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Limit usage of extern to config.h globals

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Prefer passing arguments to declaring external global variables.  The
only remaining usage of extern is for config.h variables which are
needed in st.c instead of x.c (where it is now included).

Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
This commit is contained in:
Devin J. Pohly 2018-02-24 16:16:12 -06:00
parent a3beb626d2
commit 30683c70ab
4 changed files with 29 additions and 27 deletions
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16
x.c
View file

@ -227,6 +227,8 @@ static char *opt_line = NULL;
static char *opt_name = NULL;
static char *opt_title = NULL;
static int oldbutton = 3; /* button event on startup: 3 = release */
void
clipcopy(const Arg *dummy)
{
@ -1733,8 +1735,7 @@ cmessage(XEvent *e)
win.mode &= ~MODE_FOCUSED;
}
} else if (e->xclient.data.l[0] == xw.wmdeletewin) {
/* Send SIGHUP to shell */
kill(pid, SIGHUP);
ttyhangup();
exit(0);
}
}
@ -1755,6 +1756,7 @@ run(void)
int w = win.w, h = win.h;
fd_set rfd;
int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
int ttyfd;
struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
long deltatime;
@ -1774,7 +1776,7 @@ run(void)
}
} while (ev.type != MapNotify);
ttynew(opt_line, opt_io, opt_cmd);
ttyfd = ttynew(opt_line, shell, opt_io, opt_cmd);
cresize(w, h);
clock_gettime(CLOCK_MONOTONIC, &last);
@ -1782,15 +1784,15 @@ run(void)
for (xev = actionfps;;) {
FD_ZERO(&rfd);
FD_SET(cmdfd, &rfd);
FD_SET(ttyfd, &rfd);
FD_SET(xfd, &rfd);
if (pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
if (pselect(MAX(xfd, ttyfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
if (errno == EINTR)
continue;
die("select failed: %s\n", strerror(errno));
}
if (FD_ISSET(cmdfd, &rfd)) {
if (FD_ISSET(ttyfd, &rfd)) {
ttyread();
if (blinktimeout) {
blinkset = tattrset(ATTR_BLINK);
@ -1834,7 +1836,7 @@ run(void)
if (xev && !FD_ISSET(xfd, &rfd))
xev--;
if (!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
if (!FD_ISSET(ttyfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
if (blinkset) {
if (TIMEDIFF(now, lastblink) \
> blinktimeout) {