1 #include "tests.h" 2 3 #include <asm/unistd.h> 4 5 #ifdef __NR_getcwd 6 7 # include <limits.h> 8 # include <stdio.h> 9 # include <unistd.h> 10 11 int 12 main(void) 13 { 14 long res; 15 char cur_dir[PATH_MAX + 1]; 16 static const size_t bogus_size = (size_t) 0xbadc0deddeadfaceULL; 17 18 res = syscall(__NR_getcwd, cur_dir, sizeof(cur_dir)); 19 20 if (res <= 0) 21 perror_msg_and_fail("getcwd"); 22 23 printf("getcwd("); 24 print_quoted_string(cur_dir); 25 printf(", %zu) = %ld\n", sizeof(cur_dir), res); 26 27 res = syscall(__NR_getcwd, cur_dir, 0); 28 printf("getcwd(%p, 0) = %s\n", cur_dir, sprintrc(res)); 29 30 res = syscall(__NR_getcwd, NULL, bogus_size); 31 printf("getcwd(NULL, %zu) = %s\n", bogus_size, sprintrc(res)); 32 33 res = syscall(__NR_getcwd, (void *) -1L, sizeof(cur_dir)); 34 printf("getcwd(%p, %zu) = %s\n", 35 (void *) -1L, sizeof(cur_dir), sprintrc(res)); 36 37 puts("+++ exited with 0 +++"); 38 39 return 0; 40 } 41 42 #else 43 44 SKIP_MAIN_UNDEFINED("__NR_getcwd"); 45 46 #endif 47
