tpm2-tss/0001-tctildr-remove-the-private-implementation-of-strndup.patch

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From 464da22b71e26421f55d4e8abc14711f89c89a28 Mon Sep 17 00:00:00 2001
From: Tadeusz Struk <tadeusz.struk@intel.com>
Date: Thu, 20 Feb 2020 14:11:43 -0800
Subject: [PATCH] tctildr: remove the private implementation of strndup
In fact the private implementation of strndup is only
needed for windows.
Fixes: #1633
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
---
configure.ac | 2 +-
src/tss2-tcti/tctildr.c | 37 +++++++++++++++++--------------------
2 files changed, 18 insertions(+), 21 deletions(-)
diff --git a/configure.ac b/configure.ac
index d7724805966b..aa4ffb1b78a1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -45,7 +45,6 @@ case "${host_os}" in
esac
AC_SUBST([LIBSOCKET_LDFLAGS])
-AC_CHECK_FUNCS([strndup])
AC_ARG_ENABLE([unit],
[AS_HELP_STRING([--enable-unit],
[build cmocka unit tests])],,
@@ -65,6 +64,7 @@ AC_ARG_ENABLE([esapi],
AM_CONDITIONAL(ESAPI, test "x$enable_esapi" = "xyes")
+AC_CHECK_FUNC([strndup],[],[AC_MSG_ERROR([strndup function not found])])
AC_ARG_ENABLE([tcti-device-async],
AS_HELP_STRING([--enable-tcti-device-async],
[Enable asynchronus operation on TCTI device
diff --git a/src/tss2-tcti/tctildr.c b/src/tss2-tcti/tctildr.c
index a46b301b3ea7..92af1d3a787d 100644
--- a/src/tss2-tcti/tctildr.c
+++ b/src/tss2-tcti/tctildr.c
@@ -15,8 +15,25 @@
#include <linux/limits.h>
#elif defined(_MSC_VER)
#include <windows.h>
+#include <limits.h>
#ifndef PATH_MAX
#define PATH_MAX MAX_PATH
+
+static char *strndup(const char* s, size_t n)
+{
+ char *dst = NULL;
+
+ if (n + 1 >= USHRT_MAX)
+ return NULL;
+
+ dst = calloc(1, n + 1);
+
+ if (dst == NULL)
+ return NULL;
+
+ memcpy(dst, s, n);
+ return dst;
+}
#endif
#else
#include <limits.h>
@@ -268,26 +285,6 @@ Tss2_TctiLdr_Finalize (TSS2_TCTI_CONTEXT **tctiContext)
*tctiContext = NULL;
}
-#if !defined(HAVE_STRNDUP)
-char*
-strndup (const char* s,
- size_t n)
-{
- char* dst = NULL;
-
- if (n + 1 < n) {
- return NULL;
- }
- dst = calloc(1, n + 1);
- if (dst == NULL) {
- return NULL;
- }
- memcpy(dst, s, n);
-
- return dst;
-}
-#endif /* HAVE_STRNDUP */
-
TSS2_RC
copy_info (const TSS2_TCTI_INFO *info_src,
TSS2_TCTI_INFO *info_dst)
--
2.30.1