===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/less/lsystem.c,v
retrieving revision 1.6
retrieving revision 1.7
diff -c -r1.6 -r1.7
*** src/usr.bin/less/lsystem.c	2004/12/19 13:27:08	1.6
--- src/usr.bin/less/lsystem.c	2007/04/19 05:56:45	1.7
***************
*** 368,510 ****
  }
  
  #endif
- 
- #ifdef _OSK
- /*
-  *    Popen, and Pclose, for OS-9.
-  *
-  *    Based on code copyright (c) 1988 by Wolfgang Ocker, Puchheim,
-  *                                        Ulli Dessauer, Germering and
-  *                                        Reimer Mellin, Muenchen
-  *                                        (W-Germany)
-  *
-  *    These functions can be copied and distributed freely for any
-  *    non-commercial purposes.  It can only be incorporated into
-  *    commercial software with the written permission of the authors.
-  *
-  *    TOP-specific code stripped out and adapted for less by M.Gregorie, 1996
-  *
-  *    address:    Wolfgang Ocker
-  *                Lochhauserstrasse 35a
-  *                D-8039 Puchheim
-  *                West Germany
-  *
-  *    e-mail:     weo@altger.UUCP, ud@altger.UUCP, ram@altger.UUCP
-  *                pyramid!tmpmbx!recco!weo
-  *                pyramid!tmpmbx!nitmar!ud
-  *                pyramid!tmpmbx!ramsys!ram
-  *
-  *                Martin Gregorie
-  *                10 Sadlers Mead
-  *                Harlow
-  *                Essex, CM18 6HG
-  *                U.K.
-  *
-  *                gregorie@logica.com
-  */
- #include <strings.h>
- #include <errno.h>
- extern char **environ;
- extern char *getenv();
- extern int  os9forkc();
- static int pids[_NFILE] = { 0, 0, 0, 0, 0, 0, 0, 0,
-                             0, 0, 0, 0, 0, 0, 0, 0,
-                             0, 0, 0, 0, 0, 0, 0, 0,
-                             0, 0, 0, 0, 0, 0, 0, 0 };
- /* 
-  * p o p e n
-  */
- FILE *popen(name, mode)
- 	char *name;
- 	char *mode;
- {
-     int          fd, fd2, fdsav, pid;
-     static char  *argv[] = {NULL, NULL, NULL };
-     static char  cmd[200];
-     static char  cmd_path[200];
-     char         *cp;
-     char         *shell;
-     FILE         *r;
-     if ((shell = getenv("SHELL")) == NULL)
-         return(NULL);
-     cp = name;
-     while (*cp == ' ')
-         cp++;
-     strlcpy(cmd_path, cp, sizeof(cmd_path));
-     if (cp = strchr(cmd_path, ' '))
-         *cp++ = '\0';
-     strlcpy(cmd, "ex ", sizeof(cmd));
-     strlcat(cmd, cmd_path, sizeof(cmd));
-     if (cp)
-     {
-         strlcat(cmd, " ", sizeof(cmd));
-         strlcat(cmd, cp, sizeof(cmd));
-     }
-     argv[0] = shell;
-     argv[1] = cmd;
-     /*
-          mode is "r" (stdout) or "w" (stdin)
-     */
-     switch(mode[0])
-     {
-         case 'w':   fd = 0;
-                     break;
-         case 'r':   fd = 1;
-                     break;
-         default:    return(NULL);
-     }
-     if (fd == 1)
-         fflush(stdout);
-     fdsav = dup(fd);
-     close(fd);
-  
-     creat("/pipe", S_IWRITE+S_IREAD);
-     pid = os9exec(os9forkc, argv[0], argv, environ, 0, 0, 3);
-     fd2 = dup(fd);
-     close(fd);
-     dup(fdsav);
-     close(fdsav);
-     if (pid > 0)
-     {
-         pids[fd2] = pid;
-         r = fdopen(fd2, mode);
-     }
-     else
-     {
-         close(fd2);
-         r = NULL;
-     }
-     return(r);
- }
- 
- /*
-  * p c l o s e
-  */
- int pclose(fp)
- 	FILE *fp;
- {
-     unsigned int    status;
-     int             pid;
-     int             fd,
-                     i;
-     fd = fileno(fp);
-     if (pids[fd] == 0)
-         return(-1);
-     fflush(fp);
-     fclose(fp);
-     while ((pid = wait(&status)) != -1)
-         if (pid == pids[fd])
-             break;
-         else
-             for (i = 0; i < _NFILE; i++)
-                 if (pids[i] == pid)
-                 {
-                     pids[i] = 0;
-                     break;
-                 }
-     if (pid == -1)
-         status = -1;
-     pids[fd] = 0;
-     return(status);
- }
- #endif /* _OSK */
--- 368,370 ----