tAdd working copy of strlcat(3) - scribo - Email-based phlog generator
 (HTM) git clone git://git.z3bra.org/scribo.git
 (DIR) Log
 (DIR) Files
 (DIR) Refs
 (DIR) README
 (DIR) LICENSE
       ---
 (DIR) commit 2b0a9a4d1f589eb8ec7b814eeda2ae88b28266ba
 (DIR) parent 37e8d4f3e903d7e5ff317d317168b7ab49d7c171
 (HTM) Author: Willy Goiffon <dev@z3bra.org>
       Date:   Mon,  7 Sep 2020 17:23:48 +0200
       
       Add working copy of strlcat(3)
       
       Diffstat:
         M makefile                            |       2 +-
         A strlcat.c                           |      61 +++++++++++++++++++++++++++++++
       
       2 files changed, 62 insertions(+), 1 deletion(-)
       ---
 (DIR) diff --git a/makefile b/makefile
       t@@ -2,7 +2,7 @@ include config.mk
        
        .SUFFIXES: .h .def.h
        
       -scribo: scribo.o rfc5322.o strlcpy.o
       +scribo: scribo.o rfc5322.o strlcpy.o strlcat.o
        scribo.o: config.h
        
        .def.h.h:
 (DIR) diff --git a/strlcat.c b/strlcat.c
       t@@ -0,0 +1,61 @@
       +/* NOTE: This code was adapted from openbsd-compat/strlcat.c in OpenSSH */
       +
       +/*        $OpenBSD: strlcat.c,v 1.13 2005/08/08 08:05:37 espie Exp $        */
       +
       +/*
       + * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
       + *
       + * Permission to use, copy, modify, and distribute this software for any
       + * purpose with or without fee is hereby granted, provided that the above
       + * copyright notice and this permission notice appear in all copies.
       + *
       + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
       + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
       + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
       + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
       + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
       + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
       + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
       + */
       +
       +/* OPENBSD ORIGINAL: lib/libc/string/strlcat.c */
       +
       +#include <sys/types.h>
       +#include <string.h>
       +
       +/*
       + * Appends src to string dst of size siz (unlike strncat, siz is the
       + * full size of dst, not space left).  At most siz-1 characters
       + * will be copied.  Always NUL terminates (unless siz <= strlen(dst)).
       + * Returns strlen(src) + MIN(siz, strlen(initial dst)).
       + * If retval >= siz, truncation occurred.
       + */
       +size_t
       +strlcat(char *dst, const char *src, size_t siz)
       +{
       +        char *d = dst;
       +        const char *s = src;
       +        size_t n = siz;
       +        size_t dlen;
       +
       +        /* Find the end of dst and adjust bytes left but don't go past end */
       +        while (n-- != 0 && *d != '\0')
       +                d++;
       +        dlen = d - dst;
       +        n = siz - dlen;
       +
       +        if (n == 0)
       +                return(dlen + strlen(s));
       +        while (*s != '\0') {
       +                if (n != 1) {
       +                        *d++ = *s;
       +                        n--;
       +                }
       +                s++;
       +        }
       +        *d = '\0';
       +
       +        return(dlen + (s - src));        /* count does not include NUL */
       +}
       +
       +