minix/test/t11a.c

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2005-04-21 16:53:53 +02:00
/* t11a */
#include <sys/types.h>
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#define MAX_ERROR 4
int errct, subtest=1;
_PROTOTYPE(int main, (int argc, char *argv [], char *envp []));
_PROTOTYPE(int diff, (char *s1, char *s2));
_PROTOTYPE(void e, (int n));
int main(argc, argv, envp)
int argc;
char *argv[], *envp[];
{
/* See if arguments passed ok. */
char aa[4];
if (diff(argv[0], "t11a")) e(21);
if (diff(argv[1], "arg0")) e(22);
if (diff(argv[2], "arg1")) e(23);
if (diff(argv[3], "arg2")) e(24);
if (diff(envp[0], "spring")) e(25);
if (diff(envp[1], "summer")) e(26);
if (argc != 4) e(27);
/* Now see if the files are ok. */
if (read(3, aa, 4) != 2) e(28);
if (aa[0] != 7 || aa[1] != 9) e(29);
if (getuid() == 10) e(30);
if (geteuid() != 10) e(31);
if (getgid() == 20) e(32);
if (getegid() != 20) e(33);
if (open("t1", 0) < 0) e(34);
if (open("t2", 0) < 0) e(35);
exit(100);
}
int diff(s1, s2)
char *s1, *s2;
{
while (1) {
if (*s1 == 0 && *s2 == 0) return(0);
if (*s1 != *s2) return (1);
s1++;
s2++;
}
}
void e(n)
int n;
{
printf("Subtest %d, error %d errno=%d ", subtest, n, errno);
perror("");
if (errct++ > MAX_ERROR) {
printf("Too many errors; test aborted\n");
chdir("..");
system("rm -rf DIR*");
exit(1);
}
}