Merge tag 'upstream/5.0.1'

Upstream version 5.0.1

1 files changed, 0 insertions, 58 deletions

diff --git a/src/libfreeswan/rangetosubnet.3 b/src/libfreeswan/rangetosubnet.3
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-.TH IPSEC_RANGETOSUBNET 3 "8 Sept 2000"
-.SH NAME
-ipsec rangetosubnet \- convert address range to subnet
-.SH SYNOPSIS
-.B "#include <freeswan.h>"
-.sp
-.B "const char *rangetosubnet(const ip_address *start,"
-.ti +1c
-.B "const ip_address *stop, ip_subnet *dst);"
-.SH DESCRIPTION
-.I Rangetosubnet
-accepts two IP addresses which define an address range,
-from
-.I start
-to
-.I stop
-inclusive,
-and converts this to a subnet if possible.
-The addresses must both be IPv4 or both be IPv6,
-and the address family of the resulting subnet is the same.
-.PP
-.I Rangetosubnet
-returns NULL for success and
-a pointer to a string-literal error message for failure;
-see DIAGNOSTICS.
-.SH SEE ALSO
-ipsec_initsubnet(3), ipsec_ttosubnet(3)
-.SH DIAGNOSTICS
-Fatal errors in
-.I rangetosubnet
-are:
-mixed address families;
-unknown address family;
-.I start
-and
-.I stop
-do not define a subnet.
-.SH HISTORY
-Written for the FreeS/WAN project by Henry Spencer.
-.SH BUGS
-The restriction of error reports to literal strings
-(so that callers don't need to worry about freeing them or copying them)
-does limit the precision of error reporting.
-.PP
-The error-reporting convention lends itself
-to slightly obscure code,
-because many readers will not think of NULL as signifying success.
-A good way to make it clearer is to write something like:
-.PP
-.RS
-.nf
-.B "const char *error;"
-.sp
-.B "error = rangetosubnet( /* ... */ );"
-.B "if (error != NULL) {"
-.B "        /* something went wrong */"
-.fi
-.RE