add a realloc() call, for the C library

SCCS-vsn: old/sh/blok.c 4.3

diff --git a/usr/src/old/sh/blok.c b/usr/src/old/sh/blok.c
index 2bf634b..930c317 100644 (file)
--- a/usr/src/old/sh/blok.c
+++ b/usr/src/old/sh/blok.c
@@ -1,5 +1,5 @@
 #ifndef lint
 #ifndef lint

-static char sccsid[] = "@(#)blok.c     4.2 %G%";
+static char sccsid[] = "@(#)blok.c     4.3 %G%";

 #endif
 
 #
 #endif
 
 #


@@ -113,3 +113,18 @@ chkbptr(ptr)
        prn(un); prc(SP); prn(us); prc(NL);
 }
 #endif
        prn(un); prc(SP); prn(us); prc(NL);
 }
 #endif

+
+void *
+realloc(cp, nbytes)
+       void *cp;
+       unsigned int nbytes;
+{
+       void *new;
+
+       new = malloc(nbytes);
+       if (cp == 0)
+               return (new);
+       bcopy(cp, new, nbytes);
+       free(cp);
+       return (new);
+}