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authorSebastian Huber <sebastian.huber@embedded-brains.de>2014-12-02 12:42:23 +0100
committerSebastian Huber <sebastian.huber@embedded-brains.de>2014-12-02 13:05:30 +0100
commit9ab1558f6ed457bb380131c2221069df62b55d3a (patch)
treebc757cbc917ac3dd5ac47066032a4390963a65d2 /tools
parent80d99aa20cd0e8fa519c3fe1e4e7402931dfa4cb (diff)
downloadrtems-9ab1558f6ed457bb380131c2221069df62b55d3a.tar.bz2
tools: Provide strnlen() if missing
Diffstat (limited to 'tools')
-rw-r--r--tools/build/Makefile.am4
-rw-r--r--tools/build/compat.c44
-rw-r--r--tools/build/config.h.in3
-rw-r--r--tools/build/configure.ac2
4 files changed, 50 insertions, 3 deletions
diff --git a/tools/build/Makefile.am b/tools/build/Makefile.am
index e8794917b2..5c6f7baab5 100644
--- a/tools/build/Makefile.am
+++ b/tools/build/Makefile.am
@@ -5,9 +5,9 @@ bin_PROGRAMS = cklength eolstrip packhex unhex rtems-bin2c
noinst_PROGRAMS = binpatch
cklength_SOURCES = cklength.c
-eolstrip_SOURCES = eolstrip.c
+eolstrip_SOURCES = eolstrip.c compat.c
packhex_SOURCES = packhex.c
-unhex_SOURCES = unhex.c
+unhex_SOURCES = unhex.c compat.c
binpatch_SOURCES = binpatch.c
rtems_bin2c_SOURCES = rtems-bin2c.c
diff --git a/tools/build/compat.c b/tools/build/compat.c
new file mode 100644
index 0000000000..9c6eb10af5
--- /dev/null
+++ b/tools/build/compat.c
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2014 embedded brains GmbH. All rights reserved.
+ *
+ * embedded brains GmbH
+ * Dornierstr. 4
+ * 82178 Puchheim
+ * Germany
+ * <info@embedded-brains.de>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#include "config.h"
+
+#include <string.h>
+
+#if !HAVE_STRNLEN
+size_t strnlen(const char *s, size_t maxlen)
+{
+ const char *n = memchr(s, '\0', maxlen);
+
+ return n != NULL ? n - s : maxlen;
+}
+#endif
diff --git a/tools/build/config.h.in b/tools/build/config.h.in
index 7274c7c8d8..9aa5c43023 100644
--- a/tools/build/config.h.in
+++ b/tools/build/config.h.in
@@ -30,6 +30,9 @@
/* Define to 1 if you have the <string.h> header file. */
#undef HAVE_STRING_H
+/* Define to 1 if you have the `strnlen' function. */
+#undef HAVE_STRNLEN
+
/* Define to 1 if you have the `strtol' function. */
#undef HAVE_STRTOL
diff --git a/tools/build/configure.ac b/tools/build/configure.ac
index 0d8b2a2e4c..616b28cc0b 100644
--- a/tools/build/configure.ac
+++ b/tools/build/configure.ac
@@ -10,7 +10,7 @@ AM_MAINTAINER_MODE
AC_PROG_CC
AC_CHECK_HEADERS([getopt.h libgen.h])
-AC_CHECK_FUNCS(strerror strtol basename)
+AC_CHECK_FUNCS(strerror strtol basename strnlen)
RTEMS_PATH_KSH