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

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

diff --git a/src/getty-generator/getty-generator.c b/src/getty-generator/getty-generator.c
index 6a4aa2c1d9a133d793b06d5d1c761ffd44d893b2..f8f5fb30c2433cae500cebb0b9164b19f0c4c230 100644 (file)
--- a/src/getty-generator/getty-generator.c
+++ b/src/getty-generator/getty-generator.c
@@ -35,19 +35,14 @@
 static const char *arg_dest = "/tmp";
 
 static int add_symlink(const char *fservice, const char *tservice) {
-        _cleanup_free_ char *from = NULL, *to = NULL;
+        char *from, *to;
         int r;
 
         assert(fservice);
         assert(tservice);
 
-        from = strappend(SYSTEM_DATA_UNIT_PATH "/", fservice);
-        if (!from)
-                return log_oom();
-
-        to = strjoin(arg_dest,"/getty.target.wants/", tservice, NULL);
-        if (!to)
-                return log_oom();
+        from = strjoina(SYSTEM_DATA_UNIT_PATH "/", fservice);
+        to = strjoina(arg_dest, "/getty.target.wants/", tservice);
 
         mkdir_parents_label(to, 0755);
 
@@ -57,7 +52,7 @@ static int add_symlink(const char *fservice, const char *tservice) {
                         /* In case console=hvc0 is passed this will very likely result in EEXIST */
                         return 0;
                 else {
-                        log_error("Failed to create symlink %s: %m", to);
+                        log_error_errno(errno, "Failed to create symlink %s: %m", to);
                         return -errno;
                 }
         }
@@ -72,7 +67,7 @@ static int add_serial_getty(const char *tty) {
 
         log_debug("Automatically adding serial getty for /dev/%s.", tty);
 
-        n = unit_name_replace_instance("serial-getty@.service", tty);
+        n = unit_name_from_path_instance("serial-getty", tty, ".service");
         if (!n)
                 return log_oom();
 
@@ -86,7 +81,7 @@ static int add_container_getty(const char *tty) {
 
         log_debug("Automatically adding container getty for /dev/pts/%s.", tty);
 
-        n = unit_name_replace_instance("container-getty@.service", tty);
+        n = unit_name_from_path_instance("container-getty", tty, ".service");
         if (!n)
                 return log_oom();
 
@@ -102,7 +97,7 @@ static int verify_tty(const char *name) {
          * friends. Let's check that and open the device and run
          * isatty() on it. */
 
-        p = strappenda("/dev/", name);
+        p = strjoina("/dev/", name);
 
         /* O_NONBLOCK is essential here, to make sure we don't wait
          * for DCD */
@@ -159,14 +154,14 @@ int main(int argc, char *argv[]) {
 
                 r = getenv_for_pid(1, "container_ttys", &container_ttys);
                 if (r > 0) {
-                        char *w, *state;
+                        const char *word, *state;
                         size_t l;
 
-                        FOREACH_WORD(w, l, container_ttys, state) {
+                        FOREACH_WORD(word, l, container_ttys, state) {
                                 const char *t;
                                 char tty[l + 1];
 
-                                memcpy(tty, w, l);
+                                memcpy(tty, word, l);
                                 tty[l] = 0;
 
                                 /* First strip off /dev/ if it is specified */
@@ -189,15 +184,15 @@ int main(int argc, char *argv[]) {
         }
 
         if (read_one_line_file("/sys/class/tty/console/active", &active) >= 0) {
-                char *w, *state;
+                const char *word, *state;
                 size_t l;
 
                 /* Automatically add in a serial getty on all active
                  * kernel consoles */
-                FOREACH_WORD(w, l, active, state) {
+                FOREACH_WORD(word, l, active, state) {
                         _cleanup_free_ char *tty = NULL;
 
-                        tty = strndup(w, l);
+                        tty = strndup(word, l);
                         if (!tty) {
                                 log_oom();
                                 return EXIT_FAILURE;
@@ -221,14 +216,9 @@ int main(int argc, char *argv[]) {
         /* Automatically add in a serial getty on the first
          * virtualizer console */
         NULSTR_FOREACH(j, virtualization_consoles) {
-                _cleanup_free_ char *p = NULL;
-
-                p = strappend("/sys/class/tty/", j);
-                if (!p) {
-                        log_oom();
-                        return EXIT_FAILURE;
-                }
+                char *p;
 
+                p = strjoina("/sys/class/tty/", j);
                 if (access(p, F_OK) < 0)
                         continue;