NAME

explain_execv_or_die - execute a file and report errors

SYNOPSIS

#include <libexplain/execv.h>

void explain_execv_or_die(const char *pathname, char *const*argv);
int explain_execv_on_error(const char *pathname, char *const*argv);

DESCRIPTION

The explain_execv_or_die function is used to call the execv(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_execv(3) function, and then the process terminates by calling exit(EXIT_FAILURE).

The explain_execv_on_error function is used to call the execv(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_execv(3) function, but still returns to the caller.

pathname: The pathname, exactly as to be passed to the execv(3) system call.
argv: The argv, exactly as to be passed to the execv(3) system call.

RETURN VALUE

The explain_execv_or_die function only returns on success, see execv(3) for more information. On failure, prints an explanation and exits, it does not return.

The explain_execv_on_error function always returns the value return by the wrapped execv(3) system call.

EXAMPLE

The explain_execv_or_die function is intended to be used in a fashion similar to the following example:

explain_execv_or_die(pathname, argv);

NAME

SYNOPSIS

DESCRIPTION

RETURN VALUE

EXAMPLE

SEE ALSO

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