Optimize ReadFileToStringWithMaxSize function
GetFileSize can be used to estimate buffer size if file size is
available. So use it as a hint for buffer size for file reading.
Also avoid latest fread syscall in reading loop using feof.
Bug: 821262
Change-Id: I7dc30483a2f95d4da2c0d3cb0049941d2634a281
Reviewed-on: https://chromium-review.googlesource.com/958861
Commit-Queue: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#559168}
CrOS-Libchrome-Original-Commit: 1ede155664606236fe8958b0a4c7e695bb378c39
2 files changed