add portability fixes for toolchain/tools (full tools/toolchain build works on osx now)

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4867 3c298f89-4303-0410-b956-a3cf2f4a3e73

3 files changed, 94 insertions, 0 deletions

diff --git a/tools/include/byteswap.h b/tools/include/byteswap.h
new file mode 100644
index 0000000000..61047167c3
--- /dev/null
+++ b/tools/include/byteswap.h
@@ -0,0 +1,3 @@
+#ifdef __linux__
+#include_next <byteswap.h>
+#endif
diff --git a/tools/include/endian.h b/tools/include/endian.h
new file mode 100644
index 0000000000..4ea34cdd0f
--- /dev/null
+++ b/tools/include/endian.h
@@ -0,0 +1,29 @@
+#ifndef __endian_compat_h
+#define __endian_compat_h
+
+#if defined(__linux__)
+#include_next <endian.h>
+#elif defined(__APPLE__)
+#include <machine/endian.h>
+#include <machine/byte_order.h>
+#define bswap_16(x) NXSwapShort(x)
+#define bswap_32(x) NXSwapInt(x)
+#define bswap_64(x) NXSwapLongLong(x)
+#else
+#include <machine/endian.h>
+#define bswap_16(x) swap16(x)
+#define bswap_32(x) swap32(x)
+#define bswap_64(x) swap64(x)
+#endif
+
+#ifndef __BYTE_ORDER
+#define __BYTE_ORDER BYTE_ORDER
+#endif
+#ifndef __BIG_ENDIAN
+#define __BIG_ENDIAN BIG_ENDIAN
+#endif
+#ifndef __LITTLE_ENDIAN
+#define __LITTLE_ENDIAN LITTLE_ENDIAN
+#endif
+
+#endif
diff --git a/tools/include/getline.h b/tools/include/getline.h
new file mode 100644
index 0000000000..219be75204
--- /dev/null
+++ b/tools/include/getline.h
@@ -0,0 +1,62 @@
+/*-
+ * Copyright (c) 2006 SPARTA, Inc.
+ * All rights reserved.
+ *
+ * This software was developed by SPARTA ISSO under SPAWAR contract
+ * N66001-04-C-6019 ("SEFOS").
+ *
+ * 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 AUTHOR 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 AUTHOR 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.
+ */
+
+#ifndef __linux__
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/*
+ * Emulate glibc getline() via BSD fgetln().
+ * Note that outsize is not changed unless memory is allocated.
+ */
+static inline ssize_t
+getline(char **outbuf, size_t *outsize, FILE *fp)
+{
+	char *buf;
+	size_t len;
+
+	buf = fgetln(fp, &len);
+	if (buf == NULL)
+		return (-1);
+
+	/* Assumes realloc() accepts NULL for ptr (C99) */
+	if (*outbuf == NULL || *outsize < len + 1) {
+		void *tmp = realloc(*outbuf, len + 1);
+		if (tmp == NULL)
+			return (-1);
+		*outbuf = tmp;
+		*outsize = len + 1;
+	}
+	memcpy(*outbuf, buf, len);
+	(*outbuf)[len] = '\0';
+	return (len);
+}
+#endif