow_zero);
137
138	int parse_oom_score_adjust(const char s, int ret);
139
140	/* Implement floating point using fixed integers, to improve performance when
141	* calculating load averages. These macros can be used to extract the integer
142	* and decimal parts of a value. */
143	#define LOADAVG_PRECISION_BITS 11
144	#define LOADAVG_FIXED_POINT_1_0 (1 << LOADAVG_PRECISION_BITS)
145	#define LOADAVG_INT_SIDE(x) ((x) >> LOADAVG_PRECISION_BITS)
146	#define LOADAVG_DECIMAL_SIDE(x) LOADAVG_INT_SIDE(((x) & (LOADAVG_FIXED_POINT_1_0 - 1)) * 100)
147
148	/* 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
149	* to a loadavg_t. */
150	int store_loadavg_fixed_point(unsigned long i, unsigned long f, loadavg_t *ret);
151	int parse_loadavg_fixed_point(const char s, loadavg_t ret);
152
153	bool nft_identifier_valid(const char *id);

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