[Webkit-unassigned] [Bug 40907] New: [PNG decoder] direct access to jmpbuf is deprecated in libpng >= 1.4.0beta103

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=40907

           Summary: [PNG decoder] direct access to jmpbuf is deprecated in
                    libpng >= 1.4.0beta103
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Images
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: pnormand at igalia.com


Extract from libpng/CHANGES:


 Make the 'png_jmpbuf' macro expand to a call that records the correct
    longjmp function as well as returning a pointer to the setjmp
    jmp_buf buffer, and marked direct access to jmpbuf 'deprecated'.
    (John Bowler)

So the PNGImageDecoder should use png_jmpbuf(m_png) instead of m_png->jmpbuf if libpng >= 1.4 is used.

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