From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Fri, 11 Oct 2013 23:33:48 +0000 (-0400)
Subject: Introduce _cleanup_fdset_free_
X-Git-Tag: v209~1903
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=51d122af23533b0b8318911c4fc8b128ad8eafb7;ds=inline

Introduce _cleanup_fdset_free_
---

diff --git a/src/core/manager.c b/src/core/manager.c
index 58dacdc8b..b45a2e11a 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -236,7 +236,7 @@ static void draw_cylon(char buffer[], size_t buflen, unsigned width, unsigned po
                 *p++ = '*';
                 if (pos < width-1)
                         p = mempset(p, ' ', width-1-pos);
-                p = stpcpy(p, ANSI_HIGHLIGHT_OFF);
+                strcpy(p, ANSI_HIGHLIGHT_OFF);
         }
 }
 
@@ -257,6 +257,7 @@ static void manager_print_jobs_in_progress(Manager *m) {
         /* m->n_running_jobs must be consistent with the contents of m->jobs,
          * so the above loop must have succeeded in finding j. */
         assert(counter == print_nr + 1);
+        assert(j);
 
         cylon_pos = m->jobs_in_progress_iteration % 14;
         if (cylon_pos >= 8)
@@ -2317,8 +2318,8 @@ int manager_distribute_fds(Manager *m, FDSet *fds) {
 
 int manager_reload(Manager *m) {
         int r, q;
-        FILE *f;
-        FDSet *fds;
+        _cleanup_fclose_ FILE *f = NULL;
+        _cleanup_fdset_free_ FDSet *fds = NULL;
 
         assert(m);
 
@@ -2332,20 +2333,18 @@ int manager_reload(Manager *m) {
         fds = fdset_new();
         if (!fds) {
                 m->n_reloading --;
-                r = -ENOMEM;
-                goto finish;
+                return -ENOMEM;
         }
 
         r = manager_serialize(m, f, fds, false);
         if (r < 0) {
                 m->n_reloading --;
-                goto finish;
+                return r;
         }
 
         if (fseeko(f, 0, SEEK_SET) < 0) {
                 m->n_reloading --;
-                r = -errno;
-                goto finish;
+                return -errno;
         }
 
         /* From here on there is no way back. */
@@ -2389,13 +2388,6 @@ int manager_reload(Manager *m) {
 
         m->send_reloading_done = true;
 
-finish:
-        if (f)
-                fclose(f);
-
-        if (fds)
-                fdset_free(fds);
-
         return r;
 }
 
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index fc4a8a36c..15e48739b 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -1223,7 +1223,7 @@ int main(int argc, char *argv[]) {
         bool saved_attr_valid = false;
         struct winsize ws;
         int kmsg_socket_pair[2] = { -1, -1 };
-        FDSet *fds = NULL;
+        _cleanup_fdset_free_ FDSet *fds = NULL;
 
         log_parse_environment();
         log_open();
@@ -1725,7 +1725,5 @@ finish:
         free(arg_directory);
         free(arg_machine);
 
-        fdset_free(fds);
-
         return r;
 }
diff --git a/src/shared/fdset.h b/src/shared/fdset.h
index a7bd5e2b4..1a2600518 100644
--- a/src/shared/fdset.h
+++ b/src/shared/fdset.h
@@ -22,6 +22,7 @@
 ***/
 
 #include "set.h"
+#include "util.h"
 
 typedef struct FDSet FDSet;
 
@@ -47,3 +48,9 @@ int fdset_iterate(FDSet *s, Iterator *i);
 
 #define FDSET_FOREACH(fd, fds, i) \
         for ((i) = ITERATOR_FIRST, (fd) = fdset_iterate((fds), &(i)); (fd) >= 0; (fd) = fdset_iterate((fds), &(i)))
+
+static inline void fdset_freep(FDSet **fds) {
+        if (*fds)
+                fdset_free(*fds);
+}
+#define _cleanup_fdset_free_ _cleanup_(fdset_freep)