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<p class="MsoPlainText">Hi Matthias,<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Yes that's right. The error message is<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><span style="color:red">..\..\OpenSSL\openssl-1.1.1c\crypto\../ssl/packet_locl.h(429) : error C2440: '=' : cannot convert from 'void *' to 'unsigned char *' Conversion from 'void*' to pointer to non-'void' requires an explicit cast<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="color:red"><o:p> </o:p></span></p>
<p class="MsoPlainText">Sorry, it was missed by mistake. So how can we avoid this?<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">In our code, We included “ssl_locl.h” which in turn includes packet_locl.h. Any way to avoid this kind of error?<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Thanks and regards,<o:p></o:p></p>
<p class="MsoPlainText">Nagalakshmi<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">-----Original Message-----<br>
From: Dr. Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com> <br>
Sent: Monday, September 30, 2019 2:10 PM<br>
To: Nagalakshmi V J <nagalakshmi.j@altran.com>; openssl-users@openssl.org<br>
Cc: Umamaheswari Nagarajan <umamaheswari.nagarajan@altran.com><br>
Subject: AW: OpenSSL compilation errors in Windows</p>
<p class="MsoPlainText"><o:p> </o:p></p>
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<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">> Getting the errors like below. ssl/packet_locl.h(429) : error C2440:
<o:p></o:p></p>
<p class="MsoPlainText">> '=' : cannot convert from 'void *' to 'unsigned char 'Conversion from
<o:p></o:p></p>
<p class="MsoPlainText">> 'void' to pointer to non-'void' requires an explicit cast<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Is it possible that your error message was copied incorrectly? Line 429 is an assignment from 'void *' to 'unsigned char*', not to 'unsigned char'.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Such an assignment is allowed in C (and the type is implicitly converted), but not in C++. Is it possible, that you are including this header in a module compiled with a C++ compiler? Note that this is an internal header file and not
meant to be included by third party software.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">HTH,<o:p></o:p></p>
<p class="MsoPlainText">Matthias<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Dr. Matthias St. Pierre<o:p></o:p></p>
<p class="MsoPlainText">Senior Software Engineer<o:p></o:p></p>
<p class="MsoPlainText"><a href="mailto:matthias.st.pierre@ncp-e.com"><span style="color:windowtext;text-decoration:none">matthias.st.pierre@ncp-e.com</span></a><o:p></o:p></p>
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<p class="MsoPlainText">Von: openssl-users <<a href="mailto:openssl-users-bounces@openssl.org"><span style="color:windowtext;text-decoration:none">openssl-users-bounces@openssl.org</span></a>> Im Auftrag von Nagalakshmi V J<o:p></o:p></p>
<p class="MsoPlainText">Gesendet: Montag, 30. September 2019 08:44<o:p></o:p></p>
<p class="MsoPlainText">An: <a href="mailto:openssl-users@openssl.org"><span style="color:windowtext;text-decoration:none">openssl-users@openssl.org</span></a><o:p></o:p></p>
<p class="MsoPlainText">Cc: Umamaheswari Nagarajan <<a href="mailto:umamaheswari.nagarajan@altran.com"><span style="color:windowtext;text-decoration:none">umamaheswari.nagarajan@altran.com</span></a>><o:p></o:p></p>
<p class="MsoPlainText">Betreff: OpenSSL compilation errors in Windows<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Hi,<o:p></o:p></p>
<p class="MsoPlainText">I am using openssl 1.1.c from our product code. While compiling the code, I am getting the errors which can be suppressed as warnings using -fpermissive flag in Linux (gcc/g++). In windows, I am getting the same compilation errors in
visual studio (2005). Would like to know the alternative of -fpermissive flag that can be used in visual studio to suppress the errors.<o:p></o:p></p>
<p class="MsoPlainText">I tried adding the flags such as '/fpermissive' , '/Ze' in module properties->C/C++->command Line->Additional options. But it did not resolve the problem.<o:p></o:p></p>
<p class="MsoPlainText">Getting the errors like below. ssl/packet_locl.h(429) : error C2440: '=' : cannot convert from 'void *' to 'unsigned char 'Conversion from 'void' to pointer to non-'void' requires an explicit cast<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Since it is giving error in Openssl code, we cannot make any code changes there. Has anyone faced this kind of issue?<o:p></o:p></p>
<p class="MsoPlainText">Please let me know how to resolve this issue.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Thanks and regards,<o:p></o:p></p>
<p class="MsoPlainText">Nagalakshmi<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
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