x/crypto/otr: reformat the libotr test harness with clang-format.

We have clang-format these days to eliminate any worries about C-code
formatting.

Change-Id: I86433d99f786ac4091c39eb4a41422c5a18d4d4a
Reviewed-on: https://go-review.googlesource.com/16937
Reviewed-by: Andrew Gerrand <adg@golang.org>

otr/libotr_test_helper.c

@@ -21,95 +21,109 @@ OtrlPolicy policy(void *opdata, ConnContext *context) {
   return OTRL_POLICY_ALWAYS;
 }
 
-int is_logged_in(void *opdata, const char *accountname, const char *protocol, const char *recipient) {
+int is_logged_in(void *opdata, const char *accountname, const char *protocol,
+                 const char *recipient) {
   return 1;
 }
 
-void inject_message(void *opdata, const char *accountname, const char *protocol, const char *recipient, const char *message) {
+void inject_message(void *opdata, const char *accountname, const char *protocol,
+                    const char *recipient, const char *message) {
   printf("%s\n", message);
   fflush(stdout);
   fprintf(stderr, "libotr helper sent: %s\n", message);
 }
 
-void update_context_list(void *opdata) {
-}
+void update_context_list(void *opdata) {}
 
-void new_fingerprint(void *opdata, OtrlUserState us, const char *accountname, const char *protocol, const char *username, unsigned char fingerprint[20]) {
-        fprintf(stderr, "NEW FINGERPRINT\n");
-        g_session_established = 1;
+void new_fingerprint(void *opdata, OtrlUserState us, const char *accountname,
+                     const char *protocol, const char *username,
+                     unsigned char fingerprint[20]) {
+  fprintf(stderr, "NEW FINGERPRINT\n");
+  g_session_established = 1;
 }
 
-void write_fingerprints(void *opdata) {
-}
+void write_fingerprints(void *opdata) {}
 
-void gone_secure(void *opdata, ConnContext *context) {
-}
+void gone_secure(void *opdata, ConnContext *context) {}
 
-void gone_insecure(void *opdata, ConnContext *context) {
-}
+void gone_insecure(void *opdata, ConnContext *context) {}
 
-void still_secure(void *opdata, ConnContext *context, int is_reply) {
-}
+void still_secure(void *opdata, ConnContext *context, int is_reply) {}
 
-int max_message_size(void *opdata, ConnContext *context) {
-  return 99999;
-}
+int max_message_size(void *opdata, ConnContext *context) { return 99999; }
 
-const char *account_name(void *opdata, const char *account, const char *protocol) {
-        return "ACCOUNT";
+const char *account_name(void *opdata, const char *account,
+                         const char *protocol) {
+  return "ACCOUNT";
 }
 
-void account_name_free(void *opdata, const char *account_name) {
-}
+void account_name_free(void *opdata, const char *account_name) {}
 
-const char *error_message(void *opdata, ConnContext *context, OtrlErrorCode err_code) {
-        return "ERR";
+const char *error_message(void *opdata, ConnContext *context,
+                          OtrlErrorCode err_code) {
+  return "ERR";
 }
 
-void error_message_free(void *opdata, const char *msg) {
-}
+void error_message_free(void *opdata, const char *msg) {}
 
-void resent_msg_prefix_free(void *opdata, const char *prefix) {
-}
+void resent_msg_prefix_free(void *opdata, const char *prefix) {}
 
-void handle_smp_event(void *opdata, OtrlSMPEvent smp_event, ConnContext *context, unsigned short progress_event, char *question) {
-}
+void handle_smp_event(void *opdata, OtrlSMPEvent smp_event,
+                      ConnContext *context, unsigned short progress_event,
+                      char *question) {}
 
-void handle_msg_event(void *opdata, OtrlMessageEvent msg_event, ConnContext *context, const char *message, gcry_error_t err) {
-        fprintf(stderr, "msg event: %d %s\n", msg_event, message);
+void handle_msg_event(void *opdata, OtrlMessageEvent msg_event,
+                      ConnContext *context, const char *message,
+                      gcry_error_t err) {
+  fprintf(stderr, "msg event: %d %s\n", msg_event, message);
 }
 
 OtrlMessageAppOps uiops = {
-  policy,
-  NULL,
-  is_logged_in,
-  inject_message,
-  update_context_list,
-  new_fingerprint,
-  write_fingerprints,
-  gone_secure,
-  gone_insecure,
-  still_secure,
-  max_message_size,
-  account_name,
-  account_name_free,
-  NULL, /* received_symkey */
-  error_message,
-  error_message_free,
-  NULL, /* resent_msg_prefix */
-  resent_msg_prefix_free,
-  handle_smp_event,
-  handle_msg_event,
-  NULL /* create_instag */,
-  NULL /* convert_msg */,
-  NULL /* convert_free */,
-  NULL /* timer_control */,
+    policy,
+    NULL,
+    is_logged_in,
+    inject_message,
+    update_context_list,
+    new_fingerprint,
+    write_fingerprints,
+    gone_secure,
+    gone_insecure,
+    still_secure,
+    max_message_size,
+    account_name,
+    account_name_free,
+    NULL, /* received_symkey */
+    error_message,
+    error_message_free,
+    NULL, /* resent_msg_prefix */
+    resent_msg_prefix_free,
+    handle_smp_event,
+    handle_msg_event,
+    NULL /* create_instag */,
+    NULL /* convert_msg */,
+    NULL /* convert_free */,
+    NULL /* timer_control */,
 };
 
-static const char kPrivateKeyData[] = "(privkeys (account (name \"account\") (protocol proto) (private-key (dsa (p #00FC07ABCF0DC916AFF6E9AE47BEF60C7AB9B4D6B2469E436630E36F8A489BE812486A09F30B71224508654940A835301ACC525A4FF133FC152CC53DCC59D65C30A54F1993FE13FE63E5823D4C746DB21B90F9B9C00B49EC7404AB1D929BA7FBA12F2E45C6E0A651689750E8528AB8C031D3561FECEE72EBB4A090D450A9B7A857#) (q #00997BD266EF7B1F60A5C23F3A741F2AEFD07A2081#) (g #535E360E8A95EBA46A4F7DE50AD6E9B2A6DB785A66B64EB9F20338D2A3E8FB0E94725848F1AA6CC567CB83A1CC517EC806F2E92EAE71457E80B2210A189B91250779434B41FC8A8873F6DB94BEA7D177F5D59E7E114EE10A49CFD9CEF88AE43387023B672927BA74B04EB6BBB5E57597766A2F9CE3857D7ACE3E1E3BC1FC6F26#) (y #0AC8670AD767D7A8D9D14CC1AC6744CD7D76F993B77FFD9E39DF01E5A6536EF65E775FCEF2A983E2A19BD6415500F6979715D9FD1257E1FE2B6F5E1E74B333079E7C880D39868462A93454B41877BE62E5EF0A041C2EE9C9E76BD1E12AE25D9628DECB097025DD625EF49C3258A1A3C0FF501E3DC673B76D7BABF349009B6ECF#) (x #14D0345A3562C480A039E3C72764F72D79043216#)))))\n";
-
-int
-main() {
+static const char kPrivateKeyData[] =
+    "(privkeys (account (name \"account\") (protocol proto) (private-key (dsa "
+    "(p "
+    "#00FC07ABCF0DC916AFF6E9AE47BEF60C7AB9B4D6B2469E436630E36F8A489BE812486A09F"
+    "30B71224508654940A835301ACC525A4FF133FC152CC53DCC59D65C30A54F1993FE13FE63E"
+    "5823D4C746DB21B90F9B9C00B49EC7404AB1D929BA7FBA12F2E45C6E0A651689750E8528AB"
+    "8C031D3561FECEE72EBB4A090D450A9B7A857#) (q "
+    "#00997BD266EF7B1F60A5C23F3A741F2AEFD07A2081#) (g "
+    "#535E360E8A95EBA46A4F7DE50AD6E9B2A6DB785A66B64EB9F20338D2A3E8FB0E94725848F"
+    "1AA6CC567CB83A1CC517EC806F2E92EAE71457E80B2210A189B91250779434B41FC8A8873F"
+    "6DB94BEA7D177F5D59E7E114EE10A49CFD9CEF88AE43387023B672927BA74B04EB6BBB5E57"
+    "597766A2F9CE3857D7ACE3E1E3BC1FC6F26#) (y "
+    "#0AC8670AD767D7A8D9D14CC1AC6744CD7D76F993B77FFD9E39DF01E5A6536EF65E775FCEF"
+    "2A983E2A19BD6415500F6979715D9FD1257E1FE2B6F5E1E74B333079E7C880D39868462A93"
+    "454B41877BE62E5EF0A041C2EE9C9E76BD1E12AE25D9628DECB097025DD625EF49C3258A1A"
+    "3C0FF501E3DC673B76D7BABF349009B6ECF#) (x "
+    "#14D0345A3562C480A039E3C72764F72D79043216#)))))\n";
+
+int main() {
   OTRL_INIT;
 
   // We have to write the private key information to a file because the libotr
@@ -120,12 +134,13 @@ main() {
   }
 
   char private_key_file[256];
-  snprintf(private_key_file, sizeof(private_key_file), "%s/libotr_test_helper_privatekeys-XXXXXX", tmpdir);
+  snprintf(private_key_file, sizeof(private_key_file),
+           "%s/libotr_test_helper_privatekeys-XXXXXX", tmpdir);
   int fd = mkstemp(private_key_file);
   if (fd == -1) {
     perror("creating temp file");
   }
-  write(fd, kPrivateKeyData, sizeof(kPrivateKeyData)-1);
+  write(fd, kPrivateKeyData, sizeof(kPrivateKeyData) - 1);
   close(fd);
 
   OtrlUserState userstate = otrl_userstate_create();
@@ -137,7 +152,7 @@ main() {
   char buf[4096];
 
   for (;;) {
-    char* message = fgets(buf, sizeof(buf), stdin);
+    char *message = fgets(buf, sizeof(buf), stdin);
     if (strlen(message) == 0) {
       break;
     }
@@ -146,9 +161,11 @@ main() {
 
     char *newmessage = NULL;
     OtrlTLV *tlvs;
-    int ignore_message = otrl_message_receiving(userstate, &uiops, NULL, "account", "proto", "peer", message, &newmessage, &tlvs, NULL, NULL, NULL);
+    int ignore_message = otrl_message_receiving(
+        userstate, &uiops, NULL, "account", "proto", "peer", message,
+        &newmessage, &tlvs, NULL, NULL, NULL);
     if (tlvs) {
-            otrl_tlv_free(tlvs);
+      otrl_tlv_free(tlvs);
     }
 
     if (newmessage != NULL) {
@@ -158,7 +175,9 @@ main() {
       gcry_error_t err;
       char *newmessage = NULL;
 
-      err = otrl_message_sending(userstate, &uiops, NULL, "account", "proto", "peer", 0, "test message", NULL, &newmessage, OTRL_FRAGMENT_SEND_SKIP, NULL, NULL, NULL);
+      err = otrl_message_sending(userstate, &uiops, NULL, "account", "proto",
+                                 "peer", 0, "test message", NULL, &newmessage,
+                                 OTRL_FRAGMENT_SEND_SKIP, NULL, NULL, NULL);
       if (newmessage == NULL) {
         fprintf(stderr, "libotr didn't encrypt message\n");
         return 1;