From 9249f54531664424b03ac55e6120451c478d481c Mon Sep 17 00:00:00 2001
From: Stephen Lombardo <sjlombardo@zetetic.net>
Date: Tue, 23 Oct 2018 09:08:30 -0400
Subject: [PATCH] correct warnings for UAP builds

---
 src/crypto.c      | 8 ++++----
 src/crypto_impl.c | 6 ++++--
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/crypto.c b/src/crypto.c
index 15e9afe..5f89be7 100644
--- a/src/crypto.c
+++ b/src/crypto.c
@@ -336,7 +336,7 @@ int sqlcipher_codec_pragma(sqlite3* db, int iDb, Parse *pParse, const char *zLef
   if( sqlite3StrICmp(zLeft,"cipher_hmac_algorithm")==0 ){
     if(ctx) {
       if(zRight) {
-        int rc = SQLITE_ERROR;
+        rc = SQLITE_ERROR;
         if(sqlite3StrICmp(zRight, SQLCIPHER_HMAC_SHA1_LABEL) == 0) {
           rc = sqlcipher_codec_ctx_set_hmac_algorithm(ctx, SQLCIPHER_HMAC_SHA1);
         } else if(sqlite3StrICmp(zRight, SQLCIPHER_HMAC_SHA256_LABEL) == 0) {
@@ -361,7 +361,7 @@ int sqlcipher_codec_pragma(sqlite3* db, int iDb, Parse *pParse, const char *zLef
   }else 
   if( sqlite3StrICmp(zLeft,"cipher_default_hmac_algorithm")==0 ){
     if(zRight) {
-      int rc = SQLITE_ERROR;
+      rc = SQLITE_ERROR;
       if(sqlite3StrICmp(zRight, SQLCIPHER_HMAC_SHA1_LABEL) == 0) {
         rc = sqlcipher_set_default_hmac_algorithm(SQLCIPHER_HMAC_SHA1);
       } else if(sqlite3StrICmp(zRight, SQLCIPHER_HMAC_SHA256_LABEL) == 0) {
@@ -384,7 +384,7 @@ int sqlcipher_codec_pragma(sqlite3* db, int iDb, Parse *pParse, const char *zLef
   if( sqlite3StrICmp(zLeft,"cipher_kdf_algorithm")==0 ){
     if(ctx) {
       if(zRight) {
-        int rc = SQLITE_ERROR;
+        rc = SQLITE_ERROR;
         if(sqlite3StrICmp(zRight, SQLCIPHER_PBKDF2_HMAC_SHA1_LABEL) == 0) {
           rc = sqlcipher_codec_ctx_set_kdf_algorithm(ctx, SQLCIPHER_PBKDF2_HMAC_SHA1);
         } else if(sqlite3StrICmp(zRight, SQLCIPHER_PBKDF2_HMAC_SHA256_LABEL) == 0) {
@@ -407,7 +407,7 @@ int sqlcipher_codec_pragma(sqlite3* db, int iDb, Parse *pParse, const char *zLef
   }else 
   if( sqlite3StrICmp(zLeft,"cipher_default_kdf_algorithm")==0 ){
     if(zRight) {
-      int rc = SQLITE_ERROR;
+      rc = SQLITE_ERROR;
       if(sqlite3StrICmp(zRight, SQLCIPHER_PBKDF2_HMAC_SHA1_LABEL) == 0) {
         rc = sqlcipher_set_default_kdf_algorithm(SQLCIPHER_PBKDF2_HMAC_SHA1);
       } else if(sqlite3StrICmp(zRight, SQLCIPHER_PBKDF2_HMAC_SHA256_LABEL) == 0) {
diff --git a/src/crypto_impl.c b/src/crypto_impl.c
index 3b8475c..8b80cd8 100644
--- a/src/crypto_impl.c
+++ b/src/crypto_impl.c
@@ -301,8 +301,8 @@ int sqlcipher_memcmp(const void *v0, const void *v1, int len) {
 
 void sqlcipher_mlock(void *ptr, int sz) {
 #ifndef OMIT_MEMLOCK
-  int rc;
 #if defined(__unix__) || defined(__APPLE__) 
+  int rc;
   unsigned long pagesize = sysconf(_SC_PAGESIZE);
   unsigned long offset = (unsigned long) ptr % pagesize;
 
@@ -315,6 +315,7 @@ void sqlcipher_mlock(void *ptr, int sz) {
   }
 #elif defined(_WIN32)
 #if !(defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP || WINAPI_FAMILY == WINAPI_FAMILY_APP))
+  int rc;
   CODEC_TRACE("sqlcipher_mem_lock: calling VirtualLock(%p,%d)\n", ptr, sz);
   rc = VirtualLock(ptr, sz);
   if(rc==0) {
@@ -327,8 +328,8 @@ void sqlcipher_mlock(void *ptr, int sz) {
 
 void sqlcipher_munlock(void *ptr, int sz) {
 #ifndef OMIT_MEMLOCK
-  int rc;
 #if defined(__unix__) || defined(__APPLE__) 
+  int rc;
   unsigned long pagesize = sysconf(_SC_PAGESIZE);
   unsigned long offset = (unsigned long) ptr % pagesize;
 
@@ -341,6 +342,7 @@ void sqlcipher_munlock(void *ptr, int sz) {
   }
 #elif defined(_WIN32)
 #if !(defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP || WINAPI_FAMILY == WINAPI_FAMILY_APP))
+  int rc;
   CODEC_TRACE("sqlcipher_mem_lock: calling VirtualUnlock(%p,%d)\n", ptr, sz);
   rc = VirtualUnlock(ptr, sz);
   if(!rc) {