From c29161e56461191da37128e0f7c0112b64d9764a Mon Sep 17 00:00:00 2001 From: Ingo Schwarze Date: Mon, 24 Jan 2011 23:41:55 +0000 Subject: Skip carriage return before newline, if any. As pointed out by Joerg Sonnenberger, this is useful because we use mmap(3) and look for '\n' by hand. "check it in" kristaps@ --- main.c | 25 +++++++++++++++++++++---- 1 file changed, 21 insertions(+), 4 deletions(-) (limited to 'main.c') diff --git a/main.c b/main.c index a29c71b2..e70a010d 100644 --- a/main.c +++ b/main.c @@ -1,7 +1,7 @@ -/* $Id: main.c,v 1.139 2011/01/22 13:16:02 schwarze Exp $ */ +/* $Id: main.c,v 1.140 2011/01/24 23:41:55 schwarze Exp $ */ /* * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons - * Copyright (c) 2010 Ingo Schwarze + * Copyright (c) 2010, 2011 Ingo Schwarze * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -684,6 +684,16 @@ parsebuf(struct curparse *curp, struct buf blk, int start) } while (i < (int)blk.sz && (start || '\0' != blk.buf[i])) { + + /* + * When finding an unescaped newline character, + * leave the character loop to process the line. + * Skip a preceding carriage return, if any. + */ + + if ('\r' == blk.buf[i] && i + 1 < (int)blk.sz && + '\n' == blk.buf[i + 1]) + ++i; if ('\n' == blk.buf[i]) { ++i; ++lnn; @@ -718,11 +728,18 @@ parsebuf(struct curparse *curp, struct buf blk, int start) continue; } - /* Found escape & at least one other char. */ + /* + * Found escape and at least one other character. + * When it's a newline character, skip it. + * When there is a carriage return in between, + * skip that one as well. + */ + if ('\r' == blk.buf[i + 1] && i + 2 < (int)blk.sz && + '\n' == blk.buf[i + 2]) + ++i; if ('\n' == blk.buf[i + 1]) { i += 2; - /* Escaped newlines are skipped over */ ++lnn; continue; } -- cgit v1.2.3-56-ge451