X-Git-Url: https://git.draconx.ca/gitweb/upkg.git/blobdiff_plain/a9b51e6d85e077f8e18c35ac3606d80b343927e0..5aaf7aaa7d95bb26178ae2c192b84401f5544244:/src/pack.h

diff --git a/src/pack.h b/src/pack.h
index 283f28c..7cc3440 100644
--- a/src/pack.h
+++ b/src/pack.h
@@ -1,30 +1,55 @@
+/*
+ *  Portable binary serialisation of integral types.
+ *  Copyright © 2009 Nick Bowler
+ *
+ *  Copying and distribution of this file, with or without modification,
+ *  are permitted in any medium without royalty provided the copyright
+ *  notice and this notice are preserved.  This file is offered as-is,
+ *  without any warranty.
+ */
+
 #ifndef PACK_H_
 #define PACK_H_
 
 #include <limits.h>
+#if !defined(PACK_HAVE_64BIT) && defined(ULLONG_MAX) && defined(LLONG_MAX)
+#	define PACK_HAVE_64BIT 1
+#endif
 
 void pack_16_be(unsigned char *, unsigned short);
 void pack_32_be(unsigned char *, unsigned long);
-#ifdef ULLONG_MAX
+#if PACK_HAVE_64BIT
 void pack_64_be(unsigned char *, unsigned long long);
 #endif
 
 void pack_16_le(unsigned char *, unsigned short);
 void pack_32_le(unsigned char *, unsigned long);
-#ifdef ULLONG_MAX
+#if PACK_HAVE_64BIT
 void pack_64_le(unsigned char *, unsigned long long);
 #endif
 
-unsigned short unpack_16_be(unsigned char *);
-unsigned long  unpack_32_be(unsigned char *);
-#ifdef ULLONG_MAX
-unsigned long long unpack_64_be(unsigned char *);
+unsigned short unpack_16_be(const unsigned char *);
+unsigned long  unpack_32_be(const unsigned char *);
+#if PACK_HAVE_64BIT
+unsigned long long unpack_64_be(const unsigned char *);
+#endif
+
+unsigned short unpack_16_le(const unsigned char *);
+unsigned long  unpack_32_le(const unsigned char *);
+#if PACK_HAVE_64BIT
+unsigned long long unpack_64_le(const unsigned char *);
+#endif
+
+short unpack_s16_be(const unsigned char *);
+long  unpack_s32_be(const unsigned char *);
+#if PACK_HAVE_64BIT
+long long unpack_s64_be(const unsigned char *);
 #endif
 
-unsigned short unpack_16_le(unsigned char *);
-unsigned long  unpack_32_le(unsigned char *);
-#ifdef ULLONG_MAX
-unsigned long long unpack_64_le(unsigned char *);
+short unpack_s16_le(const unsigned char *);
+long  unpack_s32_le(const unsigned char *);
+#if PACK_HAVE_64BIT
+long long unpack_s64_le(const unsigned char *);
 #endif
 
 #endif