forked from KolibriOS/kolibrios
109 lines
2.0 KiB
C
109 lines
2.0 KiB
C
/* Copyright (C) 2019-2021 Logaev Maxim (turbocat2001), GPLv3 */
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#include <stdlib.h>
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#include <dir.h>
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#include <stdbool.h>
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#pragma pack(push,1)
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typedef struct {
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unsigned p00;
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unsigned long long p04;
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unsigned p12;
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unsigned p16;
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char p20;
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char *p21;
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} kol_struct70;
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#pragma pack(pop)
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int kol_file_70(kol_struct70 *k)
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{
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asm volatile ("int $0x40"::"a"(70), "b"(k));
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}
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bool dir_operations(unsigned char fun_num, char *path)
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{
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kol_struct70 inf;
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inf.p00 = fun_num;
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inf.p04 = 0;
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inf.p12 = 0;
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inf.p16 = 0;
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inf.p20 = 0;
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inf.p21 = path;
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if(!kol_file_70(&inf)){
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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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}
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int lsdir(const char* dir, short_file_info **list)
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{
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int num_of_file=0;
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kol_struct70 inf;
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inf.p00 = 1;
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inf.p04 = 0;
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inf.p12 = 2;
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inf.p16 = (unsigned) malloc(32+inf.p12*560);
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inf.p20 = 0;
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inf.p21 = (char*)dir;
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if(kol_file_70(&inf))
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{
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free((void*)inf.p16);
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return FS_ERROR;
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}
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num_of_file = *(unsigned*)(inf.p16+8);
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inf.p12 = num_of_file;
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free((void*)inf.p16);
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inf.p16 = (unsigned) malloc(32+inf.p12*560);
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*list = (short_file_info*)malloc(num_of_file*sizeof(short_file_info));
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if(kol_file_70(&inf))
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{
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free((void*)inf.p16);
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return FS_ERROR;
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}
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for(int i=0; i<num_of_file; i++)
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{
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(*list)[i].type = *(unsigned*)(inf.p16+32+(264+40)*i);
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(*list)[i].name =(char*)(inf.p16+32+40+(264+40)*i);
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}
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return num_of_file;
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}
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char *getcwd(char *buf, unsigned size)
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{
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if(buf == NULL){
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if((buf = malloc(size))==NULL)
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{
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return NULL;
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}
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}
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__asm__ __volatile__(
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"int $0x40"
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::"a"(30),"b"(2),"c"(buf), "d"(size));
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return(buf);
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}
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void setcwd(const char* cwd)
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{
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__asm__ __volatile__(
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"int $0x40"
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::"a"(30),"b"(1),"c"(cwd));
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}
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bool rmdir(const char* dir)
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{
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return dir_operations(8, (char*)dir);
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}
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bool mkdir(const char* dir)
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{
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return dir_operations(9, (char*)dir);
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}
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