[Toybox] [HACK] hackfixing cp for compilation

[Roy Tam]

It is broken for months, so I hackfixed it.

diff -U8 toys/posix/cp.c toys/posix/cp.c_hf
--- toys/posix/cp.c     2012-10-27 10:15:31.000000000 +0800
+++ toys/posix/cp.c_hf  2012-10-29 11:41:01.000000000 +0800
@@ -171,37 +171,37 @@

        // Loop through sources

        for (i=0; i<toys.optc; i++) {
                char *dst, *src = toys.optargs[i];

                // Skip src==dest (TODO check inodes to catch "cp blah ./blah").

-               if (!strncmp(src, TT.destname)) continue;
+               if (!strcmp(src, TT.destname)) continue;

                // Skip nonexistent sources.

                TT.keep_symlinks = toys.optflags & (FLAG_d|FLAG_a);
                if (TT.keep_symlinks ? lstat(src, &st) : stat(src, &st)
-                       || (st.st_dev = dst.st_dev && st.st_ino == dst.dst_ino))
+                       /*|| (st.st_dev = dst.st_dev && st.st_ino ==
dst.dst_ino)*/)
                {
 objection:
                        perror_msg("bad '%s'", src);
                        toys.exitval = 1;
                        continue;
                }

                // Copy directory or file.

                if (TT.destisdir) {
                        char *s;

                        // Catch "cp -R .. ." and friends that would
go on forever
-                       if (dpath && (s = realpath(src, NULL)) {
+                       if (dpath && (s = realpath(src, NULL))) {
                                int i = strlen(s);
                                i = (!strncmp(s, dst, i) && (!s[i] ||
s[i]=='/'));
                                free(s);

                                if (i) goto objection;
                        }

                        // Create destination filename within directory