]> wimlib.net Git - wimlib/blobdiff - src/file_io.c
Add support for special files on UNIX
[wimlib] / src / file_io.c
index 94f1ced53d5db62e6ceb2aeded40713f62b73674..752c1121e8ee5f388452cc8bb9cfc8c927ef9c65 100644 (file)
@@ -30,8 +30,6 @@
 #include "wimlib/util.h"
 #ifdef __WIN32__
 #  include "wimlib/win32.h" /* For pread(), pwrite() replacements */
-#else
-#  include <sys/uio.h> /* for writev() and `struct iovec' */
 #endif
 
 #include <errno.h>
@@ -126,7 +124,7 @@ full_pread(struct filedes *fd, void *buf, size_t count, off_t offset)
        for (bytes_remaining = count;
             bytes_remaining != 0;
             bytes_remaining -= bytes_read, buf += bytes_read,
-               offset += bytes_read)
+               offset += bytes_read)
        {
                bytes_read = pread(fd->fd, buf, bytes_remaining, offset);
                if (unlikely(bytes_read <= 0)) {
@@ -194,7 +192,7 @@ full_pwrite(struct filedes *fd, const void *buf, size_t count, off_t offset)
        for (bytes_remaining = count;
             bytes_remaining != 0;
             bytes_remaining -= bytes_written, buf += bytes_written,
-               offset += bytes_written)
+               offset += bytes_written)
        {
                bytes_written = pwrite(fd->fd, buf, bytes_remaining, offset);
                if (unlikely(bytes_written < 0)) {
@@ -206,43 +204,6 @@ full_pwrite(struct filedes *fd, const void *buf, size_t count, off_t offset)
        return 0;
 }
 
-/* Wrapper around writev() that checks for errors and keep retrying until all
- * requested bytes have been written.
- *
- * Return values:
- *     WIMLIB_ERR_SUCCESS      (0)
- *     WIMLIB_ERR_WRITE        (errno set)
- * */
-int
-full_writev(struct filedes *fd, struct iovec *iov, int iovcnt)
-{
-       size_t total_bytes_written = 0;
-       while (iovcnt > 0) {
-               ssize_t bytes_written;
-
-               bytes_written = writev(fd->fd, iov, iovcnt);
-               if (unlikely(bytes_written < 0)) {
-                       if (errno == EINTR)
-                               continue;
-                       return WIMLIB_ERR_WRITE;
-               }
-               total_bytes_written += bytes_written;
-               while (bytes_written) {
-                       if (bytes_written >= iov[0].iov_len) {
-                               bytes_written -= iov[0].iov_len;
-                               iov++;
-                               iovcnt--;
-                       } else {
-                               iov[0].iov_base += bytes_written;
-                               iov[0].iov_len -= bytes_written;
-                               bytes_written = 0;
-                       }
-               }
-       }
-       fd->offset += total_bytes_written;
-       return 0;
-}
-
 ssize_t
 raw_pread(struct filedes *fd, void *buf, size_t count, off_t offset)
 {