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| author | AndreyL ProductEngine <alihatskiy@productengine.com> | 2017-06-07 23:05:37 +0300 |
|---|---|---|
| committer | AndreyL ProductEngine <alihatskiy@productengine.com> | 2017-06-07 23:05:37 +0300 |
| commit | 7cc9455fe1b8a6194f52062c90761fffa6ae6fdc (patch) | |
| tree | 5f5874c6ccc3fe8e55cc1a238ff14c037f084158 /indra | |
| parent | d9fe21f17f8c392a602773fa36b0814a0c672761 (diff) | |
MAINT-6697 Correct pointer freeing
Diffstat (limited to 'indra')
| -rw-r--r-- | indra/llcommon/llsdserialize.cpp | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/indra/llcommon/llsdserialize.cpp b/indra/llcommon/llsdserialize.cpp index 0568a639a0..3a219eb998 100644 --- a/indra/llcommon/llsdserialize.cpp +++ b/indra/llcommon/llsdserialize.cpp @@ -2091,13 +2091,18 @@ std::string zip_llsd(LLSD& data) } have = CHUNK-strm.avail_out; - output = (U8*) realloc(output, cur_size+have); - if (output == NULL) + U8* new_output = (U8*) realloc(output, cur_size+have); + if (new_output == NULL) { LL_WARNS() << "Failed to compress LLSD block: can't reallocate memory, current size: " << cur_size << " bytes; requested " << cur_size + have << " bytes." << LL_ENDL; deflateEnd(&strm); + if (output) + { + free(output); + } return std::string(); } + output = new_output; memcpy(output+cur_size, out, have); cur_size += have; } @@ -2180,14 +2185,19 @@ bool unzip_llsd(LLSD& data, std::istream& is, S32 size) U32 have = CHUNK-strm.avail_out; - result = (U8*) realloc(result, cur_size + have); - if (result == NULL) + U8* new_result = (U8*)realloc(result, cur_size + have); + if (new_result == NULL) { LL_WARNS() << "Failed to unzip LLSD block: can't reallocate memory, current size: " << cur_size << " bytes; requested " << cur_size + have << " bytes." << LL_ENDL; inflateEnd(&strm); + if (result) + { + free(result); + } delete[] in; return false; } + result = new_result; memcpy(result+cur_size, out, have); cur_size += have; @@ -2279,15 +2289,20 @@ U8* unzip_llsdNavMesh( bool& valid, unsigned int& outsize, std::istream& is, S32 U32 have = CHUNK-strm.avail_out; - result = (U8*) realloc(result, cur_size + have); - if (result == NULL) + U8* new_result = (U8*) realloc(result, cur_size + have); + if (new_result == NULL) { LL_WARNS() << "Failed to unzip LLSD NavMesh block: can't reallocate memory, current size: " << cur_size << " bytes; requested " << cur_size + have << " bytes." << LL_ENDL; inflateEnd(&strm); + if (result) + { + free(result); + } delete[] in; valid = false; return NULL; } + result = new_result; memcpy(result+cur_size, out, have); cur_size += have; |