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Cast incoming characters to unsigned char to avoid accidental sign

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extension. Since ldisc_send() uses bit 8 as an internal flag, we
shouldn't be setting it except when we really want to.

[originally from svn r8989]
This commit is contained in:
Simon Tatham 2010-09-09 14:32:25 +00:00
parent cda613000a
commit 7531c7d3d4
1 changed files with 1 additions and 1 deletions
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ldisc.c
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@ -147,7 +147,7 @@ void ldisc_send(void *handle, char *buf, int len, int interactive)
if (EDITING) { if (EDITING) {
while (len--) { while (len--) {
int c; int c;
c = *buf++ + keyflag; c = (unsigned char)(*buf++) + keyflag;
if (!interactive && c == '\r') if (!interactive && c == '\r')
c += KCTRL('@'); c += KCTRL('@');
switch (ldisc->quotenext ? ' ' : c) { switch (ldisc->quotenext ? ' ' : c) {