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Viewing changes to src/testcases/open_close.c

  • Committer: Dustin Kirkland
  • Date: 2016-02-27 00:00:23 UTC
  • Revision ID: kirkland@ubuntu.com-20160227000023-h0e4oui5y1vbaurd
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src/testcases/open_close.c
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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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#include <stdio.h>
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#include <errno.h>
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int main(int argc, char *argv[])
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{
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        char *filename;
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        int fd;
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        int i;
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        int iterations;
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        int do_close = 1;
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        int rc;
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        if (argc < 3) {
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                printf("Usage: open_close <path> [iterations]\n");
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                return 1;
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        }
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        iterations = atoi(argv[2]);
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        if (argc == 4)
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                do_close = 0;
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        printf("file base [%s]; iterations = [%d]\n", argv[1], iterations);
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        for (i = 0; i < iterations; i++) {
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                rc = asprintf(&filename, "%s/file%d", argv[1], i);
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                if (rc == -1) {
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                        printf("Out of memory\n");
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                        return 1;
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                }
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                fd = open(filename, (O_CREAT | O_EXCL));
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                if (fd == -1) {
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                        printf("Error creating file [%s]; errno = [%d]; "
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                               "string = [%m].  Died on iteration [%d].\n",
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                               filename, errno, i);
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                        return 1;
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                }
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                if (do_close)
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                        close(fd);
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                rc = unlink(filename);
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                if (rc == -1) {
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                        printf("Error unlinking file [%s]; errno = [%d]; "
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                               "string = [%m]\n", filename, errno);
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                }
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                free(filename); 
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        }
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        return 0;
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}