const char *
ipsec_strerror(
void
)
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.
)
always returns a pointer to a C string.
The C string must not be overwritten by the calling program.
)
first appeared in the WIDE/KAME IPv6 protocol stack kit.
)
will return its result which may be overwritten by subsequent calls.
ipsec_errcode is not thread safe.