nfile.c File Reference

Handles read/write abstractions to the users directory. More...

#include "nfile.h"
#include "array.h"
#include "conf.h"
#include "log.h"
#include "nstring.h"

Go to the source code of this file.

Functions
const char *	nfile_configPath (void)
	Gets Naev's config path (for user preferences such as conf.lua)
const char *	nfile_cachePath (void)
	Gets Naev's cache path (for cached data such as generated textures)
	if (strncpy(path==NULL)
	for (;p >=opath;p--)
	for (;p[0] !='\0';p++)
	if (!nfile_dirExists(opath))
int	nfile_dirMakeExist (const char *path)
	Creates a directory if it doesn't exist.
int	nfile_dirExists (const char *path)
	Checks to see if a directory exists.
int	nfile_fileExists (const char *path)
	Checks to see if a file exists.
int	nfile_backupIfExists (const char *path)
	Backup a file, if it exists.
int	nfile_copyIfExists (const char *file1, const char *file2)
	Copy a file, if it exists.
char *	nfile_readFile (size_t *filesize, const char *path)
	Tries to read a file.
int	nfile_touch (const char *path)
	Tries to create the file if it doesn't exist.
int	nfile_writeFile (const char *data, size_t len, const char *path)
	Tries to write a file.
int	nfile_isSeparator (uint32_t c)
	Checks to see if a character is used to separate files in a path.
int	_nfile_concatPaths (char buf[static 1], int maxLength, const char path[static 1],...)

Variables
static char	naev_configPath [PATH_MAX] = "\0"
static char	naev_cachePath [PATH_MAX] = "\0"
char *	p
size_t	len
int	ret
	return

Detailed Description

Handles read/write abstractions to the users directory.

Todo

Add support for Windows and macOS.

Definition in file nfile.c.

Function Documentation

_nfile_concatPaths()

int _nfile_concatPaths	(	char	buf[static 1],
		int	maxLength,
		const char	path[static 1],
			... )

Definition at line 592 of file nfile.c.

for() [1/2]

for

(

;p >=opath;p--

)

Definition at line 225 of file nfile.c.

for() [2/2]

for

(

;p !

[0] = '\0'; p++

)

Definition at line 240 of file nfile.c.

if() [1/2]

if

(

!

nfile_dirExistsopath

)

Definition at line 251 of file nfile.c.

if() [2/2]

if

(

strncpy(

path = = NULL

)

Definition at line 211 of file nfile.c.

nfile_backupIfExists()

int nfile_backupIfExists

(

const char *

path

)

Backup a file, if it exists.

Parameters

path	printf formatted string pointing to the file to backup.

Returns

0 on success, or if file does not exist, -1 on error.

Definition at line 343 of file nfile.c.

nfile_cachePath()

const char * nfile_cachePath

(

void

)

Gets Naev's cache path (for cached data such as generated textures)

Returns

The xdg cache path.

Definition at line 159 of file nfile.c.

nfile_configPath()

const char * nfile_configPath

(

void

)

Gets Naev's config path (for user preferences such as conf.lua)

Returns

The xdg config path.

Definition at line 116 of file nfile.c.

nfile_copyIfExists()

int nfile_copyIfExists	(	const char *	file1,
		const char *	file2 )

Copy a file, if it exists.

Parameters

file1	Filename to copy from.
file2	Filename to copy to.

Returns

0 on success, or if file1 does not exist, -1 on error.

Definition at line 365 of file nfile.c.

nfile_dirExists()

int nfile_dirExists

(

const char *

path

)

Checks to see if a directory exists.

Parameters

path	Path to directory

Returns

1 on exists, 0 otherwise

Definition at line 296 of file nfile.c.

nfile_dirMakeExist()

int nfile_dirMakeExist

(

const char *

path

)

Creates a directory if it doesn't exist.

Parameters

path	Path to create directory if it doesn't exist.

Returns

0 on success.

Definition at line 267 of file nfile.c.

nfile_fileExists()

int nfile_fileExists

(

const char *

path

)

Checks to see if a file exists.

Parameters

path	string pointing to the file to check for existence.

Returns

1 if file exists, 0 if it doesn't or -1 on error.

Definition at line 316 of file nfile.c.

nfile_isSeparator()

int nfile_isSeparator

(

uint32_t

c

)

Checks to see if a character is used to separate files in a path.

Parameters

c	Character to check.

Returns

1 if is a separator, 0 otherwise.

Definition at line 581 of file nfile.c.

nfile_readFile()

char * nfile_readFile	(	size_t *	filesize,
		const char *	path )

Tries to read a file.

Parameters

filesize	Stores the size of the file.
path	Path of the file.

Returns

The file data.

Definition at line 427 of file nfile.c.

nfile_touch()

int nfile_touch

(

const char *

path

)

Tries to create the file if it doesn't exist.

Parameters

path	Path of the file to create.

Definition at line 512 of file nfile.c.

nfile_writeFile()

int nfile_writeFile	(	const char *	data,
		size_t	len,
		const char *	path )

Tries to write a file.

Parameters

data	Pointer to the data to write.
len	The size of data.
path	Path of the file.

Returns

0 on success, -1 on error.

Definition at line 538 of file nfile.c.

Variable Documentation

len

size_t len

Definition at line 208 of file nfile.c.

naev_cachePath

char naev_cachePath[PATH_MAX] = "\0"

static

Store Naev's cache path.

Definition at line 153 of file nfile.c.

naev_configPath

char naev_configPath[PATH_MAX] = "\0"

static

Store Naev's config path.

Definition at line 110 of file nfile.c.

p

p

Initial value:

{
   char opath[PATH_MAX]

Definition at line 207 of file nfile.c.

ret

int ret

Definition at line 209 of file nfile.c.

return

return

Definition at line 257 of file nfile.c.