Tsearch2 functionality migrates to core. The bulk of this work is by

Oleg Bartunov and Teodor Sigaev, but I did a lot of editorializing,
so anything that's broken is probably my fault.

Documentation is nonexistent as yet, but let's land the patch so we can
get some portability testing done.

1 files changed, 26 insertions, 0 deletions

diff --git a/src/include/snowball/libstemmer/api.h b/src/include/snowball/libstemmer/api.h
new file mode 100644
index 0000000000..8b997f0c29
--- /dev/null
+++ b/src/include/snowball/libstemmer/api.h
@@ -0,0 +1,26 @@
+
+typedef unsigned char symbol;
+
+/* Or replace 'char' above with 'short' for 16 bit characters.
+
+   More precisely, replace 'char' with whatever type guarantees the
+   character width you need. Note however that sizeof(symbol) should divide
+   HEAD, defined in header.h as 2*sizeof(int), without remainder, otherwise
+   there is an alignment problem. In the unlikely event of a problem here,
+   consult Martin Porter.
+
+*/
+
+struct SN_env {
+    symbol * p;
+    int c; int l; int lb; int bra; int ket;
+    symbol * * S;
+    int * I;
+    unsigned char * B;
+};
+
+extern struct SN_env * SN_create_env(int S_size, int I_size, int B_size);
+extern void SN_close_env(struct SN_env * z, int S_size);
+
+extern int SN_set_current(struct SN_env * z, int size, const symbol * s);
+