Differential D18935 Diff 53131 head/lib/libc/tests/sys/sendfile_test.c

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head/lib/libc/tests/sys/sendfile_test.c

Show First 20 Lines • Show All 283 Lines • ▼ Show 20 Lines	verify_source_and_dest(const char* dest_filename, int src_fd, off_t offset,
/*		/*
* Per sendfile(2), "send the whole file" (paraphrased). This means		* Per sendfile(2), "send the whole file" (paraphrased). This means
* that we need to grab the file size, as passing in length = 0 with		* that we need to grab the file size, as passing in length = 0 with
* mmap(2) will result in a failure with EINVAL (length = 0 is invalid).		* mmap(2) will result in a failure with EINVAL (length = 0 is invalid).
*/		*/
length = (nbytes == 0) ? (size_t)(src_file_size - offset) : nbytes;		length = (nbytes == 0) ? (size_t)(src_file_size - offset) : nbytes;

ATF_REQUIRE_EQ_MSG(dest_file_size, length,		ATF_REQUIRE_EQ_MSG(dest_file_size, length,
"number of bytes written out to %s (%ju) doesn't match the "		"number of bytes written out to %s (%zu) doesn't match the "
"expected number of bytes (%ju)", dest_filename, dest_file_size,		"expected number of bytes (%zu)", dest_filename, dest_file_size,
length);		length);

ATF_REQUIRE_EQ_MSG(0, lseek(src_fd, offset, SEEK_SET),		ATF_REQUIRE_EQ_MSG(0, lseek(src_fd, offset, SEEK_SET),
"lseek failed: %s", strerror(errno));		"lseek failed: %s", strerror(errno));

dest_pointer = mmap(NULL, length, PROT_READ, MAP_PRIVATE, dest_fd, 0);		dest_pointer = mmap(NULL, length, PROT_READ, MAP_PRIVATE, dest_fd, 0);
ATF_REQUIRE_MSG(dest_pointer != MAP_FAILED, "mmap failed: %s",		ATF_REQUIRE_MSG(dest_pointer != MAP_FAILED, "mmap failed: %s",
strerror(errno));		strerror(errno));
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