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Ignore all control characters not handled

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Taken from vt100 programmer manual:

	Control characters have values of \000 - \037, and \177. The control
	characters recognized by the VT100 are shown in Table 3-10. All
	other control codes cause no action to be taken.

We have to take attention when we are using alternate charset, because in
this cases they are not used as control characters.
---
 st.c |   20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)
This commit is contained in:
Roberto E. Vargas Caballero 2012-09-26 20:53:46 +02:00
parent 1ad0b11415
commit 18e2def342
1 changed files with 10 additions and 10 deletions
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6
st.c
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@ -1663,7 +1663,7 @@ tputtab(bool forward) {
void void
tputc(char *c, int len) { tputc(char *c, int len) {
char ascii = *c; uchar ascii = *c;
if(iofd != -1) if(iofd != -1)
write(iofd, c, len); write(iofd, c, len);
@ -1792,8 +1792,6 @@ tputc(char *c, int len) {
if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey)) if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey))
sel.bx = -1; sel.bx = -1;
switch(ascii) { switch(ascii) {
case '\0': /* padding character, do nothing */
break;
case '\t': case '\t':
tputtab(1); tputtab(1);
break; break;
@ -1818,6 +1816,7 @@ tputc(char *c, int len) {
term.esc = ESC_START; term.esc = ESC_START;
break; break;
default: default:
if(ascii >= '\020' || term.c.attr.mode & ATTR_GFX) {
if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT) if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
tnewline(1); /* always go to first col */ tnewline(1); /* always go to first col */
tsetchar(c); tsetchar(c);
@ -1828,6 +1827,7 @@ tputc(char *c, int len) {
} }
} }
} }
}
int int
tresize(int col, int row) { tresize(int col, int row) {