[webkit-changes] [WebKit/WebKit] ea4f98: Introduce SAFE_PRINTF

[geoffreygaren]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: ea4f9860bf2fcd7ca8d6c16eb534c71525527bc3
      https://github.com/WebKit/WebKit/commit/ea4f9860bf2fcd7ca8d6c16eb534c71525527bc3
  Author: Geoffrey Garen <ggaren at apple.com>
  Date:   2025-01-26 (Sun, 26 Jan 2025)

  Changed paths:
    M Source/JavaScriptCore/API/tests/FunctionOverridesTest.cpp
    M Source/WTF/wtf/StdLibExtras.h
    M Source/WTF/wtf/URL.cpp
    M Source/WTF/wtf/text/ASCIILiteral.h
    M Source/WTF/wtf/text/CString.h

  Log Message:
  -----------
  Introduce SAFE_PRINTF
https://bugs.webkit.org/show_bug.cgi?id=286503
rdar://143589997

Reviewed by Chris Dumez.

printf() is not bounds safe because %s arguments might not be null terminated.

This patch introduces SAFE_PRINTF, which checks its arguments for null
termination at compile time.

* Source/JavaScriptCore/API/tests/FunctionOverridesTest.cpp:
(testFunctionOverrides):
* Source/WTF/wtf/StdLibExtras.h:
(WTF::safePrintfType):
* Source/WTF/wtf/URL.cpp:
(WTF::URL::print const):
* Source/WTF/wtf/text/ASCIILiteral.h:
(WTF::safePrintfType):
* Source/WTF/wtf/text/CString.h:
(WTF::safePrintfType):

Canonical link: https://commits.webkit.org/289409@main



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