Import ubus tools.

2016-02-26 22:16:27 +01:00
parent 2c3ca52e41
commit 6bc8cdeef3
200 changed files with 23469 additions and 0 deletions
--- a/3P/libubox/utils.c
+++ b/3P/libubox/utils.c
@@ -0,0 +1,94 @@
+/*
+ * utils - misc libubox utility functions
+ *
+ * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "utils.h"
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#define foreach_arg(_arg, _addr, _len, _first_addr, _first_len) \
+	for (_addr = (_first_addr), _len = (_first_len); \
+		_addr; \
+		_addr = va_arg(_arg, void **), _len = _addr ? va_arg(_arg, size_t) : 0)
+
+void *__calloc_a(size_t len, ...)
+{
+	va_list ap, ap1;
+	void *ret;
+	void **cur_addr;
+	size_t cur_len;
+	int alloc_len = 0;
+	char *ptr;
+
+	va_start(ap, len);
+
+	va_copy(ap1, ap);
+	foreach_arg(ap1, cur_addr, cur_len, &ret, len)
+		alloc_len += cur_len;
+	va_end(ap1);
+
+	ptr = calloc(1, alloc_len);
+	alloc_len = 0;
+	foreach_arg(ap, cur_addr, cur_len, &ret, len) {
+		*cur_addr = &ptr[alloc_len];
+		alloc_len += cur_len;
+	}
+	va_end(ap);
+
+	return ret;
+}
+
+#ifdef __APPLE__
+#include <mach/mach_time.h>
+
+static void clock_gettime_realtime(struct timespec *tv)
+{
+	struct timeval _tv;
+
+	gettimeofday(&_tv, NULL);
+	tv->tv_sec = _tv.tv_sec;
+	tv->tv_nsec = _tv.tv_usec * 1000;
+}
+
+static void clock_gettime_monotonic(struct timespec *tv)
+{
+	mach_timebase_info_data_t info;
+	float sec;
+	uint64_t val;
+
+	mach_timebase_info(&info);
+
+	val = mach_absolute_time();
+	tv->tv_nsec = (val * info.numer / info.denom) % 1000000000;
+
+	sec = val;
+	sec *= info.numer;
+	sec /= info.denom;
+	sec /= 1000000000;
+	tv->tv_sec = sec;
+}
+
+void clock_gettime(int type, struct timespec *tv)
+{
+	if (type == CLOCK_REALTIME)
+		return clock_gettime_realtime(tv);
+	else
+		return clock_gettime_monotonic(tv);
+}
+
+#endif