7
for (char** str = environ; *str; str++) {
12
printf("getenv(PATH): %s\n", getenv("PATH"));
13
printf("getenv(NONEXISTENT): %s\n", getenv("NONEXISTENT"));
15
printf("setenv/0(PATH) ret: %d\n", setenv("PATH", "test", 0));
16
printf("getenv(PATH) after setenv/0: %s\n", getenv("PATH"));
17
printf("setenv/1(PATH) ret: %d\n", setenv("PATH", "test2", 1));
18
printf("getenv(PATH) after setenv/1: %s\n", getenv("PATH"));
20
printf("setenv(SET_VALUE) ret: %d\n", setenv("SET_VALUE", "test3", 0));
21
printf("setenv(SET_VALUE2) ret: %d\n", setenv("SET_VALUE2", "test4", 1));
22
printf("getenv(SET_VALUE): %s\n", getenv("SET_VALUE"));
23
printf("getenv(SET_VALUE2): %s\n", getenv("SET_VALUE2"));
25
char buffer[] = "PUT_VALUE=test5";
26
printf("putenv(PUT_VALUE) ret: %d\n", putenv(buffer));
27
printf("getenv(PUT_VALUE): %s\n", getenv("PUT_VALUE"));
28
// NOTE: This should change the value. In our implementation, it doesn't.
30
printf("getenv(PUT_VALUE) after alteration: %s\n", getenv("PUT_VALUE"));
32
printf("unsetenv(PUT_VALUE) ret: %d\n", unsetenv("PUT_VALUE"));
33
printf("getenv(PUT_VALUE) after unsetenv: %s\n", getenv("PUT_VALUE"));
35
printf("setenv(0) ret: %d\n", setenv(0, "foo", 1));
36
printf("setenv('') ret: %d\n", setenv("", "foo", 1));
37
printf("setenv(X=Y) ret: %d\n", setenv("X=Y", "foo", 1));
38
printf("unsetenv(0) ret: %d\n", unsetenv(0));
39
printf("unsetenv('') ret: %d\n", unsetenv(""));
40
printf("unsetenv(X=Y) ret: %d\n", unsetenv("X=Y"));