tree-wide: use TAKE_PTR() and TAKE_FD() macros

src/basic/bpf-program.c

@@ -42,8 +42,8 @@ int bpf_program_new(uint32_t prog_type, BPFProgram **ret) {
         p->prog_type = prog_type;
         p->kernel_fd = -1;
 
-        *ret = p;
-        p = NULL;
+        *ret = TAKE_PTR(p);
+
         return 0;
 }
 

src/basic/btrfs-util.c

@@ -1841,8 +1841,7 @@ int btrfs_qgroup_find_parents(int fd, uint64_t qgroupid, uint64_t **ret) {
                 return 0;
         }
 
-        *ret = items;
-        items = NULL;
+        *ret = TAKE_PTR(items);
 
         return (int) n_items;
 }

src/basic/cgroup-util.c

@@ -2448,8 +2448,7 @@ int cg_kernel_controllers(Set **ret) {
                         return r;
         }
 
-        *ret = controllers;
-        controllers = NULL;
+        *ret = TAKE_PTR(controllers);
 
         return 0;
 }

src/basic/cpu-set-util.c

@@ -111,10 +111,8 @@ int parse_cpu_set_internal(
         }
 
         /* On success, sets *cpu_set and returns ncpus for the system. */
-        if (c) {
-                *cpu_set = c;
-                c = NULL;
-        }
+        if (c)
+                *cpu_set = TAKE_PTR(c);
 
         return (int) ncpus;
 }

src/basic/fileio.c

@@ -1606,8 +1606,7 @@ int read_line(FILE *f, size_t limit, char **ret) {
         if (ret) {
                 buffer[n] = 0;
 
-                *ret = buffer;
-                buffer = NULL;
+                *ret = TAKE_PTR(buffer);
         }
 
         return (int) count;

src/basic/hexdecoct.c

@@ -125,8 +125,7 @@ int unhexmem(const char *p, size_t l, void **mem, size_t *len) {
 
         *z = 0;
 
-        *mem = r;
-        r = NULL;
+        *mem = TAKE_PTR(r);
         *len = (l + 1) / 2;
 
         return 0;
@@ -482,8 +481,7 @@ int unbase32hexmem(const char *p, size_t l, bool padding, void **mem, size_t *_l
 
         *z = 0;
 
-        *mem = r;
-        r = NULL;
+        *mem = TAKE_PTR(r);
         *_len = len;
 
         return 0;
@@ -751,8 +749,7 @@ int unbase64mem(const char *p, size_t l, void **ret, size_t *ret_size) {
         if (ret_size)
                 *ret_size = (size_t) (z - buf);
 
-        *ret = buf;
-        buf = NULL;
+        *ret = TAKE_PTR(buf);
 
         return 0;
 }

src/basic/khash.c

@@ -216,8 +216,7 @@ int khash_dup(khash *h, khash **ret) {
         if (copy->fd < 0)
                 return -errno;
 
-        *ret = copy;
-        copy = NULL;
+        *ret = TAKE_PTR(copy);
 
         return 0;
 }

src/basic/locale-util.c

@@ -196,8 +196,7 @@ int get_locales(char ***ret) {
 
         strv_sort(l);
 
-        *ret = l;
-        l = NULL;
+        *ret = TAKE_PTR(l);
 
         return 0;
 }

src/basic/set.c

@@ -18,6 +18,7 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#include "alloc-util.h"
 #include "set.h"
 
 int set_make(Set **ret, const struct hash_ops *hash_ops HASHMAP_DEBUG_PARAMS, void *add, ...) {
@@ -55,8 +56,7 @@ int set_make(Set **ret, const struct hash_ops *hash_ops HASHMAP_DEBUG_PARAMS, vo
                 va_end(ap);
         }
 
-        *ret = s;
-        s = NULL;
+        *ret = TAKE_PTR(s);
 
         return 0;
 }

src/basic/socket-util.c

@@ -1017,8 +1017,7 @@ int getpeergroups(int fd, gid_t **ret) {
         if ((socklen_t) (int) n != n)
                 return -E2BIG;
 
-        *ret = d;
-        d = NULL;
+        *ret = TAKE_PTR(d);
 
         return (int) n;
 }

src/basic/time-util.c

@@ -1283,8 +1283,7 @@ int get_timezones(char ***ret) {
         } else if (errno != ENOENT)
                 return -errno;
 
-        *ret = zones;
-        zones = NULL;
+        *ret = TAKE_PTR(zones);
 
         return 0;
 }