100 lines
2.6 KiB
C
100 lines
2.6 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2009 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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/* lke_fileio.c */
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#include "mdef.h"
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#include "gtm_fcntl.h"
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#include "gtm_string.h"
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#include "gtm_unistd.h"
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#include "error.h"
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#include "cli.h"
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#include "eintr_wrappers.h"
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#include "util.h"
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#include "lke_fileio.h"
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#include "gtmio.h"
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#ifdef __MVS__
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#include "gtm_stat.h"
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#include "gtm_zos_io.h"
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#endif
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/* This function will process I/O if -OUTPUT suboption is present.
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This will create the file and duplicate it as stderr.
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So anything written to stderr will be written to this file. */
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bool open_fileio(int *save_stderr)
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{
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char ofnamebuf[1024];
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mstr ofname;
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int status=FALSE, fd;
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unsigned short len;
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char *errmsg;
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#ifdef __MVS__
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int realfiletag, fstatus;
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struct stat info;
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/* Need the ERR_BADTAG and ERR_TEXT error_defs for the TAG_POLICY macro warning */
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error_def(ERR_TEXT);
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error_def(ERR_BADTAG);
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#endif
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*save_stderr = SYS_STDERR;
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ofname.addr=ofnamebuf;
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ofname.len=SIZEOF(ofnamebuf);
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if (cli_present("OUTPUT") == CLI_PRESENT)
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{
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len = ofname.len;
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if (cli_get_str("OUTPUT", ofname.addr, &len))
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{
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int dup2_res;
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ZOS_ONLY(STAT_FILE(ofname.addr, &info, fstatus);)
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/* create output file */
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CREATE_FILE(ofname.addr, 0666, fd);
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if (0 > fd)
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{
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errmsg = STRERROR(errno);
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util_out_print("Cannot create !AD.!/!AD", TRUE, len, ofname.addr,
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RTS_ERROR_STRING(errmsg));
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return status;
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}
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/* All output from LKE is done through util_out_print which uses stderr so make output file as new stderr */
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*save_stderr = dup(SYS_STDERR);
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DUP2(fd, SYS_STDERR, dup2_res);
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#ifdef __MVS__
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if (0 == fstatus)
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{
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if (-1 == gtm_zos_tag_to_policy(fd, TAG_UNTAGGED, &realfiletag))
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TAG_POLICY_GTM_PUTMSG(ofname.addr, realfiletag, TAG_UNTAGGED, errno);
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} else
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{
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if (-1 == gtm_zos_set_tag(fd, TAG_EBCDIC, TAG_TEXT, TAG_FORCE, &realfiletag))
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TAG_POLICY_GTM_PUTMSG(ofname.addr, realfiletag, TAG_EBCDIC, errno);
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}
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#endif
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status=TRUE;
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} else
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util_out_print("Error getting FILE name", TRUE);
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}
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return status;
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}
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/* Close the file I/O and restore stderr */
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void close_fileio(int *save_stderr)
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{
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int dup2_res;
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int rc;
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DUP2(*save_stderr, SYS_STDERR, dup2_res);
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CLOSEFILE_RESET(*save_stderr, rc); /* resets "*save_stderr" to FD_INVALID */
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*save_stderr = SYS_STDERR;
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}
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