pack: Use a user-configurable macro to select 64 bit packing.

[upkg.git] / src / pack.h

diff --git a/src/pack.h b/src/pack.h
index 8413fdb71c3c2b542484127c907697aa00e9049d..d47ddc4d6c927b8bc0b6f078faa3a0e83b26a70f 100644 (file)
--- a/src/pack.h
+++ b/src/pack.h
@@ -12,40 +12,43 @@
 #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(const unsigned char *);
 unsigned long  unpack_32_be(const unsigned char *);
-#ifdef ULLONG_MAX
+#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 *);
-#ifdef ULLONG_MAX
+#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 *);
-#ifdef LLONG_MAX
+#if PACK_HAVE_64BIT
 long long unpack_s64_be(const unsigned char *);
 #endif
 
 short unpack_s16_le(const unsigned char *);
 long  unpack_s32_le(const unsigned char *);
-#ifdef LLONG_MAX
+#if PACK_HAVE_64BIT
 long long unpack_s64_le(const unsigned char *);
 #endif