---

qCount.c File Reference

Counter File Handling API. More…

Functions
int	qCountRead (const char *filepath)
	Read counter(integer) from file with advisory file locking.
bool	qCountSave (const char *filepath, int number)
	Save counter(integer) to file with advisory file locking.
int	qCountUpdate (const char *filepath, int number)
	Increases(or decrease) the counter value as much as specified number with advisory file locking.

---

Detailed Description

Counter File Handling API.

Read/Write/Update counter file like below.

   ---- number.dat ----
   74
   --------------------

---

Function Documentation

int qCountRead

(

const char *

filepath

)

Read counter(integer) from file with advisory file locking.

Parameters:

filepath

file path

Returns:

counter value readed from file. in case of failure, returns 0.

Note:

   int count;
   count = qCountRead("number.dat");

bool qCountSave	(	const char *	filepath,
		int	number
	)

Save counter(integer) to file with advisory file locking.

Parameters:

	filepath	file path
	number	counter integer value

Returns:

in case of success, returns true. otherwise false.

Note:

   qCountSave("number.dat", 75);

int qCountUpdate	(	const char *	filepath,
		int	number
	)

Increases(or decrease) the counter value as much as specified number with advisory file locking.

Parameters:

	filepath	file path
	number	how much increase or decrease

Returns:

updated counter value. in case of failure, returns 0.

Note:

   int count;
   count = qCountUpdate("number.dat", -3);

---

[Home] [About] [Examples] [Changes] [Download] [SVN Repository] [Install] [Reference]