summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--include/limits.h12
1 files changed, 10 insertions, 2 deletions
diff --git a/include/limits.h b/include/limits.h
index 56f7a12f..25773ee4 100644
--- a/include/limits.h
+++ b/include/limits.h
@@ -5,14 +5,22 @@
#include <bits/limits.h>
+/* Support signed or unsigned plain-char */
+
+#ifdef __CHAR_UNSIGNED__
+#define CHAR_MIN 0
+#define CHAR_MAX 255
+#else
+#define CHAR_MIN (-128)
+#define CHAR_MAX 127
+#endif
+
/* Some universal constants... */
#define CHAR_BIT 8
#define SCHAR_MIN (-128)
#define SCHAR_MAX 127
#define UCHAR_MAX 255
-#define CHAR_MIN (-128)
-#define CHAR_MAX 127
#define SHRT_MIN (-1-0x7fff)
#define SHRT_MAX 0x7fff
#define USHRT_MAX 0xffff