X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=tests%2Ftest-ptsname.c;h=8c95100a298292aad316ad98753c90d48da90e6a;hb=f7fecbfc47c114a633f1fa754a0d9e1ad6cfc868;hp=ce392833cc30354709e94bb92d5aff4da3609714;hpb=1a56c64d39a790bc69b58166f7b963334951e1a9;p=pspp

diff --git a/tests/test-ptsname.c b/tests/test-ptsname.c
index ce392833cc..8c95100a29 100644
--- a/tests/test-ptsname.c
+++ b/tests/test-ptsname.c
@@ -25,9 +25,32 @@ SIGNATURE_CHECK (ptsname, char *, (int));
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
+#include <sys/stat.h>
+
+#include "same-inode.h"
 
 #include "macros.h"
 
+/* Compare two slave names.
+   On some systems, there are hard links in the /dev/ directory.
+   For example, on OSF/1 5.1,
+     /dev/ttyp0 == /dev/pts/0
+     /dev/ttyp9 == /dev/pts/9
+     /dev/ttypa == /dev/pts/10
+     /dev/ttype == /dev/pts/14
+ */
+static int
+same_slave (const char *slave_name1, const char *slave_name2)
+{
+  struct stat statbuf1;
+  struct stat statbuf2;
+
+  return (strcmp (slave_name1, slave_name2) == 0
+          || (stat (slave_name1, &statbuf1) >= 0
+              && stat (slave_name2, &statbuf2) >= 0
+              && SAME_INODE (statbuf1, statbuf2)));
+}
+
 int
 main (void)
 {
@@ -75,7 +98,7 @@ main (void)
               result = ptsname (fd);
               ASSERT (result != NULL);
               sprintf (slave_name, "/dev/tty%c%c", char1, char2);
-              ASSERT (strcmp (result, slave_name) == 0);
+              ASSERT (same_slave (result, slave_name));
 
               close (fd);
             }
@@ -105,7 +128,7 @@ main (void)
                 result = ptsname (fd);
                 ASSERT (result != NULL);
                 sprintf (slave_name, "/dev/tty%c%c", char1, char2);
-                ASSERT (strcmp (result, slave_name) == 0);
+                ASSERT (same_slave (result, slave_name));
 
                 close (fd);
               }