test1556: verify >16KB headers to the header callback

tests/data/Makefile.inc

@@ -171,7 +171,7 @@ test1520 test1521 \
 test1525 test1526 test1527 test1528 test1529 test1530 test1531 test1532 \
 test1533 test1534 test1535 test1536 test1537 test1538 \
 test1540 \
-test1550 test1551 test1552 test1553 test1554 test1555 \
+test1550 test1551 test1552 test1553 test1554 test1555 test1556 \
 test1600 test1601 test1602 test1603 test1604 test1605 test1606 \
 \
 test1700 test1701 test1702 \

tests/libtest/Makefile.inc

@@ -27,7 +27,7 @@ noinst_PROGRAMS = chkhostname libauthretry libntlmconnect                \
  lib1525 lib1526 lib1527 lib1528 lib1529 lib1530 lib1531 lib1532 lib1533 \
  lib1534 lib1535 lib1536 lib1537 lib1538 \
  lib1540 \
- lib1550 lib1551 lib1552 lib1553 lib1554 lib1555 \
+ lib1550 lib1551 lib1552 lib1553 lib1554 lib1555 lib1556 \
  lib1900 \
  lib2033
 
@@ -481,6 +481,10 @@ lib1555_SOURCES = lib1555.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
 lib1555_LDADD = $(TESTUTIL_LIBS)
 lib1555_CPPFLAGS = $(AM_CPPFLAGS) -DLIB1555
 
+lib1556_SOURCES = lib1556.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
+lib1556_LDADD = $(TESTUTIL_LIBS)
+lib1556_CPPFLAGS = $(AM_CPPFLAGS) -DLIB1556
+
 lib1900_SOURCES = lib1900.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
 lib1900_LDADD = $(TESTUTIL_LIBS)
 lib1900_CPPFLAGS = $(AM_CPPFLAGS)

tests/libtest/lib1556.c

@@ -0,0 +1,78 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "test.h"
+
+#include "testutil.h"
+#include "warnless.h"
+#include "memdebug.h"
+
+struct headerinfo {
+  size_t largest;
+};
+
+static size_t header(void *ptr, size_t size, size_t nmemb, void *stream)
+{
+  size_t headersize = size * nmemb;
+  struct headerinfo *info = (struct headerinfo *)stream;
+  (void)ptr;
+
+  if(headersize > info->largest)
+    /* remember the longest header */
+    info->largest = headersize;
+
+  return nmemb * size;
+}
+
+int test(char *URL)
+{
+  CURLcode code;
+  CURL *curl = NULL;
+  int res = 0;
+  struct headerinfo info = {0};
+
+  global_init(CURL_GLOBAL_ALL);
+
+  easy_init(curl);
+
+  easy_setopt(curl, CURLOPT_HEADERFUNCTION, header);
+  easy_setopt(curl, CURLOPT_HEADERDATA, &info);
+  easy_setopt(curl, CURLOPT_VERBOSE, 1L);
+  easy_setopt(curl, CURLOPT_URL, URL);
+
+  code = curl_easy_perform(curl);
+  if(CURLE_OK != code) {
+    fprintf(stderr, "%s:%d curl_easy_perform() failed, "
+            "with code %d (%s)\n",
+            __FILE__, __LINE__, (int)code, curl_easy_strerror(code));
+    res = TEST_ERR_MAJOR_BAD;
+    goto test_cleanup;
+  }
+
+  printf("Max: %ld\n", (long)info.largest);
+
+test_cleanup:
+
+  curl_easy_cleanup(curl);
+  curl_global_cleanup();
+
+  return res;
+}