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Use compressBound function to reserve the right amount of space.

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compressBound function give the upper bound of space needed to
reserve to the compression buffer. Use it instead of using a define.
This commit is contained in:
Matthieu Gautier 2017-03-15 09:54:34 +01:00
parent e27ce444c6
commit 063e9ba80d
1 changed files with 3 additions and 2 deletions
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5
src/server/kiwix-serve.cpp
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@ -164,8 +164,9 @@ bool compress_content(string &content,
/* Compress the content if necessary */
if (deflated) {
pthread_mutex_lock(&compressorLock);
compr_buffer.reserve(COMPRESSOR_BUFFER_SIZE);
uLongf comprLen = COMPRESSOR_BUFFER_SIZE;
uLong bufferBound = compressBound(contentLength);
compr_buffer.reserve(bufferBound);
uLongf comprLen = compr_buffer.capacity();
int err = compress(&compr_buffer[0], &comprLen, (const Bytef*)(content.data()), contentLength);
if (err == Z_OK && comprLen > 2 && comprLen < (contentLength+2)) {