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authorDarren Tucker <dtucker@zip.com.au>2017-05-01 13:53:07 +1000
committerDarren Tucker <dtucker@zip.com.au>2017-05-01 13:53:55 +1000
commitd29ba6f45086703fdcb894532848ada3427dfde6 (patch)
treec00e2be2bcf21ab31e065a4a92b1c5f041473425 /defines.h
parent329037e389f02ec95c8e16bf93ffede94d3d44ce (diff)
Define INT32_MAX and INT64_MAX if needed.
Diffstat (limited to 'defines.h')
-rw-r--r--defines.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/defines.h b/defines.h
index c89f85a8..0420a7e8 100644
--- a/defines.h
+++ b/defines.h
@@ -328,6 +328,28 @@ typedef unsigned int size_t;
#define SIZE_MAX SIZE_T_MAX
#endif
+#ifndef INT32_MAX
+# if (SIZEOF_INT == 4)
+# define INT32_MAX INT_MAX
+# elif (SIZEOF_LONG == 4)
+# define INT32_MAX LONG_MAX
+# else
+# error "need INT32_MAX"
+# endif
+#endif
+
+#ifndef INT64_MAX
+# if (SIZEOF_INT == 8)
+# define INT64_MAX INT_MAX
+# elif (SIZEOF_LONG == 8)
+# define INT64_MAX LONG_MAX
+# elif (SIZEOF_LONG_LONG_INT == 8)
+# define INT64_MAX LLONG_MAX
+# else
+# error "need INT64_MAX"
+# endif
+#endif
+
#ifndef HAVE_SSIZE_T
typedef int ssize_t;
# define HAVE_SSIZE_T