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Patch to remove compile-time dependency on existing ptys.

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This commit is contained in:
espie 1999-08-24 23:01:32 +00:00
parent ea978354c6
commit c96f74aadf
2 changed files with 109 additions and 4 deletions
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8
misc/screen/patches/patch-ae
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@ -1,6 +1,6 @@
--- configure.orig Fri Feb 19 17:04:35 1999 --- configure.orig Sat Aug 21 12:40:49 1999
+++ configure Fri Feb 19 17:10:11 1999 +++ configure Sat Aug 21 12:40:56 1999
@@ -2706,8 +2706,10 @@ @@ -2706,8 +2832,10 @@
cat > conftest.${ac_ext} <<EOF cat > conftest.${ac_ext} <<EOF
#include "confdefs.h" #include "confdefs.h"
@ -12,7 +12,7 @@
EOF EOF
if eval $ac_compile; then if eval $ac_compile; then
rm -rf conftest* rm -rf conftest*
@@ -3114,12 +3116,12 @@ @@ -3114,12 +3242,12 @@
{ {
test -n "$verbose" && \ test -n "$verbose" && \

105
misc/screen/patches/patch-ag Normal file
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@ -0,0 +1,105 @@
--- pty.c.orig Wed Nov 18 21:19:14 1998
+++ pty.c Sat Aug 21 13:12:06 1999
@@ -32,6 +32,24 @@
#include "config.h"
#include "screen.h"
+#if DIRENT
+# include <dirent.h>
+# define NAMLEN(dirent) strlen((dirent)->d_name)
+#else
+# define dirent direct
+# define NAMLEN(dirent) (dirent)->d_namlen
+# if SYSNDIR
+# include <sys/ndir.h>
+# endif
+# if SYSDIR
+# include <sys/dir.h>
+# endif
+# if NDIR
+# include <ndir.h>
+# endif
+#endif
+
+
#ifndef sun
#include <sys/ioctl.h>
#endif
@@ -292,26 +310,26 @@
OpenPTY(ttyn)
char **ttyn;
{
- register char *p, *q, *l, *d;
- register int f;
+ DIR *devdir;
+ struct dirent *candidate;
+ int f;
+
+ debug("OpenPTY: Using BSD style ptys, dynamic range.\n");
- debug("OpenPTY: Using BSD style ptys.\n");
- strcpy(PtyName, PtyProto);
- strcpy(TtyName, TtyProto);
- for (p = PtyName; *p != 'X'; p++)
- ;
- for (q = TtyName; *q != 'X'; q++)
- ;
- for (l = PTYRANGE0; (*p = *l) != '\0'; l++)
+ devdir = opendir("/dev");
+ if (!devdir)
+ return -1;
+ while (candidate = readdir(devdir))
{
- for (d = PTYRANGE1; (p[1] = *d) != '\0'; d++)
- {
- debug1("OpenPTY tries '%s'\n", PtyName);
- if ((f = open(PtyName, O_RDWR | O_NOCTTY)) == -1)
+ if (NAMLEN(candidate) == 5 && strncmp(candidate->d_name, "pty", 3) == 0)
+ {
+ sprintf(PtyName, "/dev/%s", candidate->d_name);
+ debug1("OpenPTY tries '%s'\n", PtyName);
+ if ((f = open(PtyName, O_RDWR | O_NOCTTY)) == -1)
continue;
- q[0] = *l;
- q[1] = *d;
- if (eff_uid && access(TtyName, R_OK | W_OK))
+ strcpy(TtyName, PtyName);
+ TtyName[5] = 't';
+ if (eff_uid && access(TtyName, R_OK | W_OK))
{
close(f);
continue;
@@ -320,22 +338,24 @@
/* Hack to ensure that the slave side of the pty is
* unused. May not work in anything other than SunOS4.1
*/
- {
- int pgrp;
+ {
+ int pgrp;
- /* tcgetpgrp does not work (uses TIOCGETPGRP)! */
- if (ioctl(f, TIOCGPGRP, (char *)&pgrp) != -1 || errno != EIO)
- {
- close(f);
- continue;
- }
- }
+ /* tcgetpgrp does not work (uses TIOCGETPGRP)! */
+ if (ioctl(f, TIOCGPGRP, (char *)&pgrp) != -1 || errno != EIO)
+ {
+ close(f);
+ continue;
+ }
+ }
#endif
initpty(f);
*ttyn = TtyName;
+ closedir(devdir);
return f;
}
}
+ closedir(devdir);
return -1;
}
#endif