utils-std

commit: 184fd9cf78e696a540ed35edc4d9c3dcc739c9c9
parent b70ff3710668d454106d5c47ce92a3f8e69dcfe4
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Sat, 20 Dec 2025 17:40:04 +0100

cmd/date: handle characters around %N/%:z

Diffstat:
M
cmd/date.c
8
++++++--

1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/cmd/date.c b/cmd/date.c
@@ -72,6 +72,7 @@ date_strftime(char *restrict buf,
 
 		fmt_buf[fmt_bufi] = '\0';
 
+		size_t fmt_bufused = 0;
 		if(fmt_buf[0] == '%' && fmt_buf[1] == ':' && fmt_buf[2] == 'z')
 		{
 			size_t got = snprintf(
@@ -81,6 +82,7 @@ date_strftime(char *restrict buf,
 			buf += got;
 			buflen -= got;
 			printed += got;
+			fmt_bufused += 3;
 		}
 		else if(fmt_buf[0] == '%' && fmt_buf[1] == 'N')
 		{
@@ -90,10 +92,12 @@ date_strftime(char *restrict buf,
 			buf += got;
 			buflen -= got;
 			printed += got;
+			fmt_bufused += 2;
 		}
-		else
+
+		if(fmt_bufi > fmt_bufused)
 		{
-			size_t got = strftime(buf, buflen, fmt_buf, tm);
+			size_t got = strftime(buf, buflen, fmt_buf + fmt_bufused, tm);
 			if(got == 0) return got;
 
 			buf += got;