From 1367fe1bafa1b877f4f92361294eab3a1dd3c11c Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Sun, 28 Aug 2016 01:20:44 -0400
Subject: fix te-parser.c

---
 te-parser.c | 80 +++++++++++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 60 insertions(+), 20 deletions(-)

(limited to 'te-parser.c')

diff --git a/te-parser.c b/te-parser.c
index 507038b..53b690f 100644
--- a/te-parser.c
+++ b/te-parser.c
@@ -44,11 +44,30 @@ fhp_te_parser_init(fhp_te_parser_t * const te) {
   return FHP_OK;
 }
 
+static fhp_err_t
+fhp_te_parser_push_te(
+  fhp_te_parser_t * const te,
+  uint32_t hash
+) {
+  // check number of transfer encodings
+  if (te->num_tes + 1 >= FHP_TE_MAX_TES)
+    return FHP_ERR_TOO_MANY_TES;
+
+  // add to list of transfer encodings
+  te->tes[te->num_tes] = hash;
+  te->num_tes++;
+
+  // return success
+  return FHP_OK;
+}
+
 static fhp_err_t
 fhp_te_parser_push_byte(
   fhp_te_parser_t * const te,
   uint8_t byte
 ) {
+  fhp_err_t err;
+
 retry:
   switch (te->state) {
   case FHP_TE_STATE_INIT:
@@ -69,14 +88,9 @@ retry:
       if (te->len > 0)
         fhp_te_parser_buf_flush(te);
 
-      // check number of encodings
-      if (te->num_tes + 1 >= FHP_TE_MAX_TES)
-        return FHP_ERR_TOO_MANY_TES;
-
-      // add to list of transfer encodings
-      // FIXME: check length
-      te->tes[te->num_tes] = te->buf_hash;
-      te->num_tes++;
+      // push te
+      if ((err = fhp_te_parser_push_te(te, te->buf_hash)) != FHP_OK)
+        return err;
 
       // set state
       te->state = FHP_TE_STATE_IGNORE_UNTIL_COMMA;
@@ -87,14 +101,9 @@ retry:
       if (te->len > 0)
         fhp_te_parser_buf_flush(te);
 
-      // check number of encodings
-      if (te->num_tes + 1 >= FHP_TE_MAX_TES)
-        return FHP_ERR_TOO_MANY_TES;
-
-      // add to list of transfer encodings
-      // FIXME: check length
-      te->tes[te->num_tes] = te->buf_hash;
-      te->num_tes++;
+      // push te
+      if ((err = fhp_te_parser_push_te(te, te->buf_hash)) != FHP_OK)
+        return err;
 
       // set state
       te->state = FHP_TE_STATE_SPACE;
@@ -115,7 +124,7 @@ retry:
       break;
     default:
       // do nothing (ignore)
-      NULL;
+      break;
     }
 
     break;
@@ -166,8 +175,11 @@ fhp_te_parser_push(
   size_t len
 ) {
   for (size_t i = 0; i < len; i++) {
+    // debug
+    // fprintf(stderr, "fhp_te_parser_push(): i = %lu, byte = %u\n", i, buf[i]);
+
     // push byte
-    fhp_err_t err = fhp_te_parser_push_byte(te, buf[len]);
+    fhp_err_t err = fhp_te_parser_push_byte(te, buf[i]);
 
     // check error
     if (err != FHP_OK) {
@@ -187,8 +199,11 @@ fhp_te_parser_push(
 }
 
 fhp_err_t
-fhp_te_parser_done(fhp_te_parser_t * const te) {
-  uint8_t buf[1] = { 20 };
+fhp_te_parser_done(
+  fhp_te_parser_t * const te,
+  size_t * const ret_num_tes
+) {
+  uint8_t buf[1] = { ' ' };
 
   // flush data, check for error
   fhp_err_t err = fhp_te_parser_push(te, buf, 1);
@@ -198,6 +213,31 @@ fhp_te_parser_done(fhp_te_parser_t * const te) {
   // set state
   te->state = FHP_TE_STATE_DONE;
 
+  // save number of tes
+  if (ret_num_tes)
+    *ret_num_tes = te->num_tes;
+
+  // return success
+  return FHP_OK;
+}
+
+fhp_err_t
+fhp_te_parser_get_tes(
+  fhp_te_parser_t * const te,
+  uint32_t * const hashes,
+  size_t hashes_len
+) {
+  // check buffer
+  if (!hashes)
+    return FHP_ERR_NULL_TE_BUF;
+
+  // check size
+  if (hashes_len < te->num_tes)
+    return FHP_ERR_SMALL_TE_BUF;
+
+  // copy data
+  memcpy(hashes, te->tes, te->num_tes * sizeof(uint32_t));
+
   // return success
   return FHP_OK;
 }
-- 
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