1 #include <errno.h>
2 #include <stdio.h>
3 #include <stdlib.h>
4 #include <string.h>
5 #include <unistd.h>
6 #include "test.h"
7 
8 #define TEST(c) do { \
9 	errno = 0; \
10 	if (!(c)) \
11 		t_error("%s failed (errno = %d)\n", #c, errno); \
12 } while(0)
13 
fdopen_1null14 void fdopen_1()
15 {
16 	char tmp[] = "/data/local/tmp/testsuite-XXXXXX";
17 	char foo[6];
18 	int fd;
19 	FILE *f;
20 
21 	TEST((fd = mkstemp(tmp)) > 2);
22 	TEST(write(fd, "hello", 6)==6);
23 	TEST(f = fdopen(fd, "rb"));
24 	if (f) {
25 		TEST(ftello(f)==6);
26 		TEST(fseeko(f, 0, SEEK_SET)==0);
27 		TEST(fgets(foo, sizeof foo, f));
28 		if (strcmp(foo,"hello") != 0)
29 			t_error("fgets read back: \"%s\"; wanted: \"hello\"\n", foo);
30 		fclose(f);
31 	}
32 	if (fd > 2)
33 		TEST(unlink(tmp) != -1);
34 }
35 
fdopen_2null36 void fdopen_2()
37 {
38 	FILE *f = fdopen(-1, "w");
39 	TEST(f == NULL);
40 	printf("f == %p\n", f);
41 }
42 
main(void)43 int main(void)
44 {
45 	fdopen_1();
46 	fdopen_2();
47 	return t_status;
48 }
49