use IMIN macro to save call overhead

[unix-history] / usr / src / sys / kern / subr_xxx.c

diff --git a/usr/src/sys/kern/subr_xxx.c b/usr/src/sys/kern/subr_xxx.c
index 67ff7b4..9b0be5b 100644 (file)
--- a/usr/src/sys/kern/subr_xxx.c
+++ b/usr/src/sys/kern/subr_xxx.c
@@ -1,4 +1,6 @@
-/*     subr_xxx.c      4.19    82/10/17        */
+/*     subr_xxx.c      6.3     84/07/28        */
+
+#include "../machine/pte.h"

 
 #include "../h/param.h"
 #include "../h/systm.h"
 
 #include "../h/param.h"
 #include "../h/systm.h"


@@ -10,7 +12,6 @@
 #include "../h/proc.h"
 #include "../h/fs.h"
 #include "../h/vm.h"
 #include "../h/proc.h"
 #include "../h/fs.h"
 #include "../h/vm.h"

-#include "../h/pte.h"

 #include "../h/cmap.h"
 #include "../h/uio.h"
 
 #include "../h/cmap.h"
 #include "../h/uio.h"
 


@@ -96,26 +97,23 @@ calloc(size)
        return (res);
 }
 
        return (res);
 }
 

-#ifndef vax
-ffs(mask)
-       register long mask;
+/*
+ * Stub routine in case it is ever possible to free space.
+ */
+cfreemem(cp, size)
+       caddr_t cp;
+       int size;

 {
 {

-       register int i;
-
-       for(i=1; i<NSIG; i++) {
-               if (mask & 1)
-                       return (i);
-               mask >>= 1;
-       }
-       return (0);
+       printf("freeing %x, size %d\n", cp, size);

 }
 
 }
 

+#ifndef vax

 ffs(mask)
        register long mask;
 {
        register int i;
 
 ffs(mask)
        register long mask;
 {
        register int i;
 

-       for(i=1; i<NSIG; i++) {
+       for(i = 1; i < NSIG; i++) {

                if (mask & 1)
                        return (i);
                mask >>= 1;
                if (mask & 1)
                        return (i);
                mask >>= 1;


@@ -128,7 +126,7 @@ bcmp(s1, s2, len)
        register int len;
 {
 
        register int len;
 {
 

-       while (--len)
+       while (len--)

                if (*s1++ != *s2++)
                        return (1);
        return (0);
                if (*s1++ != *s2++)
                        return (1);
        return (0);


@@ -144,41 +142,3 @@ strlen(s1)
        return (len);
 }
 #endif
        return (len);
 }
 #endif

-
-/*
- * Pass back c to the user.
- */
-passuc(c, uio)
-       register c;
-       struct uio *uio;
-{
-       register struct iovec *iov = uio->uio_iov;
-
-       switch (uio->uio_segflg) {
-
-       case 0:
-               if (subyte(iov->iov_base, c) < 0)
-                       goto fault;
-               break;
-
-       case 1:
-               *iov->iov_base = c;
-               break;
-
-       case 2:
-               if (suibyte(iov->iov_base, c) < 0)
-                       goto fault;
-               break;
-       }
-       iov->iov_base++;
-       iov->iov_len--;
-       uio->uio_resid--;
-       uio->uio_offset++;
-       if (iov->iov_len <= 0) {
-               uio->uio_iov++;
-               uio->uio_iovcnt--;
-       }
-       return (0);
-fault:
-       return (EFAULT);
-}