int bd_hardlink(const char *pPathExistant, const char *pPathNouveauLien) {
int existingFileiNode = find_iNode(pPathExistant);
if (existingFileiNode == -1) {
return -1;
}
// We check if the directory that will contain the new hardlink exists
char newLinkPath[strlen(pPathNouveauLien)];
GetDirFromPath(pPathNouveauLien, newLinkPath);
int newLinkPathiNode = find_iNode(newLinkPath);
if (newLinkPathiNode == -1) {
return -1;
}
// We check that the new hardlink doesn't already exists
int newLinkExists = find_iNode(pPathNouveauLien);
if (newLinkExists != -1) {
return -2;
}
char linkName[strlen(pPathNouveauLien)];
GetFilenameFromPath(pPathNouveauLien, linkName);
int isSuccess =
create_hardlink(existingFileiNode, newLinkPathiNode, linkName);
return isSuccess;
}
static int
test_path_is_same (void)
{
char * const test_dir = create_test_dir (__FUNCTION__);
tr_error * err = NULL;
char * path1, * path2, * path3;
path1 = tr_buildPath (test_dir, "a", NULL);
path2 = tr_buildPath (test_dir, "b", NULL);
path3 = tr_buildPath (path2, "c", NULL);
/* Two non-existent files are not the same */
check (!tr_sys_path_is_same (path1, path1, &err));
check (err == NULL);
check (!tr_sys_path_is_same (path1, path2, &err));
check (err == NULL);
/* Two same files are the same */
libtest_create_file_with_string_contents (path1, "test");
check (tr_sys_path_is_same (path1, path1, &err));
check (err == NULL);
/* Existent and non-existent files are not the same */
check (!tr_sys_path_is_same (path1, path2, &err));
check (err == NULL);
check (!tr_sys_path_is_same (path2, path1, &err));
check (err == NULL);
/* Two separate files (even with same content) are not the same */
libtest_create_file_with_string_contents (path2, "test");
check (!tr_sys_path_is_same (path1, path2, &err));
check (err == NULL);
tr_sys_path_remove (path1, NULL);
/* Two same directories are the same */
tr_sys_dir_create (path1, 0, 0777, NULL);
check (tr_sys_path_is_same (path1, path1, &err));
check (err == NULL);
/* File and directory are not the same */
check (!tr_sys_path_is_same (path1, path2, &err));
check (err == NULL);
check (!tr_sys_path_is_same (path2, path1, &err));
check (err == NULL);
tr_sys_path_remove (path2, NULL);
/* Two separate directories are not the same */
tr_sys_dir_create (path2, 0, 0777, NULL);
check (!tr_sys_path_is_same (path1, path2, &err));
check (err == NULL);
tr_sys_path_remove (path1, NULL);
tr_sys_path_remove (path2, NULL);
if (create_symlink (path1, ".", true))
{
/* Directory and symlink pointing to it are the same */
check (tr_sys_path_is_same (path1, test_dir, &err));
check (err == NULL);
check (tr_sys_path_is_same (test_dir, path1, &err));
check (err == NULL);
/* Non-existent file and symlink are not the same */
check (!tr_sys_path_is_same (path1, path2, &err));
check (err == NULL);
check (!tr_sys_path_is_same (path2, path1, &err));
check (err == NULL);
/* Symlinks pointing to different directories are not the same */
create_symlink (path2, "..", true);
check (!tr_sys_path_is_same (path1, path2, &err));
check (err == NULL);
check (!tr_sys_path_is_same (path2, path1, &err));
check (err == NULL);
tr_sys_path_remove (path2, NULL);
/* Symlinks pointing to same directory are the same */
create_symlink (path2, ".", true);
check (tr_sys_path_is_same (path1, path2, &err));
check (err == NULL);
tr_sys_path_remove (path2, NULL);
/* Directory and symlink pointing to another directory are not the same */
tr_sys_dir_create (path2, 0, 0777, NULL);
check (!tr_sys_path_is_same (path1, path2, &err));
check (err == NULL);
check (!tr_sys_path_is_same (path2, path1, &err));
check (err == NULL);
/* Symlinks pointing to same directory are the same */
create_symlink (path3, "..", true);
check (tr_sys_path_is_same (path1, path3, &err));
check (err == NULL);
tr_sys_path_remove (path1, NULL);
/* File and symlink pointing to directory are not the same */
libtest_create_file_with_string_contents (path1, "test");
check (!tr_sys_path_is_same (path1, path3, &err));
check (err == NULL);
check (!tr_sys_path_is_same (path3, path1, &err));
check (err == NULL);
tr_sys_path_remove (path3, NULL);
/* File and symlink pointing to same file are the same */
create_symlink (path3, path1, false);
check (tr_sys_path_is_same (path1, path3, &err));
check (err == NULL);
check (tr_sys_path_is_same (path3, path1, &err));
check (err == NULL);
/* Symlinks pointing to non-existent files are not the same */
tr_sys_path_remove (path1, NULL);
create_symlink (path1, "missing", false);
tr_sys_path_remove (path3, NULL);
create_symlink (path3, "missing", false);
check (!tr_sys_path_is_same (path1, path3, &err));
check (err == NULL);
check (!tr_sys_path_is_same (path3, path1, &err));
check (err == NULL);
tr_sys_path_remove (path3, NULL);
/* Symlinks pointing to same non-existent file are not the same */
create_symlink (path3, ".." NATIVE_PATH_SEP "missing", false);
check (!tr_sys_path_is_same (path1, path3, &err));
check (err == NULL);
check (!tr_sys_path_is_same (path3, path1, &err));
check (err == NULL);
/* Non-existent file and symlink pointing to non-existent file are not the same */
tr_sys_path_remove (path3, NULL);
check (!tr_sys_path_is_same (path1, path3, &err));
check (err == NULL);
check (!tr_sys_path_is_same (path3, path1, &err));
check (err == NULL);
tr_sys_path_remove (path2, NULL);
tr_sys_path_remove (path1, NULL);
}
else
{
fprintf (stderr, "WARNING: [%s] unable to run symlink tests\n", __FUNCTION__);
}
tr_free (path3);
path3 = tr_buildPath (test_dir, "c", NULL);
libtest_create_file_with_string_contents (path1, "test");
if (create_hardlink (path2, path1))
{
/* File and hardlink to it are the same */
check (tr_sys_path_is_same (path1, path2, &err));
check (err == NULL);
/* Two hardlinks to the same file are the same */
create_hardlink (path3, path2);
check (tr_sys_path_is_same (path2, path3, &err));
check (err == NULL);
check (tr_sys_path_is_same (path1, path3, &err));
check (err == NULL);
tr_sys_path_remove (path2, NULL);
check (tr_sys_path_is_same (path1, path3, &err));
check (err == NULL);
tr_sys_path_remove (path3, NULL);
/* File and hardlink to another file are not the same */
libtest_create_file_with_string_contents (path3, "test");
create_hardlink (path2, path3);
check (!tr_sys_path_is_same (path1, path2, &err));
check (err == NULL);
check (!tr_sys_path_is_same (path2, path1, &err));
check (err == NULL);
tr_sys_path_remove (path3, NULL);
tr_sys_path_remove (path2, NULL);
}
else
{
fprintf (stderr, "WARNING: [%s] unable to run hardlink tests\n", __FUNCTION__);
}
if (create_symlink (path2, path1, false) && create_hardlink (path3, path1))
{
check (tr_sys_path_is_same (path2, path3, &err));
check (err == NULL);
}
else
{
fprintf (stderr, "WARNING: [%s] unable to run combined symlink and hardlink tests\n", __FUNCTION__);
}
tr_sys_path_remove (path3, NULL);
tr_sys_path_remove (path2, NULL);
tr_sys_path_remove (path1, NULL);
tr_free (path3);
tr_free (path2);
tr_free (path1);
tr_free (test_dir);
return 0;
}
