utils.h File Reference

Interface to a number of general purpose functionality. More...

#include <stdbool.h>

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Macros
#define	NOF_ELEMENTS(array)   (sizeof(array)/sizeof(*(array)))
#define	ABS(x)   (((x)>0)?(x):(-(x)))
#define	min(x, y)   (((x)<(y))?(x):(y))
#define	max(x, y)   (((x)>(y))?(x):(y))
#define	nsmkdir(dir, mode)   mkdir((dir), (mode))
	POSIX mkdir function. More...
#define	FLEX_ARRAY_LEN_DECL
#define	SLEN(x)   (sizeof((x)) - 1)
	Calculate length of constant C string. More...
#define	fallthrough   do {} while(0)
	switch fall through More...

Functions
bool	is_dir (const char *path)
	Check if a directory exists. More...

Detailed Description

Interface to a number of general purpose functionality.

Todo:

Many of these functions and macros should have their own headers.

Definition in file utils.h.

Macro Definition Documentation

ABS

#define ABS

(

x

)

(((x)>0)?(x):(-(x)))

Definition at line 36 of file utils.h.

fallthrough

#define fallthrough   do {} while(0)

switch fall through

Definition at line 115 of file utils.h.

FLEX_ARRAY_LEN_DECL

#define FLEX_ARRAY_LEN_DECL

Definition at line 66 of file utils.h.

max

#define max	(		x,
			y
	)		(((x)>(y))?(x):(y))

Definition at line 50 of file utils.h.

min

#define min	(		x,
			y
	)		(((x)<(y))?(x):(y))

Definition at line 46 of file utils.h.

NOF_ELEMENTS

#define NOF_ELEMENTS

(

array

)

(sizeof(array)/sizeof(*(array)))

Definition at line 32 of file utils.h.

nsmkdir

#define nsmkdir	(		dir,
			mode
	)		mkdir((dir), (mode))

POSIX mkdir function.

Definition at line 60 of file utils.h.

SLEN

#define SLEN

(

x

)

(sizeof((x)) - 1)

Calculate length of constant C string.

Parameters

x	a constant C string.

Returns

The length of C string without its terminator.

Definition at line 84 of file utils.h.

Function Documentation

is_dir()

bool is_dir

(

const char *

path

)

Check if a directory exists.

Definition at line 94 of file utils.c.

References path().

Referenced by filename_create_directory(), handle_filesystem_select_button(), menu_save_page(), ro_gui_choose_language(), and ro_gui_default_language().

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