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-rw-r--r--contrib/syslinux/latest/com32/lib/sys/fileread.c98
1 files changed, 0 insertions, 98 deletions
diff --git a/contrib/syslinux/latest/com32/lib/sys/fileread.c b/contrib/syslinux/latest/com32/lib/sys/fileread.c
deleted file mode 100644
index aab99c8..0000000
--- a/contrib/syslinux/latest/com32/lib/sys/fileread.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/* ----------------------------------------------------------------------- *
- *
- * Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
- *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom
- * the Software is furnished to do so, subject to the following
- * conditions:
- *
- * The above copyright notice and this permission notice shall
- * be included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * ----------------------------------------------------------------------- */
-
-/*
- * read.c
- *
- * Reading from a file
- */
-
-#include <errno.h>
-#include <string.h>
-#include <com32.h>
-#include <syslinux/pmapi.h>
-#include <minmax.h>
-#include "file.h"
-
-int __file_get_block(struct file_info *fp)
-{
- ssize_t bytes_read;
-
- bytes_read = __com32.cs_pm->read_file(&fp->i.fd.handle, fp->i.buf,
- MAXBLOCK >> fp->i.fd.blocklg2);
- if (!bytes_read) {
- errno = EIO;
- return -1;
- }
-
- fp->i.nbytes = bytes_read;
- fp->i.datap = fp->i.buf;
- return 0;
-}
-
-ssize_t __file_read(struct file_info * fp, void *buf, size_t count)
-{
- char *bufp = buf;
- ssize_t n = 0;
- size_t ncopy;
-
- while (count) {
- if (fp->i.nbytes == 0) {
- if (fp->i.offset >= fp->i.fd.size || !fp->i.fd.handle)
- return n; /* As good as it gets... */
-
- if (count > MAXBLOCK) {
- /* Large transfer: copy directly, without buffering */
- ncopy = __com32.cs_pm->read_file(&fp->i.fd.handle, bufp,
- count >> fp->i.fd.blocklg2);
- if (!ncopy) {
- errno = EIO;
- return n ? n : -1;
- }
-
- goto got_data;
- } else {
- if (__file_get_block(fp))
- return n ? n : -1;
- }
- }
-
- ncopy = min(count, fp->i.nbytes);
- memcpy(bufp, fp->i.datap, ncopy);
-
- fp->i.datap += ncopy;
- fp->i.offset += ncopy;
- fp->i.nbytes -= ncopy;
-
- got_data:
- n += ncopy;
- bufp += ncopy;
- count -= ncopy;
- }
-
- return n;
-}