From 6f3bf5e9e0ba04df7ffc85b6a21d296c2902edcb Mon Sep 17 00:00:00 2001

From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>

Date: Fri, 12 Aug 2016 23:50:58 -0400

Subject: [PATCH] shared/install: remove unused paramater and add more comments

(cherry picked from commit ff56349d5a83f2202ed331f232f5d73467db482c)

---

 src/shared/install.c | 18 ++++++++++++------

 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/src/shared/install.c b/src/shared/install.c

index 2d9306058d..5e0f9c5d0c 100644

--- a/src/shared/install.c

+++ b/src/shared/install.c

@@ -903,6 +903,10 @@ static int install_info_may_process(

         return 0;

 }

+/**

+ * Adds a new UnitFileInstallInfo entry under name in the InstallContext.will_process

+ * hashmap, or retrieves the existing one if already present.

+ */

 static int install_info_add(

                 InstallContext *c,

                 const char *name,

@@ -1334,9 +1338,8 @@ static int install_info_follow(

 }

 /**

- * Search for the unit file. If the unit name is a symlink,

- * follow the symlink to the target, maybe more than once.

- * Propagate the instance name if present.

+ * Search for the unit file. If the unit name is a symlink, follow the symlink to the

+ * target, maybe more than once. Propagate the instance name if present.

  */

 static int install_info_traverse(

                 UnitFileScope scope,

@@ -1421,6 +1424,10 @@ static int install_info_traverse(

         return 0;

 }

+/**

+ * Call install_info_add() with name_or_path as the path (if name_or_path starts with "/")

+ * or the name (otherwise). root_dir is prepended to the path.

+ */

 static int install_info_add_auto(

                 InstallContext *c,

                 const LookupPaths *paths,

@@ -2685,7 +2692,6 @@ static int preset_prepare_one(

                 InstallContext *plus,

                 InstallContext *minus,

                 LookupPaths *paths,

-                UnitFilePresetMode mode,

                 const char *name,

                 Presets presets,

                 UnitFileChange **changes,

@@ -2748,7 +2754,7 @@ int unit_file_preset(

                 return r;

         STRV_FOREACH(i, files) {

-                r = preset_prepare_one(scope, &plus, &minus, &paths, mode, *i, presets, changes, n_changes);

+                r = preset_prepare_one(scope, &plus, &minus, &paths, *i, presets, changes, n_changes);

                 if (r < 0)

                         return r;

         }

@@ -2809,7 +2815,7 @@ int unit_file_preset_all(

                                 continue;

                         /* we don't pass changes[] in, because we want to handle errors on our own */

-                        r = preset_prepare_one(scope, &plus, &minus, &paths, mode, de->d_name, presets, NULL, 0);

+                        r = preset_prepare_one(scope, &plus, &minus, &paths, de->d_name, presets, NULL, 0);

                         if (r == -ERFKILL)

                                 r = unit_file_changes_add(changes, n_changes,

                                                           UNIT_FILE_IS_MASKED, de->d_name, NULL);