libexplain/buffer/errno/ustat.h File Reference

#include <libexplain/ac/linux/types.h>
#include <libexplain/ac/sys/types.h>
#include <libexplain/ac/ustat.h>
#include <libexplain/string_buffer.h>

Go to the source code of this file.

Functions
void	explain_buffer_errno_ustat (explain_string_buffer_t *sb, int errnum, dev_t dev, struct ustat *ubuf)
void	explain_buffer_errno_ustat_explanation (explain_string_buffer_t *sb, int errnum, const char *syscall_name, dev_t dev, struct ustat *ubuf)

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Function Documentation

void explain_buffer_errno_ustat	(	explain_string_buffer_t *	sb,
		int	errnum,
		dev_t	dev,
		struct ustat *	ubuf
	)

The explain_buffer_errno_ustat function is used to obtain an explanation of an error returned by the ustat(2) system call. The least the message will contain is the value of strerror(errnum), but usually it will do much better, and indicate the underlying cause in more detail.

Parameters:

sb	The string buffer to print the message into. If a suitable buffer is specified, this function is thread safe.
errnum	The error value to be decoded, usually obtained from the errno global variable just before this function is called. This is necessary if you need to call any code between the system call to be explained and this function, because many libc functions will alter the value of errno.
dev	The original dev, exactly as passed to the ustat(2) system call.
ubuf	The original ubuf, exactly as passed to the ustat(2) system call.

Definition at line 91 of file ustat.c.

void explain_buffer_errno_ustat_explanation	(	explain_string_buffer_t *	sb,
		int	errnum,
		const char *	syscall_name,
		dev_t	dev,
		struct ustat *	ubuf
	)

The explain_buffer_errno_ustat_explanation function is used to obtain the explanation (the part after "because") of an error returned by the ustat(2) system call (and similar).

Parameters:

sb	The string buffer to print the message into. If a suitable buffer is specified, this function is thread safe.
errnum	The error value to be decoded, usually obtained from the errno global variable just before this function is called. This is necessary if you need to call any code between the system call to be explained and this function, because many libc functions will alter the value of errno.
syscall_name	The name of the offending system call.
dev	The original dev, exactly as passed to the ustat(2) system call.
ubuf	The original ubuf, exactly as passed to the ustat(2) system call.

Definition at line 45 of file ustat.c.