add libshared/libnvram and required includes under version control

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@344 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 86 insertions, 0 deletions

diff --git a/package/openwrt/libshared/wl.c b/package/openwrt/libshared/wl.c
new file mode 100644
index 0000000000..f09317ad06
--- /dev/null
+++ b/package/openwrt/libshared/wl.c
@@ -0,0 +1,86 @@
+/*
+ * Wireless network adapter utilities
+ *
+ * Copyright 2004, Broadcom Corporation
+ * All Rights Reserved.
+ * 
+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
+ *
+ * $Id$
+ */
+#include <string.h>
+
+#include <typedefs.h>
+#include <wlutils.h>
+
+int
+wl_probe(char *name)
+{
+	int ret, val;
+
+	/* Check interface */
+	if ((ret = wl_ioctl(name, WLC_GET_MAGIC, &val, sizeof(val))))
+		return ret;
+	if (val != WLC_IOCTL_MAGIC)
+		return -1;
+	if ((ret = wl_ioctl(name, WLC_GET_VERSION, &val, sizeof(val))))
+		return ret;
+	if (val > WLC_IOCTL_VERSION)
+		return -1;
+
+	return ret;
+}
+
+int
+wl_set_val(char *name, char *var, void *val, int len)
+{
+	char buf[128];
+	int buf_len;
+
+	/* check for overflow */
+	if ((buf_len = strlen(var)) + 1 + len > sizeof(buf))
+		return -1;
+	
+	strcpy(buf, var);
+	buf_len += 1;
+
+	/* append int value onto the end of the name string */
+	memcpy(&buf[buf_len], val, len);
+	buf_len += len;
+
+	return wl_ioctl(name, WLC_SET_VAR, buf, buf_len);
+}
+
+int
+wl_get_val(char *name, char *var, void *val, int len)
+{
+	char buf[128];
+	int ret;
+
+	/* check for overflow */
+	if (strlen(var) + 1 > sizeof(buf) || len > sizeof(buf))
+		return -1;
+	
+	strcpy(buf, var);
+	if ((ret = wl_ioctl(name, WLC_GET_VAR, buf, sizeof(buf))))
+		return ret;
+
+	memcpy(val, buf, len);
+	return 0;
+}
+
+int
+wl_set_int(char *name, char *var, int val)
+{
+	return wl_set_val(name, var, &val, sizeof(val));
+}
+
+int
+wl_get_int(char *name, char *var, int *val)
+{
+	return wl_get_val(name, var, val, sizeof(*val));
+}
+