| 1,25 → 1,20 |
|---|
| #include <syscall.h> |
| |
| int write_file(const char *path,const void *buff, |
| unsigned offset,unsigned count,unsigned *writes) |
| { |
| int retval; |
| unsigned cnt; |
| __asm__ __volatile__( |
| "pushl $0 \n\t" |
| "pushl $0 \n\t" |
| "movl %%eax, 1(%%esp) \n\t" |
| "pushl %%ebx \n\t" |
| "pushl %%edx \n\t" |
| "pushl $0 \n\t" |
| "pushl %%ecx \n\t" |
| "pushl $3 \n\t" |
| "movl %%esp, %%ebx \n\t" |
| "mov $70, %%eax \n\t" |
| "int $0x40 \n\t" |
| "addl $28, %%esp \n\t" |
| :"=a" (retval), "=b"(cnt) |
| :"a"(path),"b"(buff),"c"(offset),"d"(count)); |
| if(writes) |
| *writes = cnt; |
| return retval; |
| }; |
| ksys70_t k; |
| k.p00 = 3; |
| k.p04 = offset; |
| k.p12 = count; |
| k.cbuf16 = buff; |
| k.p20 = 0; |
| k.p21 = path; |
| int status; |
| unsigned bytes_written_v; |
| FS_Service(&k, &bytes_written_v); |
| if (!status){ |
| *writes = bytes_written_v; |
| } |
| return status; |
| } |