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https://github.com/RGBCube/serenity
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8605711f4b
After I made stdio buffered, we were dropping anything unflushed on exit. Since /bin/clear just prints out some escape sequences without a newline, the entire buffer was being discarded. Also add VirtualConsole::clear() that handles clearing of background VC's.
52 lines
1.1 KiB
C++
52 lines
1.1 KiB
C++
#include <stdio.h>
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#include <string.h>
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#include <Kernel/Syscall.h>
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#include <AK/StringImpl.h>
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extern "C" int main(int, char**);
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FILE __default_streams[3];
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int errno;
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FILE* stdin;
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FILE* stdout;
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FILE* stderr;
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char** environ;
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extern "C" void __malloc_init();
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extern "C" int _start()
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{
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errno = 0;
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memset(__default_streams, 0, sizeof(__default_streams));
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__default_streams[0].fd = 0;
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stdin = &__default_streams[0];
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__default_streams[1].fd = 1;
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stdout = &__default_streams[1];
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__default_streams[2].fd = 2;
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stderr = &__default_streams[2];
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__malloc_init();
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StringImpl::initializeGlobals();
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int status = 254;
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int argc;
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char** argv;
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int rc = Syscall::invoke(Syscall::SC_get_arguments, (dword)&argc, (dword)&argv);
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if (rc < 0)
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goto epilogue;
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rc = Syscall::invoke(Syscall::SC_get_environment, (dword)&environ);
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if (rc < 0)
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goto epilogue;
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status = main(argc, argv);
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fflush(stdout);
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fflush(stderr);
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epilogue:
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Syscall::invoke(Syscall::SC_exit, status);
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// Birger's birthday <3
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return 20150614;
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}
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