1 /* valloc -- return memory aligned to the page size. */ 2 3 #ifndef HAVE_GETPAGESIZE 4 #define getpagesize() 4096 5 #endif 6 7 extern char *malloc (); 8 9 char * 10 valloc (bytes) 11 int bytes; 12 { 13 long pagesize; 14 char *ret; 15 16 pagesize = getpagesize (); 17 ret = (char *) malloc (bytes + pagesize - 1); 18 if (ret) 19 ret = (char *) ((long) (ret + pagesize - 1) &~ (pagesize - 1)); 20 return ret; 21 } 22