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

[elogind.git] / src / dbus1-generator / dbus1-generator.c

diff --git a/src/dbus1-generator/dbus1-generator.c b/src/dbus1-generator/dbus1-generator.c
index 5a26f388695985f25a4c9b340ebcc43594f86811..2e08af2df292e5037caeb81046da3cf2f74ee144 100644 (file)
--- a/src/dbus1-generator/dbus1-generator.c
+++ b/src/dbus1-generator/dbus1-generator.c
@@ -58,10 +58,8 @@ static int create_dbus_files(
                         return log_oom();
 
                 f = fopen(a, "wxe");
-                if (!f) {
-                        log_error_errno(errno, "Failed to create %s: %m", a);
-                        return -errno;
-                }
+                if (!f)
+                        return log_error_errno(errno, "Failed to create %s: %m", a);
 
                 fprintf(f,
                         "# Automatically generated by systemd-dbus1-generator\n\n"
@@ -116,10 +114,8 @@ static int create_dbus_files(
                 return log_oom();
 
         f = fopen(b, "wxe");
-        if (!f) {
-                log_error_errno(errno, "Failed to create %s: %m", b);
-                return -errno;
-        }
+        if (!f)
+                return log_error_errno(errno, "Failed to create %s: %m", b);
 
         fprintf(f,
                 "# Automatically generated by systemd-dbus1-generator\n\n"
@@ -145,10 +141,8 @@ static int create_dbus_files(
                 return log_oom();
 
         mkdir_parents_label(lnk, 0755);
-        if (symlink(b, lnk)) {
-                log_error_errno(errno, "Failed to create symlink %s: %m", lnk);
-                return -errno;
-        }
+        if (symlink(b, lnk))
+                return log_error_errno(errno, "Failed to create symlink %s: %m", lnk);
 
         return 0;
 }
@@ -161,6 +155,7 @@ static int add_dbus(const char *path, const char *fname, const char *type) {
                 { "D-BUS Service", "Exec", config_parse_string, 0, &exec },
                 { "D-BUS Service", "User", config_parse_string, 0, &user },
                 { "D-BUS Service", "SystemdService", config_parse_string, 0, &service },
+                { },
         };
 
         char *p;
@@ -169,7 +164,7 @@ static int add_dbus(const char *path, const char *fname, const char *type) {
         assert(path);
         assert(fname);
 
-        p = strappenda(path, "/", fname);
+        p = strjoina(path, "/", fname);
         r = config_parse(NULL, p, NULL,
                          "D-BUS Service\0",
                          config_item_table_lookup, table,
@@ -255,14 +250,12 @@ fail:
 static int link_busnames_target(const char *units) {
         const char *f, *t;
 
-        f = strappenda(units, "/" SPECIAL_BUSNAMES_TARGET);
-        t = strappenda(arg_dest, "/" SPECIAL_BASIC_TARGET ".wants/" SPECIAL_BUSNAMES_TARGET);
+        f = strjoina(units, "/" SPECIAL_BUSNAMES_TARGET);
+        t = strjoina(arg_dest, "/" SPECIAL_BASIC_TARGET ".wants/" SPECIAL_BUSNAMES_TARGET);
 
         mkdir_parents_label(t, 0755);
-        if (symlink(f, t) < 0) {
-                log_error_errno(errno, "Failed to create symlink %s: %m", t);
-                return -errno;
-        }
+        if (symlink(f, t) < 0)
+                return log_error_errno(errno, "Failed to create symlink %s: %m", t);
 
         return 0;
 }
@@ -270,27 +263,21 @@ static int link_busnames_target(const char *units) {
 static int link_compatibility(const char *units) {
         const char *f, *t;
 
-        f = strappenda(units, "/systemd-bus-proxyd.socket");
-        t = strappenda(arg_dest, "/" SPECIAL_DBUS_SOCKET);
+        f = strjoina(units, "/systemd-bus-proxyd.socket");
+        t = strjoina(arg_dest, "/" SPECIAL_DBUS_SOCKET);
         mkdir_parents_label(t, 0755);
-        if (symlink(f, t) < 0) {
-                log_error_errno(errno, "Failed to create symlink %s: %m", t);
-                return -errno;
-        }
+        if (symlink(f, t) < 0)
+                return log_error_errno(errno, "Failed to create symlink %s: %m", t);
 
-        f = strappenda(units, "/systemd-bus-proxyd.socket");
-        t = strappenda(arg_dest, "/" SPECIAL_SOCKETS_TARGET ".wants/systemd-bus-proxyd.socket");
+        f = strjoina(units, "/systemd-bus-proxyd.socket");
+        t = strjoina(arg_dest, "/" SPECIAL_SOCKETS_TARGET ".wants/systemd-bus-proxyd.socket");
         mkdir_parents_label(t, 0755);
-        if (symlink(f, t) < 0) {
-                log_error_errno(errno, "Failed to create symlink %s: %m", t);
-                return -errno;
-        }
+        if (symlink(f, t) < 0)
+                return log_error_errno(errno, "Failed to create symlink %s: %m", t);
 
-        t = strappenda(arg_dest, "/" SPECIAL_DBUS_SERVICE);
-        if (symlink("/dev/null", t) < 0) {
-                log_error_errno(errno, "Failed to mask %s: %m", t);
-                return -errno;
-        }
+        t = strjoina(arg_dest, "/" SPECIAL_DBUS_SERVICE);
+        if (symlink("/dev/null", t) < 0)
+                return log_error_errno(errno, "Failed to mask %s: %m", t);
 
         return 0;
 }