nixpkgs/pkgs/development/tools/misc/xxgdb/xxgdb-pty.patch
2021-07-27 21:32:54 +10:00

85 lines
1.8 KiB
Diff

--- xxgdb-1.12-org/calldbx.c 2012-10-26 17:17:49.810750909 -0700
+++ xxgdb-1.12/calldbx.c 2012-10-26 17:53:59.209918816 -0700
@@ -69,6 +69,12 @@
* create_io_window(): create an io window for gdb to use
*/
+#ifdef linux
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+#endif
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -126,6 +132,13 @@
{
int master;
+#ifdef _POSIX_SOURCE
+ if ((master = posix_openpt (O_RDWR|O_NOCTTY)) < 0) {
+ perror("posix_openpt failed:");
+ } else {
+ return master;
+ }
+#else
#ifdef SVR4 /* (MJH) Use STREAMS */
if((master = open(MASTER_CLONE, O_RDWR)) < 0)
@@ -152,6 +165,7 @@
}
#endif
#endif /* SVR4 */
+#endif /* _POSIX_SOURCE */
#ifdef GDB
fprintf(stderr, "xxgdb: all ptys in use\n");
@@ -167,7 +181,28 @@
{
int slave;
-#ifdef SVR4 /* (MJH) */
+#ifdef _POSIX_SOURCE
+ char *slave_name = ptsname (master);
+ if (slave_name == NULL) {
+ perror ("Pseudo-tty slave");
+ exit (2);
+ } // end if
+ if (grantpt (master) < 0) {
+ perror ("grantpt error");
+ exit (3);
+ }
+ if (unlockpt (master) < 0) {
+ perror ("unlockpt error");
+ exit (4);
+ }
+ if ((slave = open (slave_name, O_RDWR)) < 0) {
+ perror (slave_name);
+ exit (5);
+ } // end if
+ return slave;
+#else
+#ifdef SVR4
+ /* (MJH) */
char *slave_name = "unknown";
extern char *ptsname(int master);
void (*handler)();
@@ -194,6 +229,7 @@
}
return slave;
#endif /* SVR4 */
+#endif /* _POSIX_SOURCE */
}
#ifdef CREATE_IO_WINDOW
@@ -230,7 +266,7 @@
{
/* child */
/* printf("xterm xterm -l -e xxgdbiowin\n");*/
- if (execlp("xterm", "xterm", "-e", "xxgdbiowin", 0))
+ if (execlp("xterm", "xterm", "-e", "xxgdbiowin", NULL))
{
printf("exec of 'xterm -e xxgdbiowin' fails\n");
unlink("/tmp/iowindowtty");