FFmpeg-Builds/patches/zvbi/0000-ssize_max.patch
BtbN 69c3786546 Add libzvbi
Patches and build-mess based on VLC contrib:
https://github.com/videolan/vlc/tree/master/contrib/src/zvbi
2021-08-23 02:44:47 +02:00

28 lines
817 B
Diff

Linear memory extents over SSIZE_MAX are undefined, so there is no
point in protecting against them.
diff -ru zvbi.orig/src/export.c zvbi/src/export.c
--- zvbi.orig/src/export.c 2011-11-06 11:22:47.000000000 +0200
+++ zvbi/src/export.c 2011-11-06 11:27:39.000000000 +0200
@@ -1076,8 +1076,6 @@
size_t count;
count = src_size;
- if (unlikely (src_size > SSIZE_MAX))
- count = SSIZE_MAX & -4096;
for (retry = 10;; --retry) {
actual = write (e->_handle.fd, src, count);
@@ -1632,12 +1630,7 @@
free (e->buffer.data);
}
- if (unlikely (e->buffer.offset > (size_t) SSIZE_MAX)) {
- errno = EOVERFLOW;
- actual = -1; /* failed */
- } else {
- actual = e->buffer.offset;
- }
+ actual = e->buffer.offset;
} else {
if (VBI_EXPORT_TARGET_ALLOC == e->target)
free (e->buffer.data);