Error Functions

Error reporting utilities. More...

Functions
void	print_err (bool print_errno, const char *message)
	Prints "Error\n" to stderr with optional message and errno.
void	fprint_err (bool print_errno, const char *safe, const char *fmt,...)
	Prints "Error\n" to stderr with safe prefix + formatted suffix.

Detailed Description

Error reporting utilities.

Functions to print formatted error messages to stderr.

Function Documentation

fprint_err()

void fprint_err	(	bool	print_errno,
		const char *	safe,
		const char *	fmt,
			...
	)

Prints "Error\n" to stderr with safe prefix + formatted suffix.

Prints safe prefix always, then attempts to format and append fmt. If formatting fails, only the safe prefix is printed. '
' is always printed at the end.

Warning

safe and fmt must NOT be NULL, use print_err() otherwise.

Parameters

print_errno	If true, prints errno description using strerror().
safe	Safe prefix printed unconditionally (borrowed).
fmt	Format string for suffix (borrowed).
...	Variadic arguments for format specifiers.

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print_err()

void print_err	(	bool	print_errno,
		const char *	message
	)

Prints "Error\n" to stderr with optional message and errno.

If print_errno is false and message is NULL, only "Error\n" is printed. If print_errno is true, uses strerror() to print the errno description. If message is not NULL, prints the message. '
' is always printed at the end.

Parameters

print_errno	If true, prints errno description using strerror().
message	Optional message to print (borrowed, can be NULL).

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