+
+/*
+ * Reallocate the buffer `old', using the ODR memory pool `o' to be
+ * big enough to hold its existing value (if any) plus `prefix' (if
+ * any) and a separator character. Copy `prefix', a forward slash and
+ * the old value into the new area and return its address. Can be
+ * used as follows:
+ * initRequest->implementationName = odr_prepend(o,
+ * initRequest->implementationName, "ZOOM-C");
+ */
+char *odr_prepend(ODR o, const char *prefix, const char *old)
+{
+ int plen = (prefix == 0) ? 0 : strlen(prefix);
+ int olen = (old == 0) ? 0 : strlen(old);
+ char *res = (char*) odr_malloc (o, olen + plen + 2);
+
+ *res = '\0';
+ if (prefix != 0)
+ strcpy (res, prefix);
+ if (prefix != 0 && old != 0)
+ strcat (res, "/");
+ if (old !=0)
+ strcat (res, old);
+
+ return res;
+}
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+