X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/a6efc851b6b0fa9befe1f81627c5c5955d48e6f6..05ebee60843f24201f3e7c5c76ff94b6b5e868b2:/std.c

diff --git a/std.c b/std.c
index 4808db4..3fd07a4 100644
--- a/std.c
+++ b/std.c
@@ -1,3 +1,4 @@
+/* See LICENSE file for copyright and license details. */
 #include <sys/ioctl.h>
 #include <sys/select.h>
 #include <sys/stat.h>
@@ -25,7 +26,7 @@ void eprintn(const char *errstr, ...);
 void getpty(void);
 void movea(int x, int y);
 void mover(int x, int y);
-void parse(void);
+void parseesc(void);
 void scroll(int l);
 void shell(void);
 void sigchld(int n);
@@ -97,38 +98,6 @@ eprintn(const char *errstr, ...) {
 	exit(EXIT_FAILURE);
 }
 
-void
-getpty(void) {
-	char *ptsdev;
-
-#if defined(_GNU_SOURCE)
-	ptm = getpt();
-#elif _POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600
-	ptm = posix_openpt(O_RDWR);
-#else
-	ptm = open("/dev/ptmx", O_RDWR);
-	if(ptm == -1)
-		if(openpty(&ptm, &pts, NULL, NULL, NULL) == -1)
-			eprintn("error, cannot open pty");
-#endif
-#if defined(_XOPEN_SOURCE)
-	if(ptm != -1) {
-		if(grantpt(ptm) == -1)
-			eprintn("error, cannot grant access to pty");
-		if(unlockpt(ptm) == -1)
-			eprintn("error, cannot unlock pty");
-		ptsdev = ptsname(ptm);
-		if(!ptsdev)
-			eprintn("error, slave pty name undefined");
-		pts = open(ptsdev, O_RDWR);
-		if(pts == -1)
-			eprintn("error, cannot open slave pty");
-	}
-	else
-		eprintn("error, cannot open pty");
-#endif
-}
-
 void
 movea(int x, int y) {
 	x = MAX(x, cols);
@@ -306,12 +275,24 @@ unbuffer(void) {
 
 int
 main(int argc, char *argv[]) {
-	fd_set rd;
 	if(argc == 2 && !strcmp("-v", argv[1]))
 		eprint("std-"VERSION", © 2008 Matthias-Christian Ott\n");
 	else if(argc == 1)
 		eprint("usage: st [-v]\n");
 	getpty();
 	shell();
+	fptm = fdopen(ptm, "r+");
+	if(!fptm)
+		eprintn("cannot open slave pty");
+	for(;;) {
+		c = getc(fptm);
+		switch(c) {
+		case '\033':
+			parseesc();
+			break;
+		default:
+			putchar(c);
+		}
+	}
 	return 0;
 }