pitrou commented on code in PR #47629:
URL: https://github.com/apache/arrow/pull/47629#discussion_r2372738045
##########
cpp/src/arrow/util/io_util.cc:
##########
@@ -1070,11 +1070,10 @@ Result<FileDescriptor> FileOpenReadable(const
PlatformFilename& file_name) {
}
fd = FileDescriptor(ret);
#else
- int ret = open(file_name.ToNative().c_str(), O_RDONLY);
- if (ret < 0) {
- return IOErrorFromErrno(errno, "Failed to open local file '",
file_name.ToString(),
- "'");
- }
+ int64_t ret;
Review Comment:
There is no reason to make this an `int64_t`, which not keep it `int`?
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