forked from KolibriOS/kolibrios
54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
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/* Copyright (C) 2021 Logaev Maxim (turbocat2001), GPLv2 */
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#include <sys/dirent.h>
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#include <sys/ksys.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#define CHECK_DIR_ERR() if(_ksys_work_files(&inf)){ \
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free((void*)inf.p16); \
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errno = ENOTDIR; \
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return NULL; \
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}
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DIR* opendir(const char* path)
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{
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DIR* list = malloc(sizeof(DIR));
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if(list==NULL){
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errno = ENOMEM;
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return NULL;
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}
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list->pos=0;
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unsigned num_of_file=0;
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ksys70_t 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*)path;
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CHECK_DIR_ERR();
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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->objs = (struct dirent*)malloc(num_of_file*sizeof(struct dirent));
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CHECK_DIR_ERR();
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for(int i=0; i<num_of_file; i++){
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list->objs[i].d_ino = i;
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list->objs[i].d_type = *(unsigned*)(inf.p16+32+(264+40)*i);
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strcpy(list->objs[i].d_name,(char*)(inf.p16+32+40+(264+40)*i));
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}
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list->num_objs = num_of_file;
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return list;
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}
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