---
st.c | 4 ++--
st.h | 5 +++++
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/st.c b/st.c
index 72f447a..236c92b 100644
--- a/st.c
+++ b/st.c
@@ -670,7 +670,7 @@ selclear(void)
tsetdirt(sel.nb.y, sel.ne.y);
}
-void
+void PRINTF
die(const char *errstr, ...)
{
va_list ap;
@@ -733,7 +733,7 @@ sigchld(UNUSED int a)
pid_t p;
if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
- die("waiting for pid %hd failed: %s\n", pid, strerror(errno));
+ die("waiting for pid %jd failed: %s\n", (intmax_t)pid,
strerror(errno));
if (pid != p)
return;
diff --git a/st.h b/st.h
index 59f1d6e..506926f 100644
--- a/st.h
+++ b/st.h
@@ -28,6 +28,11 @@
#else
#define UNUSED
#endif
+#if __has_attribute(format)
+ #define PRINTF __attribute__ ((format (printf, 1, 2)))
+#else
+ #define PRINTF
+#endif
enum glyph_attribute {
ATTR_NULL = 0,
--
2.20.1
