Isolation of udev code from remaining systemd

This commit is a first attempt to isolate the udev code from the
remaining code base.  It intentionally does not modify any files
but purely delete files which, on a first examination, appear to
not be needed.  This is a sweeping commit which may easily have
missed needed code.  Files can be retrieved by doing a checkout
from the previous commit:

 git checkout 2944f347d0 -- <filename>

1 files changed, 0 insertions, 110 deletions

diff --git a/src/shared/replace-var.c b/src/shared/replace-var.c
deleted file mode 100644
index e11c57a43d..0000000000
--- a/src/shared/replace-var.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
-  This file is part of systemd.
-
-  Copyright 2012 Lennart Poettering
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <string.h>
-
-#include "macro.h"
-#include "util.h"
-#include "replace-var.h"
-
-/*
- * Generic infrastructure for replacing @FOO@ style variables in
- * strings. Will call a callback for each replacement.
- */
-
-static int get_variable(const char *b, char **r) {
-        size_t k;
-        char *t;
-
-        assert(b);
-        assert(r);
-
-        if (*b != '@')
-                return 0;
-
-        k = strspn(b + 1, "ABCDEFGHIJKLMNOPQRSTUVWXYZ_");
-        if (k <= 0 || b[k+1] != '@')
-                return 0;
-
-        t = strndup(b + 1, k);
-        if (!t)
-                return -ENOMEM;
-
-        *r = t;
-        return 1;
-}
-
-char *replace_var(const char *text, char *(*lookup)(const char *variable, void*userdata), void *userdata) {
-        char *r, *t;
-        const char *f;
-        size_t l;
-
-        assert(text);
-        assert(lookup);
-
-        l = strlen(text);
-        r = new(char, l+1);
-        if (!r)
-                return NULL;
-
-        f = text;
-        t = r;
-        while (*f) {
-                _cleanup_free_ char *v = NULL, *n = NULL;
-                char *a;
-                int k;
-                size_t skip, d, nl;
-
-                k = get_variable(f, &v);
-                if (k < 0)
-                        goto oom;
-                if (k == 0) {
-                        *(t++) = *(f++);
-                        continue;
-                }
-
-                n = lookup(v, userdata);
-                if (!n)
-                        goto oom;
-
-                skip = strlen(v) + 2;
-
-                d = t - r;
-                nl = l - skip + strlen(n);
-                a = realloc(r, nl + 1);
-                if (!a)
-                        goto oom;
-
-                l = nl;
-                r = a;
-                t = r + d;
-
-                t = stpcpy(t, n);
-                f += skip;
-        }
-
-        *t = 0;
-        return r;
-
-oom:
-        free(r);
-        return NULL;
-}