diff options
Diffstat (limited to 'src/vendorcode/google/chromeos/vpd_decode.c')
-rw-r--r-- | src/vendorcode/google/chromeos/vpd_decode.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/src/vendorcode/google/chromeos/vpd_decode.c b/src/vendorcode/google/chromeos/vpd_decode.c deleted file mode 100644 index 545fd8106f..0000000000 --- a/src/vendorcode/google/chromeos/vpd_decode.c +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright (c) 2014 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - * - */ -#include <assert.h> -#include "lib_vpd.h" - -int decodeLen( - const int32_t max_len, - const uint8_t *in, - int32_t *length, - int32_t *decoded_len) { - uint8_t more; - int i = 0; - - assert(length); - assert(decoded_len); - - *length = 0; - do { - if (i >= max_len) return VPD_FAIL; - more = in[i] & 0x80; - *length <<= 7; - *length |= in[i] & 0x7f; - ++i; - } while (more); - - *decoded_len = i; - - return VPD_OK; -} - -/* Sequentially decodes type, key, and value. - */ -int decodeVpdString( - const int32_t max_len, - const uint8_t *input_buf, - int32_t *consumed, - VpdDecodeCallback callback, - void *callback_arg) { - int type; - int32_t key_len, value_len; - int32_t decoded_len; - const uint8_t *key, *value; - - /* type */ - if (*consumed >= max_len) - return VPD_FAIL; - - type = input_buf[*consumed]; - switch (type) { - case VPD_TYPE_INFO: - case VPD_TYPE_STRING: - (*consumed)++; - - /* key */ - if (VPD_OK != decodeLen(max_len - *consumed, &input_buf[*consumed], - &key_len, &decoded_len) || - *consumed + decoded_len >= max_len) { - return VPD_FAIL; - } - - *consumed += decoded_len; - key = &input_buf[*consumed]; - *consumed += key_len; - - /* value */ - if (VPD_OK != decodeLen(max_len - *consumed, &input_buf[*consumed], - &value_len, &decoded_len) || - *consumed + decoded_len > max_len) { - return VPD_FAIL; - } - *consumed += decoded_len; - value = &input_buf[*consumed]; - *consumed += value_len; - - if (type == VPD_TYPE_STRING) - return callback(key, key_len, value, value_len, callback_arg); - - return VPD_OK; - - default: - return VPD_FAIL; - break; - } - return VPD_OK; -} |