File 191.patch of Package transfig.38710

commit 5f22009dba73922e98d49c0096cece8b215cd45b
Author: Thomas Loimer <thomas.loimer@tuwien.ac.at>
Date:   Tue Apr 8 21:34:23 2025 +0200

    Permit \0 in the second line in the fig file, #191

---
 fig2dev/read.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- fig2dev/read.c
+++ fig2dev/read.c	2025-05-16 09:13:21.182756704 +0000
@@ -181,7 +181,8 @@ read_objects(FILE *fp, F_compound *obj)
 	}
 
 	/* check for embedded '\0' */
-	if (strlen(buf) < sizeof buf - 1 && buf[strlen(buf) - 1] != '\n') {
+	if (*buf == '\0' || (strlen(buf) < sizeof buf - 1 &&
+			buf[strlen(buf) - 1] != '\n')) {
 		put_msg("ASCII NUL ('\\0') character within the first line.");
 		exit(EXIT_FAILURE);
 	/* seek to the end of the first line