usual/err.h File Reference

Error printing for command-line utilities. More...

Functions
void	err (int e, const char *fmt,...) _PRINTF(2
	Print formatted message and strerror(errno) to stderr and exit with given error code.
void void	errx (int e, const char *fmt,...) _PRINTF(2
	Print formatted message to stderr and exit with given error code.
void void void	warn (const char *fmt,...) _PRINTF(1
	Print formatted message and strerror(errno) to stderr.
void void void void	warnx (const char *fmt,...) _PRINTF(1
	Print formatted message to stderr.
void void void void void	setprogname (const char *s)
	Set program name to that will printed as prefix to error messages.
const char *	getprogname (void)
	Return program name set with setprogname.
void *	xmalloc (size_t len)
	Malloc that exits on failure.
void *	xrealloc (void *p, size_t len)
	Realloc that exits on failure.
char *	xstrdup (const char *s)
	strdup that exits on failure

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Detailed Description

Error printing for command-line utilities.

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Function Documentation

void err	(	int	e,
		const char *	fmt,
			...
	)

Print formatted message and strerror(errno) to stderr and exit with given error code.

Referenced by hashtab_copy().

void void errx	(	int	e,
		const char *	fmt,
			...
	)

Print formatted message to stderr and exit with given error code.

void void void warn	(	const char *	fmt,
			...
	)

Print formatted message and strerror(errno) to stderr.

void void void void warnx	(	const char *	fmt,
			...
	)

Print formatted message to stderr.

void void void void void setprogname

(

const char *

s

)

Set program name to that will printed as prefix to error messages.

const char* getprogname

(

void

)

Return program name set with setprogname.

void* xmalloc

(

size_t

len

)

Malloc that exits on failure.

void* xrealloc	(	void *	p,
		size_t	len
	)

Realloc that exits on failure.

char* xstrdup

(

const char *

s

)

strdup that exits on failure