1 /* Tests sendfilev with bogus inputs. */ 2 3 #include <errno.h> 4 #include <fcntl.h> 5 #include <stdio.h> 6 #include <string.h> 7 #include <strings.h> 8 #include <unistd.h> 9 #include <sys/sendfile.h> 10 11 #define CHUNK (8 * 1024) 12 #define TEST_FILE "sendfile.test" 13 14 int main(int argc, const char *argv[]) 15 { 16 int test_fd = open(TEST_FILE, O_WRONLY | O_CREAT, 0666); 17 if (test_fd < 0) { 18 int error = errno; 19 fprintf(stderr, "open failed: %s (%d).\n", strerror(error), error); 20 return 1; 21 } 22 23 char chunk1[CHUNK]; 24 bzero(&chunk1, sizeof(chunk1)); 25 ssize_t nbytes = write(test_fd, &chunk1, sizeof(chunk1)); 26 if (nbytes != CHUNK) { 27 int error = errno; 28 fprintf(stderr, "write failed (nbytes=%zd): %s (%d).\n", 29 nbytes, strerror(error), error); 30 return 1; 31 } 32 33 close(test_fd); 34 printf("Test file created.\n"); 35 36 test_fd = open(TEST_FILE, O_RDWR, 0666); 37 if (test_fd < 0) { 38 int error = errno; 39 fprintf(stderr, "open failed: %s (%d).\n", strerror(error), error); 40 return 1; 41 } 42 43 sendfilevec_t vec[2]; 44 vec[0].sfv_fd = SFV_FD_SELF; 45 vec[0].sfv_off = -1; 46 vec[0].sfv_len = 1; 47 vec[0].sfv_flag = 0; 48 vec[1].sfv_fd = test_fd; 49 vec[1].sfv_off = 0; 50 vec[1].sfv_len = CHUNK; 51 vec[1].sfv_flag = 0; 52 size_t xferred; 53 54 nbytes = sendfilev(test_fd, vec, 2, &xferred); 55 if (nbytes < 0) { 56 if (errno == EFAULT) { 57 printf("Received EFAULT as expected.\n"); 58 } else { 59 fprintf(stderr, "Expected EFAULT, got %d.\n", errno); 60 } 61 } else { 62 fprintf(stderr, "Error: sendfilev returned a positive value.\n"); 63 } 64 65 nbytes = sendfilev(test_fd, vec, -1, &xferred); 66 if (nbytes < 0) { 67 if (errno == EINVAL) { 68 printf("Received EINVAL as expected.\n"); 69 } else { 70 fprintf(stderr, "Expected EINVAL, got %d.\n", errno); 71 } 72 } else { 73 fprintf(stderr, "Error: sendfilev returned a positive value.\n"); 74 } 75 76 vec[0].sfv_off = (off_t) "HEADER"; 77 vec[0].sfv_len = 6; 78 nbytes = sendfilev(test_fd, vec, 1, &xferred); 79 if (nbytes < 0) { 80 int error = errno; 81 fprintf(stderr, "sendfilev failed: %s (%d).\n", strerror(error), error); 82 } else { 83 printf("sendfilev for the first buffer succeeded.\n"); 84 } 85 86 unlink(TEST_FILE); 87 return 0; 88 } 89
