File _service:tar_scm:backport-avoid-uninitialized-a... of Package zlib

File _service:tar_scm:backport-avoid-uninitialized-and-unused-warnings-in-contrib-minizip.patch of Package zlib

From 25bbd7f5a6a172b83b59fab7a80c55d1533dd100 Mon Sep 17 00:00:00 2001
From: Mark Adler <madler@alumni.caltech.edu>
Date: Thu, 17 Aug 2023 21:40:28 -0700
Subject: [PATCH] Avoid uninitialized and unused warnings in contrib/minizip.

Reference:https://github.com/madler/zlib/commit/25bbd7f5a6a172b83b59fab7a80c55d1533dd100
Conflict:NA
---
 contrib/minizip/miniunz.c | 10 ++++++++--
 contrib/minizip/minizip.c |  2 +-
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/contrib/minizip/miniunz.c b/contrib/minizip/miniunz.c
index 3d65401..507820d 100644
--- a/contrib/minizip/miniunz.c
+++ b/contrib/minizip/miniunz.c
@@ -113,7 +113,11 @@ void change_file_date(filename,dosdate,tmu_date)
 
   ut.actime=ut.modtime=mktime(&newdate);
   utime(filename,&ut);
-#endif
+#else
+  (void)filename;
+  (void)dosdate;
+  (void)tmu_date;
+#endif  
 #endif
 }
 
@@ -131,6 +135,8 @@ int mymkdir(dirname)
     ret = mkdir (dirname,0775);
 #elif __APPLE__
     ret = mkdir (dirname,0775);
+#else
+    (void)dirname;	
 #endif
     return ret;
 }
@@ -248,7 +254,7 @@ int do_list(uf)
         char filename_inzip[256];
         unz_file_info64 file_info;
         uLong ratio=0;
-        const char *string_method;
+        const char *string_method = "";
         char charCrypt=' ';
         err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
         if (err!=UNZ_OK)
diff --git a/contrib/minizip/minizip.c b/contrib/minizip/minizip.c
index c5d9cc6..5dde38f 100644
--- a/contrib/minizip/minizip.c
+++ b/contrib/minizip/minizip.c
@@ -395,7 +395,7 @@ int main(argc,argv)
                    ((argv[i][1]>='0') && (argv[i][1]<='9'))) &&
                   (strlen(argv[i]) == 2)))
             {
-                FILE * fin;
+                FILE * fin = NULL;
                 size_t size_read;
                 const char* filenameinzip = argv[i];
                 const char *savefilenameinzip;
-- 
2.27.0