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Avoid passing negative values (i.e. signed characters) to isprint() which is not happy with doing this on some platforms.

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This commit is contained in:
Mark Pizzolato
2013-05-12 11:58:34 -07:00
parent 7eb02bfd2b
commit 671644ff41
1 changed files with 3 additions and 3 deletions
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6
sim_tmxr.c
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@@ -3665,7 +3665,7 @@ for (j=0; 1; ++j) {
} }
} }
static int tmxr_buf_debug_telnet_options (char *buf, int bufsize) static int tmxr_buf_debug_telnet_options (u_char *buf, int bufsize)
{ {
int optsize = 2; int optsize = 2;
@@ -3698,7 +3698,7 @@ if ((lp->mp->dptr) && (dbits & lp->mp->dptr->dctrl)) {
for (i=0; i<bufsize; ++i) { for (i=0; i<bufsize; ++i) {
switch ((u_char)buf[i]) { switch ((u_char)buf[i]) {
case TN_IAC: case TN_IAC:
i += (tmxr_buf_debug_telnet_options (&buf[i], bufsize-i) - 1); i += (tmxr_buf_debug_telnet_options ((u_char *)(&buf[i]), bufsize-i) - 1);
break; break;
case TN_CR: case TN_CR:
tmxr_buf_debug_string ("_TN_CR_"); tmxr_buf_debug_string ("_TN_CR_");
@@ -3707,7 +3707,7 @@ if ((lp->mp->dptr) && (dbits & lp->mp->dptr->dctrl)) {
tmxr_buf_debug_string ("_TN_LF_"); tmxr_buf_debug_string ("_TN_LF_");
break; break;
default: default:
if (isprint(buf[i])) if (isprint((u_char)buf[i]))
tmxr_buf_debug_char (buf[i]); tmxr_buf_debug_char (buf[i]);
else { else {
tmxr_buf_debug_char ('_'); tmxr_buf_debug_char ('_');