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Use folly for error checking 

Summary: Small refactor, making error checking clearer.

Reviewed By: lexs

Differential Revision: D4189090

fbshipit-source-id: f3a24eacfe6dd154d29662f510ce19dbe55f89a6
This commit is contained in:
Ashok Menon 2016-11-16 15:08:40 -08:00 committed by Facebook Github Bot
parent f22dfa3efb
commit 89d81b34db
1 changed files with 2 additions and 6 deletions
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8
ReactCommon/cxxreact/Executor.cpp
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@ -57,14 +57,10 @@ std::unique_ptr<const JSBigMmapString> JSBigMmapString::fromOptimizedBundle(
{ {
auto sourcePath = bundlePath + UNPACKED_JS_SOURCE_PATH_SUFFIX; auto sourcePath = bundlePath + UNPACKED_JS_SOURCE_PATH_SUFFIX;
fd = ::open(sourcePath.c_str(), O_RDONLY); fd = ::open(sourcePath.c_str(), O_RDONLY);
if (fd == -1) { folly::checkUnixError(fd, "could not open js bundle file.");
throw std::runtime_error(std::string("could not open js bundle file: ") + ::strerror(errno));
}
} }
if (::fstat(fd, &fileInfo)) { folly::checkUnixError(::fstat(fd, &fileInfo), "fstat on js bundle failed.");
throw std::runtime_error(std::string("fstat on js bundle failed: ") + strerror(errno));
}
return folly::make_unique<const JSBigMmapString>( return folly::make_unique<const JSBigMmapString>(
fd, fd,