System/IO control

Macros
#define	TOU_SILENCE(...)
	Shorthand for surrounding a piece of code with tou_disable_stdout and tou_enable_stdout.

Functions
int	tou_disable_stdout ()
	Redirects STDOUT to /dev/null (or NUL: on Windows)
void	tou_enable_stdout (int saved_fd)
	Re-enables STDOUT that had been disabled using the saved file descriptor from previous function.

Variables
int	_tou_g_saved_stdout
	Filedescriptor handle local to this compilation unit used with TOU_SILENCE.

Detailed Description

Macro Definition Documentation

TOU_SILENCE

#define TOU_SILENCE

(

...

)

Value:

    _tou_g_saved_stdout = tou_disable_stdout(); \
    __VA_ARGS__ ; \
    tou_enable_stdout(_tou_g_saved_stdout);

Shorthand for surrounding a piece of code with tou_disable_stdout and tou_enable_stdout.

Function Documentation

tou_disable_stdout()

int tou_disable_stdout

(

)

Redirects STDOUT to /dev/null (or NUL: on Windows)

Return value should be saved if you wish to restore STDOUT function.

Returns

New file descriptor for the saved STDOUT

tou_enable_stdout()

void tou_enable_stdout

(

int

saved_fd

)

Re-enables STDOUT that had been disabled using the saved file descriptor from previous function.

Parameters

[in]

saved_fd

Saved STDOUT fd

Variable Documentation

_tou_g_saved_stdout

int _tou_g_saved_stdout

Filedescriptor handle local to this compilation unit used with TOU_SILENCE.

Since it isn't surrounded by #ifdef TOU_IMPLEMENTATION it'll be declared each time you #include the header.