libexplain/buffer/check_fildes_range.h File Reference

#include <libexplain/string_buffer.h>

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Functions
int	explain_buffer_check_fildes_range (explain_string_buffer_t *sb, int fildes, const char *caption)

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Function Documentation

int explain_buffer_check_fildes_range	(	explain_string_buffer_t *	sb,
		int	fildes,
		const char *	caption
	)

The explain_buffer_check_fildes_range function may be used to check that a file descriptor is within the acceptable range, and print an explanation if it is not.

Parameters:

sb	The string buffer to print into.
fildes	The file descriptor value to be checked.
caption	The name of the function call argument containg the file descriptor value to be checked.

Returns:

0 if printed an explanation, -1 if not out of range (no explanation printed)

Definition at line 71 of file check_fildes_range.c.