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