File zlib.patch of Package tboot

Index: tboot-1.7.0/lcptools/mlehash.c
===================================================================
--- tboot-1.7.0.orig/lcptools/mlehash.c
+++ tboot-1.7.0/lcptools/mlehash.c
@@ -233,8 +233,8 @@ static void print_dump(uint32_t s, uint3
  */
 static bool read_file(const char *filename, void **buffer, size_t *length)
 {
-    FILE *fcompressed = NULL;
-    FILE *fdecompressed = NULL;
+    gzFile fcompressed = NULL;
+    FILE   *fdecompressed = NULL;
     struct stat filestat;
     char tmpbuffer[1024];
     unsigned long i;
Index: tboot-1.7.0/tb_polgen/commands.c
===================================================================
--- tboot-1.7.0.orig/tb_polgen/commands.c
+++ tboot-1.7.0/tb_polgen/commands.c
@@ -54,26 +54,31 @@ extern tb_policy_t *g_policy;
 static bool hash_file(const char *filename, bool unzip, tb_hash_t *hash)
 {
     FILE *f;
+    gzFile gf;
     static char buf[1024];
     EVP_MD_CTX ctx;
     const EVP_MD *md;
     int read_cnt;
 
-    if ( unzip )
-        f = gzopen(filename, "rb");
-    else
+    if ( unzip ) {
+        gf = gzopen(filename, "rb");
+        if ( gf == NULL ) {
+            error_msg("File %s does not exist\n", filename);
+            return false;
+        }
+    } else {
         f = fopen(filename, "rb");
-
-    if ( f == NULL ) {
-        error_msg("File %s does not exist\n", filename);
-        return false;
+        if ( f == NULL ) {
+            error_msg("File %s does not exist\n", filename);
+            return false;
+        }
     }
 
     md = EVP_sha1();
     EVP_DigestInit(&ctx, md);
     do {
         if ( unzip )
-            read_cnt = gzread(f, buf, sizeof(buf));
+            read_cnt = gzread(gf, buf, sizeof(buf));
         else
             read_cnt = fread(buf, 1, sizeof(buf), f);
         if ( read_cnt == 0 )
@@ -84,7 +89,7 @@ static bool hash_file(const char *filena
     EVP_DigestFinal(&ctx, hash->sha1, NULL);
 
     if ( unzip )
-        gzclose(f);
+        gzclose(gf);
     else
         fclose(f);