fis-gtm/sr_unix/get_command_line.c

80 lines
2.1 KiB
C

/****************************************************************
* *
* Copyright 2001, 2009 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include "gtm_string.h"
#include "gtm_ctype.h"
#include "stringpool.h"
#include "get_command_line.h"
GBLREF spdesc stringpool;
GBLREF int cmd_cnt;
#ifdef __osf__
#pragma pointer_size (save)
#pragma pointer_size (long)
#endif
GBLREF char **cmd_arg;
#ifdef __osf__
#pragma pointer_size (restore)
#endif
void get_command_line(mval *result, boolean_t zcmd_line)
{
int first_item, len, word_cnt;
unsigned char *cp;
result->mvtype = 0; /* so stp_gcol (if invoked below) can free up space currently occupied by this to-be-overwritten mval */
len = -1; /* to compensate for no space at the end */
if (cmd_cnt > 1)
{
first_item = 1;
if (zcmd_line)
{ /* $ZCMDLINE returns the processed command line. Remove "-direct" and/or "-run <runarg>" from cmd line */
cp = (unsigned char *)cmd_arg[1];
if ('-' == *cp++)
{
first_item++;
if ('r' == TOLOWER(*cp))
first_item++;
}
}
for (word_cnt = first_item; word_cnt < cmd_cnt; word_cnt++)
len += STRLEN(cmd_arg[word_cnt]) + 1; /* include space between arguments */
}
if (0 >= len)
{
result->str.len = 0;
result->mvtype = MV_STR; /* initialize mvtype now that mval has been otherwise completely set up */
return;
}
ENSURE_STP_FREE_SPACE(len);
cp = stringpool.free;
stringpool.free += len;
result->str.addr = (char *)cp;
result->str.len = len;
result->mvtype = MV_STR; /* initialize mvtype now that mval has been otherwise completely set up */
for (word_cnt = first_item; ; *cp++ = ' ')
{
len = STRLEN(cmd_arg[word_cnt]);
memcpy(cp, cmd_arg[word_cnt], len);
if (++word_cnt == cmd_cnt)
break;
cp += len;
}
assert(cp + len == stringpool.free);
return;
}