Avoid warning about sys/sysctl.h on glibc-2.30.

[paraslash.git] / afh.c

diff --git a/afh.c b/afh.c
index aa6570e1abc33bfe38e9ce87bf87316707263473..567b560a038f0923a663005b447a0fc688c57b2a 100644 (file)
--- a/afh.c
+++ b/afh.c
@@ -113,6 +113,24 @@ static int rewrite_tags(const char *name, int input_fd, void *map,
                        goto out;
        }
        ret = xrename(tmp_name, name);
+       if (ret < 0)
+               goto out;
+       if (OPT_GIVEN(PRESERVE)) {
+               struct timespec times[2]; /* [0]: atime, [1]: mtime */
+               times[0].tv_nsec = UTIME_OMIT;
+               times[1] = sb.st_mtim;
+               /*
+                * We might well have written a file of identical size. If we
+                * keep the mtime as well, we might fool backup applications
+                * like rsync which skip files whose size and mtime haven't
+                * changed. So we change the mtime slightly.
+                */
+               times[1].tv_sec++;
+               if (futimens(output_fd, times) < 0) {
+                       ret = -ERRNO_TO_PARA_ERROR(errno);
+                       goto out;
+               }
+       }
 out:
        if (ret < 0 && output_fd >= 0)
                unlink(tmp_name); /* ignore errors */
@@ -203,7 +221,6 @@ int main(int argc, char **argv)
        loglevel = OPT_UINT32_VAL(LOGLEVEL);
        version_handle_flag("afh", OPT_GIVEN(VERSION));
        handle_help_flags();
-       afh_init();
        for (i = 0; i < lls_num_inputs(lpr); i++) {
                int ret2;
                const char *path = lls_input(i, lpr);