kolibrios/programs/system/shell/cmd/cmd_cd.c

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C
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int cmd_cd(char dir[])
{
char temp[256];
unsigned result;
if (NULL == dir)
{
#if LANG_ENG
printf(" cd <directory>\n\r");
#elif LANG_RUS
printf(" cd <<3C><><EFBFBD><E0A5AA><EFBFBD><EFBFBD><EFBFBD>>\n\r");
#endif
return TRUE;
}
if ( 0 == strcmp(dir, ".") )
return FALSE;
if ( ( 0 == strcmp(dir, "..") ) && ( 0 != strcmp(cur_dir, "/")) )
{
cur_dir[strlen(cur_dir)-1]='\0';
dir_truncate(cur_dir);
set_cwd(cur_dir);
return TRUE;
}
if ( '/' == dir[0])
{
if ( dir_check(dir) )
{
strcpy(cur_dir, dir);
set_cwd(cur_dir);
return TRUE;
}
return FALSE;
}
else
{
strcpy(temp, cur_dir);
if (cur_dir[strlen(cur_dir)-1] != '/')
strcat(temp, "/");
strcat(temp, dir);
if ( dir_check(temp) )
{
strcpy(cur_dir, temp);
set_cwd(cur_dir);
return TRUE;
}
return FALSE;
}
}