Add assertions to fill_window() in deflate.c to match comments.

[zlib.git] / gzguts.h

diff --git a/gzguts.h b/gzguts.h
index a0e71198e0ded362d2ede1f7e4ea0ff3e71f7774..0f8fb79f87d4f65e7f5667129c763e3a361199f2 100644 (file)
--- a/gzguts.h
+++ b/gzguts.h
@@ -3,7 +3,7 @@
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
-#if _LARGEFILE64_SOURCE
+#ifdef _LARGEFILE64_SOURCE
 #  ifndef _LARGEFILE_SOURCE
 #    define _LARGEFILE_SOURCE 1
 #  endif
@@ -12,7 +12,11 @@
 #  endif
 #endif
 
-#define ZLIB_INTERNAL
+#if ((__GNUC__-0) * 10 + __GNUC_MINOR__-0 >= 33) && !defined(NO_VIZ)
+#  define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
+#else
+#  define ZLIB_INTERNAL
+#endif
 
 #include <stdio.h>
 #include "zlib.h"
@@ -56,18 +60,12 @@
 #  endif
 #endif
 
-#if _LARGEFILE64_SOURCE
-#  define z_off64_t off64_t
-#else
-#  define z_off64_t z_off_t
-#endif
-
 /* provide prototypes for these when building zlib without LFS */
-#if _LARGEFILE64_SOURCE+0 != 1 || _LFS64_LARGEFILE+0 != 1
+#if !defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0
     ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *));
-    ZEXTERN z_off_t ZEXPORT gzseek64 OF((gzFile, off_t, int));
-    ZEXTERN z_off_t ZEXPORT gztell64 OF((gzFile));
-    ZEXTERN z_off_t ZEXPORT gzoffset64 OF((gzFile));
+    ZEXTERN z_off64_t ZEXPORT gzseek64 OF((gzFile, z_off64_t, int));
+    ZEXTERN z_off64_t ZEXPORT gztell64 OF((gzFile));
+    ZEXTERN z_off64_t ZEXPORT gzoffset64 OF((gzFile));
 #endif
 
 /* default i/o buffer size -- double this for output when reading */
@@ -118,9 +116,9 @@ typedef struct {
 typedef gz_state FAR *gz_statep;
 
 /* shared functions */
-ZEXTERN void ZEXPORT gz_error OF((gz_statep, int, const char *));
+void ZLIB_INTERNAL gz_error OF((gz_statep, int, const char *));
 #if defined UNDER_CE
-ZEXTERN char ZEXPORT *gz_strwinerror OF((DWORD error));
+char ZLIB_INTERNAL *gz_strwinerror OF((DWORD error));
 #endif
 
 /* GT_OFF(x), where x is an unsigned value, is true if x > maximum z_off64_t
@@ -129,6 +127,6 @@ ZEXTERN char ZEXPORT *gz_strwinerror OF((DWORD error));
 #ifdef INT_MAX
 #  define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > INT_MAX)
 #else
-ZEXTERN unsigned ZEXPORT gz_intmax OF((void));
+unsigned ZLIB_INTERNAL gz_intmax OF((void));
 #  define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > gz_intmax())
 #endif