exit.c

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/*
# _____     ___ ____     ___ ____
#  ____|   |    ____|   |        | |____|
# |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
#-----------------------------------------------------------------------
# Licenced under Academic Free License version 2.0
# Review ps2sdk README & LICENSE files for further details.
*/
 
#include "kernel.h"
#include "string.h"
 
extern char **_kExecArg;
const char *SetArg(const char *filename, int argc, char *argv[]);
 
#ifdef F__exit_internals
char **_kExecArg;
#endif
 
#ifdef F_SetArg
struct SyscallData{
        int syscall;
        void *function;
};
 
struct SyscallData SysEntry = {
        0x5A,
        &kCopyBytes
};
 
#define SETARG_MAX_ARGS 15
 
const char *SetArg(const char *filename, int argc, char *argv[])
{
        const char *filenameOut;
        char *ptr;
        int len, i;
 
        ptr = (char*)(_kExecArg + 16);
        filenameOut = ptr;
        setup(SysEntry.syscall, SysEntry.function);
        argc = (argc > SETARG_MAX_ARGS) ? SETARG_MAX_ARGS : argc;
        Copy(&_kExecArg[0], &ptr, 4);
        len = strlen(filename) + 1;
        Copy(ptr, filename, len);
        ptr += len;
 
        for(i = 0; i < argc; i++)
        {
                Copy(&_kExecArg[1+i], &ptr, 4);
                len = strlen(argv[i]) + 1;
                Copy(ptr, argv[i], len);
                ptr += len;
        }
 
        return filenameOut;
}
#endif
 
#ifdef F_Exit
void Exit(s32 exit_code)
{
        TerminateLibrary();
        _Exit(exit_code);
}
#endif
 
#ifdef F_ExecPS2
s32  ExecPS2(void *entry, void *gp, int num_args, char *args[])
{
        SetArg("", num_args, args);
        TerminateLibrary();
        return _ExecPS2(entry, gp, num_args, &_kExecArg[1]);
}
#endif
 
#ifdef F_LoadExecPS2
void LoadExecPS2(const char *filename, s32 num_args, char *args[])
{
        const char *pFilename;
 
        pFilename = SetArg(filename, num_args, args);
        TerminateLibrary();
        _LoadExecPS2(pFilename, num_args, &_kExecArg[1]);
}
#endif
 
#ifdef F_ExecOSD
void ExecOSD(int num_args, char *args[])
{
        SetArg("", num_args, args);
        TerminateLibrary();
        _ExecOSD(num_args, &_kExecArg[1]);
}
#endif