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Fix dap::Socket::read() when recv() errors

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Identified by @kuafuwang.

Fixes #29
This commit is contained in:
Ben Clayton 2020-05-26 10:28:51 +01:00
parent 9e313445bb
commit ad9b4588f2
1 changed files with 3 additions and 1 deletions
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4
src/socket.cpp
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@ -158,7 +158,9 @@ class dap::Socket::Shared : public dap::ReaderWriter {
if (s == InvalidSocket) { if (s == InvalidSocket) {
return 0; return 0;
} }
return recv(s, reinterpret_cast<char*>(buffer), static_cast<int>(bytes), 0); auto len =
recv(s, reinterpret_cast<char*>(buffer), static_cast<int>(bytes), 0);
return (len < 0) ? 0 : len;
} }
bool write(const void* buffer, size_t bytes) { bool write(const void* buffer, size_t bytes) {