warning compiling help

[diegoknight95]

i have this error when i compiling in ubuntu 20.04 in forgottenserver 0.4 by fir3element

[ 94%] Building CXX object CMakeFiles/theforgottenserver.dir/src/trashholder.cpp.o
/home/dd105381/3777/src/tools.cpp: In function ‘std::string transformToMD5(std::string, bool)’:
/home/dd105381/3777/src/tools.cpp:42:22: warning: ‘%.2X’ directive writing 2 bytes into a region of size between 1 and 33 [-Wformat-overflow=]
   42 |   sprintf(output, "%s%.2X", output, md[i]);
      |                      ^~~~
/home/dd105381/3777/src/tools.cpp:42:19: note: directive argument in the range [0, 255]
   42 |   sprintf(output, "%s%.2X", output, md[i]);
      |                   ^~~~~~~~
In file included from /usr/include/stdio.h:867,
                 from /usr/include/libxml2/libxml/xmlmemory.h:15,
                 from /home/dd105381/3777/src/otpch.h:28,
                 from /home/dd105381/3777/src/tools.cpp:17:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:36:34: note: ‘__builtin___sprintf_chk’ output between 3 and 35 bytes into a destination of size 33
   36 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   37 |       __bos (__s), __fmt, __va_arg_pack ());
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/dd105381/3777/src/tools.cpp: In function ‘std::string transformToSHA1(std::string, bool)’:
/home/dd105381/3777/src/tools.cpp:61:22: warning: ‘%.2X’ directive writing 2 bytes into a region of size between 1 and 41 [-Wformat-overflow=]
   61 |   sprintf(output, "%s%.2X", output, md[i]);
      |                      ^~~~
/home/dd105381/3777/src/tools.cpp:61:19: note: directive argument in the range [0, 255]
   61 |   sprintf(output, "%s%.2X", output, md[i]);
      |                   ^~~~~~~~
In file included from /usr/include/stdio.h:867,
                 from /usr/include/libxml2/libxml/xmlmemory.h:15,
                 from /home/dd105381/3777/src/otpch.h:28,
                 from /home/dd105381/3777/src/tools.cpp:17:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:36:34: note: ‘__builtin___sprintf_chk’ output between 3 and 43 bytes into a destination of size 41
   36 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   37 |       __bos (__s), __fmt, __va_arg_pack ());
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/dd105381/3777/src/tools.cpp: In function ‘std::string transformToSHA256(std::string, bool)’:
/home/dd105381/3777/src/tools.cpp:80:22: warning: ‘%.2X’ directive writing 2 bytes into a region of size between 1 and 65 [-Wformat-overflow=]
   80 |   sprintf(output, "%s%.2X", output, md[i]);
      |                      ^~~~
/home/dd105381/3777/src/tools.cpp:80:19: note: directive argument in the range [0, 255]
   80 |   sprintf(output, "%s%.2X", output, md[i]);
      |                   ^~~~~~~~
In file included from /usr/include/stdio.h:867,
                 from /usr/include/libxml2/libxml/xmlmemory.h:15,
                 from /home/dd105381/3777/src/otpch.h:28,
                 from /home/dd105381/3777/src/tools.cpp:17:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:36:34: note: ‘__builtin___sprintf_chk’ output between 3 and 67 bytes into a destination of size 65
   36 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   37 |       __bos (__s), __fmt, __va_arg_pack ());
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/dd105381/3777/src/tools.cpp: In function ‘std::string transformToSHA512(std::string, bool)’:
/home/dd105381/3777/src/tools.cpp:99:22: warning: ‘%.2X’ directive writing 2 bytes into a region of size between 1 and 129 [-Wformat-overflow=]
   99 |   sprintf(output, "%s%.2X", output, md[i]);
      |                      ^~~~
/home/dd105381/3777/src/tools.cpp:99:19: note: directive argument in the range [0, 255]
   99 |   sprintf(output, "%s%.2X", output, md[i]);
      |                   ^~~~~~~~
In file included from /usr/include/stdio.h:867,
                 from /usr/include/libxml2/libxml/xmlmemory.h:15,
                 from /home/dd105381/3777/src/otpch.h:28,
                 from /home/dd105381/3777/src/tools.cpp:17:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:36:34: note: ‘__builtin___sprintf_chk’ output between 3 and 131 bytes into a destination of size 129
   36 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   37 |       __bos (__s), __fmt, __va_arg_pack ());
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[ 96%] Building CXX object CMakeFiles/theforgottenserver.dir/src/vocation.cpp.o

 

[diegoknight95]

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