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Tweak the terminal background-color guessing code.

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This commit is contained in:
Dianne Skoll
2023-10-03 00:04:01 -04:00
parent d77e27942d
commit e8f3d5ff9f
1 changed files with 5 additions and 5 deletions
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src/init.c
+5 -5
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@@ -1016,7 +1016,7 @@ guess_terminal_background(int *r, int *g, int *b)
if (!isatty(STDOUT_FILENO)) {
return;
}
ttyfd = open("/dev/tty", O_RDWR);
if (ttyfd < 0) {
return;
@@ -1034,10 +1034,10 @@ guess_terminal_background(int *r, int *g, int *b)
tty_raw(ttyfd);
write(ttyfd, "\033]11;?\033\\", 8);
/* Wait up to 0.2s for terminal to respond */
/* Wait up to 0.1s for terminal to respond */
p.fd = ttyfd;
p.events = POLLIN;
if (poll(&p, 1, 200) < 0) {
if (poll(&p, 1, 100) < 0) {
tty_reset(ttyfd);
close(ttyfd);
return;
@@ -1056,11 +1056,11 @@ guess_terminal_background(int *r, int *g, int *b)
tty_reset(ttyfd);
buf[n+1] = 0;
if (n < 25) {
printf("N too short %d\n", n);
/* Too short */
return;
}
if (sscanf(buf+5, "rgb:%x/%x/%x", &rr, &gg, &bb) != 3) {
printf("sscanf failed\n");
/* Couldn't scan color codes */
return;
}
*r = (rr >> 8) & 255;