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A tty context must not be modified as it may be reused to update multiple

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clients, so make it const.

Also fix an actual modification which caused a hang when a session was
connected to multiple terminals at least one of which was missing ich/ich1.
This commit is contained in:
Nicholas Marriott 2009-08-12 09:41:59 +00:00
parent 9a52ef099a
commit bc497dbb92
2 changed files with 38 additions and 35 deletions
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33
tmux.h
View File

@ -1168,22 +1168,23 @@ void tty_draw_line(struct tty *, struct screen *, u_int, u_int, u_int);
int tty_open(struct tty *, const char *, char **);
void tty_close(struct tty *);
void tty_free(struct tty *);
void tty_write(void (*)(struct tty *, struct tty_ctx *), struct tty_ctx *);
void tty_cmd_alignmenttest(struct tty *, struct tty_ctx *);
void tty_cmd_cell(struct tty *, struct tty_ctx *);
void tty_cmd_clearendofline(struct tty *, struct tty_ctx *);
void tty_cmd_clearendofscreen(struct tty *, struct tty_ctx *);
void tty_cmd_clearline(struct tty *, struct tty_ctx *);
void tty_cmd_clearscreen(struct tty *, struct tty_ctx *);
void tty_cmd_clearstartofline(struct tty *, struct tty_ctx *);
void tty_cmd_clearstartofscreen(struct tty *, struct tty_ctx *);
void tty_cmd_deletecharacter(struct tty *, struct tty_ctx *);
void tty_cmd_deleteline(struct tty *, struct tty_ctx *);
void tty_cmd_insertcharacter(struct tty *, struct tty_ctx *);
void tty_cmd_insertline(struct tty *, struct tty_ctx *);
void tty_cmd_linefeed(struct tty *, struct tty_ctx *);
void tty_cmd_utf8character(struct tty *, struct tty_ctx *);
void tty_cmd_reverseindex(struct tty *, struct tty_ctx *);
void tty_write(void (*)(
struct tty *, const struct tty_ctx *), const struct tty_ctx *);
void tty_cmd_alignmenttest(struct tty *, const struct tty_ctx *);
void tty_cmd_cell(struct tty *, const struct tty_ctx *);
void tty_cmd_clearendofline(struct tty *, const struct tty_ctx *);
void tty_cmd_clearendofscreen(struct tty *, const struct tty_ctx *);
void tty_cmd_clearline(struct tty *, const struct tty_ctx *);
void tty_cmd_clearscreen(struct tty *, const struct tty_ctx *);
void tty_cmd_clearstartofline(struct tty *, const struct tty_ctx *);
void tty_cmd_clearstartofscreen(struct tty *, const struct tty_ctx *);
void tty_cmd_deletecharacter(struct tty *, const struct tty_ctx *);
void tty_cmd_deleteline(struct tty *, const struct tty_ctx *);
void tty_cmd_insertcharacter(struct tty *, const struct tty_ctx *);
void tty_cmd_insertline(struct tty *, const struct tty_ctx *);
void tty_cmd_linefeed(struct tty *, const struct tty_ctx *);
void tty_cmd_utf8character(struct tty *, const struct tty_ctx *);
void tty_cmd_reverseindex(struct tty *, const struct tty_ctx *);
/* tty-term.c */
extern struct tty_terms tty_terms;

40
tty.c
View File

@ -38,7 +38,7 @@ void tty_attributes(struct tty *, const struct grid_cell *);
void tty_attributes_fg(struct tty *, const struct grid_cell *);
void tty_attributes_bg(struct tty *, const struct grid_cell *);
void tty_redraw_region(struct tty *, struct tty_ctx *);
void tty_redraw_region(struct tty *, const struct tty_ctx *);
void tty_emulate_repeat(
struct tty *, enum tty_code_code, enum tty_code_code, u_int);
void tty_cell(struct tty *,
@ -461,7 +461,7 @@ tty_emulate_repeat(
* width of the terminal.
*/
void
tty_redraw_region(struct tty *tty, struct tty_ctx *ctx)
tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
@ -532,7 +532,8 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
}
void
tty_write(void (*cmdfn)(struct tty *, struct tty_ctx *), struct tty_ctx *ctx)
tty_write(void (*cmdfn)(
struct tty *, const struct tty_ctx *), const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct client *c;
@ -563,10 +564,11 @@ tty_write(void (*cmdfn)(struct tty *, struct tty_ctx *), struct tty_ctx *ctx)
}
void
tty_cmd_insertcharacter(struct tty *tty, struct tty_ctx *ctx)
tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
u_int i;
if (wp->xoff != 0 || screen_size_x(s) < tty->sx) {
tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
@ -581,14 +583,14 @@ tty_cmd_insertcharacter(struct tty *tty, struct tty_ctx *ctx)
tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
else {
tty_putcode(tty, TTYC_SMIR);
while (ctx->num-- > 0)
for (i = 0; i < ctx->num; i++)
tty_putc(tty, ' ');
tty_putcode(tty, TTYC_RMIR);
}
}
void
tty_cmd_deletecharacter(struct tty *tty, struct tty_ctx *ctx)
tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
@ -605,7 +607,7 @@ tty_cmd_deletecharacter(struct tty *tty, struct tty_ctx *ctx)
}
void
tty_cmd_insertline(struct tty *tty, struct tty_ctx *ctx)
tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
@ -625,7 +627,7 @@ tty_cmd_insertline(struct tty *tty, struct tty_ctx *ctx)
}
void
tty_cmd_deleteline(struct tty *tty, struct tty_ctx *ctx)
tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
@ -645,7 +647,7 @@ tty_cmd_deleteline(struct tty *tty, struct tty_ctx *ctx)
}
void
tty_cmd_clearline(struct tty *tty, struct tty_ctx *ctx)
tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
@ -664,7 +666,7 @@ tty_cmd_clearline(struct tty *tty, struct tty_ctx *ctx)
}
void
tty_cmd_clearendofline(struct tty *tty, struct tty_ctx *ctx)
tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
@ -683,7 +685,7 @@ tty_cmd_clearendofline(struct tty *tty, struct tty_ctx *ctx)
}
void
tty_cmd_clearstartofline(struct tty *tty, struct tty_ctx *ctx)
tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
u_int i;
@ -701,7 +703,7 @@ tty_cmd_clearstartofline(struct tty *tty, struct tty_ctx *ctx)
}
void
tty_cmd_reverseindex(struct tty *tty, struct tty_ctx *ctx)
tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
@ -723,7 +725,7 @@ tty_cmd_reverseindex(struct tty *tty, struct tty_ctx *ctx)
}
void
tty_cmd_linefeed(struct tty *tty, struct tty_ctx *ctx)
tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
@ -745,7 +747,7 @@ tty_cmd_linefeed(struct tty *tty, struct tty_ctx *ctx)
}
void
tty_cmd_clearendofscreen(struct tty *tty, struct tty_ctx *ctx)
tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
@ -780,7 +782,7 @@ tty_cmd_clearendofscreen(struct tty *tty, struct tty_ctx *ctx)
}
void
tty_cmd_clearstartofscreen(struct tty *tty, struct tty_ctx *ctx)
tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
@ -809,7 +811,7 @@ tty_cmd_clearstartofscreen(struct tty *tty, struct tty_ctx *ctx)
}
void
tty_cmd_clearscreen(struct tty *tty, struct tty_ctx *ctx)
tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
@ -838,7 +840,7 @@ tty_cmd_clearscreen(struct tty *tty, struct tty_ctx *ctx)
}
void
tty_cmd_alignmenttest(struct tty *tty, struct tty_ctx *ctx)
tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
@ -856,7 +858,7 @@ tty_cmd_alignmenttest(struct tty *tty, struct tty_ctx *ctx)
}
void
tty_cmd_cell(struct tty *tty, struct tty_ctx *ctx)
tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
@ -866,7 +868,7 @@ tty_cmd_cell(struct tty *tty, struct tty_ctx *ctx)
}
void
tty_cmd_utf8character(struct tty *tty, struct tty_ctx *ctx)
tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
{
u_char *ptr = ctx->ptr;
size_t i;