83 lines
1.4 KiB
C
83 lines
1.4 KiB
C
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/* Test 14. unlinking an open file. */
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#include <sys/types.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 <stdio.h>
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#define TRIALS 100
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#define MAX_ERROR 4
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char name[20] = {"TMP14."};
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int errct;
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int subtest = 1;
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_PROTOTYPE(int main, (void));
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_PROTOTYPE(void e, (int n));
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_PROTOTYPE(void quit, (void));
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int main()
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{
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int fd0, i, pid;
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printf("Test 14 ");
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fflush(stdout);
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system("rm -rf DIR_14; mkdir DIR_14");
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chdir("DIR_14");
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pid = getpid();
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name[6] = (pid & 037) + 33;
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name[7] = ((pid * pid) & 037) + 33;
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name[8] = 0;
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for (i = 0; i < TRIALS; i++) {
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if ( (fd0 = creat(name, 0777)) < 0) e(1);
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if (write(fd0, name, 20) != 20) e(2);
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if (unlink(name) != 0) e(3);
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if (close(fd0) != 0) e(4);
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}
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fd0 = creat(name, 0777);
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write(fd0, name, 20);
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unlink(name);
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quit();
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return(-1); /* impossible */
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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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