c4
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many complie warnings when run `gcc -o c4 c4.c`
root@localhost:~# gcc -o c4 c4.c
c4.c: In function ‘next’:
c4.c:56:18: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
56 | printf("%d: %.*s", line, p - lp, lp);
| ~^ ~~~~ | | |
| int long long int
| %lld
etc
my gcc version
gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/aarch64-linux-gnu/11/lto-wrapper
Target: aarch64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 11.4.0-1ubuntu1~22.04' --with-bugurl=file:///usr/share/doc/gcc-11/README.Bugs --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-11 --program-prefix=aarch64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-libquadmath --disable-libquadmath-support --enable-plugin --enable-default-pie --with-system-zlib --enable-libphobos-checking=release --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --enable-fix-cortex-a53-843419 --disable-werror --enable-checking=release --build=aarch64-linux-gnu --host=aarch64-linux-gnu --target=aarch64-linux-gnu --with-build-config=bootstrap-lto-lean --enable-link-serialization=2
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.4.0 (Ubuntu 11.4.0-1ubuntu1~22.04)
root@localhost:~#
try do as https://github.com/rswier/c4/issues/64 said
if comment out #define int long long
c4.c: In function ‘next’:
c4.c:56:23: warning: field precision specifier ‘.*’ expects argument of type ‘int’, but argument 3 has type ‘long int’ [-Wformat=]
56 | printf("%d: %.*s", line, p - lp, lp);
| ~~^~ ~~~~~~
| | |
| int long int c4.c:77:39: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
77 | if (tk == id[Hash] && !memcmp((char *)id[Name], pp, p - pp)) { tk = id[Tk]; return; }
|
The c4 compiled successful. But when I run it, Segment failed
The c4 compiled successful. But when I run it, Segment failed
use 32bit mode when compiling with gcc
The c4 compiled successful. But when I run it, Segment failed
you should use tdm-gcc, instead of mingw or mingw-64 (your system is linux, i am not sure tdm-gcc support MS Windows)