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5c30841fe7
This is not a proper bug but the code is clearer now and we are tracking failure of open separate from that of close. Michael (This used to be commit 451fc9ae05f841883081a334e179cf31625a772c)
125 lines
2.4 KiB
C
125 lines
2.4 KiB
C
/*
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test readdir/unlink pattern that OS/2 uses
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tridge@samba.org July 2005
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include <errno.h>
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#include <string.h>
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#include <fcntl.h>
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#define NUM_FILES 700
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#define READDIR_SIZE 100
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#define DELETE_SIZE 4
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#define TESTDIR "test.dir"
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static int test_readdir_os2_delete_ret;
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#define FAILED(d) (printf("failure: readdir [\nFailed for %s - %d = %s\n]\n", d, errno, strerror(errno)), test_readdir_os2_delete_ret = 1, 1)
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#ifndef MIN
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#define MIN(a,b) ((a)<(b)?(a):(b))
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#endif
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static void cleanup(void)
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{
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/* I'm a lazy bastard */
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system("rm -rf " TESTDIR);
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mkdir(TESTDIR, 0700) == 0 || FAILED("mkdir");
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}
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static void create_files(void)
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{
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int i;
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for (i=0;i<NUM_FILES;i++) {
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char fname[40];
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int fd;
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sprintf(fname, TESTDIR "/test%u.txt", i);
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fd = open(fname, O_CREAT|O_RDWR, 0600);
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if (fd < 0) {
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FAILED("open");
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}
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if (close(fd) != 0) {
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FAILED("close");
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}
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}
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}
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static int os2_delete(DIR *d)
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{
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off_t offsets[READDIR_SIZE];
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int i, j;
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struct dirent *de;
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char names[READDIR_SIZE][30];
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/* scan, remembering offsets */
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for (i=0, de=readdir(d);
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de && i < READDIR_SIZE;
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de=readdir(d), i++) {
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offsets[i] = telldir(d);
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strcpy(names[i], de->d_name);
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}
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if (i == 0) {
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return 0;
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}
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/* delete the first few */
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for (j=0; j<MIN(i, DELETE_SIZE); j++) {
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char fname[40];
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sprintf(fname, TESTDIR "/%s", names[j]);
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unlink(fname) == 0 || FAILED("unlink");
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}
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/* seek to just after the deletion */
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seekdir(d, offsets[j-1]);
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/* return number deleted */
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return j;
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}
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int test_readdir_os2_delete(void)
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{
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int total_deleted = 0;
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DIR *d;
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struct dirent *de;
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test_readdir_os2_delete_ret = 0;
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cleanup();
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create_files();
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d = opendir(TESTDIR "/test0.txt");
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if (d != NULL) FAILED("opendir() on file succeed");
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if (errno != ENOTDIR) FAILED("opendir() on file didn't give ENOTDIR");
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d = opendir(TESTDIR);
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/* skip past . and .. */
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de = readdir(d);
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strcmp(de->d_name, ".") == 0 || FAILED("match .");
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de = readdir(d);
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strcmp(de->d_name, "..") == 0 || FAILED("match ..");
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while (1) {
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int n = os2_delete(d);
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if (n == 0) break;
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total_deleted += n;
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}
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closedir(d);
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fprintf(stderr, "Deleted %d files of %d\n", total_deleted, NUM_FILES);
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rmdir(TESTDIR) == 0 || FAILED("rmdir");
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system("rm -rf " TESTDIR);
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return test_readdir_os2_delete_ret;
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}
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