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📄 BNF(3.52 KB)
📄 BugReport(409 B)
📄 HISTORY(55.43 KB)
📄 LICENCE(612 B)
📄 Makefile(14.48 KB)
📄 NAT.FreeBSD(2.84 KB)
📄 README(4.53 KB)
📄 STYLE.TXT(1.96 KB)
📄 WhatsNew50.txt(2.26 KB)
📄 Y2K(48 B)
📄 arc4random.c(5.03 KB)
📄 bpf-ipf.h(13.72 KB)
📄 bpf_filter.c(12.32 KB)
📄 genmask.c(1.14 KB)
📄 ip_dstlist.c(43.79 KB)
📄 ip_dstlist.h(1.43 KB)
📄 ip_fil.c(14.13 KB)
📄 ip_fil_compat.c(122.12 KB)
📄 ip_msnrpc_pxy.c(6.25 KB)
📄 ipf.h(11.97 KB)
📄 ipf_rb.h(10.37 KB)
📁 iplang
📄 ipmon.h(3.27 KB)
📁 ipsend
📄 ipt.h(536 B)
📄 kmem.h(526 B)
📁 l4check
📁 lib
📁 man
📄 md5.c(11.36 KB)
📄 md5.h(3.11 KB)
📄 mkfilters(2.62 KB)
📄 mlfk_rule.c(1.23 KB)
📄 opt_inet6.h(14 B)
📄 opts.h(1.45 KB)
📄 pcap-ipf.h(642 B)
📄 radix_ipf.c(41.92 KB)
📄 radix_ipf.h(2.64 KB)
📁 rules
📁 samples
📄 snoop.h(664 B)
📁 sys
📁 tools

Editing: STYLE.TXT

Over time, I am moving all of the IPFilter code to what I consider a better
coding style than it had before.  If you submit patches, I expect them to
conform as appropriate.

Function Comments
=================
Preceeding each and every function, a comment block like this should
be present:

/* ------------------------------------------------------------------------ */
/* Function:    function-name                                               */
/* Returns:     return-type                                                 */
/* Parameters:  param1(I) - param1 is an input parameter                    */
/*              p2(O)     - p2 is an output parameter passed as an arg      */
/*              par3(IO)  - par3 is a parameter which is both input and     */
/*                          output.  Pointers to things which are used and  */
/*                          then get a result stored in them qualify here.  */
/*                                                                          */
/* Description about what the function does.  This comment should explain   */
/* any gotchas or algorithms that are used which aren't obvious to the      */
/* casual reader.  It should not be an excuse to not use comments inside    */
/* the function.                                                            */
/* ------------------------------------------------------------------------ */

Tab spacing
===========
Tabs are to be at 8 characters.

Conditions
==========
All expressions which evaluate to a boolean for a test condition, such as
in an if()/while() statement must involve a boolean operation.  Since C
has no native boolean type, this means that one of <,>,<=,>=,==,!= must
be present.  Implied boolean evaluations are out.

In code, the following is banned:

if (x)
if (!x)
while ((a = b))

and should be replaced by:

if (x != 0)
if (x == 0)
while ((a = b) != 0)

If pointers are involved, always compare with NULL, ie.:

if (x != NULL)
if (x == NULL)
while ((a = b) != NULL)

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Editing: STYLE.TXT

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