- add repodata_dir2str function

[platform/upstream/libsolv.git] / src / repodata.c

diff --git a/src/repodata.c b/src/repodata.c
index 53571c7..fe64c30 100644 (file)
--- a/src/repodata.c
+++ b/src/repodata.c
@@ -1487,6 +1487,52 @@ repodata_str2dir(Repodata *data, const char *dir, int create)
   return parent;
 }
 
+const char *
+repodata_dir2str(Repodata *data, Id did, const char *suf)
+{
+  Pool *pool = data->repo->pool;
+  int l = 0;
+  Id parent, comp;
+  const char *comps;
+  char *p;
+
+  if (!did)
+    return suf ? suf : "";
+  parent = did;
+  while (parent)
+    {
+      comp = dirpool_compid(&data->dirpool, parent);
+      comps = stringpool_id2str(data->localpool ? &data->spool : &pool->ss, comp);
+      l += strlen(comps);
+      parent = dirpool_parent(&data->dirpool, parent);
+      if (parent)
+       l++;
+    }
+  if (suf)
+    l += strlen(suf) + 1;
+  p = pool_alloctmpspace(pool, l + 1) + l;
+  *p = 0;
+  if (suf)
+    {
+      p -= strlen(suf);
+      strcpy(p, suf);
+      *--p = '/';
+    }
+  parent = did;
+  while (parent)
+    {
+      comp = dirpool_compid(&data->dirpool, parent);
+      comps = stringpool_id2str(data->localpool ? &data->spool : &pool->ss, comp);
+      l = strlen(comps);
+      p -= l;
+      strncpy(p, comps, l);
+      parent = dirpool_parent(&data->dirpool, parent);
+      if (parent)
+        *--p = '/';
+    }
+  return p;
+}
+
 unsigned int
 repodata_compress_page(unsigned char *page, unsigned int len, unsigned char *cpage, unsigned int max)
 {