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/****************************************************************
* *
* 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. *
* *
****************************************************************/
/* lke_fileio.c */
#include "mdef.h"
#include "gtm_fcntl.h"
#include "gtm_string.h"
#include "gtm_unistd.h"
#include "error.h"
#include "cli.h"
#include "eintr_wrappers.h"
#include "util.h"
#include "lke_fileio.h"
#include "gtmio.h"
#ifdef __MVS__
#include "gtm_stat.h"
#include "gtm_zos_io.h"
#endif
/* This function will process I/O if -OUTPUT suboption is present.
This will create the file and duplicate it as stderr.
So anything written to stderr will be written to this file. */
bool open_fileio(int *save_stderr)
{
char ofnamebuf[1024];
mstr ofname;
int status=FALSE, fd;
unsigned short len;
char *errmsg;
#ifdef __MVS__
int realfiletag, fstatus;
struct stat info;
/* Need the ERR_BADTAG and ERR_TEXT error_defs for the TAG_POLICY macro warning */
error_def(ERR_TEXT);
error_def(ERR_BADTAG);
#endif
*save_stderr = SYS_STDERR;
ofname.addr=ofnamebuf;
ofname.len=SIZEOF(ofnamebuf);
if (cli_present("OUTPUT") == CLI_PRESENT)
{
len = ofname.len;
if (cli_get_str("OUTPUT", ofname.addr, &len))
{
int dup2_res;
ZOS_ONLY(STAT_FILE(ofname.addr, &info, fstatus);)
/* create output file */
CREATE_FILE(ofname.addr, 0666, fd);
if (0 > fd)
{
errmsg = STRERROR(errno);
util_out_print("Cannot create !AD.!/!AD", TRUE, len, ofname.addr,
RTS_ERROR_STRING(errmsg));
return status;
}
/* All output from LKE is done through util_out_print which uses stderr so make output file as new stderr */
*save_stderr = dup(SYS_STDERR);
DUP2(fd, SYS_STDERR, dup2_res);
#ifdef __MVS__
if (0 == fstatus)
{
if (-1 == gtm_zos_tag_to_policy(fd, TAG_UNTAGGED, &realfiletag))
TAG_POLICY_GTM_PUTMSG(ofname.addr, realfiletag, TAG_UNTAGGED, errno);
} else
{
if (-1 == gtm_zos_set_tag(fd, TAG_EBCDIC, TAG_TEXT, TAG_FORCE, &realfiletag))
TAG_POLICY_GTM_PUTMSG(ofname.addr, realfiletag, TAG_EBCDIC, errno);
}
#endif
status=TRUE;
} else
util_out_print("Error getting FILE name", TRUE);
}
return status;
}
/* Close the file I/O and restore stderr */
void close_fileio(int *save_stderr)
{
int dup2_res;
int rc;
DUP2(*save_stderr, SYS_STDERR, dup2_res);
CLOSEFILE_RESET(*save_stderr, rc); /* resets "*save_stderr" to FD_INVALID */
*save_stderr = SYS_STDERR;
}
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