src/shared/util.h: import xsprintf() from upstream.

Signed-off-by: Anthony G. Basile <blueness@gentoo.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/shared/util.h b/src/shared/util.h
index 0dc46f103f..2aa8da0989 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -224,6 +224,8 @@ char* dirname_malloc(const char *path);
 
 int chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid);
 
+#define xsprintf(buf, fmt, ...) assert_se((size_t) snprintf(buf, ELEMENTSOF(buf), fmt, __VA_ARGS__) < ELEMENTSOF(buf))
+
 int touch_file(const char *path, bool parents, usec_t stamp, uid_t uid, gid_t gid, mode_t mode);
 int touch(const char *path);