From c0c4bd7f34ceb641e9798db7e43d2f942cfd7c00 Mon Sep 17 00:00:00 2001
From: Kevin Day <thekevinday@gmail.com>
Date: Sun, 27 Feb 2022 17:22:06 -0600
Subject: [PATCH] Update: Relax the uid/gid requirements in f_file_role_change*
 functions.

Be less picky.
If both ID's are not available, then return F_data_not rather than an error.
---
 level_0/f_file/c/file.c | 12 +++++-------
 level_0/f_file/c/file.h |  6 ++----
 2 files changed, 7 insertions(+), 11 deletions(-)

diff --git a/level_0/f_file/c/file.c b/level_0/f_file/c/file.c
index 513d1a4..e5a60ac 100644
--- a/level_0/f_file/c/file.c
+++ b/level_0/f_file/c/file.c
@@ -1770,11 +1770,8 @@ extern "C" {
 
 #ifndef _di_f_file_role_change_
   f_status_t f_file_role_change(const f_string_static_t path, const uid_t uid, const gid_t gid, const bool dereference) {
-    #ifndef _di_level_0_parameter_checking_
-      if (uid == -1 && gid == -1) return F_status_set_error(F_parameter);
-    #endif // _di_level_0_parameter_checking_
 
-    if (!path.used) {
+    if (uid == -1 && gid == -1 || !path.used) {
       return F_data_not;
     }
 
@@ -1784,9 +1781,10 @@ extern "C" {
 
 #ifndef _di_f_file_role_change_at_
   f_status_t f_file_role_change_at(const int at_id, const f_string_static_t path, const uid_t uid, const gid_t gid, const int flag) {
-    #ifndef _di_level_0_parameter_checking_
-      if (uid == -1 && gid == -1) return F_status_set_error(F_parameter);
-    #endif // _di_level_0_parameter_checking_
+
+    if (uid == -1 && gid == -1) {
+      return F_data_not;
+    }
 
     return private_f_file_role_change_at(at_id, path, uid, gid, flag);
   }
diff --git a/level_0/f_file/c/file.h b/level_0/f_file/c/file.h
index 7075dc4..73c4b65 100644
--- a/level_0/f_file/c/file.h
+++ b/level_0/f_file/c/file.h
@@ -1648,8 +1648,6 @@ extern "C" {
 /**
  * Change owner and/or group of a given file at the specified path.
  *
- * At least one of uid or gid must not be -1.
- *
  * @param path
  *   The path file name.
  * @param uid
@@ -1664,6 +1662,7 @@ extern "C" {
  *
  * @return
  *   F_none on success.
+ *   F_data_not if either both uid and gid are -1 or path.used is 0.
  *
  *   F_access_denied (with error bit) on access denied.
  *   F_access_group (with error bit) if the current user does not have access to assign the specified group.
@@ -1689,8 +1688,6 @@ extern "C" {
 /**
  * Change owner and/or group of a given file at the specified path.
  *
- * At least one of uid or gid must not be -1.
- *
  * @param at_id
  *   The parent directory, as an open directory file descriptor, in which path is relative to.
  * @param path
@@ -1706,6 +1703,7 @@ extern "C" {
  *
  * @return
  *   F_none on success.
+ *   F_data_not if either both uid and gid are -1 or path.used is 0.
  *
  *   F_access_denied (with error bit) on access denied.
  *   F_access_group (with error bit) if the current user does not have access to assign the specified group.
-- 
1.8.3.1