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Export of internal Abseil changes.

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714347c156cfe01575c1830a92bc6dea3030065b by Emma Christie <emmachristie@google.com>:

Release absl::EqualsIgnoreCase

PiperOrigin-RevId: 216243900

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688106e2b9d2924799d597682690851cfba87818 by Abseil Team <absl-team@google.com>:

Import of CCTZ from GitHub.

PiperOrigin-RevId: 216208373

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53638e4da238b230af0e56dc31b9fb790e708f36 by Emma Christie <emmachristie@google.com>:

Update StartsWithIgnoreCase(), EndsWithIgnoreCase(), and EqualsIgnoreCase() headers to say that these functions only consider ASCII case inputs.

PiperOrigin-RevId: 215930962
GitOrigin-RevId: 714347c156cfe01575c1830a92bc6dea3030065b
Change-Id: I7fb3506234185b1a961e0110c1f8302ffe7228fa
This commit is contained in:
Abseil Team 2018-10-08 13:53:59 -07:00 • committed by CJ Johnson
parent e821380d69
commit 445998d7ac
7 changed files with 60 additions and 10 deletions
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7
absl/strings/match.cc
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@ -27,6 +27,13 @@ bool CaseEqual(absl::string_view piece1, absl::string_view piece2) {
}
} // namespace
bool EqualsIgnoreCase(absl::string_view piece1, absl::string_view piece2) {
return (piece1.size() == piece2.size() &&
0 == absl::strings_internal::memcasecmp(piece1.data(), piece2.data(),
piece1.size()));
// memcasecmp uses absl::ascii_tolower().
}
bool StartsWithIgnoreCase(absl::string_view text, absl::string_view prefix) {
return (text.size() >= prefix.size()) &&
CaseEqual(text.substr(0, prefix.size()), prefix);