cgmnlm

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commit 3270a74590d4bfbbc9ae1fdc4c1d36eed943844f
parent 320676ca5bc1980c96f5e4bc14240a741be8f3be
Author: René Wagner <rwagner@rw-net.de>
Date:   Tue,  5 Jan 2021 17:45:56 +0100

preserve all bytes except spaces when wrapping

When wrapping the new line should not start with a space.
All other bytes must be preserved to avoid breaking unicode chars.

fix for ~sircmpwn/gmni#21

Diffstat:
Msrc/cgmnlm.c | 10+++-------
1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/src/cgmnlm.c b/src/cgmnlm.c @@ -733,9 +733,7 @@ wrap(FILE *f, char *s, struct winsize *ws, int *row, int *col) // skip unicode continuation bytes if ((s[i] & 0xc0) == 0x80) break; - if (iscntrl(s[i])) { - s[i] = '.'; - } + if (iscntrl(s[i])) s[i] = '.'; *col += 1; break; } @@ -743,12 +741,10 @@ wrap(FILE *f, char *s, struct winsize *ws, int *row, int *col) if (*col >= ws->ws_col) { int j = i--; while (&s[i] != s && !isspace(s[i])) --i; - if (&s[i] == s) { - i = j; - } + if (&s[i] == s) i = j; char c = s[i]; s[i] = 0; - int n = fprintf(f, "%s\n", s); + int n = fprintf(f, "%s\n", s) - (isspace(c) ? 0 : 1); s[i] = c; *row += 1; *col = 0;