File: iob_open_wt.c

package info (click to toggle)
fis-gtm 7.1-006-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 32,908 kB
  • sloc: ansic: 344,906; asm: 5,184; csh: 4,859; sh: 2,000; awk: 294; makefile: 73; sed: 13
file content (62 lines) | stat: -rwxr-xr-x 1,583 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
/****************************************************************
 *								*
 * Copyright (c) 2001-2024 Fidelity National Information	*
 * Services, Inc. and/or its subsidiaries. All rights reserved.	*
 *								*
 *	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.	*
 *								*
 ****************************************************************/

/* iob_open - buffered I/O with GT.M error signaling

   Open a file in write-only mode.

   BFILE *iob_open_wt(char *path, int bufsiz)

	path:		file to open
	blksiz:		size of I/O block
	blkfactor:	blocks to buffer for output (blocking factor)

	return value:
	File structure for use with other buffered I/O routines.

*/

#include "mdef.h"

#include <errno.h>
#include <sys/types.h>

#include "gtm_string.h"
#include "gtm_unistd.h"
#include "gtm_fcntl.h"
#include "gtm_stat.h"

#include "iob.h"

BFILE *iob_open_wt(char *path, int blksiz, int blkfactor)
{
    int fd;
    BFILE *file;

    if (FD_INVALID == (fd = OPEN3(path,O_WRONLY | O_CREAT,0)))
	return NULL;

    file = malloc(SIZEOF(BFILE));
    file->fd = fd;
    file->path = malloc(strlen(path) + 1);
    strcpy(file->path, path);
    file->oflag = O_WRONLY | O_CREAT;
    file->mode = 0;
    file->blksiz = blksiz;
    file->bufsiz = blksiz * blkfactor;
    file->buf = malloc(file->bufsiz);
    file->bptr = file->buf;
    file->remaining = file->bufsiz;
    file->write_mode = TRUE;

    return file;
}