/usr/include/jv.h is in libjq-dev 1.5+dfsg-1.3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 | #ifndef JV_H
#define JV_H
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
typedef enum {
JV_KIND_INVALID,
JV_KIND_NULL,
JV_KIND_FALSE,
JV_KIND_TRUE,
JV_KIND_NUMBER,
JV_KIND_STRING,
JV_KIND_ARRAY,
JV_KIND_OBJECT
} jv_kind;
struct jv_refcnt;
/* All of the fields of this struct are private.
Really. Do not play with them. */
typedef struct {
unsigned char kind_flags;
unsigned char pad_;
unsigned short offset; /* array offsets */
int size;
union {
struct jv_refcnt* ptr;
double number;
} u;
} jv;
/*
* All jv_* functions consume (decref) input and produce (incref) output
* Except jv_copy
*/
jv_kind jv_get_kind(jv);
const char* jv_kind_name(jv_kind);
static int jv_is_valid(jv x) { return jv_get_kind(x) != JV_KIND_INVALID; }
jv jv_copy(jv);
void jv_free(jv);
int jv_get_refcnt(jv);
int jv_equal(jv, jv);
int jv_identical(jv, jv);
int jv_contains(jv, jv);
jv jv_invalid(void);
jv jv_invalid_with_msg(jv);
jv jv_invalid_get_msg(jv);
int jv_invalid_has_msg(jv);
jv jv_null(void);
jv jv_true(void);
jv jv_false(void);
jv jv_bool(int);
jv jv_number(double);
double jv_number_value(jv);
int jv_is_integer(jv);
jv jv_array(void);
jv jv_array_sized(int);
int jv_array_length(jv);
jv jv_array_get(jv, int);
jv jv_array_set(jv, int, jv);
jv jv_array_append(jv, jv);
jv jv_array_concat(jv, jv);
jv jv_array_slice(jv, int, int);
jv jv_array_indexes(jv, jv);
#define jv_array_foreach(a, i, x) \
for (int jv_len__ = jv_array_length(jv_copy(a)), i=0, jv_j__ = 1; \
jv_j__; jv_j__ = 0) \
for (jv x; \
i < jv_len__ ? \
(x = jv_array_get(jv_copy(a), i), 1) : 0; \
i++)
#define JV_ARRAY_1(e) (jv_array_append(jv_array(),e))
#define JV_ARRAY_2(e1,e2) (jv_array_append(JV_ARRAY_1(e1),e2))
#define JV_ARRAY_3(e1,e2,e3) (jv_array_append(JV_ARRAY_2(e1,e2),e3))
#define JV_ARRAY_4(e1,e2,e3,e4) (jv_array_append(JV_ARRAY_3(e1,e2,e3),e4))
#define JV_ARRAY_5(e1,e2,e3,e4,e5) (jv_array_append(JV_ARRAY_4(e1,e2,e3,e4),e5))
#define JV_ARRAY_6(e1,e2,e3,e4,e5,e6) (jv_array_append(JV_ARRAY_5(e1,e2,e3,e4,e5),e6))
#define JV_ARRAY_7(e1,e2,e3,e4,e5,e6,e7) (jv_array_append(JV_ARRAY_6(e1,e2,e3,e4,e5,e6),e7))
#define JV_ARRAY_8(e1,e2,e3,e4,e5,e6,e7,e8) (jv_array_append(JV_ARRAY_7(e1,e2,e3,e4,e5,e6,e7),e8))
#define JV_ARRAY_9(e1,e2,e3,e4,e5,e6,e7,e8,e9) (jv_array_append(JV_ARRAY_8(e1,e2,e3,e4,e5,e6,e7,e8),e9))
#define JV_ARRAY_IDX(_1,_2,_3,_4,_5,_6,_7,_8,_9,NAME,...) NAME
#define JV_ARRAY(...) \
JV_ARRAY_IDX(__VA_ARGS__, JV_ARRAY_9, JV_ARRAY_8, JV_ARRAY_7, JV_ARRAY_6, JV_ARRAY_5, JV_ARRAY_4, JV_ARRAY_3, JV_ARRAY_2, JV_ARRAY_1)(__VA_ARGS__)
#ifdef __GNUC__
#define JV_PRINTF_LIKE(fmt_arg_num, args_num) \
__attribute__ ((__format__( __printf__, fmt_arg_num, args_num)))
#define JV_VPRINTF_LIKE(fmt_arg_num) \
__attribute__ ((__format__( __printf__, fmt_arg_num, 0)))
#endif
jv jv_string(const char*);
jv jv_string_sized(const char*, int);
jv jv_string_empty(int len);
int jv_string_length_bytes(jv);
int jv_string_length_codepoints(jv);
unsigned long jv_string_hash(jv);
const char* jv_string_value(jv);
jv jv_string_indexes(jv j, jv k);
jv jv_string_slice(jv j, int start, int end);
jv jv_string_concat(jv, jv);
jv jv_string_vfmt(const char*, va_list) JV_VPRINTF_LIKE(1);
jv jv_string_fmt(const char*, ...) JV_PRINTF_LIKE(1, 2);
jv jv_string_append_codepoint(jv a, uint32_t c);
jv jv_string_append_buf(jv a, const char* buf, int len);
jv jv_string_append_str(jv a, const char* str);
jv jv_string_split(jv j, jv sep);
jv jv_string_explode(jv j);
jv jv_string_implode(jv j);
jv jv_object(void);
jv jv_object_get(jv object, jv key);
jv jv_object_set(jv object, jv key, jv value);
jv jv_object_delete(jv object, jv key);
int jv_object_length(jv object);
jv jv_object_merge(jv, jv);
jv jv_object_merge_recursive(jv, jv);
int jv_object_iter(jv);
int jv_object_iter_next(jv, int);
int jv_object_iter_valid(jv, int);
jv jv_object_iter_key(jv, int);
jv jv_object_iter_value(jv, int);
#define jv_object_foreach(t, k, v) \
for (int jv_i__ = jv_object_iter(t), jv_j__ = 1; jv_j__; jv_j__ = 0) \
for (jv k, v; \
jv_object_iter_valid((t), jv_i__) ? \
(k = jv_object_iter_key(t, jv_i__), \
v = jv_object_iter_value(t, jv_i__), \
1) \
: 0; \
jv_i__ = jv_object_iter_next(t, jv_i__)) \
#define JV_OBJECT_1(k) (jv_object_set(jv_object(),(k),jv_null()))
#define JV_OBJECT_2(k1,v1) (jv_object_set(jv_object(),(k1),(v1)))
#define JV_OBJECT_3(k1,v1,k2) (jv_object_set(JV_OBJECT_2(k1,v1),k2,jv_null()))
#define JV_OBJECT_4(k1,v1,k2,v2) (jv_object_set(JV_OBJECT_2(k1,v1),k2,v2))
#define JV_OBJECT_5(k1,v1,k2,v2,k3) (jv_object_set(JV_OBJECT_4(k1,v1,k2,v2),k3,jv_null))
#define JV_OBJECT_6(k1,v1,k2,v2,k3,v3) (jv_object_set(JV_OBJECT_4(k1,v1,k2,v2),k3,v3))
#define JV_OBJECT_7(k1,v1,k2,v2,k3,v3,k4) (jv_object_set(JV_OBJECT_6(k1,v1,k2,v2,k3,v3),k4,jv_null()))
#define JV_OBJECT_8(k1,v1,k2,v2,k3,v3,k4,v4) (jv_object_set(JV_OBJECT_6(k1,v1,k2,v2,k3,v3),k4,v4))
#define JV_OBJECT_IDX(_1,_2,_3,_4,_5,_6,_7,_8,NAME,...) NAME
#define JV_OBJECT(...) \
JV_OBJECT_IDX(__VA_ARGS__, JV_OBJECT_8, JV_OBJECT_7, JV_OBJECT_6, JV_OBJECT_5, JV_OBJECT_4, JV_OBJECT_3, JV_OBJECT_2, JV_OBJECT_1)(__VA_ARGS__)
int jv_get_refcnt(jv);
enum jv_print_flags {
JV_PRINT_PRETTY = 1,
JV_PRINT_ASCII = 2,
JV_PRINT_COLOUR = 4,
JV_PRINT_SORTED = 8,
JV_PRINT_INVALID = 16,
JV_PRINT_REFCOUNT = 32,
JV_PRINT_TAB = 64,
JV_PRINT_ISATTY = 128,
JV_PRINT_SPACE0 = 256,
JV_PRINT_SPACE1 = 512,
JV_PRINT_SPACE2 = 1024,
};
#define JV_PRINT_INDENT_FLAGS(n) \
((n) < 0 || (n) > 7 ? JV_PRINT_TAB | JV_PRINT_PRETTY : (n) == 0 ? 0 : (n) << 8 | JV_PRINT_PRETTY)
void jv_dumpf(jv, FILE *f, int flags);
void jv_dump(jv, int flags);
void jv_show(jv, int flags);
jv jv_dump_string(jv, int flags);
char *jv_dump_string_trunc(jv x, char *outbuf, size_t bufsize);
enum {
JV_PARSE_SEQ = 1,
JV_PARSE_STREAMING = 2,
JV_PARSE_STREAM_ERRORS = 4,
};
jv jv_parse(const char* string);
jv jv_parse_sized(const char* string, int length);
typedef void (*jv_nomem_handler_f)(void *);
void jv_nomem_handler(jv_nomem_handler_f, void *);
jv jv_load_file(const char *, int);
typedef struct jv_parser jv_parser;
jv_parser* jv_parser_new(int);
void jv_parser_set_buf(jv_parser*, const char*, int, int);
int jv_parser_remaining(jv_parser*);
jv jv_parser_next(jv_parser*);
void jv_parser_free(jv_parser*);
jv jv_get(jv, jv);
jv jv_set(jv, jv, jv);
jv jv_has(jv, jv);
jv jv_setpath(jv, jv, jv);
jv jv_getpath(jv, jv);
jv jv_delpaths(jv, jv);
jv jv_keys(jv /*object or array*/);
jv jv_keys_unsorted(jv /*object or array*/);
int jv_cmp(jv, jv);
jv jv_group(jv, jv);
jv jv_sort(jv, jv);
#endif
/*
true/false/null:
check kind
number:
introduce/eliminate jv
to integer
array:
copy
free
slice
index
update
updateslice?
*/
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