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-rw-r--r--include/busybox.h17
1 files changed, 6 insertions, 11 deletions
diff --git a/include/busybox.h b/include/busybox.h
index 8285494ef..aaa844f43 100644
--- a/include/busybox.h
+++ b/include/busybox.h
@@ -31,6 +31,12 @@
#include <sys/stat.h>
#include <sys/types.h>
+#if __GNU_LIBRARY__ < 5
+#ifndef __dietlibc__
+#error "Sorry, libc5 is not supported"
+#endif
+#endif
+
#define BB_BANNER "BusyBox v" BB_VER " (" BB_BT ")"
#ifdef DMALLOC
@@ -93,17 +99,6 @@ extern const struct BB_applet applets[];
#endif
-/* Bit map related macros -- libc5 doens't provide these... sigh. */
-#ifndef setbit
-#ifndef NBBY
-#define NBBY CHAR_BIT
-#endif
-#define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
-#define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
-#define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
-#define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
-#endif
-
#ifndef RB_POWER_OFF
/* Stop system and switch power off if possible. */
#define RB_POWER_OFF 0x4321fedc