#include "ad_lock.h"
-#if defined(LINUX_BROKEN_SENDFILE_API)
-
-extern int32_t sendfile (int fdout, int fdin, int32_t *offset, u_int32_t count);
+#if defined(SENDFILE_FLAVOR_LINUX)
+#include <sys/sendfile.h>
ssize_t sys_sendfile(int tofd, int fromfd, off_t *offset, size_t count)
{
-u_int32_t small_total;
-int32_t small_offset;
-int32_t nwritten;
-
- /*
- * Fix for broken Linux 2.4 systems with no working sendfile64().
- * If the offset+count > 2 GB then pretend we don't have the
- * system call sendfile at all. The upper layer catches this
- * and uses a normal read. JRA.
- */
-
- if ((sizeof(off_t) >= 8) && (*offset + count > (off_t)0x7FFFFFFF)) {
- errno = ENOSYS;
- return -1;
- }
- small_offset = (int32_t)*offset;
- small_total = (u_int32_t)count;
- nwritten = sendfile(tofd, fromfd, &small_offset, small_total);
- if (nwritten > = 0)
- *offset += nwritten;
-
- return nwritten;
+ return sendfile(tofd, fromfd, offset, count);
}
-#elif defined(SENDFILE_FLAVOR_LINUX)
+#elif defined(SENDFILE_FLAVOR_SOLARIS)
#include <sys/sendfile.h>
ssize_t sys_sendfile(int tofd, int fromfd, off_t *offset, size_t count)
}
#elif defined(SENDFILE_FLAVOR_BSD )
-/* FIXME untested */
-#error sendfile semantic broken
-#include <sys/sendfile.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
ssize_t sys_sendfile(int tofd, int fromfd, off_t *offset, size_t count)
{
-size_t total=0;
-int ret;
-
- total = count;
- while (total) {
- ssize_t nwritten;
- do {
- ret = sendfile(fromfd, tofd, offset, count, NULL, &nwritten, 0);
- while (ret == -1 && errno == EINTR);
- if (ret == -1)
- return -1;
- total -= nwritten;
- offset += nwritten;
- }
- return count;
+ off_t len;
+ int ret;
+
+ ret = sendfile(fromfd, tofd, *offset, count, NULL, &len, 0);
+
+ *offset += len;
+
+ if (ret != 0)
+ return -1;
+ return len;
}
#else