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