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authorDavid Herrmann <dh.herrmann@gmail.com>2015-07-31 19:56:38 +0200
committerDavid Herrmann <dh.herrmann@gmail.com>2015-07-31 19:56:38 +0200
commit97b11eedff9d2e17101ad453caf9e48b73246719 (patch)
treeadd86c36a039f2cbeb8232908c7a0cb3ca784ea5 /src/core
parentb2a0ac5e5b29c73ca7c0da23369a4769d5a91ddd (diff)
tree-wide: introduce mfree()
Pretty trivial helper which wraps free() but returns NULL, so we can simplify this: free(foobar); foobar = NULL; to this: foobar = mfree(foobar);
Diffstat (limited to 'src/core')
-rw-r--r--src/core/load-fragment.c8
-rw-r--r--src/core/main.c6
-rw-r--r--src/core/snapshot.c3
3 files changed, 5 insertions, 12 deletions
diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c
index a48cb4029a..ba73cc410e 100644
--- a/src/core/load-fragment.c
+++ b/src/core/load-fragment.c
@@ -3508,9 +3508,7 @@ static int load_from_path(Unit *u, const char *path) {
r = open_follow(&filename, &f, symlink_names, &id);
if (r < 0) {
- free(filename);
- filename = NULL;
-
+ filename = mfree(filename);
if (r != -ENOENT)
return r;
}
@@ -3534,9 +3532,7 @@ static int load_from_path(Unit *u, const char *path) {
r = open_follow(&filename, &f, symlink_names, &id);
if (r < 0) {
- free(filename);
- filename = NULL;
-
+ filename = mfree(filename);
if (r != -ENOENT)
return r;
diff --git a/src/core/main.c b/src/core/main.c
index 6ae8b51544..a66fb18418 100644
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -1844,13 +1844,11 @@ finish:
arg_default_rlimit[j] = NULL;
}
- free(arg_default_unit);
- arg_default_unit = NULL;
+ arg_default_unit = mfree(arg_default_unit);
free_join_controllers();
- strv_free(arg_default_environment);
- arg_default_environment = NULL;
+ arg_default_environment = strv_free(arg_default_environment);
set_free(arg_syscall_archs);
arg_syscall_archs = NULL;
diff --git a/src/core/snapshot.c b/src/core/snapshot.c
index 1e634b9bc1..9518e21f36 100644
--- a/src/core/snapshot.c
+++ b/src/core/snapshot.c
@@ -217,8 +217,7 @@ int snapshot_create(Manager *m, const char *name, bool cleanup, sd_bus_error *e,
break;
}
- free(n);
- n = NULL;
+ n = mfree(n);
}
}