rework langinfo code for ABI compat and for use by time code

[musl] / include / sys / param.h

diff --git a/include/sys/param.h b/include/sys/param.h
index ded4a16..344c0d2 100644 (file)
--- a/include/sys/param.h
+++ b/include/sys/param.h
@@ -1,15 +1,35 @@
-#undef MAXSYMLINKS
-#define MAXSYMLINKS 20
+#ifndef _SYS_PARAM_H
+#define _SYS_PARAM_H
 
-#undef MAXHOSTNAMELEN
+#define MAXSYMLINKS 20
 #define MAXHOSTNAMELEN 64
+#define MAXNAMLEN 255
+#define MAXPATHLEN 4096
+#define NBBY 8
+#define NGROUPS 32
+#define CANBSIZE 255
+#define NOFILE 256
+#define NCARGS 131072
+#define DEV_BSIZE 512
+#define NOGROUP (-1)
 
-#undef MAXNAMLEN
-#define MAXNAMLEN NAME_MAX
+#undef MIN
+#undef MAX
+#define MIN(a,b) (((a)<(b))?(a):(b))
+#define MAX(a,b) (((a)>(b))?(a):(b))
 
-#undef MAXPATHLEN
-#define MAXPATHLEN PATH_MAX
+#define __bitop(x,i,o) ((x)[(i)/8] o (1<<(i)%8))
+#define setbit(x,i) __bitop(x,i,|=)
+#define clrbit(x,i) __bitop(x,i,&=~)
+#define isset(x,i) __bitop(x,i,&)
+#define isclr(x,i) !isset(x,i)
+
+#define howmany(n,d) (((n)+((d)-1))/(d))
+#define roundup(n,d) (howmany(n,d)*(d))
+#define powerof2(n) !(((n)-1) & (n))
 
 #include <sys/resource.h>
 #include <endian.h>
 #include <limits.h>
+
+#endif