mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1.4 KiB
55 lines
1.4 KiB
/* |
|
* |
|
* Copyright 2015 gRPC authors. |
|
* |
|
* Licensed under the Apache License, Version 2.0 (the "License"); |
|
* you may not use this file except in compliance with the License. |
|
* You may obtain a copy of the License at |
|
* |
|
* http://www.apache.org/licenses/LICENSE-2.0 |
|
* |
|
* Unless required by applicable law or agreed to in writing, software |
|
* distributed under the License is distributed on an "AS IS" BASIS, |
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
* See the License for the specific language governing permissions and |
|
* limitations under the License. |
|
* |
|
*/ |
|
|
|
#include "test/core/util/parse_hexstring.h" |
|
#include <grpc/support/log.h> |
|
|
|
grpc_slice parse_hexstring(const char *hexstring) { |
|
size_t nibbles = 0; |
|
const char *p = 0; |
|
uint8_t *out; |
|
uint8_t temp; |
|
grpc_slice slice; |
|
|
|
for (p = hexstring; *p; p++) { |
|
nibbles += (*p >= '0' && *p <= '9') || (*p >= 'a' && *p <= 'f'); |
|
} |
|
|
|
GPR_ASSERT((nibbles & 1) == 0); |
|
|
|
slice = grpc_slice_malloc(nibbles / 2); |
|
out = GRPC_SLICE_START_PTR(slice); |
|
|
|
nibbles = 0; |
|
temp = 0; |
|
for (p = hexstring; *p; p++) { |
|
if (*p >= '0' && *p <= '9') { |
|
temp = (uint8_t)(temp << 4) | (uint8_t)(*p - '0'); |
|
nibbles++; |
|
} else if (*p >= 'a' && *p <= 'f') { |
|
temp = (uint8_t)(temp << 4) | (uint8_t)(*p - 'a' + 10); |
|
nibbles++; |
|
} |
|
if (nibbles == 2) { |
|
*out++ = temp; |
|
nibbles = 0; |
|
} |
|
} |
|
|
|
return slice; |
|
}
|
|
|