+/* Place into BUF a string representing OFLAG, which must be suitable
+ as argument 2 of `open'. BUF must be large enough to hold the
+ result. This function should generate a string that decode_oflag
+ can parse. */
+static void
+encode_oflag (char *buf, int oflag)
+{
+ sprintf (buf, "%d ", oflag);
+
+ switch (oflag & O_ACCMODE)
+ {
+ case O_RDONLY: strcat (buf, "O_RDONLY"); break;
+ case O_RDWR: strcat (buf, "O_RDWR"); break;
+ case O_WRONLY: strcat (buf, "O_WRONLY"); break;
+ default: abort ();
+ }
+
+#ifdef O_APPEND
+ if (oflag & O_APPEND) strcat (buf, "|O_APPEND");
+#endif
+ if (oflag & O_CREAT) strcat (buf, "|O_CREAT");
+#ifdef O_DSYNC
+ if (oflag & O_DSYNC) strcat (buf, "|O_DSYNC");
+#endif
+ if (oflag & O_EXCL) strcat (buf, "|O_EXCL");
+#ifdef O_LARGEFILE
+ if (oflag & O_LARGEFILE) strcat (buf, "|O_LARGEFILE");
+#endif
+#ifdef O_NOCTTY
+ if (oflag & O_NOCTTY) strcat (buf, "|O_NOCTTY");
+#endif
+#ifdef O_NONBLOCK
+ if (oflag & O_NONBLOCK) strcat (buf, "|O_NONBLOCK");
+#endif
+#ifdef O_RSYNC
+ if (oflag & O_RSYNC) strcat (buf, "|O_RSYNC");
+#endif
+#ifdef O_SYNC
+ if (oflag & O_SYNC) strcat (buf, "|O_SYNC");
+#endif
+ if (oflag & O_TRUNC) strcat (buf, "|O_TRUNC");
+}
+