From 1668f5edce05596ea775c7b395a31312c73c3ab6 Mon Sep 17 00:00:00 2001
From: drepper <drepper>
Date: Tue, 26 Nov 2002 02:18:56 +0000
Subject: [PATCH] Test for underflow in input buffer.

---
 iconvdata/tst-iconv4.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 iconvdata/tst-iconv4.c

diff --git a/iconvdata/tst-iconv4.c b/iconvdata/tst-iconv4.c
new file mode 100644
index 0000000000..e099ca8715
--- /dev/null
+++ b/iconvdata/tst-iconv4.c
@@ -0,0 +1,44 @@
+#include <errno.h>
+#include <iconv.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+static int
+do_test (void)
+{
+  iconv_t cd = iconv_open ("ISO-8859-1", "UNICODE");
+  if (cd == (iconv_t) -1)
+    {
+      printf ("iconv_open failed: %m\n");
+      exit (EXIT_FAILURE);
+    }
+
+  char instr[] = "a";
+  char *inptr = instr;
+  size_t inlen = strlen (instr);
+  char buf[200];
+  char *outptr = buf;
+  size_t outlen = sizeof (outptr);
+
+  errno = 0;
+  size_t n = iconv (cd, &inptr, &inlen, &outptr, &outlen);
+  if (n != (size_t) -1)
+    {
+      printf ("n (= %zu) != (size_t) -1\n", n);
+      exit (EXIT_FAILURE);
+    }
+  if (errno != EINVAL)
+    {
+      printf ("errno = %m, not EINVAL\n");
+      exit (EXIT_FAILURE);
+    }
+
+  iconv_close (cd);
+
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
-- 
2.11.0