487 lines
8.7 KiB
C
487 lines
8.7 KiB
C
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#include "common.h"
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#pragma pack(push, 1)
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typedef struct
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{
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char sec;
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char min;
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char hour;
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char rsv;
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}detime_t;
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#pragma pack(pop)
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#pragma pack(push, 1)
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typedef struct
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{
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char day;
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char month;
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short year;
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}dedate_t;
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#pragma pack(pop)
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#pragma pack(push, 1)
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typedef struct
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{ unsigned attr;
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unsigned flags;
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union
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{
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detime_t ctime;
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unsigned cr_time;
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};
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union
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{
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dedate_t cdate;
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unsigned cr_date;
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};
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union
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{
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detime_t atime;
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unsigned acc_time;
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};
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union
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{
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dedate_t adate;
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unsigned acc_date;
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};
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union
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{
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detime_t mtime;
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unsigned mod_time;
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};
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union
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{
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dedate_t mdate;
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unsigned mod_date;
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};
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unsigned size;
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unsigned size_high;
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} FILEINFO;
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#pragma pack(pop)
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typedef struct
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{
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char *path;
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int offset;
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} dbgfile_t;
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static dbgfile_t dbgfile;
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static void _SysMsgBoardStr(char *text)
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{
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asm __volatile__
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(
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"call [DWORD PTR __imp__SysMsgBoardStr]"
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:
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:"S" (text)
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);
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};
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int get_fileinfo(const char *path,FILEINFO *info)
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{
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int retval;
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asm __volatile__
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(
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"push 0 \n\t"
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"push 0 \n\t"
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"mov [esp+1], eax \n\t"
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"push ebx \n\t"
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"push 0 \n\t"
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"push 0 \n\t"
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"push 0 \n\t"
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"push 5 \n\t"
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"mov ebx, esp \n\t"
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"mov eax, 70 \n\t"
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"int 0x40 \n\t"
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"add esp, 28 \n\t"
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:"=eax" (retval)
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:"a" (path), "b" (info)
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);
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return retval;
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};
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int create_file(const char *path)
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{
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int retval;
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asm __volatile__(
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"push 0 \n\t"
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"push 0 \n\t"
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"mov [esp+1], eax \n\t"
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"push 0 \n\t"
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"push 0 \n\t"
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"push 0 \n\t"
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"push 0 \n\t"
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"push 2 \n\t"
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"mov ebx, esp \n\t"
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"mov eax, 70 \n\t"
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"int 0x40 \n\t"
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"add esp, 28"
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:"=eax" (retval)
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:"a" (path)
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);
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return retval;
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};
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int set_file_size(const char *path, unsigned size)
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{
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int retval;
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asm __volatile__(
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"push 0 \n\t"
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"push 0 \n\t"
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"mov [esp+1], eax \n\t"
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"push 0 \n\t"
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"push 0 \n\t"
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"push 0 \n\t"
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"push ebx \n\t"
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"push 4 \n\t"
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"mov ebx, esp \n\t"
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"mov eax, 70 \n\t"
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"int 0x40 \n\t"
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"add esp, 28"
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:"=eax" (retval)
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:"a" (path), "b" (size)
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);
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return retval;
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};
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int write_file(const char *path,const void *buff,
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unsigned offset,unsigned count,unsigned *writes)
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{
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int retval;
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asm __volatile__
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("push ebx \n\t"
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"push 0 \n\t"
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"push 0 \n\t"
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"mov [esp+1], eax \n\t"
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"push ebx \n\t"
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"push edx \n\t"
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"push 0 \n\t"
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"push ecx \n\t"
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"push 3 \n\t"
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"mov ebx, esp \n\t"
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"mov eax, 70 \n\t"
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"int 0x40 \n\t"
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"test esi, esi \n\t"
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"jz 1f \n\t"
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"mov [esi], ebx \n\t"
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"1:"
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"add esp, 28 \n\t"
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"pop ebx"
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:"=eax" (retval)
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:"a"(path),"b"(buff),"c"(offset),"d"(count),"S"(writes)
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);
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return retval;
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};
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char * _putc(char *s, int c)
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{
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int i=0;
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switch(c)
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{
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case '\n':
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*s++ = '\r';
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*s++ = '\n';
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case '\r':
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break;
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case '\t':
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do
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{
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*s++ = ' ';
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}
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while (i % 8 != 0);
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break;
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default:
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*s++ = c;
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}
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return s;
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}
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char *print_string(char *buff, char* s)
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{
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int i=0;
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char c;
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while (c=*s++)
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{
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switch(c)
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{
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case '\r':
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break;
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case '\n':
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*buff++ = '\r';
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*buff++ = '\n';
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i=0;
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case '\t':
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do
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{
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*buff++ = ' ';
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i++;
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}
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while (i % 8 != 0);
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break;
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default:
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*buff++ = c;
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i++;
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};
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}
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return buff;
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}
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char *print_dec(char *buff,int val)
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{
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char dbuff[16];
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int i = 14;
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dbuff[15] = '\0';
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do
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{
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dbuff[i] = (val % 10) + '0';
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val = val / 10;
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i--;
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} while(val);
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return print_string(buff, &dbuff[i+1]);
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}
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const char hexchars[] = "0123456789ABCDEF";
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char *print_hex(char *buff, u32_t val)
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{
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int i;
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for (i=sizeof(u32_t)*8-4; i >= 0; i -= 4)
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buff = _putc(buff,hexchars[((u32_t)val >> i) & 0xF]);
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return buff;
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}
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#define va_start(v,l) __builtin_va_start(v,l)
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#define va_end(v) __builtin_va_end(v)
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#define va_arg(v,l) __builtin_va_arg(v,l)
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#if !defined(__STRICT_ANSI__) || __STDC_VERSION__ + 0 >= 199900L
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#define va_copy(d,s) __builtin_va_copy(d,s)
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#endif
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#define __va_copy(d,s) __builtin_va_copy(d,s)
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typedef __builtin_va_list __gnuc_va_list;
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typedef __gnuc_va_list va_list;
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#define arg(x) va_arg (ap, u32_t)
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char txtbuf[128];
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int printf(const char* format, ...)
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{
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u32_t ret = 1;
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u32_t i = 0;
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char *sbuf = txtbuf;
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va_list ap;
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va_start (ap, format);
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if (format == 0)
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return 0;
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while (*format)
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{
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switch (*(format))
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{
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case '%':
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next_fmt:
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switch (*(++format))
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{
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case 'l': case '-':
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case '0': case '1': case '2': case '3': case '4':
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case '5': case '6': case '7': case '8': case '9':
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goto next_fmt;
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case 'c':
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sbuf = _putc (sbuf,arg (i));
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break;
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case 'd':
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sbuf = print_dec (sbuf,arg (i));
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break;
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case 'p':
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case 'x':
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sbuf = print_hex (sbuf,(u32_t) arg (i));
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break;
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case 's':
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sbuf = print_string (sbuf,(char*) arg (i));
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break;
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default:
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sbuf = print_string (sbuf,"?");
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break;
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}
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i++;
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break;
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default:
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sbuf = _putc (sbuf,*format);
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break;
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}
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format++;
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}
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va_end (ap);
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*sbuf=0;
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_SysMsgBoardStr(txtbuf);
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return ret;
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}
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int dbg_open(char *path)
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{
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FILEINFO info;
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dbgfile.offset = 0;
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if(get_fileinfo(path,&info))
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{
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if(!create_file(path))
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{
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dbgfile.path = path;
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return TRUE;
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}
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else
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return FALSE;
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};
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set_file_size(path, 0);
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dbgfile.path = path;
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dbgfile.offset = 0;
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return TRUE;
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};
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int vsnprintf(char *s, size_t n, const char *format, va_list arg);
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int dbgprintf(const char* format, ...)
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{
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unsigned writes;
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int len=0;
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// char *sbuf = txtbuf;
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va_list ap;
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va_start(ap, format);
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if (format)
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len = vsnprintf(txtbuf, 128, format, ap);
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va_end(ap);
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_SysMsgBoardStr(txtbuf);
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if(dbgfile.path)
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{
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write_file(dbgfile.path,txtbuf,dbgfile.offset,len,&writes);
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dbgfile.offset+=writes;
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};
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return len;
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}
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int snprintf(char *s, size_t n, const char *format, ...)
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{
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va_list ap;
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int retval;
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va_start(ap, format);
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retval = vsnprintf(s, n, format, ap);
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va_end(ap);
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return retval;
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}
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/*
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int snprintf(char *buf,int count, const char* format, ...)
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{
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int len;
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// u32 ret = 1;
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u32 i = 0;
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char *sbuf = buf;
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va_list ap;
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va_start (ap, format);
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if (format == 0)
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return 0;
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while (*format)
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{
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switch (*(format))
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{
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case '%':
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next_fmt:
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switch (*(++format))
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{
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case 'l': case '-':
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case '0': case '1': case '2': case '3': case '4':
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case '5': case '6': case '7': case '8': case '9':
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goto next_fmt;
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case 'c':
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sbuf = _putc (sbuf,arg (i));
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break;
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case 'd':
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sbuf = print_dec (sbuf,arg (i));
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break;
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case 'p':
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case 'x':
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sbuf = print_hex (sbuf,(u32) arg (i));
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break;
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case 's':
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sbuf = print_string (sbuf,(char*) arg (i));
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break;
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default:
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sbuf = print_string (sbuf,"?");
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break;
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}
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i++;
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break;
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default:
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sbuf = _putc (sbuf,*format);
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break;
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}
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format++;
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}
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va_end (ap);
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*sbuf=0;
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len = sbuf-txtbuf;
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return len;
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}
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*/
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char *
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RhdAppendString(char *s1, const char *s2)
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{
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if (!s2)
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return s1;
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else
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if (!s1)
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return strdup(s2);
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else
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{
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int len = strlen(s1) + strlen(s2) + 1;
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char *result = (char *)malloc(len);
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if (!result) return s1;
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strcpy(result,s1);
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strcat(result,s2);
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free(s1);
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return result;
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}
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return 0;
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}
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