File reproducible.patch of Package blobwars

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File reproducible.patch of Package blobwars

https://sourceforge.net/p/blobwars/patches/8/ (boo#1041090)

When building blobwars packages for openSUSE, we do so in disposable VMs, which means every build has a new filesystem and thus ordering of files differs for the readdir call in src/pak.cpp

See https://reproducible-builds.org for why this matters.
Index: blobwars-2.00/src/pak.cpp
===================================================================
--- blobwars-2.00.orig/src/pak.cpp
+++ blobwars-2.00/src/pak.cpp
@@ -76,7 +76,9 @@ void countFiles(const char *dirName)
 
 void recurseDirectory(const char *dirName)
 {
-	DIR *dirp, *dirp2;
+	DIR *dirp2;
+	int n;
+	struct dirent **namelist;
 	dirent *dfile;
 	gzFile fp;
 	FILE *infile;
@@ -85,9 +87,9 @@ void recurseDirectory(const char *dirNam
 	uLongf cSize = 0;
 	uLongf fSize = 0;
 
-	dirp = opendir(dirName);
+	n = scandir(dirName, &namelist, NULL, alphasort);
 
-	if (dirp == NULL)
+	if (n == -1)
 	{
 		printf("%s: Directory does not exist or is not accessable\n", dirName);
 		return;
@@ -96,10 +98,12 @@ void recurseDirectory(const char *dirNam
 	float percentage;
 	long filesize;
 
-	while ((dfile = readdir(dirp)))
+	while (n--)
 	{
+		dfile = namelist[n];
 		if (dfile->d_name[0] == '.')
 		{
+			free(dfile);
 			continue;
 		}
 
@@ -118,7 +122,6 @@ void recurseDirectory(const char *dirNam
 			if (!infile)
 			{
 				printf("Couldn't open %s for reading!\n", filename);
-				closedir(dirp);
 				fclose(pak);
 				exit(1);
 			}
@@ -140,7 +143,6 @@ void recurseDirectory(const char *dirNam
 			if (!fp)
 			{
 				printf("Couldn't open %s for reading!\n", filename);
-				closedir(dirp);
 				fclose(pak);
 				exit(1);
 			}
@@ -171,9 +173,10 @@ void recurseDirectory(const char *dirNam
 				fflush(stdout);
 			}
 		}
+		free(dfile);
 	}
 
-	closedir(dirp);
+	free(namelist);
 
 	dirs++;
 }

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File reproducible.patch of Package blobwars

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