From 071ede1e5de784820f39c2546000c08d74b12f6d Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Fri, 15 May 2009 23:23:23 +0200 Subject: xmalloc_[open_]read[_close]: do not ignore xrealloc return value Signed-off-by: Denys Vlasenko --- include/libbb.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include') diff --git a/include/libbb.h b/include/libbb.h index 128aa9207..bae7efb00 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -965,6 +965,12 @@ enum { /* How long the longest ESC sequence we know? */ KEYCODE_BUFFER_SIZE = 4 }; +/* Note: fd may be in blocking or non-blocking mode, both make sense. + * For one, less uses non-blocking mode. + * Only the first read syscall inside read_key may block indefinitely + * (unless fd is in non-blocking mode), + * subsequent reads will time out after a few milliseconds. + */ int read_key(int fd, smalluint *nbuffered, char *buffer) FAST_FUNC; -- cgit v1.2.3