fmttest.c: Clear output buffer after each write.

Otherwise each write outputs the whole buffer again, including what's
already appeared.  Instead of the three lines 1, 2, 3, one sees 1, 1, 2,
1, 2, 3.

diff --git a/uip/fmttest.c b/uip/fmttest.c
index db16ae7..e330838 100644 (file)
--- a/uip/fmttest.c
+++ b/uip/fmttest.c
@@ -473,6 +473,7 @@ process_addresses(struct format *fmt, struct msgs_array *addrs,
 
            fmt_scan(fmt, buffer, outwidth, dat, cb);
            fputs(charstring_buffer(buffer), stdout);
+            charstring_clear(buffer);
            mlistfree();
 
             free(p->pq_text);
@@ -699,6 +700,7 @@ finished:
     }
     fmt_scan(fmt, buffer, outwidth, dat, cb);
     fputs(charstring_buffer (buffer), stdout);
+    charstring_clear(buffer);
     mlistfree();
 }
 
@@ -732,6 +734,7 @@ process_raw(struct format *fmt, struct msgs_array *text, charstring_t buffer,
 
        fmt_scan(fmt, buffer, outwidth, dat, cb);
        fputs(charstring_buffer (buffer), stdout);
+        charstring_clear(buffer);
        mlistfree();
     }
 }