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From 493f1291993a352e47a79fa7471880289df2efc4 Mon Sep 17 00:00:00 2001
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From: Kamil Dudka <kdudka@redhat.com>
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Date: Fri, 3 Feb 2017 12:26:53 +0100
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Subject: [PATCH] fold: preserve new-lines in mutlibyte text (#1418505)
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---
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src/fold.c | 55 +++++++++++++++++++++++++++----------------------------
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1 file changed, 27 insertions(+), 28 deletions(-)
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diff --git a/src/fold.c b/src/fold.c
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index 51abea8..4106f24 100644
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--- a/src/fold.c
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+++ b/src/fold.c
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@@ -342,39 +342,38 @@ fold_multibyte_text (FILE *istream, size_t width, int *saved_errno)
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}
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rescan:
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- if (operating_mode == byte_mode) /* byte mode */
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+ if (convfail)
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+ increment = 1;
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+ else if (wc == L'\n')
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+ {
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+ /* preserve newline */
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+ fwrite (line_out, sizeof(char), offset_out, stdout);
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+ START_NEW_LINE;
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+ continue;
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+ }
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+ else if (operating_mode == byte_mode) /* byte mode */
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increment = mblength;
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else if (operating_mode == character_mode) /* character mode */
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increment = 1;
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- else /* column mode */
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+ else /* column mode */
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{
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- if (convfail)
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- increment = 1;
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- else
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+ switch (wc)
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{
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- switch (wc)
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- {
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- case L'\n':
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- fwrite (line_out, sizeof(char), offset_out, stdout);
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- START_NEW_LINE;
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- continue;
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-
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- case L'\b':
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- increment = (column > 0) ? -1 : 0;
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- break;
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-
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- case L'\r':
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- increment = -1 * column;
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- break;
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-
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- case L'\t':
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- increment = 8 - column % 8;
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- break;
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-
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- default:
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- increment = wcwidth (wc);
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- increment = (increment < 0) ? 0 : increment;
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- }
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+ case L'\b':
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+ increment = (column > 0) ? -1 : 0;
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+ break;
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+
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+ case L'\r':
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+ increment = -1 * column;
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+ break;
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+
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+ case L'\t':
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+ increment = 8 - column % 8;
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+ break;
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+
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+ default:
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+ increment = wcwidth (wc);
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+ increment = (increment < 0) ? 0 : increment;
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}
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}
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--
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2.13.5
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