fd-util: rename CLOSE_AND_REPLACE() -> close_and_replace()

We have free_and_replace() and friends, they are all named with lower
letters, even they are macros, not functions.
For consistency, let's rename CLOSE_AND_REPLACE() with lower letters.

This also mekes the macro used more places.

src/basic/chase-symlinks.c

@@ -265,8 +265,7 @@ int chase_symlinks(
                                 previous_stat = st;
                         }
 
-                        safe_close(fd);
-                        fd = TAKE_FD(fd_parent);
+                        close_and_replace(fd, fd_parent);
 
                         continue;
                 }
@@ -362,8 +361,7 @@ int chase_symlinks(
                         return -ENOMEM;
 
                 /* And iterate again, but go one directory further down. */
-                safe_close(fd);
-                fd = TAKE_FD(child);
+                close_and_replace(fd, child);
         }
 
         if (ret_path)

src/basic/fd-util.c

@@ -654,7 +654,7 @@ int rearrange_stdio(int original_input_fd, int original_output_fd, int original_
                                 goto finish;
                         }
 
-                        CLOSE_AND_REPLACE(null_fd, copy);
+                        close_and_replace(null_fd, copy);
                 }
         }
 

src/basic/fd-util.h

@@ -98,7 +98,7 @@ static inline int make_null_stdio(void) {
         })
 
 /* Like free_and_replace(), but for file descriptors */
-#define CLOSE_AND_REPLACE(a, b)                 \
+#define close_and_replace(a, b)                 \
         ({                                      \
                 int *_fdp_ = &(a);              \
                 safe_close(*_fdp_);             \

src/core/execute.c

@@ -4073,7 +4073,7 @@ static int add_shifted_fd(int *fds, size_t fds_size, size_t *n_fds, int fd, int
                 if (r < 0)
                         return -errno;
 
-                CLOSE_AND_REPLACE(fd, r);
+                close_and_replace(fd, r);
         }
 
         *ret_fd = fds[*n_fds] = fd;

src/home/homed-home.c

@@ -2041,8 +2041,7 @@ void home_process_notify(Home *h, char **l, int fd) {
                         if (taken_fd < 0)
                                 return (void) log_debug("Got notify message with SYSTEMD_LUKS_LOCK_FD=1 but no fd passed, ignoring: %m");
 
-                        safe_close(h->luks_lock_fd);
-                        h->luks_lock_fd = TAKE_FD(taken_fd);
+                        close_and_replace(h->luks_lock_fd, taken_fd);
 
                         log_debug("Successfully acquired LUKS lock fd from worker.");
 

src/import/import-raw.c

@@ -195,7 +195,7 @@ static int raw_import_maybe_convert_qcow2(RawImport *i) {
 
         unlink_and_free(i->temp_path);
         i->temp_path = TAKE_PTR(t);
-        CLOSE_AND_REPLACE(i->output_fd, converted_fd);
+        close_and_replace(i->output_fd, converted_fd);
 
         return 1;
 }

src/import/pull-raw.c

@@ -280,7 +280,7 @@ static int raw_pull_maybe_convert_qcow2(RawPull *i) {
 
         unlink_and_free(i->temp_path);
         i->temp_path = TAKE_PTR(t);
-        CLOSE_AND_REPLACE(i->raw_job->disk_fd, converted_fd);
+        close_and_replace(i->raw_job->disk_fd, converted_fd);
 
         return 1;
 }

src/libsystemd-network/sd-ipv4acd.c

@@ -583,7 +583,7 @@ int sd_ipv4acd_start(sd_ipv4acd *acd, bool reset_conflicts) {
         if (r < 0)
                 return r;
 
-        CLOSE_AND_REPLACE(acd->fd, r);
+        close_and_replace(acd->fd, r);
 
         if (reset_conflicts)
                 acd->n_conflict = 0;

src/login/logind-session-device.c

@@ -188,7 +188,7 @@ static int session_device_start(SessionDevice *sd) {
 
                 /* For evdev devices, the file descriptor might be left uninitialized. This might happen while resuming
                  * into a session and logind has been restarted right before. */
-                CLOSE_AND_REPLACE(sd->fd, r);
+                close_and_replace(sd->fd, r);
                 break;
 
         case DEVICE_TYPE_UNKNOWN:

src/shared/data-fd-util.c

@@ -298,7 +298,7 @@ int copy_data_fd(int fd) {
                 if (f != 0)
                         return -errno;
 
-                CLOSE_AND_REPLACE(copy_fd, tmp_fd);
+                close_and_replace(copy_fd, tmp_fd);
 
                 remains = mfree(remains);
                 remains_size = 0;

src/tmpfiles/tmpfiles.c

@@ -2184,7 +2184,7 @@ static int mkdir_parents_rm_if_wrong_type(mode_t child_mode, const char *path) {
                         return log_error_errno(r, "Failed to stat \"%s\" at \"%s\": %m", t, strnull(parent_name));
                 }
 
-                CLOSE_AND_REPLACE(parent_fd, next_fd);
+                close_and_replace(parent_fd, next_fd);
         }
 }