mirror of
https://github.com/google/sandboxed-api.git
synced 2024-03-22 13:11:30 +08:00
43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "callbacks.h"
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#include <cstdlib>
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#include <cstring>
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#include <iostream>
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#include "sandboxed_api/vars.h"
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// Function taken from curl's getinmemory.c
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size_t WriteMemoryCallback(void* contents, size_t size, size_t nmemb,
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void* userp) {
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size_t real_size = size * nmemb;
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auto* mem = static_cast<sapi::LenValStruct*>(userp);
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char* ptr = static_cast<char*>(realloc(mem->data, mem->size + real_size + 1));
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if (ptr == nullptr) { // Out of memory
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std::cout << "not enough memory (realloc returned NULL)\n";
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return 0;
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}
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mem->data = ptr;
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auto data = static_cast<char*>(mem->data);
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memcpy(&(data[mem->size]), contents, real_size);
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mem->size += real_size;
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data[mem->size] = 0;
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return real_size;
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}
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