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-rw-r--r--lib/zlib/zconf.h29
1 files changed, 28 insertions, 1 deletions
diff --git a/lib/zlib/zconf.h b/lib/zlib/zconf.h
index 427add2..fbdf0e3 100644
--- a/lib/zlib/zconf.h
+++ b/lib/zlib/zconf.h
@@ -301,12 +301,38 @@
# endif
#endif
+/* The following definitions for FAR are needed only for MSDOS mixed
+ * model programming (small or medium model with some far allocations).
+ * This was tested only with MSC; for other MSDOS compilers you may have
+ * to define NO_MEMCPY in zutil.h. If you don't need the mixed model,
+ * just define FAR to be empty.
+ */
+#ifdef SYS16BIT
+# if defined(M_I86SM) || defined(M_I86MM)
+ /* MSC small or medium model */
+# define SMALL_MEDIUM
+# ifdef _MSC_VER
+# define FAR _far
+# else
+# define FAR far
+# endif
+# endif
+# if (defined(__SMALL__) || defined(__MEDIUM__))
+ /* Turbo C small or medium model */
+# define SMALL_MEDIUM
+# ifdef __BORLANDC__
+# define FAR _far
+# else
+# define FAR far
+# endif
+# endif
+#endif
+
/*
XXX: Not original zlib source code. The definitions of ZEXTERN, ZEXPORT
and ZEXPORTVA were removed and replaced with the following below by
David Oberhollenzer for use in in libsquashfs.
*/
-
#ifndef ZEXTERN
# if (defined(__GNUC__) || defined(__clang__)) && !defined(_WIN32)
# define ZEXTERN __attribute__ ((visibility ("hidden")))
@@ -320,6 +346,7 @@
#ifndef ZEXPORTVA
# define ZEXPORTVA
#endif
+
#ifndef FAR
# define FAR
#endif