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</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'>No. It doesn’t work on Windows. So, need to include it on non Windows OS. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'>#ifndef _WIN32<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Courier New";color:black;background:white'>#include <limits.h></span><span lang=EN-US style='font-size:10.5pt;font-family:等线'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'>#endif<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'>Thanks<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'>Liming<o:p></o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:等线'>发件人<span lang=EN-US>:</span></span></b><span lang=EN-US style='font-size:11.0pt;font-family:等线'> Andrew Fish <afish@apple.com> <br></span><b><span style='font-size:11.0pt;font-family:等线'>发送时间<span lang=EN-US>:</span></span></b><span lang=EN-US style='font-size:11.0pt;font-family:等线'> 2020</span><span style='font-size:11.0pt;font-family:等线'>年<span lang=EN-US>10</span>月<span lang=EN-US>30</span>日<span lang=EN-US> 10:55<br></span><b>收件人<span lang=EN-US>:</span></b><span lang=EN-US> gaoliming <gaoliming@byosoft.com.cn><br></span><b>抄送<span lang=EN-US>:</span></b><span lang=EN-US> devel@edk2.groups.io<br></span><b>主题<span lang=EN-US>:</span></b><span lang=EN-US> Re: [edk2-devel] Why is MAX_LONG_FILE_PATH 500 vs. PATH_MAX?<o:p></o:p></span></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Does that work on Windows? <o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>Thanks,<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>Andrew Fish<o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-US><br><br><o:p></o:p></span></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal><span lang=EN-US>On Oct 29, 2020, at 7:53 PM, gaoliming <<a href="mailto:gaoliming@byosoft.com.cn">gaoliming@byosoft.com.cn</a>> wrote:<o:p></o:p></span></p></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'>Yes.<span class=apple-converted-space> </span></span><span lang=EN-US style='font-size:11.0pt;font-family:"Courier New";color:black;background:white'>#include <limits.h> is required for PATH_MAX</span><span lang=EN-US><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'><a href="https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/limits.h.html">https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/limits.h.html</a></span><span lang=EN-US><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'> </span><span lang=EN-US><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'> </span><span lang=EN-US><o:p></o:p></span></p></div><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><div><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:等线'>发件人<span lang=EN-US>:</span></span></b><span class=apple-converted-space><span lang=EN-US style='font-size:11.0pt;font-family:等线'> </span></span><span lang=EN-US style='font-size:11.0pt;font-family:等线'><a href="mailto:bounce+27952+66797+4905953+8761045@groups.io">bounce+27952+66797+4905953+8761045@groups.io</a><span class=apple-converted-space> </span><<a href="mailto:bounce+27952+66797+4905953+8761045@groups.io">bounce+27952+66797+4905953+8761045@groups.io</a>><span class=apple-converted-space> </span></span><b><span style='font-size:11.0pt;font-family:等线'>代表<span class=apple-converted-space><span lang=EN-US> </span></span></span></b><span lang=EN-US style='font-size:11.0pt;font-family:等线'>Andrew Fish via<span class=apple-converted-space> </span><a href="http://groups.io/">groups.io</a><br></span><b><span style='font-size:11.0pt;font-family:等线'>发送时间<span lang=EN-US>:</span></span></b><span class=apple-converted-space><span lang=EN-US style='font-size:11.0pt;font-family:等线'> </span></span><span lang=EN-US style='font-size:11.0pt;font-family:等线'>2020</span><span style='font-size:11.0pt;font-family:等线'>年<span lang=EN-US>10</span>月<span lang=EN-US>30</span>日<span class=apple-converted-space><span lang=EN-US> </span></span><span lang=EN-US>10:28<br></span><b>收件人<span lang=EN-US>:</span></b><span class=apple-converted-space><span lang=EN-US> </span></span><span lang=EN-US><a href="mailto:devel@edk2.groups.io">devel@edk2.groups.io</a>;<span class=apple-converted-space> </span><a href="mailto:gaoliming@byosoft.com.cn">gaoliming@byosoft.com.cn</a><br></span><b>主题<span lang=EN-US>:</span></b><span class=apple-converted-space><span lang=EN-US> </span></span><span lang=EN-US>Re: [edk2-devel] Why is MAX_LONG_FILE_PATH 500 vs. PATH_MAX?</span></span><span lang=EN-US><o:p></o:p></span></p></div></div></div><div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p></div><div><div><p class=MsoNormal><span lang=EN-US><br><br><br><o:p></o:p></span></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal><span lang=EN-US>On Oct 29, 2020, at 7:25 PM, gaoliming <<a href="mailto:gaoliming@byosoft.com.cn">gaoliming@byosoft.com.cn</a>> wrote:<o:p></o:p></span></p></div></div><div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p></div><div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'>Andrew:</span><span lang=EN-US><o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'> Windows defines _MAX_PATH macro. But, its value is 260. It is not enough. To fix your issue, MAX_LONG_FILE_PATH can be updated as below.<span class=apple-converted-space> </span></span><span lang=EN-US><o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'> </span><span lang=EN-US><o:p></o:p></span></p></div></div></div></blockquote><div><div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-US>OK I</span>’<span lang=EN-US>ll file a BZ. It may also require adding an include?<o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-US>Thanks,<o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-US>Andrew Fish<o:p></o:p></span></p></div></div><div><p class=MsoNormal><span lang=EN-US><br><br><br><o:p></o:p></span></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'>#ifdef PATH_MAX</span><span lang=EN-US><o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'>#define MAX_LONG_FILE_PATH PATH_MAX</span><span lang=EN-US><o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'>#else</span><span lang=EN-US><o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'>#define MAX_LONG_FILE_PATH 500</span><span lang=EN-US><o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'>#endif</span><span lang=EN-US><o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'> </span><span lang=EN-US><o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'>Thanks</span><span lang=EN-US><o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'>Liming</span><span lang=EN-US><o:p></o:p></span></p></div></div><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><div><div><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:等线'>发件人<span lang=EN-US>:</span></span></b><span class=apple-converted-space><span lang=EN-US style='font-size:11.0pt;font-family:等线'> </span></span><span lang=EN-US style='font-size:11.0pt;font-family:等线'><a href="mailto:bounce+27952+66793+4905953+8761045@groups.io">bounce+27952+66793+4905953+8761045@groups.io</a><span class=apple-converted-space> </span><<a href="mailto:bounce+27952+66793+4905953+8761045@groups.io">bounce+27952+66793+4905953+8761045@groups.io</a>><span class=apple-converted-space> </span></span><b><span style='font-size:11.0pt;font-family:等线'>代表<span class=apple-converted-space><span lang=EN-US> </span></span></span></b><span lang=EN-US style='font-size:11.0pt;font-family:等线'>Andrew Fish via<span class=apple-converted-space> </span><a href="http://groups.io/">groups.io</a><br></span><b><span style='font-size:11.0pt;font-family:等线'>发送时间<span lang=EN-US>:</span></span></b><span class=apple-converted-space><span lang=EN-US style='font-size:11.0pt;font-family:等线'> </span></span><span lang=EN-US style='font-size:11.0pt;font-family:等线'>2020</span><span style='font-size:11.0pt;font-family:等线'>年<span lang=EN-US>10</span>月<span lang=EN-US>30</span>日<span class=apple-converted-space><span lang=EN-US> </span></span><span lang=EN-US>9:37<br></span><b>收件人<span lang=EN-US>:</span></b><span class=apple-converted-space><span lang=EN-US> </span></span><span lang=EN-US>gaoliming <<a href="mailto:gaoliming@byosoft.com.cn">gaoliming@byosoft.com.cn</a>><br></span><b>抄送<span lang=EN-US>:</span></b><span class=apple-converted-space><span lang=EN-US> </span></span><span lang=EN-US><a href="mailto:devel@edk2.groups.io">devel@edk2.groups.io</a><br></span><b>主题<span lang=EN-US>:</span></b><span class=apple-converted-space><span lang=EN-US> </span></span><span lang=EN-US>Re: [edk2-devel] Why is MAX_LONG_FILE_PATH 500 vs. PATH_MAX?</span></span><span lang=EN-US><o:p></o:p></span></p></div></div></div></div><div><div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p></div></div><div><div><div><p class=MsoNormal><span lang=EN-US><br><br><br><br><o:p></o:p></span></p></div></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><div><p class=MsoNormal><span lang=EN-US>On Oct 29, 2020, at 6:34 PM, gaoliming <<a href="mailto:gaoliming@byosoft.com.cn">gaoliming@byosoft.com.cn</a>> wrote:<o:p></o:p></span></p></div></div></div><div><div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'>This macro is added to resolve the limitation on WINDOWS OS for the length of entire file path can</span><span style='font-size:10.5pt;font-family:等线'>’<span lang=EN-US>t be larger than 255. It use the hard code 500, because 500 is enough for most case. Do you meet with the problem that the file path length exceeds 500?</span></span><span lang=EN-US><o:p></o:p></span></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'> </span><span lang=EN-US><o:p></o:p></span></p></div></div></div></div></blockquote><div><div><div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-US>Yes locally we have changed it to PATH_MAX to fix a build break we hit. Does Windows support PATH_MAX?<o:p></o:p></span></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-US>Thanks,<o:p></o:p></span></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-US>Andrew Fish<o:p></o:p></span></p></div></div></div><div><div><p class=MsoNormal><span lang=EN-US><br><br><br><br><o:p></o:p></span></p></div></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'>Thanks</span><span lang=EN-US><o:p></o:p></span></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:等线'>Liming</span><span lang=EN-US><o:p></o:p></span></p></div></div></div><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><div><div><div><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:等线'>发件人<span lang=EN-US>:</span></span></b><span class=apple-converted-space><span lang=EN-US style='font-size:11.0pt;font-family:等线'> </span></span><span lang=EN-US style='font-size:11.0pt;font-family:等线'><a href="mailto:bounce+27952+66762+4905953+8761045@groups.io">bounce+27952+66762+4905953+8761045@groups.io</a><span class=apple-converted-space> </span><<a href="mailto:bounce+27952+66762+4905953+8761045@groups.io">bounce+27952+66762+4905953+8761045@groups.io</a>><span class=apple-converted-space> </span></span><b><span style='font-size:11.0pt;font-family:等线'>代表<span class=apple-converted-space><span lang=EN-US> </span></span></span></b><span lang=EN-US style='font-size:11.0pt;font-family:等线'>Andrew Fish via<span class=apple-converted-space> </span><a href="http://groups.io/">groups.io</a><br></span><b><span style='font-size:11.0pt;font-family:等线'>发送时间<span lang=EN-US>:</span></span></b><span class=apple-converted-space><span lang=EN-US style='font-size:11.0pt;font-family:等线'> </span></span><span lang=EN-US style='font-size:11.0pt;font-family:等线'>2020</span><span style='font-size:11.0pt;font-family:等线'>年<span lang=EN-US>10</span>月<span lang=EN-US>30</span>日<span class=apple-converted-space><span lang=EN-US> </span></span><span lang=EN-US>1:24<br></span><b>收件人<span lang=EN-US>:</span></b><span class=apple-converted-space><span lang=EN-US> </span></span><span lang=EN-US>edk2-devel-groups-io <<a href="mailto:devel@edk2.groups.io">devel@edk2.groups.io</a>><br></span><b>主题<span lang=EN-US>:</span></b><span class=apple-converted-space><span lang=EN-US> </span></span><span lang=EN-US>[edk2-devel] Why is MAX_LONG_FILE_PATH 500 vs. PATH_MAX?</span></span><span lang=EN-US><o:p></o:p></span></p></div></div></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> </span><span lang=EN-US><o:p></o:p></span></p></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Does anyone know why MAX_LONG_FILE_PATH [1] is hard coded to 500 vs. using the systems PATH_MAX?</span><span lang=EN-US><o:p></o:p></span></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> </span><span lang=EN-US><o:p></o:p></span></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>On Linux I think PATH_MAX is 4KiB and on macOS it is 1KiB.</span><span lang=EN-US><o:p></o:p></span></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> </span><span lang=EN-US><o:p></o:p></span></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> </span><span lang=EN-US><o:p></o:p></span></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>[1] <a href="https://github.com/tianocore/edk2/blob/master/BaseTools/Source/C/Common/CommonLib.h#L17">https://github.com/tianocore/edk2/blob/master/BaseTools/Source/C/Common/CommonLib.h#L17</a></span><span lang=EN-US><o:p></o:p></span></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> </span><span lang=EN-US><o:p></o:p></span></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Thanks,</span><span lang=EN-US><o:p></o:p></span></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> </span><span lang=EN-US><o:p></o:p></span></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Andrew Fish</span><span lang=EN-US><o:p></o:p></span></p></div></div></div></div></div></blockquote></div><div><div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p></div></div></div></blockquote></div><div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p></div><div><div><p class=MsoNormal><span lang=EN-US><o:p></o:p></span></p></div></div></div></blockquote></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></div></div></body></html>
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