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[vcpkg] Check size and don't perform stripping if string is too small.

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This commit is contained in:
Robert Schumacher 2017-10-05 14:36:29 -07:00
parent d8507cd159
commit a518ded266
1 changed files with 1 additions and 0 deletions
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1
toolsrc/src/vcpkg_System.cpp
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@ -179,6 +179,7 @@ namespace vcpkg::System
// On Win7, output from powershell calls contain a byte order mark, so we strip it out if it is present
static void remove_byte_order_mark(std::wstring* s)
{
if (s->size() < 3) return;
const wchar_t* a = s->c_str();
// This is the UTF-8 byte-order mark
if (a[0] == 0xEF && a[1] == 0xBB && a[2] == 0xBF)