NAME¶
explain_strdup_or_die - duplicate a string and report errors
SYNOPSIS¶
#include <libexplain/strdup.h>
char *explain_strdup_or_die(const char *data);
char *explain_strdup_on_error(const char *data);
DESCRIPTION¶
The
explain_strdup_or_die function is used to call the
strdup(3)
system call. On failure an explanation will be printed to
stderr,
obtained from the
explain_strdup(3) function, and then the process
terminates by calling exit(EXIT_FAILURE).
The
explain_strdup_on_error function is used to call the
strdup(3)
system call. On failure an explanation will be printed to
stderr,
obtained from the
explain_strdup(3) function, but still returns to the
caller.
- data
- The data, exactly as to be passed to the strdup(3)
system call.
RETURN VALUE¶
The
explain_strdup_or_die function only returns on success, see
strdup(3) for more information. On failure, prints an explanation and
exits, it does not return.
The
explain_strdup_on_error function always returns the value return by
the wrapped
strdup(3) system call.
EXAMPLE¶
The
explain_strdup_or_die function is intended to be used in a fashion
similar to the following example:
char *result = explain_strdup_or_die(data);
SEE ALSO¶
- strdup(3)
- duplicate a string
- explain_strdup(3)
- explain strdup(3) errors
- exit(2)
- terminate the calling process
COPYRIGHT¶
libexplain version 0.52
Copyright (C) 2009 Peter Miller