When we open debug mode(`./configure --devel`),
GCC will check `sign-conversion` and `conversion`.
It will cause some warnings.
Also add `-DDEBUG` to `CFLAGS` if we open debug
mode. This can open `PDEBUG()` and help you to get
detail information.
Signed-off-by: Jack Hu <spcreply@126.com>
Recent GCC added checks for this and it triggers `Werror` with
```
In function 'strncpy',
inlined from 'proxy_gethostbyname' at src/core.c:832:2:
/nix/store/hayaj8q9rc7swx4llcjqymmg3zr525lx-glibc-2.32-25-dev/include/bits/string_fortified.h:91:10: error: '__builtin_strncpy' specified bound 8192 equals destination size [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wstringop-truncation-Werror=stringop-truncation8;;]
91 | return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In function 'strncpy',
inlined from 'proxy_getaddrinfo' at src/core.c:917:3:
/nix/store/hayaj8q9rc7swx4llcjqymmg3zr525lx-glibc-2.32-25-dev/include/bits/string_fortified.h:91:10: error: '__builtin_strncpy' specified bound 256 equals destination size [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wstringop-truncation-Werror=stringop-truncation8;;]
91 | return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
```
now everythings finally correctly indented and future patches
will not be overshadowed by whitespace noise.
used the following settings
--braces-on-func-def-line
--braces-on-struct-decl-line
--braces-on-if-line
--dont-break-procedure-type
--leave-preprocessor-space
--continue-at-parentheses
-linux
-i8
-brace-indent1
--case-indentation8
--space-after-cast
--line-length120
--no-space-after-for
--no-space-after-if
--no-space-after-while
--leave-optional-blank-lines
--ignore-profile
--space-special-semicolon
--indent-label8