Add varbufdupc().

ChangeLog

@@ -1,4 +1,8 @@
-Mon Jan  1 02:04:26 CST 2001 Wichert Akkerman <wakkerma@debian.org>
+Mon Jan  1 02:07:47 CST 2001 Adam Heath <doogie@debian.org>
+
+  * lib/varbuf.c, include/dpkg-db.h: Add varbufdupc().
+
+Mon Jan  1 02:04:26 CST 2001 Adam Heath <doogie@debian.org>
 
   * lib/parse.c: Use of PKGIOFF macro was checked in prematurely.
 

include/dpkg-db.h

@@ -225,6 +225,7 @@ const char *versiondescribe(const struct versionrevision*,
 struct varbuf;
 
 extern void varbufaddc(struct varbuf *v, int c);
+extern void varbufdupc(struct varbuf *v, int c, ssize_t s);
 void varbufinit(struct varbuf *v);
 void varbufreset(struct varbuf *v);
 void varbufextend(struct varbuf *v);

lib/varbuf.c

@@ -32,6 +32,17 @@ void varbufaddc(struct varbuf *v, int c) {
   v->buf[v->used++]= c;
 }
 
+void varbufdupc(struct varbuf *v, int c, ssize_t n) {
+  char *b = v->buf + v->used;
+  v->used += n;
+  if (v->used >= v->size) varbufextend(v);
+ 
+  while(n) {
+    *b= c;
+    b++; n--;
+  }
+}
+
 void varbufprintf(struct varbuf *v, const char *fmt, ...) {
   int ou, r;
   va_list al;