1 files changed, 48 insertions, 0 deletions
diff --git a/contrib/tsearch2/snowball/api.c b/contrib/tsearch2/snowball/api.c
new file mode 100644
index 00000000000..c9019ce973e
--- /dev/null
+++ b/contrib/tsearch2/snowball/api.c
@@ -0,0 +1,48 @@
+
+#include "header.h"
+
+extern struct SN_env * SN_create_env(int S_size, int I_size, int B_size)
+{   struct SN_env * z = (struct SN_env *) calloc(1, sizeof(struct SN_env));
+    z->p = create_s();
+    if (S_size)
+    {   z->S = (symbol * *) calloc(S_size, sizeof(symbol *));
+        {   int i;
+            for (i = 0; i < S_size; i++) z->S[i] = create_s();
+        }
+        z->S_size = S_size;
+    }
+
+    if (I_size)
+    {   z->I = (int *) calloc(I_size, sizeof(int));
+        z->I_size = I_size;
+    }
+
+    if (B_size)
+    {   z->B = (symbol *) calloc(B_size, sizeof(symbol));
+        z->B_size = B_size;
+    }
+
+    return z;
+}
+
+extern void SN_close_env(struct SN_env * z)
+{
+    if (z->S_size)
+    {
+        {   int i;
+            for (i = 0; i < z->S_size; i++) lose_s(z->S[i]);
+        }
+        free(z->S);
+    }
+    if (z->I_size) free(z->I);
+    if (z->B_size) free(z->B);
+    if (z->p) lose_s(z->p);
+    free(z);
+}
+
+extern void SN_set_current(struct SN_env * z, int size, const symbol * s)
+{
+    replace_s(z, 0, z->l, size, s);
+    z->c = 0;
+}
+