From cd552cf99f2201e1089cbb6af579952337fb517e Mon Sep 17 00:00:00 2001
From: drh <>
Date: Sat, 2 Aug 2025 17:37:59 +0000
Subject: [PATCH] Tag a condition in os_unix.c as unreachable.

FossilOrigin-Name: 151844ad5451295104f18f4823d2fdaf041f22bc09099f1fa3f90898aafa7ea5
---
 manifest      | 14 +++++++-------
 manifest.uuid |  2 +-
 src/os_unix.c |  2 +-
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/manifest b/manifest
index 1cea030d40..9f6a182976 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Fiddle:\smove\sthe\sAbout\sbutton\sinto\sthe\smain\stoolbar.\sExtend\sthe\sAbout\stext\swith\ssome\sinfo\swhich\sonly\sshows\sup\s(or\sis\sonly\shidden)\swhen\sterminal\smode\sis\savailable.
-D 2025-08-02T15:04:50.593
+C Tag\sa\scondition\sin\sos_unix.c\sas\sunreachable.
+D 2025-08-02T17:37:59.821
 F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@ -771,7 +771,7 @@ F src/os.h 1ff5ae51d339d0e30d8a9d814f4b8f8e448169304d83a7ed9db66a65732f3e63
 F src/os_common.h 6c0eb8dd40ef3e12fe585a13e709710267a258e2c8dd1c40b1948a1d14582e06
 F src/os_kv.c 4d39e1f1c180b11162c6dc4aa8ad34053873a639bac6baae23272fc03349986a
 F src/os_setup.h 6011ad7af5db4e05155f385eb3a9b4470688de6f65d6166b8956e58a3d872107
-F src/os_unix.c 690107e26cc4e9809eeb9826c0efdbff4a42b9cc59d0f0b855ca3e6021e1ae73
+F src/os_unix.c 39f317c26d02bad0da7f9e8c8f42eee4c8ffaee3514369f03c17eb4095195956
 F src/os_win.c 7ac69df49d2ff0432b9c96fd2d9a17a100cced6860479e584cd3337e18d09334
 F src/os_win.h 4c247cdb6d407c75186c94a1e84d5a22cbae4adcec93fcae8d2bc1f956fd1f19
 F src/pager.c 23c0f17deb892da6b32fef1f465507df7ab5cd01d774288cb43695658a649259
@@ -2213,8 +2213,8 @@ F tool/version-info.c 3b36468a90faf1bbd59c65fd0eb66522d9f941eedd364fabccd7227350
 F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
 F tool/warnings.sh 1ad0169b022b280bcaaf94a7fa231591be96b514230ab5c98fbf15cd7df842dd
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P 711bf423d213a2c468c32a48c0b09927cdfdffce36e5e4a3b35a32bfa055ff82
-R 78d40edece46f48f12d0d08dcbfbca72
-U stephan
-Z be5d83daca712789271a5e58183726be
+P da524d6c61330fb004dade810c5ad84bb6d37625786c1d0fd473593f2448d904
+R c303b43701dfa2d38e761b2e55ef3dfb
+U drh
+Z 7981436be4cfd903027816d6aefa1e28
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index 208100cdd2..34ce6e9a69 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-da524d6c61330fb004dade810c5ad84bb6d37625786c1d0fd473593f2448d904
+151844ad5451295104f18f4823d2fdaf041f22bc09099f1fa3f90898aafa7ea5
diff --git a/src/os_unix.c b/src/os_unix.c
index 7e26c84567..6fa31af560 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -5358,7 +5358,7 @@ static void unixRemapfile(
 #endif
 
     /* The attempt to extend the existing mapping failed. Free it. */
-    if( pNew==MAP_FAILED || pNew==0 ){
+    if( pNew==MAP_FAILED || NEVER(pNew==0) ){
       osMunmap(pOrig, nReuse);
     }
   }
-- 
2.47.2