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