255ae85b1e
POSIX truncate specification says "Upon successful completion, if the *file size is changed*, this function shall mark for update the st_ctime and st_mtime fields of the file." This patch prevents changing of the date fields when the size stays the same.
261 lines
6.7 KiB
C
261 lines
6.7 KiB
C
/* test 16 */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <utime.h>
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#include <stdio.h>
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#define MAX_ERROR 4
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int errct, subtest, passes;
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_PROTOTYPE(int main, (int argc, char *argv []));
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_PROTOTYPE(void test16a, (void));
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_PROTOTYPE(void get_times, (char *name, time_t *a, time_t *c, time_t *m));
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_PROTOTYPE(void e, (int n));
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_PROTOTYPE(void quit, (void));
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int main(argc, argv)
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int argc;
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char *argv[];
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{
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int i, m;
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m = (argc == 2 ? atoi(argv[1]) : 0xFFFF);
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system("rm -rf DIR_16; mkdir DIR_16");
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chdir("DIR_16");
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printf("Test 16 ");
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fflush(stdout);
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for (i = 0; i < 4; i++) {
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if (m & 0001) test16a();
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passes++;
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}
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quit();
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return(-1); /* impossible */
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}
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void test16a()
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{
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/* Test atime, ctime, and mtime. */
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int fd, fd1, fd2, fd3, fd4;
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time_t a, c, m, pa, pc, pm, xa, xc, xm, ya, yc, ym, za, zc, zm, ta, tc, tm;
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time_t wa, wc, wm;
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char buf[1024];
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struct stat s;
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subtest = 1;
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if (passes > 0) return; /* takes too long to repeat this test */
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if ( (fd = creat("T16.a", 0666)) < 0) e(1);
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if (write(fd, buf, 1024) != 1024) e(2);
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if (close(fd) < 0) e(3);
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sleep(1); /* wait 1 sec before continuing */
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if ( (fd = open("T16.a", O_RDONLY)) < 0) e(4);
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if (read(fd, buf, 3) != 3) e(5);
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if (close(fd) != 0) e(6);
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if (stat("T16.a", &s) != 0) e(7);
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a = s.st_atime;
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c = s.st_ctime;
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m = s.st_mtime;
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if (a == 0) {
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/* Almost certainly means we are running a V1 file system. */
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printf(" (atime = 0. Probably V1 file system. V2 tests skipped.) ");
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return;
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}
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/* Many system calls affect atime, ctime, and mtime. Test them. They
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* fall into several groups. The members of each group can be tested
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* together. Start with creat(), mkdir(), and mkfifo, all of which
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* set all 3 times on the created object, and ctime and mtime of the dir.
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*/
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if ( (fd = creat("T16.b", 0666)) < 0) e(8);
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if (close(fd) != 0) e(9);
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get_times("T16.b", &a, &c, &m);
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get_times(".", &pa, &pc, &pm);
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if (a != c) e(10);
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if (a != m) e(11);
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if (a != pc) e(12);
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if (a != pm) e(13);
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if (unlink("T16.b") < 0) e(14);
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/* Test the times for mkfifo. */
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if ( (fd = mkfifo("T16.c", 0666)) != 0) e(15);
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if (access("T16.c", R_OK | W_OK) != 0) e(16);
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get_times("T16.c", &a, &c, &m);
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get_times(".", &pa, &pc, &pm);
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if (a != c) e(17);
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if (a != m) e(18);
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if (a != pc) e(19);
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if (a != pm) e(20);
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if (unlink("T16.c") < 0) e(21);
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/* Test the times for mkdir. */
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if (mkdir("T16.d", 0666) < 0) e(22);
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get_times("T16.d", &a, &c, &m);
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get_times(".", &pa, &pc, &pm);
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if (a != c) e(23);
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if (a != m) e(24);
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if (a != pc) e(25);
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if (a != pm) e(26);
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sleep(1);
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if (rmdir("T16.d") < 0) e(27);
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get_times(".", &xa, &xc, &xm);
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if (c == xc) e(28);
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if (m == xm) e(29);
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if (xc != xm) e(30);
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/* Test open(file, O_TRUNC). */
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if ( (fd = open("T16.e", O_WRONLY|O_CREAT, 0666)) < 0) e(31);
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if (write(fd, buf, 1024) != 1024) e(32);
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if (close(fd) != 0) e(33);
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get_times("T16.e", &a, &c, &m);
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get_times(".", &pa, &pc, &pm);
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sleep(1);
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if ( (fd = open("T16.e", O_WRONLY|O_TRUNC)) < 0) e(34);
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get_times("T16.e", &xa, &xc, &xm);
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get_times(".", &ya, &yc, &ym);
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if (c != m) e(35);
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if (pc != pm) e(36);
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if (c == xc) e(37);
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if (m == xm) e(38);
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if (yc != pc) e(39);
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if (ym != pm) e(40);
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if (close(fd) != 0) e(41);
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/* Test the times for link/unlink. */
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get_times("T16.e", &a, &c, &m);
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get_times(".", &ya, &yc, &ym);
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sleep(1);
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if (link("T16.e", "T16.f") != 0) e(42); /* second link */
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get_times("T16.e", &xa, &xc, &xm);
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get_times(".", &pa, &pc, &pm);
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if (a != xa) e(43);
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if (m != xm) e(44);
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#ifndef V1_FILESYSTEM
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if (c == xc) e(45);
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#endif
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if (ya != pa) e(46);
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if (yc == pc) e(47);
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if (ym == pm) e(48);
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if (yc != ym) e(49);
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if (pc != pm) e(50);
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sleep(1);
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if (unlink("T16.f") != 0) e(46);
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get_times("T16.e", &a, &c, &m);
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get_times(".", &ya, &yc, &ym);
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if (a != xa) e(51);
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if (m != xm) e(52);
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#ifndef V1_FILESYSTEM
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if (c == xc) e(53);
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#endif
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if (pa != ya) e(54);
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if (pc == yc) e(55);
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if (pm == ym) e(56);
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if (yc != ym) e(57);
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if (unlink("T16.e") != 0) e(58);
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/* Test rename, read, write, chmod, utime. */
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get_times(".", &pa, &pc, &pm);
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if ( (fd = open("T16.g", O_RDWR|O_CREAT)) < 0) e(59);
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if ( (fd1 = open("T16.h", O_WRONLY|O_CREAT, 0666)) < 0) e(60);
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if ( (fd2 = open("T16.i", O_WRONLY|O_CREAT, 0666)) < 0) e(61);
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if ( (fd3 = open("T16.j", O_WRONLY|O_CREAT, 0666)) < 0) e(62);
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if ( (fd4 = open("T16.k", O_RDWR|O_CREAT, 0666)) < 0) e(63);
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if (write(fd, buf, 1024) != 1024) e(64);
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get_times("T16.g", &a, &c, &m);
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get_times("T16.h", &pa, &pc, &pm);
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get_times("T16.i", &xa, &xc, &xm);
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get_times("T16.j", &ya, &yc, &ym);
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get_times("T16.k", &za, &zc, &zm);
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get_times(".", &wa, &wc, &wm);
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sleep(1);
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lseek(fd, 0L, SEEK_SET);
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if (read(fd, buf, 35) != 35) e(65);
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get_times("T16.g", &ta, &tc, &tm);
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if (a == ta || c != tc || m != tm) e(66);
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if (write(fd1, buf, 35) != 35) e(67);
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get_times("T16.h", &ta, &tc, &tm);
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if (pa != ta || pc == tc || pm == tm) e(69);
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if (rename("T16.i", "T16.i1") != 0) e(70);
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get_times("T16.i1", &ta, &tc, &tm);
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if (xa != ta || xc != tc || xm != tm) e(71);
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get_times(".", &a, &c, &m);
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if (a != wa || c == wc || m == wm || wc != wm) e(72);
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if (chmod("T16.j", 0777) != 0) e(73);
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get_times("T16.j", &ta, &tc, &tm);
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if (ya != ta || yc == tc || ym != tm) e(74);
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if (utime("T16.k", (void *) 0) != 0) e(75);
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get_times("T16.k", &ta, &tc, &tm);
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if (za == ta || zc == tc) e(76);
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if (close(fd) != 0) e(77);
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if (close(fd1) != 0) e(78);
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if (close(fd2) != 0) e(79);
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if (close(fd3) != 0) e(80);
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if (close(fd4) != 0) e(81);
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if (unlink("T16.g") != 0) e(82);
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if (unlink("T16.h") != 0) e(83);
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if (unlink("T16.i1") != 0) e(84);
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if (unlink("T16.j") != 0) e(85);
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if (unlink("T16.k") != 0) e(86);
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/* Test the times for truncate. */
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if (system("echo 1 > T16.l") != 0) e(87);
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stat("T16.l", &s);
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get_times("T16.l", &a, &c, &m);
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sleep(1);
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truncate("T16.l", s.st_size);
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get_times("T16.l", &ta, &tc, &tm);
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if (a != ta || c != tc || m != tm) e(88);
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}
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void get_times(name, a, c, m)
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char *name;
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time_t *a, *c, *m;
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{
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struct stat s;
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if (stat(name, &s) != 0) e(500);
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*a = s.st_atime;
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*c = s.st_ctime;
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*m = s.st_mtime;
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}
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void e(n)
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int n;
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{
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int err_num = errno; /* save errno in case printf clobbers it */
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printf("Subtest %d, error %d errno=%d ", subtest, n, errno);
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errno = err_num; /* restore errno, just in case */
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perror("");
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if (errct++ > MAX_ERROR) {
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printf("Too many errors; test aborted\n");
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chdir("..");
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system("rm -rf DIR*");
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exit(1);
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}
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}
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void quit()
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{
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chdir("..");
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system("rm -rf DIR*");
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if (errct == 0) {
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printf("ok\n");
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exit(0);
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} else {
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printf("%d errors\n", errct);
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exit(1);
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}
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}
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