[hackers] [sbase] Add strlcpy()/strlcat() || sin

[git]

commit fb12183c5284ded7277d4af5b686826be4d99852
Author: sin <s...@2f30.org>
Date:   Thu Jan 30 12:37:35 2014 +0000

    Add strlcpy()/strlcat()
    
    Refactor recurse() routine in preparation to moving tar(1) over
    to use it instead of the ftw() interface.

diff --git a/Makefile b/Makefile
index 9fada0f..204e05c 100644
--- a/Makefile
+++ b/Makefile
@@ -22,7 +22,9 @@ LIB = \
        util/rm.o        \
        util/sha1.o      \
        util/sha256.o    \
-       util/sha512.o
+       util/sha512.o    \
+       util/strlcat.o   \
+       util/strlcpy.o
 
 SRC = \
        basename.c \
diff --git a/util.h b/util.h
index f7e8780..4856bb3 100644
--- a/util.h
+++ b/util.h
@@ -1,5 +1,5 @@
 /* See LICENSE file for copyright and license details. */
-
+#include <stddef.h>
 #include "arg.h"
 
 #define UTF8_POINT(c) (((c) & 0xc0) != 0x80)
@@ -20,4 +20,6 @@ long estrtol(const char *, int);
 void fnck(const char *, const char *, int (*)(const char *, const char *));
 void putword(const char *);
 void recurse(const char *, void (*)(const char *));
+size_t strlcat(char *, const char *, size_t);
+size_t strlcpy(char *, const char *, size_t);
 void weprintf(const char *, ...);
diff --git a/util/recurse.c b/util/recurse.c
index b3d1f8c..6ac235e 100644
--- a/util/recurse.c
+++ b/util/recurse.c
@@ -1,17 +1,19 @@
 /* See LICENSE file for copyright and license details. */
 #include <dirent.h>
-#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <unistd.h>
 #include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
 
 #include "../util.h"
 
 void
 recurse(const char *path, void (*fn)(const char *))
 {
-       char *cwd;
+       char buf[PATH_MAX], *p;
        struct dirent *d;
        struct stat st;
        DIR *dp;
@@ -22,19 +24,19 @@ recurse(const char *path, void (*fn)(const char *))
                eprintf("opendir %s:", path);
        }
 
-       cwd = agetcwd();
-       if(chdir(path) == -1)
-               eprintf("chdir %s:", path);
-
        while((d = readdir(dp))) {
-               if(strcmp(d->d_name, ".") && strcmp(d->d_name, ".."))
-                       fn(d->d_name);
+               if (strcmp(d->d_name, ".") == 0 ||
+                   strcmp(d->d_name, "..") == 0)
+                       continue;
+               strlcpy(buf, path, sizeof(buf));
+               p = strrchr(buf, '