diff options
| -rw-r--r-- | base/sbcp.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/base/sbcp.c b/base/sbcp.c index 979ae0992..47fc233ec 100644 --- a/base/sbcp.c +++ b/base/sbcp.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2001-2021 Artifex Software, Inc. +/* Copyright (C) 2001-2023 Artifex Software, Inc. All Rights Reserved. This software is provided AS-IS with no warranty, either express or @@ -50,6 +50,14 @@ s_xBCPE_process(stream_state * st, stream_cursor_read * pr, byte ch = *++p; if (ch <= 31 && escaped[ch]) { + /* Make sure we have space to store two characters in the write buffer, + * if we don't then exit without consuming the input character, we'll process + * that on the next time round. + */ + if (pw->limit - q < 2) { + p--; + break; + } if (p == rlimit) { p--; break; |