Security fixes

[sxemacs] / src / s / sco4.h

diff --git a/src/s/sco4.h b/src/s/sco4.h
index 842c8e8..44df302 100644 (file)
--- a/src/s/sco4.h
+++ b/src/s/sco4.h
@@ -46,10 +46,19 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
 #define PTY_ITERATION \
    for (i = 0; ; i++)
-#define PTY_NAME_SPRINTF \
-  sprintf (pty_name, "/dev/ptyp%d", i);
-#define PTY_TTY_NAME_SPRINTF \
-  sprintf (pty_name, "/dev/ttyp%d", i);
+#define PTY_NAME_SPRINTF                                      \
+       do {                                                   \
+               int sz = snprintf (pty_name, sizeof(pty_name), \
+                                  "/dev/ptyp%d", i);          \
+               assert(sz>=0 && sz<sizeof(pty_name));          \
+       } while(0)
+
+#define PTY_TTY_NAME_SPRINTF                                   \
+       do {                                                    \
+               int sz = snprintf (pty_name, sizeof(pty_name),  \
+                                  "/dev/ttyp%d", i);           \
+               assert(sz>=0 && sz<sizeof(pty_name));           \
+       } while(0)
 
 /* Must use 'cc' to link when build with motif toolkit. */
 #ifndef __GNUC__