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/* Tests sendfilev with bogus inputs. */
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>
#include <sys/sendfile.h>
#define CHUNK (8 * 1024)
#define TEST_FILE "sendfile.test"
int main(int argc, const char *argv[])
{
int test_fd = open(TEST_FILE, O_WRONLY | O_CREAT, 0666);
if (test_fd < 0) {
int error = errno;
fprintf(stderr, "open failed: %s (%d).\n", strerror(error), error);
return 1;
}
char chunk1[CHUNK];
bzero(&chunk1, sizeof(chunk1));
ssize_t nbytes = write(test_fd, &chunk1, sizeof(chunk1));
if (nbytes != CHUNK) {
int error = errno;
fprintf(stderr, "write failed (nbytes=%zd): %s (%d).\n",
nbytes, strerror(error), error);
return 1;
}
close(test_fd);
printf("Test file created.\n");
test_fd = open(TEST_FILE, O_RDWR, 0666);
if (test_fd < 0) {
int error = errno;
fprintf(stderr, "open failed: %s (%d).\n", strerror(error), error);
return 1;
}
sendfilevec_t vec[2];
vec[0].sfv_fd = SFV_FD_SELF;
vec[0].sfv_off = -1;
vec[0].sfv_len = 1;
vec[0].sfv_flag = 0;
vec[1].sfv_fd = test_fd;
vec[1].sfv_off = 0;
vec[1].sfv_len = CHUNK;
vec[1].sfv_flag = 0;
size_t xferred;
nbytes = sendfilev(test_fd, vec, 2, &xferred);
if (nbytes < 0) {
if (errno == EFAULT) {
printf("Received EFAULT as expected.\n");
} else {
fprintf(stderr, "Expected EFAULT, got %d.\n", errno);
}
} else {
fprintf(stderr, "Error: sendfilev returned a positive value.\n");
}
nbytes = sendfilev(test_fd, vec, -1, &xferred);
if (nbytes < 0) {
if (errno == EINVAL) {
printf("Received EINVAL as expected.\n");
} else {
fprintf(stderr, "Expected EINVAL, got %d.\n", errno);
}
} else {
fprintf(stderr, "Error: sendfilev returned a positive value.\n");
}
vec[0].sfv_off = (off_t) "HEADER";
vec[0].sfv_len = 6;
nbytes = sendfilev(test_fd, vec, 1, &xferred);
if (nbytes < 0) {
int error = errno;
fprintf(stderr, "sendfilev failed: %s (%d).\n", strerror(error), error);
} else {
printf("sendfilev for the first buffer succeeded.\n");
}
unlink(TEST_FILE);
return 0;
}
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