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Diffstat (limited to 'vms/vms.h')
| -rw-r--r-- | vms/vms.h | 354 |
1 files changed, 354 insertions, 0 deletions
diff --git a/vms/vms.h b/vms/vms.h new file mode 100644 index 0000000..8685fdd --- /dev/null +++ b/vms/vms.h @@ -0,0 +1,354 @@ +/* + Copyright (c) 1990-2007 Info-ZIP. All rights reserved. + + See the accompanying file LICENSE, version 2007-Mar-4 or later + (the contents of which are also included in zip.h) for terms of use. + If, for some reason, all these files are missing, the Info-ZIP license + also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html +*/ +/*--------------------------------------------------------------------------- + + vms.h + + Generic VMS header file for Info-ZIP's Zip and UnZip. + + ---------------------------------------------------------------------------*/ + +#ifndef __vms_h +#define __vms_h 1 + +#ifndef __DESCRIP_LOADED +#include <descrip.h> +#endif +#ifndef __STARLET_LOADED +#include <starlet.h> +#endif +#ifndef __SYIDEF_LOADED +#include <syidef.h> +#endif +#ifndef __ATRDEF_LOADED +#include <atrdef.h> +#endif +#ifndef __FIBDEF_LOADED +#include <fibdef.h> +#endif +#ifndef __IODEF_LOADED +#include <iodef.h> +#endif +#if !defined(_RMS_H) && !defined(__RMS_LOADED) +#include <rms.h> +#endif + +#define ERR(s) !((s) & 1) /* VMS system error */ + +#ifndef SYI$_VERSION +#define SYI$_VERSION 4096 /* VMS 5.4 definition */ +#endif + +/* + * Under Alpha (DEC C in VAXC mode) and under `good old' VAXC, the FIB unions + * are declared as variant_unions. DEC C (Alpha) in ANSI modes and third + * party compilers which do not support `variant_union' define preprocessor + * symbols to `hide' the "intermediate union/struct" names from the + * programmer's API. + * We check the presence of these defines and for DEC's FIBDEF.H defining + * __union as variant_union to make sure we access the structure correctly. + */ +#define variant_union 1 +#if defined(fib$w_did) || (defined(__union) && (__union == variant_union)) +# define FIB$W_DID fib$w_did +# define FIB$W_FID fib$w_fid +# define FIB$L_ACCTL fib$l_acctl +# define FIB$W_EXCTL fib$w_exctl +#else +# define FIB$W_DID fib$r_did_overlay.fib$w_did +# define FIB$W_FID fib$r_fid_overlay.fib$w_fid +# define FIB$L_ACCTL fib$r_acctl_overlay.fib$l_acctl +# define FIB$W_EXCTL fib$r_exctl_overlay.fib$w_exctl +#endif +#undef variant_union + + +/* 2005-02-08 SMS. Moved NAM[L] macros here from VMS.C. */ + +/* Define macros for use with either NAM or NAML. */ + +#ifdef NAML$C_MAXRSS /* NAML is available. Use it. */ + +# define NAM_STRUCT NAML + +# define FAB_OR_NAML( fab, nam) nam +# define FAB_OR_NAML_DNA naml$l_long_defname +# define FAB_OR_NAML_DNS naml$l_long_defname_size +# define FAB_OR_NAML_FNA naml$l_long_filename +# define FAB_OR_NAML_FNS naml$l_long_filename_size + +# define CC_RMS_NAM cc$rms_naml +# define FAB_NAM fab$l_naml +# define NAM_DID naml$w_did +# define NAM_DVI naml$t_dvi +# define NAM_ESA naml$l_long_expand +# define NAM_ESL naml$l_long_expand_size +# define NAM_ESS naml$l_long_expand_alloc +# define NAM_FID naml$w_fid +# define NAM_FNB naml$l_fnb +# define NAM_RSA naml$l_long_result +# define NAM_RSL naml$l_long_result_size +# define NAM_RSS naml$l_long_result_alloc +# define NAM_MAXRSS NAML$C_MAXRSS +# define NAM_NOP naml$b_nop +# define NAM_M_EXP_DEV NAML$M_EXP_DEV +# define NAM_M_SYNCHK NAML$M_SYNCHK +# define NAM_B_DEV naml$l_long_dev_size +# define NAM_L_DEV naml$l_long_dev +# define NAM_B_DIR naml$l_long_dir_size +# define NAM_L_DIR naml$l_long_dir +# define NAM_B_NAME naml$l_long_name_size +# define NAM_L_NAME naml$l_long_name +# define NAM_B_TYPE naml$l_long_type_size +# define NAM_L_TYPE naml$l_long_type +# define NAM_B_VER naml$l_long_ver_size +# define NAM_L_VER naml$l_long_ver + +#else /* def NAML$C_MAXRSS */ /* NAML is not available. Use NAM. */ + +# define NAM_STRUCT NAM + +# define FAB_OR_NAML( fab, nam) fab +# define FAB_OR_NAML_DNA fab$l_dna +# define FAB_OR_NAML_DNS fab$b_dns +# define FAB_OR_NAML_FNA fab$l_fna +# define FAB_OR_NAML_FNS fab$b_fns + +# define CC_RMS_NAM cc$rms_nam +# define FAB_NAM fab$l_nam +# define NAM_DID nam$w_did +# define NAM_DVI nam$t_dvi +# define NAM_ESA nam$l_esa +# define NAM_ESL nam$b_esl +# define NAM_ESS nam$b_ess +# define NAM_FID nam$w_fid +# define NAM_FNB nam$l_fnb +# define NAM_RSA nam$l_rsa +# define NAM_RSL nam$b_rsl +# define NAM_RSS nam$b_rss +# define NAM_MAXRSS NAM$C_MAXRSS +# define NAM_NOP nam$b_nop +# define NAM_M_EXP_DEV NAM$M_EXP_DEV +# define NAM_M_SYNCHK NAM$M_SYNCHK +# define NAM_B_DEV nam$b_dev +# define NAM_L_DEV nam$l_dev +# define NAM_B_DIR nam$b_dir +# define NAM_L_DIR nam$l_dir +# define NAM_B_NAME nam$b_name +# define NAM_L_NAME nam$l_name +# define NAM_B_TYPE nam$b_type +# define NAM_L_TYPE nam$l_type +# define NAM_B_VER nam$b_ver +# define NAM_L_VER nam$l_ver + +#endif /* def NAML$C_MAXRSS */ + + +struct EB_header /* Common header of extra block */ +{ ush tag; + ush size; + uch data[1]; +}; + +#ifndef EB_HEADSIZE +# define EB_HEADSIZE 4 +#endif + +/*------ Old style Info-ZIP extra field definitions -----*/ + +#if (!defined(VAXC) && !defined(_RMS_H) && !defined(__RMS_LOADED)) + +struct XAB { /* This definition may be skipped */ + unsigned char xab$b_cod; + unsigned char xab$b_bln; + short int xabdef$$_fill_1; + char *xab$l_nxt; +}; + +#endif /* !VAXC && !_RMS_H && !__RMS_LOADED */ + +#ifndef EB_IZVMS_BCMASK +# define EB_IZVMS_BCMASK 07 /* 3 bits for compression type */ +#endif +#ifndef EB_IZVMS_BCSTOR +# define EB_IZVMS_BCSTOR 0 /* Stored */ +#endif +#ifndef EB_IZVMS_BC00 +# define EB_IZVMS_BC00 1 /* 0byte -> 0bit compression */ +#endif +#ifndef EB_IZVMS_BCDEFL +# define EB_IZVMS_BCDEFL 2 /* Deflated */ +#endif + +/* + * Extra record format + * =================== + * signature (2 bytes) = 'I','M' + * size (2 bytes) + * block signature (4 bytes) + * flags (2 bytes) + * uncomprssed size(2 bytes) + * reserved (4 bytes) + * data ((size-12) bytes) + * .... + */ + +struct IZ_block /* Extra field block header structure */ +{ + ush sig; + ush size; + ulg bid; + ush flags; + ush length; + ulg reserved; + uch body[1]; /* The actual size is unknown */ +}; + +/* + * Extra field signature and block signatures + */ + +#define IZ_SIGNATURE "IM" +#define FABSIG "VFAB" +#define XALLSIG "VALL" +#define XFHCSIG "VFHC" +#define XDATSIG "VDAT" +#define XRDTSIG "VRDT" +#define XPROSIG "VPRO" +#define XKEYSIG "VKEY" +#define XNAMSIG "VNAM" +#define VERSIG "VMSV" + +/* + * Block sizes + */ + +#define FABL (cc$rms_fab.fab$b_bln) +#define RABL (cc$rms_rab.rab$b_bln) +#define XALLL (cc$rms_xaball.xab$b_bln) +#define XDATL (cc$rms_xabdat.xab$b_bln) +#define XFHCL (cc$rms_xabfhc.xab$b_bln) +#define XKEYL (cc$rms_xabkey.xab$b_bln) +#define XPROL (cc$rms_xabpro.xab$b_bln) +#define XRDTL (cc$rms_xabrdt.xab$b_bln) +#define XSUML (cc$rms_xabsum.xab$b_bln) +#define EXTBSL 4 /* Block signature length */ +#define RESL 8 /* Reserved 8 bytes */ +#define EXTHL (EB_HEADSIZE+EXTBSL+RESL) + +typedef unsigned char byte; + +struct iosb +{ + ush status; + ush count; + ulg spec; +}; + +/*------------ PKWARE extra block definitions ----------*/ + +/* Structure of PKWARE extra header */ + +#ifdef VMS_ZIP + +#if defined(__DECC) || defined(__DECCXX) +#pragma __nostandard +#endif /* __DECC || __DECCXX */ + +#if defined(__DECC) || defined(__DECCXX) +#pragma __member_alignment __save +#pragma __nomember_alignment +#endif /* __DECC || __DECCXX */ + +#ifdef VMS_ORIGINAL_PK_LAYOUT +/* The original order of ATR fields in the PKZIP VMS-extra field leads + * to unaligned fields in the PK_info structure representing the + * extra field layout. When compiled for Alpha AXP, this results in + * some performance (and code size) penalty. It is not allowed to + * apply structure padding, since this is explicitely forbidden in + * the specification (APPNOTE.TXT) for the PK VMS extra field. + */ +typedef struct +{ + ush tag_ra; ush len_ra; byte ra[ATR$S_RECATTR]; + ush tag_uc; ush len_uc; byte uc[ATR$S_UCHAR]; + ush tag_jr; ush len_jr; byte jr[ATR$S_JOURNAL]; + ush tag_cd; ush len_cd; byte cd[ATR$S_CREDATE]; + ush tag_rd; ush len_rd; byte rd[ATR$S_REVDATE]; + ush tag_ed; ush len_ed; byte ed[ATR$S_EXPDATE]; + ush tag_bd; ush len_bd; byte bd[ATR$S_BAKDATE]; + ush tag_rn; ush len_rn; ush rn; + ush tag_ui; ush len_ui; byte ui[ATR$S_UIC]; + ush tag_fp; ush len_fp; byte fp[ATR$S_FPRO]; + ush tag_rp; ush len_rp; byte rp[ATR$S_RPRO]; +} PK_info_t; +#else /* !VMS_ORIGINAL_PK_LAYOUT */ +/* The Info-ZIP support for the PK VMS extra field uses a reordered + * field layout to achieve ``natural alignment'' of the PK_info structure + * members whenever possible. This rearrangement does not violate the + * PK's VMS extra field specification and should not break any ``well + * behaving'' (PK)Unzip utility. (`Well behaving' means that (PK)Unzip + * should use the field tag to identify the ATR$ field rather than + * assuming a fixed order of ATR$ fields in the PK VMS extra field.) + */ +typedef struct +{ + ush tag_ra; ush len_ra; byte ra[ATR$S_RECATTR]; + ush tag_uc; ush len_uc; byte uc[ATR$S_UCHAR]; + ush tag_cd; ush len_cd; byte cd[ATR$S_CREDATE]; + ush tag_rd; ush len_rd; byte rd[ATR$S_REVDATE]; + ush tag_ed; ush len_ed; byte ed[ATR$S_EXPDATE]; + ush tag_bd; ush len_bd; byte bd[ATR$S_BAKDATE]; + ush tag_rn; ush len_rn; ush rn; + ush tag_ui; ush len_ui; byte ui[ATR$S_UIC]; + ush tag_fp; ush len_fp; byte fp[ATR$S_FPRO]; + ush tag_rp; ush len_rp; byte rp[ATR$S_RPRO]; + ush tag_jr; ush len_jr; byte jr[ATR$S_JOURNAL]; +} PK_info_t; +#endif /* ?VMS_ORIGINAL_PK_LAYOUT */ + +#if defined(__DECC) || defined(__DECCXX) +#pragma __member_alignment __restore +#endif /* __DECC || __DECCXX */ + +#if defined(__DECC) || defined(__DECCXX) +#pragma __standard +#endif /* __DECC || __DECCXX */ + +#endif /* VMS_ZIP */ + +/* PKWARE "VMS" tag */ +#define PK_SIGNATURE 0x000C + +/* Total number of attributes to be saved */ +#define VMS_ATTR_COUNT 11 +#define VMS_MAX_ATRCNT 20 + +struct PK_field +{ + ush tag; + ush size; + byte value[1]; +}; + +#define PK_FLDHDR_SIZE 4 + +struct PK_header +{ + ush tag; + ush size; + ulg crc32; + byte data[1]; +}; + +#define PK_HEADER_SIZE 8 + +char *vms_file_version( char *s); + +#endif /* !__vms_h */ |