From e43f419a6fdf9cc66270b28297a698cf2f4c6776 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Thu, 13 Aug 2020 22:40:49 +0300
Subject: [PATCH] Patch SQLite ftruncate call only on Android.

GitOrigin-RevId: 930b58281ba5eab7d4f560e56b129d8b043fa455
---
 sqlite/sqlite/sqlite3.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sqlite/sqlite/sqlite3.c b/sqlite/sqlite/sqlite3.c
index e558fd1c7..85c45ac0d 100644
--- a/sqlite/sqlite/sqlite3.c
+++ b/sqlite/sqlite/sqlite3.c
@@ -42840,8 +42840,12 @@ static int unixLockSharedMemory(unixFile *pDbFd, unixShmNode *pShmNode){
       ** -shm header size) rather than 0 as a system debugging aid, to
       ** help detect if a -shm file truncation is legitimate or is the work
       ** or a rogue process. */
-      /* Fix SQLite DB corruption on some Samsung devices (3 changed to 0) */
+#ifdef __ANDROID__
+      /* Fix SQLite DB corruption on some Samsung devices */
       if( rc==SQLITE_OK && robust_ftruncate(pShmNode->hShm, 0) ){
+#else
+      if( rc==SQLITE_OK && robust_ftruncate(pShmNode->hShm, 3) ){
+#endif
         rc = unixLogError(SQLITE_IOERR_SHMOPEN,"ftruncate",pShmNode->zFilename);
       }
     }