source getpty() out to pty.c

diff --git a/pty.c b/pty.c
new file mode 100644 (file)
index 0000000..a3e43b0
--- /dev/null
+++ 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
+}

diff --git a/std.c b/std.c
index fcfead9..1b918f5 100644 (file)
--- 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>
@@ -100,38 +97,6 @@ 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);