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aae48bc9f7
* we use `mkstemp` to create the temporary file since it's a general function in linux system and O_TMPFILE is not supported on all linux system. * add `struct tmpfile` to keep the `dirfd`, temp file `fd` and the filename. Co-developed-by: Wenjie Wang <wenjie2.wang@intel.com> Signed-off-by: Wenjie Wang <wenjie2.wang@intel.com> Co-developed-by: Gongjun Song <gongjun.song@intel.com> Signed-off-by: Gongjun Song <gongjun.song@intel.com> Signed-off-by: Dan He <dan.h.he@intel.com> Signed-off-by: Qingqing Li <qingqing.li@intel.com> Signed-off-by: Yuchi Chen <yuchi.chen@intel.com> Link: https://github.com/kmod-project/kmod/pull/305 Signed-off-by: Lucas De Marchi <lucas.de.marchi@gmail.com>
34 lines
642 B
C
34 lines
642 B
C
// SPDX-License-Identifier: LGPL-2.1-or-later
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/*
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* Copyright (C) 2025 Intel Corporation.
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*/
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#pragma once
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#include <stdio.h>
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#include <linux/limits.h>
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#include <shared/macro.h>
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struct tmpfile {
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char tmpname[PATH_MAX];
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int dirfd;
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int fd;
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};
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/*
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* Create a temporary file at the directory of `dirfd`
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*/
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_must_check_ _nonnull_(3) FILE *tmpfile_openat(int dirfd, mode_t mode,
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struct tmpfile *file);
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/*
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* Move the temporary file to `targetname`
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*/
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_nonnull_all_ int tmpfile_publish(struct tmpfile *file, const char *targetname);
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/*
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* Delete the temporary file
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*/
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_nonnull_all_ void tmpfile_release(struct tmpfile *file);
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