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/*-
* Copyright (c) 2014-2015 MongoDB, Inc.
* Copyright (c) 2008-2014 WiredTiger, Inc.
* All rights reserved.
*
* See the file LICENSE for redistribution information.
*/
#include "wt_internal.h"
/*
* __wt_fopen --
* Open a FILE handle.
*/
int
__wt_fopen(WT_SESSION_IMPL *session,
const char *name, WT_FHANDLE_MODE mode_flag, u_int flags, FILE **fpp)
{
WT_DECL_RET;
const char *mode, *path;
char *pathbuf;
WT_RET(__wt_verbose(session, WT_VERB_FILEOPS, "%s: fopen", name));
pathbuf = NULL;
if (LF_ISSET(WT_FOPEN_FIXED))
path = name;
else {
WT_RET(__wt_filename(session, name, &pathbuf));
path = pathbuf;
}
mode = NULL;
switch (mode_flag) {
case WT_FHANDLE_APPEND:
mode = WT_FOPEN_APPEND;
break;
case WT_FHANDLE_READ:
mode = WT_FOPEN_READ;
break;
case WT_FHANDLE_WRITE:
mode = WT_FOPEN_WRITE;
break;
}
*fpp = fopen(path, mode);
if (*fpp == NULL)
ret = __wt_errno();
if (pathbuf != NULL)
__wt_free(session, pathbuf);
if (ret == 0)
return (0);
WT_RET_MSG(session, ret, "%s: fopen", name);
}
/*
* __wt_vfprintf --
* Vfprintf for a FILE handle.
*/
int
__wt_vfprintf(FILE *fp, const char *fmt, va_list ap)
{
return (vfprintf(fp, fmt, ap) < 0 ? __wt_errno() : 0);
}
/*
* __wt_fprintf --
* Fprintf for a FILE handle.
*/
int
__wt_fprintf(FILE *fp, const char *fmt, ...)
WT_GCC_FUNC_ATTRIBUTE((format (printf, 2, 3)))
{
WT_DECL_RET;
va_list ap;
va_start(ap, fmt);
ret = __wt_vfprintf(fp, fmt, ap);
va_end(ap);
return (ret);
}
/*
* __wt_fflush --
* Flush a FILE handle.
*/
int
__wt_fflush(FILE *fp)
{
/* Flush the handle. */
return (fflush(fp) == 0 ? 0 : __wt_errno());
}
/*
* __wt_fclose --
* Close a FILE handle.
*/
int
__wt_fclose(FILE **fpp, WT_FHANDLE_MODE mode_flag)
{
FILE *fp;
WT_DECL_RET;
if (*fpp == NULL)
return (0);
fp = *fpp;
*fpp = NULL;
/*
* If the handle was opened for writing, flush the file to the backing
* OS buffers, then flush the OS buffers to the backing disk.
*/
if (mode_flag == WT_FHANDLE_APPEND || mode_flag == WT_FHANDLE_WRITE) {
ret = __wt_fflush(fp);
if (fsync(fileno(fp)) != 0)
WT_TRET(__wt_errno());
}
/* Close the handle. */
if (fclose(fp) != 0)
WT_TRET(__wt_errno());
return (ret);
}
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