From: Collin Funk <collin.funk1@gmail.com>
Date: Fri, 10 Oct 2025 03:40:05 +0000 (-0700)
Subject: getdelim tests: Add a test for the glibc bug.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e2632ca0dee12a073ce4b0e70a290100d1e4cb8b;p=thirdparty%2Fgnulib.git

getdelim tests: Add a test for the glibc bug.

* tests/test-getdelim.c (main): Check that the buffer is terminated with
a NUL character when the first character read is EOF.
---

diff --git a/ChangeLog b/ChangeLog
index bb326cdfdf..7e14807d12 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2025-10-10  Collin Funk  <collin.funk1@gmail.com>
 
+	getdelim tests: Add a test for the glibc bug.
+	* tests/test-getdelim.c (main): Check that the buffer is terminated with
+	a NUL character when the first character read is EOF.
+
 	getdelim: Work around a glibc bug.
 	* m4/getdelim.m4 (gl_FUNC_GETDELIM): Check that the buffer is terminated
 	with a NUL character when the first character read is EOF. Guess that
diff --git a/tests/test-getdelim.c b/tests/test-getdelim.c
index b7911464e3..3696d0f5ab 100644
--- a/tests/test-getdelim.c
+++ b/tests/test-getdelim.c
@@ -84,7 +84,11 @@ main (void)
   ASSERT (memcmp (line, "d\0f", 4) == 0);
   ASSERT (3 < len);
 
+  /* Test that reading an EOF will terminate the buffer with a NUL
+     character.  */
   result = getdelim (&line, &len, 'n', f);
+  ASSERT (0 < len);
+  ASSERT (line[0] == '\0');
   ASSERT (result == -1);
 
   free (line);