/* * ex_exec_proc -- * Run a separate process. * * PUBLIC: int ex_exec_proc __P((SCR *, EXCMD *, const char *, const char *, int)); */ int ex_exec_proc(SCR *sp, EXCMD *cmdp, const char *cmd, const char *msg, int need_newline) { GS *gp; const char *name; pid_t pid; gp = sp->gp; /* We'll need a shell. */ if (opts_empty(sp, O_SHELL, 0)) return (1); /* Enter ex mode. */ if (F_ISSET(sp, SC_VI)) { if (gp->scr_screen(sp, SC_EX)) { ex_wemsg(sp, cmdp->cmd->name, EXM_NOCANON); return (1); } (void)gp->scr_attr(sp, SA_ALTERNATE, 0); F_SET(sp, SC_SCR_EX | SC_SCR_EXWROTE); } /* Put out additional newline, message. */ if (need_newline) (void)ex_puts(sp, "\n"); if (msg != NULL) { (void)ex_puts(sp, msg); (void)ex_puts(sp, "\n"); } (void)ex_fflush(sp); switch (pid = vfork()) { case -1: /* Error. */ msgq(sp, M_SYSERR, "vfork"); return (1); case 0: /* Utility. */ if (gp->scr_child) gp->scr_child(sp); if ((name = strrchr(O_STR(sp, O_SHELL), '/')) == NULL) name = O_STR(sp, O_SHELL); else ++name; execl(O_STR(sp, O_SHELL), name, "-c", cmd, (char *)NULL); msgq_str(sp, M_SYSERR, O_STR(sp, O_SHELL), "execl: %s"); _exit(127); /* NOTREACHED */ default: /* Parent. */ return (proc_wait(sp, (long)pid, cmd, 0, 0)); } /* NOTREACHED */ }