util: rework strappenda(), and rename it strjoina()

After all it is now much more like strjoin() than strappend(). At the
same time, add support for NULL sentinels, even if they are normally not
necessary.

1 files changed, 5 insertions, 5 deletions

diff --git a/src/journal/sd-journal.c b/src/journal/sd-journal.c
index 9dea5470b..ecf47fda3 100644
--- a/src/journal/sd-journal.c
+++ b/src/journal/sd-journal.c
@@ -1155,9 +1155,9 @@ static void check_network(sd_journal *j, int fd) {
 static bool file_has_type_prefix(const char *prefix, const char *filename) {
         const char *full, *tilded, *atted;
 
-        full = strappenda(prefix, ".journal");
-        tilded = strappenda(full, "~");
-        atted = strappenda(prefix, "@");
+        full = strjoina(prefix, ".journal");
+        tilded = strjoina(full, "~");
+        atted = strjoina(prefix, "@");
 
         return streq(filename, full) ||
                streq(filename, tilded) ||
@@ -1399,7 +1399,7 @@ static int add_root_directory(sd_journal *j, const char *p) {
                 return -EINVAL;
 
         if (j->prefix)
-                p = strappenda(j->prefix, p);
+                p = strjoina(j->prefix, p);
 
         d = opendir(p);
         if (!d)
@@ -1643,7 +1643,7 @@ _public_ int sd_journal_open_container(sd_journal **ret, const char *machine, in
         assert_return((flags & ~(SD_JOURNAL_LOCAL_ONLY|SD_JOURNAL_SYSTEM)) == 0, -EINVAL);
         assert_return(machine_name_is_valid(machine), -EINVAL);
 
-        p = strappenda("/run/systemd/machines/", machine);
+        p = strjoina("/run/systemd/machines/", machine);
         r = parse_env_file(p, NEWLINE, "ROOT", &root, "CLASS", &class, NULL);
         if (r == -ENOENT)
                 return -EHOSTDOWN;