42 lines
760 B
C
42 lines
760 B
C
/*
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* Copyright (c) 2014 Wind River Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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*/
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#include <unistd.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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/* helper app to fsync a single file/directory */
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int main(int argc, char **argv)
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{
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int fd,rc;
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if (argc != 2) {
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printf("usage: %s <path/to/file>\n", argv[0]);
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return -1;
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}
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fd = open(argv[1], O_RDONLY);
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if (fd == -1) {
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printf("unable to open file %s: %m\n", argv[1]);
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return -1;
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}
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rc = fsync(fd);
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if (rc == -1) {
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printf("error fsyncing file %s: %m\n", argv[1]);
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}
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if (close(fd) == -1) {
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printf("error closing file %s: %m\n", argv[1]);
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}
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return rc;
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}
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