NAME¶
explain_execlp_or_die - execute a file and report errors
SYNOPSIS¶
#include <libexplain/execlp.h>
void explain_execlp_or_die(, ...);
int explain_execlp_on_error(, ...);
DESCRIPTION¶
The
explain_execlp_or_die function is used to call the
execlp(3)
system call. On failure an explanation will be printed to
stderr,
obtained from the
explain_execlp(3) function, and then the process
terminates by calling exit(EXIT_FAILURE).
The
explain_execlp_on_error function is used to call the
execlp(3)
system call. On failure an explanation will be printed to
stderr,
obtained from the
explain_execlp(3) function, but still returns to the
caller.
RETURN VALUE¶
The
explain_execlp_or_die function only returns on success, see
execlp(3) for more information. On failure, prints an explanation and
exits, it does not return.
The
explain_execlp_on_error function always returns the value return by
the wrapped
execlp(3) system call.
EXAMPLE¶
The
explain_execlp_or_die function is intended to be used in a fashion
similar to the following example:
SEE ALSO¶
- execlp(3)
- execute a file
- explain_execlp(3)
- explain execlp(3) errors
- exit(2)
- terminate the calling process
COPYRIGHT¶
libexplain version 0.52
Copyright (C) 2009 Peter Miller