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-rw-r--r--zutil.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/zutil.h b/zutil.h
index 60a0bca..14277bc 100644
--- a/zutil.h
+++ b/zutil.h
@@ -42,6 +42,17 @@ typedef unsigned short ush;
typedef ush FAR ushf;
typedef unsigned long ulg;
+#if !defined(Z_U8) && !defined(Z_SOLO) && defined(STDC)
+# include <limits.h>
+# if (ULONG_MAX == 0xffffffffffffffffULL)
+# define Z_U8 unsigned long
+# elif (ULLONG_MAX == 0xffffffffffffffffULL)
+# define Z_U8 unsigned long long
+# elif (UINT_MAX == 0xffffffffffffffffULL)
+# define Z_U8 unsigned
+# endif
+#endif
+
extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
/* (size given to avoid silly warnings with Visual C++) */