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author | June McEnroe <june@causal.agency> | 2021-01-04 14:25:41 -0500 |
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committer | June McEnroe <june@causal.agency> | 2021-01-04 14:28:37 -0500 |
commit | 3b54425ec178a1ece9214cf2d862c105ad01247c (patch) | |
tree | fab2b9bf46e076a536c60f84fc6ef86bfe22fbfe /buffer.c | |
parent | Split ignore fields to avoid over-eager * matching (diff) | |
download | test-3b54425ec178a1ece9214cf2d862c105ad01247c.tar.gz test-3b54425ec178a1ece9214cf2d862c105ad01247c.zip |
Collapse whitespace while wrapping and discard trailing space
The latter avoids an extra blank line when a message ends with whitespace that hits the edge of the window.
Diffstat (limited to '')
-rw-r--r-- | buffer.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/buffer.c b/buffer.c index 740e598..15d89f8 100644 --- a/buffer.c +++ b/buffer.c @@ -160,11 +160,18 @@ static int flow(struct Lines *hard, int cols, const struct Line *soft) { wrapStyle = style; } - n = mbtowc(&wc, wrap, strlen(wrap)); - if (n < 0) { - n = 1; - } else if (!iswspace(wc)) { - n = 0; + n = 0; + len = strlen(wrap); + for (int m; wrap[n] && (m = mbtowc(&wc, &wrap[n], len - n)); n += m) { + if (m < 0) { + m = 1; + } else if (!iswspace(wc)) { + break; + } + } + if (!wrap[n]) { + *wrap = '\0'; + break; } flowed++; |