kolibrios/programs/system/shell/modules/module_script.c

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/// ===========================================================
int script_check(char file[])
{
kol_struct70 k70;
char buf[4];
k70.p00 = 0;
k70.p04 = 0;
//k70.p08 = 0;
k70.p12 = 4; // read 4 bytes
k70.p16 = (unsigned) buf;
k70.p20 = 0;
k70.p21 = file;
kol_file_70(&k70);
if ( !strcmp(buf, script_sign) ) // if we found the script signature
return TRUE;
else
return FALSE;
}
/// ===========================================================
int script_run(char exec[], char args[])
{
kol_struct70 k70;
kol_struct_BDVK bdvk;
unsigned result, i;
unsigned long long filesize, pos;
char *buf; // buffer, where script is copied
k70.p00 = 5;
k70.p04 = k70.p12 = 0;
//k70.p08 = 0;
k70.p16 = (unsigned) &bdvk;
k70.p20 = 0;
k70.p21 = exec;
result = kol_file_70(&k70); // get file info
if ( 0 != result )
return FALSE;
filesize = bdvk.p32; // get file size
buf = malloc(filesize+256); // may fail for over 4Gb file, but impossible case
if (NULL == buf)
return FALSE;
buf[filesize]=0;
k70.p00 = 0;
k70.p04 = 0;
//k70.p08 = 0;
k70.p12 = filesize;
k70.p16 = (unsigned) buf;
k70.p20 = 0;
k70.p21 = exec;
result = kol_file_70(&k70); // read file to the buffer
if ( 0 != result )
{
free(buf);
return FALSE;
}
pos = 0;
for (;;) // script processing
{
if (pos > filesize)
break;
for (i=0;;i++) // reading a string
{
if ((0x0A == buf[pos])||(0x0D == buf[pos])||(0 == buf[pos]))
{
pos++;
CMD[i] = '\0';
break;
}
CMD[i] = buf[pos];
pos++;
}
if ( 0 == strlen(CMD) ) // empty string
continue;
if ('#' == CMD[0]) // comment
continue;
command_execute();
}
free(buf);
return TRUE;
}
/// ===========================================================