tree-wide: drop 'This file is part of systemd' blurb

[elogind.git] / src / basic / user-util.c

diff --git a/src/basic/user-util.c b/src/basic/user-util.c
index 3cde7a0f29b2799b44de8602ba76eb1977576cd8..b3e4ce503b1bcd758438886ca3c2c33ee16b046a 100644 (file)
--- a/src/basic/user-util.c
+++ b/src/basic/user-util.c
@@ -1,21 +1,6 @@
 /* SPDX-License-Identifier: LGPL-2.1+ */
 /***
-  This file is part of systemd.
-
   Copyright 2010 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 <alloca.h>
@@ -237,8 +222,7 @@ int get_user_creds_clean(
             (isempty(*shell) || is_nologin_shell(*shell)))
                 *shell = NULL;
 
-        if (home &&
-            (isempty(*home) || path_equal(*home, "/")))
+        if (home && empty_or_root(*home))
                 *home = NULL;
 
         return 0;
@@ -742,3 +726,111 @@ bool synthesize_nobody(void) {
         return cache;
 #endif
 }
+
+int putpwent_sane(const struct passwd *pw, FILE *stream) {
+        assert(pw);
+        assert(stream);
+
+        errno = 0;
+        if (putpwent(pw, stream) != 0)
+                return errno > 0 ? -errno : -EIO;
+
+        return 0;
+}
+
+int putspent_sane(const struct spwd *sp, FILE *stream) {
+        assert(sp);
+        assert(stream);
+
+        errno = 0;
+        if (putspent(sp, stream) != 0)
+                return errno > 0 ? -errno : -EIO;
+
+        return 0;
+}
+
+int putgrent_sane(const struct group *gr, FILE *stream) {
+        assert(gr);
+        assert(stream);
+
+        errno = 0;
+        if (putgrent(gr, stream) != 0)
+                return errno > 0 ? -errno : -EIO;
+
+        return 0;
+}
+
+#if ENABLE_GSHADOW
+int putsgent_sane(const struct sgrp *sg, FILE *stream) {
+        assert(sg);
+        assert(stream);
+
+        errno = 0;
+        if (putsgent(sg, stream) != 0)
+                return errno > 0 ? -errno : -EIO;
+
+        return 0;
+}
+#endif
+
+int fgetpwent_sane(FILE *stream, struct passwd **pw) {
+        struct passwd *p;
+
+        assert(pw);
+        assert(stream);
+
+        errno = 0;
+        p = fgetpwent(stream);
+        if (!p && errno != ENOENT)
+                return errno > 0 ? -errno : -EIO;
+
+        *pw = p;
+        return !!p;
+}
+
+int fgetspent_sane(FILE *stream, struct spwd **sp) {
+        struct spwd *s;
+
+        assert(sp);
+        assert(stream);
+
+        errno = 0;
+        s = fgetspent(stream);
+        if (!s && errno != ENOENT)
+                return errno > 0 ? -errno : -EIO;
+
+        *sp = s;
+        return !!s;
+}
+
+int fgetgrent_sane(FILE *stream, struct group **gr) {
+        struct group *g;
+
+        assert(gr);
+        assert(stream);
+
+        errno = 0;
+        g = fgetgrent(stream);
+        if (!g && errno != ENOENT)
+                return errno > 0 ? -errno : -EIO;
+
+        *gr = g;
+        return !!g;
+}
+
+#if ENABLE_GSHADOW
+int fgetsgent_sane(FILE *stream, struct sgrp **sg) {
+        struct sgrp *s;
+
+        assert(sg);
+        assert(stream);
+
+        errno = 0;
+        s = fgetsgent(stream);
+        if (!s && errno != ENOENT)
+                return errno > 0 ? -errno : -EIO;
+
+        *sg = s;
+        return !!s;
+}
+#endif