IPSEC_STRERROR(3)

NAME
ipsec_strerror - error messages for the IPsec policy manipulation library

LIBRARY
libipsec

SYNOPSIS
#include <netipsec/ipsec.h>
const char *
ipsec_strerror(void);

DESCRIPTION
netinet6/ipsec.h declares

    extern int ipsec_errcode;

which is used to pass an error code from the IPsec policy manipulation library to a program. ipsec_strerror() can be used to obtain the error message string for the error code.

The array pointed to is not to be modified by the calling program. Since ipsec_strerror() uses strerror(3) as underlying function, calling strerror(3) after ipsec_strerror() will make the return value from ipsec_strerror() invalid or overwritten.

RETURN VALUES
ipsec_strerror() always returns a pointer to a C string. The C string must not be overwritten by the calling program.

SEE ALSO
ipsec_set_policy(3)

HISTORY
ipsec_strerror() first appeared in the WIDE/KAME IPv6 protocol stack kit.

BUGS
ipsec_strerror() will return its result which may be overwritten by subsequent calls.

ipsec_errcode is not thread safe.