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authorAurélien Aptel <aurelien.aptel@gmail.com>2009-05-14 00:04:34 +0200
committerAurélien Aptel <aurelien.aptel@gmail.com>2009-05-14 00:04:34 +0200
commitccafacb3ff22c85516ff46a88275097936dfe442 (patch)
treecb903821e5bdf342a85ae1834fe688da2bf33992
parentfd281ad336166de21c9d8652f465ab40a0f12468 (diff)
downloadst-ccafacb3ff22c85516ff46a88275097936dfe442.tar.gz
st-ccafacb3ff22c85516ff46a88275097936dfe442.tar.bz2
added some error checking in xinit (fixed the segfault caused by a missing font)
-rw-r--r--st.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/st.c b/st.c
index f295955..1f58569 100644
--- a/st.c
+++ b/st.c
@@ -703,18 +703,25 @@ xinit(void) {
xw.dis = XOpenDisplay(NULL);
xw.scr = XDefaultScreen(xw.dis);
+ if(!(xw.dis && xw.scr))
+ die("can not open display");
+
/* font */
- dc.font = XLoadQueryFont(xw.dis, FONT);
+ if(!(dc.font = XLoadQueryFont(xw.dis, FONT)))
+ die("can not find font " FONT);
+
xw.cw = dc.font->max_bounds.rbearing - dc.font->min_bounds.lbearing;
xw.ch = dc.font->ascent + dc.font->descent + LINESPACE;
+
/* colors */
for(i = 0; i < LEN(colorname); i++)
dc.col[i] = xgetcol(colorname[i]);
+
term.c.attr.fg = DefaultFG;
term.c.attr.bg = DefaultBG;
term.c.attr.mode = ATnone;
/* windows */
- xw.h = term.row * xw.ch;
+ xw.h = term.row * xw.ch;
xw.w = term.col * xw.cw;
/* XXX: this BORDER is useless after the first resize, handle it in xdraws() */
xw.win = XCreateSimpleWindow(xw.dis, XRootWindow(xw.dis, xw.scr), 0, 0,
@@ -736,6 +743,7 @@ xinit(void) {
XSetWMProperties(xw.dis, xw.win, NULL, NULL, &args[0], 0, &shint, &wmhint, &chint);
XStoreName(xw.dis, xw.win, TNAME);
XSync(xw.dis, 0);
+
}
void
@@ -908,13 +916,13 @@ run(void) {
int
main(int argc, char *argv[]) {
if(argc == 2 && !strncmp("-v", argv[1], 3))
- die("st-"VERSION", © 2009 st engineers\n");
+ die("st-"", © 2009 st engineers\n");
else if(argc != 1)
die("usage: st [-v]\n");
setlocale(LC_CTYPE, "");
- tnew(80, 24);
- ttynew();
- xinit();
- run();
+ tnew(80, 24);
+ ttynew();
+ xinit();
+ run();
return 0;
}