4 files changed, 18 insertions, 12 deletions
diff --git a/src/shared/copy.c b/src/shared/copy.c
index 4dfc2f3fca..4c227c8bee 100644
--- a/src/shared/copy.c
+++ b/src/shared/copy.c
@@ -22,7 +22,7 @@
 #include "util.h"
 #include "copy.h"
 
-static int stream_bytes(int fdf, int fdt) {
+int copy_bytes(int fdf, int fdt) {
         assert(fdf >= 0);
         assert(fdt >= 0);
 
@@ -92,7 +92,7 @@ static int fd_copy_regular(int df, const char *from, const struct stat *st, int
                 return -errno;
         }
 
-        r = stream_bytes(fdf, fdt);
+        r = copy_bytes(fdf, fdt);
         if (r < 0) {
                 unlinkat(dt, to, 0);
                 return r;
@@ -273,7 +273,7 @@ int copy_file(const char *from, const char *to, int flags, mode_t mode) {
         if (fdt < 0)
                 return -errno;
 
-        r = stream_bytes(fdf, fdt);
+        r = copy_bytes(fdf, fdt);
         if (r < 0) {
                 unlink(to);
                 return r;
diff --git a/src/shared/copy.h b/src/shared/copy.h
index 5b569543ee..8fb057fe86 100644
--- a/src/shared/copy.h
+++ b/src/shared/copy.h
@@ -23,3 +23,4 @@
 
 int copy_file(const char *from, const char *to, int flags, mode_t mode);
 int copy_tree(const char *from, const char *to);
+int copy_bytes(int fdf, int fdt);
diff --git a/src/shared/util.c b/src/shared/util.c
index 91cbf20454..a7aec5c54f 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -4007,24 +4007,16 @@ int fd_wait_for_event(int fd, int event, usec_t t) {
 int fopen_temporary(const char *path, FILE **_f, char **_temp_path) {
         FILE *f;
         char *t;
-        const char *fn;
-        size_t k;
         int fd;
 
         assert(path);
         assert(_f);
         assert(_temp_path);
 
-        t = new(char, strlen(path) + 1 + 6 + 1);
+        t = strappend(path, ".XXXXXX");
         if (!t)
                 return -ENOMEM;
 
-        fn = basename(path);
-        k = fn - path;
-        memcpy(t, path, k);
-        t[k] = '.';
-        stpcpy(stpcpy(t+k+1, fn), "XXXXXX");
-
         fd = mkostemp_safe(t, O_WRONLY|O_CLOEXEC);
         if (fd < 0) {
                 free(t);
@@ -6665,3 +6657,14 @@ int bind_remount_recursive(const char *prefix, bool ro) {
                 }
         }
 }
+
+int fflush_and_check(FILE *f) {
+
+        errno = 0;
+        fflush(f);
+
+        if (ferror(f))
+                return errno ? -errno : -EIO;
+
+        return 0;
+}
diff --git a/src/shared/util.h b/src/shared/util.h
index 0f8c393353..1796014f26 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -946,3 +946,5 @@ int update_reboot_param_file(const char *param);
 int umount_recursive(const char *target, int flags);
 
 int bind_remount_recursive(const char *prefix, bool ro);
+
+int fflush_and_check(FILE *f);