atom_table.h

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Typedefs

typedef const void *atom_ref_t

Enums

enum EnsureAtomsOpt

Values:

enumerator EnsureAtomsNoOpts = 0

enumerator EnsureLongEncoding = 1

enum AtomTableCopyOpt

Values:

enumerator AtomTableNoOpts = 0

enumerator AtomTableCopyAtom = 1

enumerator AtomTableAlreadyExisting = 2

enum AtomTableEnsureAtomResult

Values:

enumerator AtomTableEnsureAtomOk = 0

enumerator AtomTableEnsureAtomNotFound = -1

enumerator AtomTableEnsureAtomAllocFail = -2

enumerator AtomTableEnsureAtomInvalidLen = -3

Functions

struct AtomTable *atom_table_new()

void atom_table_destroy(struct AtomTable *table)

size_t atom_table_count(struct AtomTable *table)

atom_index_t atom_table_get_index(struct AtomTable *table, AtomString string)

atom_index_t atom_table_get_index_from_cstring(struct AtomTable *table, const char *name)

enum AtomTableEnsureAtomResult atom_table_ensure_atom(struct AtomTable *table, const uint8_t *atom_data, size_t atom_len, enum AtomTableCopyOpt opts, atom_index_t *result)

enum AtomTableEnsureAtomResult atom_table_ensure_atoms(struct AtomTable *table, const void *atoms, size_t count, atom_index_t *translate_table, enum EnsureAtomsOpt opts)

bool atom_table_is_equal_to_atom_string(struct AtomTable *table, atom_index_t t_atom_index, AtomString atom_string)

int atom_table_cmp_using_atom_index(struct AtomTable *table, atom_index_t t_atom_index, atom_index_t other_atom_index)

atom_ref_t atom_table_get_atom_ptr_and_len(struct AtomTable *table, atom_index_t index, size_t *out_len)

bool atom_table_is_atom_ref_ascii(struct AtomTable *table, atom_ref_t atom)

const uint8_t *atom_table_get_atom_string(struct AtomTable *table, atom_index_t index, size_t *out_len)

Get a pointer to the character data of a given atom.

returned pointer is not null terminated

Parameters:

• table – atom table

• atom_index – index of the atom to get the representation of

• out_len – on output, size of the character data

static inline void atom_table_write_mfa(struct AtomTable *table, char *buf, size_t buf_size, atom_index_t module, atom_index_t function, unsigned int arity)

Write module:function/arity to the supplied buffer.

Write module:function/arity to the supplied buffer. This function will abort if the written module, function, and arity are longer than the supplied buffer size.

Parameters:

• buf – the buffer to write into

• buf_size – the amount of room in the buffer

• module – the module name

• function – the function name

• arity – the function arity