reis.h File Reference

Shared typedefs and functions. More...

#include <stdlib.h>
#include <unistd.h>
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#include <dirent.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/types.h>
#include <sys/prctl.h>
#include <signal.h>
#include <syslog.h>
#include <time.h>
#include <fcntl.h>
#include <stdatomic.h>

Go to the source code of this file.

Data Structures
struct	Pair
struct	Vec2
struct	Map
struct	List
struct	wcs_dynarr_t
struct	MultiMapNode
struct	MultiMap
struct	TrieNode
struct	string_t
union	string_t::string_content
struct	hashtable_entry_t
struct	hashtable_t
struct	hashtable_iterator_t
struct	filesystem_t

Macros
#define	VERISION   "0.1.0"
#define	REISLIB_INT_MAX   2147483647
#define	CHARSET   "abcdefghijklmnopqrstuvwxyz"
#define	CHARSET_LEN   26
#define	MAX_CHARSET_SIZE   256
#define	SUB   0x1A
#define	MAX_DATASTRUCT_STRSIZ   100
#define	MAP_MAX   100
#define	MULTIMAP_DEFAULT_SIZE   16
#define	MULTIMAP_RESIZE_FACTOR   2
#define	REISLIB_HASHTABLE_INITIAL_CAPACITY   16
#define	REISLIB_HASH_FNV_OFFSET   14695981039346656037UL
#define	REISLIB_HASH_FNV_PRIME   1099511628211UL
#define	BD_NO_CHDIR   01
#define	BD_NO_CLOSE_FILES   02
#define	BD_NO_REOPEN_STD_FDS   04
#define	BD_NO_UMASK0   010
#define	BD_MAX_CLOSE   8192
#define	ANSI_RED   "\x1b[31m"
#define	ANSI_GREEN   "\x1b[32m"
#define	ANSI_YELLOW   "\x1b[33m"
#define	ANSI_BLUE   "\x1b[34m"
#define	ANSI_MAGENTA   "\x1b[35m"
#define	ANSI_CYAN   "\x1b[36m"
#define	ASNI_WHITE   "\x1b[37m"
#define	ANSI_RESET   "\x1b[0m"
#define	CHECK_PRINTF_FMT(...)
#define	fnname(name)
#define	reisHashTableGet(table, key)
#define	reisHashTableSet(table, key, value)
#define	MALLOC(size)
#define	CALLOC(nitems, size)
#define	REALLOC(ptr, size)
#define	MGET(ptr)
#define	FREE(ptr)
#define	foreach   for

Typedefs
typedef uint8_t	u8
typedef uint16_t	u16
typedef uint32_t	u32
typedef uint64_t	u64
typedef int8_t	s8
typedef int16_t	s16
typedef int32_t	s32
typedef int64_t	s64
typedef float	f32
typedef double	f64
typedef long double	f128
typedef struct Vec2	Vec2
typedef struct Map	Map
typedef struct wcs_dynarr_t	wcs_dynarr_t
typedef struct MultiMapNode	MultiMapNode
typedef struct TrieNode	TrieNode

Functions
enum	__attribute__ ((__packed__))
Pair *	reisPairCreate (wchar_t *first, wchar_t *second)
void	reisPairFree (Pair *p)
Vec2 *	reisNewVec2 (int x, int y)
	Create a new Vec2 datatype instance.
void	reisDelVec2 (Vec2 *v)
	Destroy a Vec2 instance.
Map *	reisMapNew ()
void	reisMapInsert (Map *m, char key[], int value)
int	reisMapGet (Map *m, char key[])
void	reisMapPrint (Map *m)
void	reisMapDel (Map *m)
List *	reisListNew (size_t n)
void	reisListDel (List *a)
MultiMap *	reisNewMultiMap ()
void	reisMultiMapInsert (MultiMap *m, wchar_t *key, void *value, size_t size)
void **	reisMultiMapGet (MultiMap *m, wchar_t *key, size_t *numValues)
void	reisMultiMapPrint (MultiMap *m)
void	reisDelMultiMap (MultiMap *m)
wcs_dynarr_t *	wcs_dynarr_init ()
void	wcs_dynarr_kill (wcs_dynarr_t *arr)
void	wcs_dynarr_push (wcs_dynarr_t *arr, wchar_t *item)
TrieNode *	TrieNodeInit (wchar_t data, int numOfLetters)
void	TrieNodeFree (TrieNode *node)
TrieNode *	TrieInsert (TrieNode *root, wchar_t *word)
	Inserts word onto the trie.
TrieNode *	TrieDelete (TrieNode *root, wchar_t *word)
	Deletes words from trie. Will try to delete the word sequence from trie only if it ends up in a leaf node.
bool	TrieSearch (TrieNode *root, wchar_t *word)
	Searches for a given word.
void	TriePrint (TrieNode *root)
bool	TriePrintSearch (TrieNode *root, wchar_t *word)
hashtable_t *	reisNewHashTable ()
void	reisDelHashTable (hashtable_t *table)
void *	HashTableGet_str (hashtable_t *table, const char *key)
void *	HashTableGet_wcs (hashtable_t *table, const wchar_t *key)
const char *	HashTableSet_str (hashtable_t *table, const char *key, void *value)
const wchar_t *	HashTableSet_wcs (hashtable_t *table, const wchar_t *key, void *value)
size_t	reisHashTableLength (hashtable_t *table)
hashtable_iterator_t	reisNewHashTableIterator (hashtable_t *table)
bool	reisHashTableIteratorNext (hashtable_iterator_t it)
int	reisDaemonize (const char *name, char *path, int flags)
int	randi ()
	Uses the defined INT_MAX instead of passing bounds.
int	randib (int lb, int ub)
char	randc ()
char *	rands (size_t len)
int	isNum (const char *str)
filesystem_t *	FS_Create (char *path)
	Create a filesystem_t object.
void	FS_Destroy (filesystem_t *fs)
	Terminates a filesystem_t object.
char	fpeek (FILE *stream)
	View the next character in stream, doesn't move pointer.
wchar_t	fpeek_wc (FILE *stream)
	Same as fpeek but for wchar_t.
char	fspeek (FILE *stream, long int offset, int position)
	View a character at position without moving pointer; Peeks a seek.
int	frpeek (FILE *stream, char c)
	A recursive peek that goes to end of line or EOF to get # of occurences.
int	frdpeek (FILE *stream, char d)
	A recursive peek that goes till the delimter d.
int	fcounts (FILE *stream)
	Character count of current line of buffer.
void	fcopy (FILE *dest, FILE *src)
	Copies data from src file to dest file.
bool	fexists (const char *file)
	Checks if file exists.
bool	fmove (char *oldpath, char *newpath)
	Move data from oldpath file to newpath.
const char *	ExtractFileName (const char *path)
	Returns filename.
const char *	ExtractFileExtension (const char *filename)
	Returns file extension.
bool	dexists (const char *path)
	Checks if directory exists.
void	sgets (char *str, int n)
	A safe way to read input that ensures no misc LF or breaks in read string.
bool	PromptYesOrNo (const char *question)
	Prompts the user with a yes or no question.
	CHECK_PRINTF_FMT (1, 2) void eprintf(const char *fmt
	CHECK_PRINTF_FMT (1, 3) void cprintf(const char *color
const char char *	strdupl (const char *str)
	Implmentation of 'strdup,' using my MALLOC.
char *	strcov (char *str, const char *charset)
	Checks if string covers all of charset.
wchar_t *	wcscov (wchar_t *str, const wchar_t *charset)
const char *	strset (const char *string, const char *charset)
	Checks to see if string contains only characters in charset.
const wchar_t *	wcsset (const wchar_t *string, const wchar_t *charset)
char *	strpcat (char *dest, const char *src, size_t pos)
	concatenate but at a give 'p' position.
wchar_t *	wcspcat (wchar_t *dest, const wchar_t *src, size_t pos)
char *	chrcat (char *dest, const char src)
	Concatenate a char on to the end of a string.
wchar_t *	wccat (wchar_t *dest, const wchar_t src)
int	strchrn (const char *string, char ch)
	Get number of times that ch appears in string.
int	wcswcn (const wchar_t *string, wchar_t ch)
	(Wide-char variant) Get number of times that ch appears in string.
wchar_t *	wcsrev (wchar_t *str)
	Reverses the wide character string.
char *	strpre (char *str, char chr)
wchar_t *	wcspre (wchar_t *str, wchar_t chr)
	Prepends a character to a wide character string.
char *	strpres (char *str, char *pre)
wchar_t *	wcspres (wchar_t *str, wchar_t *pre)
char *	strisdigit (char *str)
	Confirms that string is entirely composed on numbers.
wchar_t *	wcsisdigit (wchar_t *str)
	Confirms that wcstring is entirely composed on numbers.
long	hash (const char *str)
void *	reisMalloc (size_t size)
void *	reisCalloc (size_t nitems, size_t size)
void *	reisRealloc (void *ptr, size_t size)
size_t	reisMemGet (void *ptr)
size_t	reisFree (void *ptr)
size_t	reisMemGetAll ()
void	reisInsertionSort (int arr[], int len)
void	reisMergeSort (int arr[], int len)
void	reisSort (int arr[], int len)

Variables
	bool
const char *	fmt

Detailed Description

Shared typedefs and functions.

Author

yung-turabian

Date

4 8 2024

Macro Definition Documentation

CALLOC

#define CALLOC	(		nitems,
			size )

Value:

reisCalloc(nitems, size)

fnname

#define fnname

(

name

)

Value:

#name

FREE

#define FREE

(

ptr

)

Value:

reisFree(ptr)

MALLOC

#define MALLOC

(

size

)

Value:

reisMalloc(size)

MGET

#define MGET

(

ptr

)

Value:

reisMemGet(ptr)

REALLOC

#define REALLOC	(		ptr,
			size )

Value:

reisRealloc(ptr, size)

reisHashTableGet

#define reisHashTableGet	(		table,
			key )

Value:

                _Generic((key), \
                char *: HashTableGet_str, \
                const char *: HashTableGet_str, \
                wchar_t *: HashTableGet_wcs \
)(table, key)

reisHashTableSet

#define reisHashTableSet	(		table,
			key,
			value )

Value:

                _Generic((key), \
                char *: HashTableSet_str, \
                const char *: HashTableSet_str, \
                wchar_t *: HashTableSet_wcs \
)(table, key, value)

Function Documentation

chrcat()

char * chrcat	(	char *	dest,
		const char	src )

Concatenate a char on to the end of a string.

Returns

dest string

dexists()

bool dexists

(

const char *

path

)

Checks if directory exists.

Returns

a boolean.

ExtractFileExtension()

const char * ExtractFileExtension

(

const char *

filename

)

Returns file extension.

Returns

file exteionsion.

ExtractFileName()

const char * ExtractFileName

(

const char *

path

)

Returns filename.

Returns

a filename.

fcopy()

void fcopy	(	FILE *	dest,
		FILE *	src )

Copies data from src file to dest file.

Returns

void.

fcounts()

int fcounts

(

FILE *

stream

)

Character count of current line of buffer.

Returns

A count.

fexists()

bool fexists

(

const char *

file

)

Checks if file exists.

Returns

a boolean.

fmove()

bool fmove	(	char *	oldpath,
		char *	newpath )

Move data from oldpath file to newpath.

Returns

a boolean if was succesful or not.

fpeek()

char fpeek

(

FILE *

stream

)

View the next character in stream, doesn't move pointer.

Returns

the character.

fpeek_wc()

wchar_t fpeek_wc

(

FILE *

stream

)

Same as fpeek but for wchar_t.

Returns

the character.

frdpeek()

int frdpeek	(	FILE *	stream,
		char	d )

A recursive peek that goes till the delimter d.

Returns

The number of occurences.

frpeek()

int frpeek	(	FILE *	stream,
		char	c )

A recursive peek that goes to end of line or EOF to get # of occurences.

Returns

the number of occurences.

FS_Create()

filesystem_t * FS_Create

(

char *

path

)

Create a filesystem_t object.

Returns

The new structure.

FS_Destroy()

void FS_Destroy

(

filesystem_t *

fs

)

Terminates a filesystem_t object.

Returns

nothing.

fspeek()

char fspeek	(	FILE *	stream,
		long int	offset,
		int	position )

View a character at position without moving pointer; Peeks a seek.

Returns

seeked and peeked character.

PromptYesOrNo()

bool PromptYesOrNo

(

const char *

question

)

Prompts the user with a yes or no question.

Returns

boolean response.

reisCalloc()

void * reisCalloc	(	size_t	nitems,
		size_t	size )

Warning

Must be freed with free_s.

reisDelVec2()

void reisDelVec2

(

Vec2 *

v

)

Destroy a Vec2 instance.

Parameters

v	The vector.

reisMalloc()

void * reisMalloc

(

size_t

size

)

Warning

Must be freed with free_s.

reisNewVec2()

Vec2 * reisNewVec2	(	int	x,
		int	y )

Create a new Vec2 datatype instance.

Parameters

x
y

Returns

Vec2*

sgets()

void sgets	(	char *	str,
		int	n )

A safe way to read input that ensures no misc LF or breaks in read string.

Parameters

[str]	A buffer.
[n]	The buffer's length.

Returns

nothing.

strchrn()

int strchrn	(	const char *	string,
		char	ch )

Get number of times that ch appears in string.

Returns

the number of instances.

strcov()

char * strcov	(	char *	str,
		const char *	charset )

Checks if string covers all of charset.

Warning

will not care if a character not present in the charset is found.

Returns

string on success or NULL on failure.

strdupl()

const char char * strdupl

(

const char *

str

)

Implmentation of 'strdup,' using my MALLOC.

Returns

copy of string or NULL if something went wrong.

strpcat()

char * strpcat	(	char *	dest,
		const char *	src,
		size_t	pos )

concatenate but at a give 'p' position.

Returns

dest string.

strset()

const char * strset	(	const char *	string,
		const char *	charset )

Checks to see if string contains only characters in charset.

Returns

string if true, NULL if a unexpected character is found.

TrieInsert()

TrieNode * TrieInsert	(	TrieNode *	root,
		wchar_t *	word )

Inserts word onto the trie.

Warning

Assumes word only has lower case characters.

wcspre()

wchar_t * wcspre	(	wchar_t *	str,
		wchar_t	chr )

Prepends a character to a wide character string.

Returns

on success return string.

wcsrev()

wchar_t * wcsrev

(

wchar_t *

str

)

Reverses the wide character string.

Returns

on success return string.

wcswcn()

int wcswcn	(	const wchar_t *	string,
		wchar_t	ch )

(Wide-char variant) Get number of times that ch appears in string.

Returns

the number of instances.