67 lines
983 B
C
67 lines
983 B
C
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static inline void set_cwd(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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int cmd_cd(char dir[])
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{
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char temp[256];
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unsigned result;
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if (NULL == dir)
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{
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#if LANG_ENG
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printf(" cd <directory>\n\r");
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#elif LANG_RUS
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printf(" cd <¤¨à¥ªâ®à¨ï>\n\r");
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#endif
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return TRUE;
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}
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if ( 0 == strcmp(dir, ".") )
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return FALSE;
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if ( ( 0 == strcmp(dir, "..") ) && ( 0 != strcmp(cur_dir, "/")) )
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{
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cur_dir[strlen(cur_dir)-1]='\0';
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dir_truncate(cur_dir);
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set_cwd(cur_dir);
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return TRUE;
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}
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if ( '/' == dir[0])
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{
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if ( dir_check(dir) )
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{
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strcpy(cur_dir, dir);
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set_cwd(cur_dir);
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return TRUE;
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}
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return FALSE;
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}
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else
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{
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strcpy(temp, cur_dir);
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if (cur_dir[strlen(cur_dir)-1] != '/')
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strcat(temp, "/");
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strcat(temp, dir);
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if ( dir_check(temp) )
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{
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strcpy(cur_dir, temp);
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set_cwd(cur_dir);
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return TRUE;
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}
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return FALSE;
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}
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}
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