ref: 75f5fdbb0df902d8d7e16a4489a04d92493eacae
dir: /sys/src/ape/cmd/pax/port.h/
/* $Source: /u/mark/src/pax/RCS/port.h,v $ * * $Revision: 1.2 $ * * port.h - defnitions for portability library * * DESCRIPTION * * Header for maintaing portablilty across operating system and * version boundries. For the most part, this file contains * definitions which map functions which have the same functionality * but different names on different systems, to have the same name. * * AUTHORS * * Mark H. Colburn, NAPS International (mark@jhereg.mn.org) * John Gilmore (gnu@hoptoad) * * Sponsored by The USENIX Association for public distribution. * * Copyright (c) 1989 Mark H. Colburn. * All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that the above copyright notice and this paragraph are * duplicated in all such forms and that any documentation, * advertising materials, and other materials related to such * distribution and use acknowledge that the software was developed * by Mark H. Colburn and sponsored by The USENIX Association. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #ifndef _PAX_PORT_H #define _PAX_PORT_H /* * Everybody does wait() differently. There seem to be no definitions for * this in V7 (e.g. you are supposed to shift and mask things out using * constant shifts and masks.) In order to provide the functionality, here * are some non standard but portable macros. Don't change to a "union wait" * based approach -- the ordering of the elements of the struct depends on the * byte-sex of the machine. */ #define TERM_SIGNAL(status) ((status) & 0x7F) #define TERM_COREDUMP(status) (((status) & 0x80) != 0) #define TERM_VALUE(status) ((status) >> 8) /* * String library emulation definitions for the different variants of UNIX */ #if defined(USG) # include <string.h> #ifndef _POSIX_SOURCE # include <memory.h> #endif #else /* USG */ /* * The following functions are defined here since func.h has no idea which * of the functions will actually be used. */ # ifdef __STDC__ extern char *rindex(char *, char); extern char *index(char *, char); extern char *bcopy(char *, char *, unsigned int); extern char *bzero(char *, unsigned int); extern char *strcat(char *, char *); extern char *strcpy(char *, char *); # else /* !__STDC__ */ extern char *rindex(); extern char *index(); extern char *bcopy(); extern char *bzero(); extern char *strcat(); extern char *strcpy(); # endif /* __STDC__ */ /* * Map ANSI C compatible functions to V7 functions */ # define memcpy(a,b,n) bcopy((b),(a),(n)) # define memset(a,b,n) bzero((a),(n)) # define strrchr(s,c) rindex(s,c) # define strchr(s,c) index(s,c) #endif /* USG */ #endif /* _PAX_PORT_H */