source getpty() out to pty.c - st - simple terminal
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---
DIR commit 47d8633f157156ef4701ce71ed7eff766206c107
DIR parent 0dedee5de8e35f4bab3d707d63be31943715264e
HTML Author: Matthias-Christian Ott <ott@enolink.de>
Date: Tue, 10 Jun 2008 17:30:15 +0200
source getpty() out to pty.c
Diffstat:
A pty.c | 41 +++++++++++++++++++++++++++++++
M std.c | 35 -------------------------------
2 files changed, 41 insertions(+), 35 deletions(-)
---
DIR diff --git a/pty.c b/pty.c
@@ -0,0 +1,41 @@
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#if !(_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600)
+#include <pty.h>
+#endif
+
+extern int ptm, pts;
+
+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
+}
DIR diff --git a/std.c b/std.c
@@ -6,9 +6,6 @@
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
-#if !(_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600)
-#include <pty.h>
-#endif
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
@@ -101,38 +98,6 @@ eprintn(const char *errstr, ...) {
}
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);
y = MAX(y, lines);