63c372cb9d
After all it is now much more like strjoin() than strappend(). At the same time, add support for NULL sentinels, even if they are normally not necessary.
142 lines
4.5 KiB
C
142 lines
4.5 KiB
C
/***
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This file is part of systemd
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Copyright 2014 Ronny Chevalier
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <unistd.h>
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#include "copy.h"
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#include "path-util.h"
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#include "fileio.h"
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#include "mkdir.h"
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#include "strv.h"
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#include "macro.h"
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#include "util.h"
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static void test_copy_file(void) {
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_cleanup_free_ char *buf = NULL;
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char fn[] = "/tmp/test-copy_file.XXXXXX";
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char fn_copy[] = "/tmp/test-copy_file.XXXXXX";
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size_t sz = 0;
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int fd;
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fd = mkostemp_safe(fn, O_RDWR|O_CLOEXEC);
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assert_se(fd >= 0);
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close(fd);
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fd = mkostemp_safe(fn_copy, O_RDWR|O_CLOEXEC);
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assert_se(fd >= 0);
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close(fd);
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assert_se(write_string_file(fn, "foo bar bar bar foo") == 0);
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assert_se(copy_file(fn, fn_copy, 0, 0644, 0) == 0);
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assert_se(read_full_file(fn_copy, &buf, &sz) == 0);
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assert_se(streq(buf, "foo bar bar bar foo\n"));
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assert_se(sz == 20);
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unlink(fn);
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unlink(fn_copy);
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}
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static void test_copy_file_fd(void) {
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char in_fn[] = "/tmp/test-copy-file-fd-XXXXXX";
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char out_fn[] = "/tmp/test-copy-file-fd-XXXXXX";
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_cleanup_close_ int in_fd = -1, out_fd = -1;
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char text[] = "boohoo\nfoo\n\tbar\n";
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char buf[64] = {0};
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in_fd = mkostemp_safe(in_fn, O_RDWR);
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assert_se(in_fd >= 0);
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out_fd = mkostemp_safe(out_fn, O_RDWR);
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assert_se(out_fd >= 0);
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assert_se(write_string_file(in_fn, text) == 0);
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assert_se(copy_file_fd("/a/file/which/does/not/exist/i/guess", out_fd, true) < 0);
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assert_se(copy_file_fd(in_fn, out_fd, true) >= 0);
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assert_se(lseek(out_fd, SEEK_SET, 0) == 0);
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assert_se(read(out_fd, buf, sizeof(buf)) == sizeof(text) - 1);
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assert_se(streq(buf, text));
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unlink(in_fn);
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unlink(out_fn);
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}
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static void test_copy_tree(void) {
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char original_dir[] = "/tmp/test-copy_tree/";
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char copy_dir[] = "/tmp/test-copy_tree-copy/";
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char **files = STRV_MAKE("file", "dir1/file", "dir1/dir2/file", "dir1/dir2/dir3/dir4/dir5/file");
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char **links = STRV_MAKE("link", "file",
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"link2", "dir1/file");
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char **p, **link;
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rm_rf_dangerous(copy_dir, false, true, false);
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rm_rf_dangerous(original_dir, false, true, false);
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STRV_FOREACH(p, files) {
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char *f = strjoina(original_dir, *p);
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assert_se(mkdir_parents(f, 0755) >= 0);
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assert_se(write_string_file(f, "file") == 0);
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}
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STRV_FOREACH_PAIR(link, p, links) {
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char *f = strjoina(original_dir, *p);
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char *l = strjoina(original_dir, *link);
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assert_se(mkdir_parents(l, 0755) >= 0);
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assert_se(symlink(f, l) == 0);
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}
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assert_se(copy_tree(original_dir, copy_dir, true) == 0);
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STRV_FOREACH(p, files) {
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_cleanup_free_ char *buf = NULL;
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size_t sz = 0;
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char *f = strjoina(copy_dir, *p);
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assert_se(access(f, F_OK) == 0);
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assert_se(read_full_file(f, &buf, &sz) == 0);
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assert_se(streq(buf, "file\n"));
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}
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STRV_FOREACH_PAIR(link, p, links) {
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_cleanup_free_ char *target = NULL;
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char *f = strjoina(original_dir, *p);
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char *l = strjoina(copy_dir, *link);
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assert_se(readlink_and_canonicalize(l, &target) == 0);
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assert_se(path_equal(f, target));
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}
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assert_se(copy_tree(original_dir, copy_dir, false) < 0);
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assert_se(copy_tree("/tmp/inexistent/foo/bar/fsdoi", copy_dir, false) < 0);
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rm_rf_dangerous(copy_dir, false, true, false);
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rm_rf_dangerous(original_dir, false, true, false);
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}
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int main(int argc, char *argv[]) {
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test_copy_file();
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test_copy_file_fd();
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test_copy_tree();
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return 0;
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}
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