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Language/OS - Multiplatform Resource Library
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LANGUAGE OS.iso
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a_utils
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_archvrs
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unix
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lha_100.lha
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lha-1.00
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src
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lharc.h
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C/C++ Source or Header
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1992-05-08
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10KB
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394 lines
/*----------------------------------------------------------------------*/
/* LHarc Archiver Driver for UNIX */
/* */
/* Copyright(C) MCMLXXXIX Yooichi.Tagawa */
/* */
/* V1.00 Fixed 1989.09.22 Y.Tagawa */
/* V0.03 LHa for UNIX 1991.12.18 M.Oki */
/*----------------------------------------------------------------------*/
#include <stdio.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <signal.h>
/* most of System V, define SYSTIME_HAS_NO_TM */
#ifdef SYSTIME_HAS_NO_TM
#include <time.h>
#else
#include <sys/time.h>
#endif
/*----------------------------------------------------------------------*/
/* DIRECTORY ACCESS STUFF */
/*----------------------------------------------------------------------*/
#ifndef NODIRECTORY
#ifdef SYSV_SYSTEM_DIR
#include <dirent.h>
#define DIRENTRY struct dirent
#define NAMLEN(p) strlen (p->d_name)
#else /* not SYSV_SYSTEM_DIR */
#ifdef NONSYSTEM_DIR_LIBRARY
#include "lhdir.h"
#else
#include <sys/dir.h>
#endif /* not NONSYSTEM_DIR_LIBRARY */
#define DIRENTRY struct direct
#define NAMLEN(p) p->d_namlen
extern DIR *opendir ();
extern struct direct *readdir ();
#endif /* not SYSV_SYSTEM_DIR */
#endif
/*----------------------------------------------------------------------*/
/* FILE ATTRIBUTES */
/*----------------------------------------------------------------------*/
/* If file mode is not compatible between your Machine/OS and
LHarc standard UNIX file mode.
(See UNIX Manual stat(1), <sys/stat.h>,
and/or below UNIX_* definitions. ) */
/* #define NOT_COMPATIBLE_MODE */
#define is_directory(statp) (((statp)->st_mode & S_IFMT) == S_IFDIR)
#define is_regularfile(statp) (((statp)->st_mode & S_IFMT) == S_IFREG)
/* #define WRITE_BINARY "wb" */
/* #define READ_BINARy "rb" */
#define WRITE_BINARY "w"
#define READ_BINARY "r"
/*----------------------------------------------------------------------*/
/* MEMORY AND STRING FUNCTIONS */
/*----------------------------------------------------------------------*/
#ifndef USG
#include <strings.h>
#else
#include <string.h>
#endif /* USG */
#ifdef NOINDEX
#define index strchr
#define rindex strrchr
#endif /* NOINDEX */
#ifdef NOBSTRING
#define bcmp(a,b,n) memcmp ((a),(b),(n))
#define bzero(d,n) memset((d),0,(n))
#define bcopy(s,d,n) memmove((d),(s),(n))
#endif /* NOBSTRING */
#ifdef USESTRCASECMP
#define strucmp(p,q) strcasecmp((p),(q))
#endif
/*----------------------------------------------------------------------*/
/* YOUR CUSTOMIZIES */
/*----------------------------------------------------------------------*/
/* These definitions are changable to you like. */
/* #define ARCHIVENAME_EXTENTION ".LZH" */
/* #define BACKUPNAME_EXTENTION ".BAK" */
/* #define TMP_FILENAME_TEMPLATE "/usr/tmp/lhXXXXXX" */
/* #define MULTIBYTE_CHAR */
/* #define USE_PROF */
#ifndef ARCHIVENAME_EXTENTION
#define ARCHIVENAME_EXTENTION ".lzh"
#endif
#ifndef BACKUPNAME_EXTENTION
#define BACKUPNAME_EXTENTION ".bak"
#endif
#ifndef TMP_FILENAME_TEMPLATE
#define TMP_FILENAME_TEMPLATE "/tmp/lhXXXXXX"
#endif
#define SJC_FIRST_P(c) \
(((unsigned char)(c) >= 0x80) && \
(((unsigned char)(c) < 0xa0) || \
((unsigned char)(c) >= 0xe0) && \
((unsigned char)(c) < 0xfd)))
#define SJC_SECOND_P(c) \
(((unsigned char)(c) >= 0x40) && \
((unsigned char)(c) < 0xfd) && \
((ungigned char)(c) != 0x7f))
#ifdef MULTIBYTE_CHAR
#define MULTIBYTE_FIRST_P SJC_FIRST_P
#define MULTIBYTE_SECOND_P SJC_SECOND_P
#endif /* MULTIBYTE_CHAR */
/*----------------------------------------------------------------------*/
/* OTHER DIFINITIONS */
/*----------------------------------------------------------------------*/
/* Your C-Compiler has no 'void' */
#ifdef NO_VOID
#define void
#endif
#ifndef SEEK_SET
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
#endif
#define FILENAME_LENGTH 1024
/* non-integral functions */
extern struct tm *localtime ();
extern char *getenv ();
#ifndef _MINIX
#ifndef __STDC__
extern char *malloc ();
extern char *realloc ();
#endif
#endif
/* external variables */
extern int errno;
#define FALSE 0
#define TRUE 1
typedef int boolean;
/*----------------------------------------------------------------------*/
/* LHarc FILE DEFINITIONS */
/*----------------------------------------------------------------------*/
#define METHOD_TYPE_STRAGE 5
#define LZHUFF0_METHOD "-lh0-"
#define LZHUFF1_METHOD "-lh1-"
#define LZHUFF2_METHOD "-lh2-"
#define LZHUFF3_METHOD "-lh3-"
#define LZHUFF4_METHOD "-lh4-"
#define LZHUFF5_METHOD "-lh5-"
#define LARC4_METHOD "-lz4-"
#define LARC5_METHOD "-lz5-"
#define LZHDIRS_METHOD "-lhd-"
#define I_HEADER_SIZE 0
#define I_HEADER_CHECKSUM 1
#define I_METHOD 2
#define I_PACKED_SIZE 7
#define I_ORIGINAL_SIZE 11
#define I_LAST_MODIFIED_STAMP 15
#define I_ATTRIBUTE 19
#define I_HEADER_LEVEL 20
#define I_NAME_LENGTH 21
#define I_NAME 22
#define I_CRC 22 /* + name_length */
#define I_EXTEND_TYPE 24 /* + name_length */
#define I_MINOR_VERSION 25 /* + name_length */
#define I_UNIX_LAST_MODIFIED_STAMP 26 /* + name_length */
#define I_UNIX_MODE 30 /* + name_length */
#define I_UNIX_UID 32 /* + name_length */
#define I_UNIX_GID 34 /* + name_length */
#define I_UNIX_EXTEND_BOTTOM 36 /* + name_length */
#define I_GENERIC_HEADER_BOTTOM I_EXTEND_TYPE
#define EXTEND_GENERIC 0
#define EXTEND_UNIX 'U'
#define EXTEND_MSDOS 'M'
#define EXTEND_MACOS 'm'
#define EXTEND_OS9 '9'
#define EXTEND_OS2 '2'
#define EXTEND_OS68K 'K'
#define EXTEND_OS386 '3' /* OS-9000??? */
#define EXTEND_HUMAN 'H'
#define EXTEND_CPM 'C'
#define EXTEND_FLEX 'F'
#define EXTEND_RUNSER 'R'
/* this OS type is not official */
#define EXTEND_TOWNSOS 'T'
#define EXTEND_XOSK 'X'
/*------------------------------*/
#define GENERIC_ATTRIBUTE 0x20
#define GENERIC_DIRECTORY_ATTRIBUTE 0x10
#define HEADER_LEVEL0 0x00
#define HEADER_LEVEL1 0x01
#define HEADER_LEVEL2 0x02
#define CURRENT_UNIX_MINOR_VERSION 0x00
#define DELIM ('/')
#define DELIM2 (0xff)
#define DELIMSTR "/"
typedef struct LzHeader {
unsigned char header_size;
char method[METHOD_TYPE_STRAGE];
long packed_size;
long original_size;
long last_modified_stamp;
unsigned char attribute;
unsigned char header_level;
char name[256];
unsigned short crc;
boolean has_crc;
unsigned char extend_type;
unsigned char minor_version;
/* extend_type == EXTEND_UNIX and convert from other type. */
time_t unix_last_modified_stamp;
unsigned short unix_mode;
unsigned short unix_uid;
unsigned short unix_gid;
} LzHeader;
#define OSK_RW_RW_RW 0000033
#define OSK_FILE_REGULAR 0000000
#define OSK_DIRECTORY_PERM 0000200
#define OSK_SHARED_PERM 0000100
#define OSK_OTHER_EXEC_PERM 0000040
#define OSK_OTHER_WRITE_PERM 0000020
#define OSK_OTHER_READ_PERM 0000010
#define OSK_OWNER_EXEC_PERM 0000004
#define OSK_OWNER_WRITE_PERM 0000002
#define OSK_OWNER_READ_PERM 0000001
#define UNIX_FILE_TYPEMASK 0170000
#define UNIX_FILE_REGULAR 0100000
#define UNIX_FILE_DIRECTORY 0040000
#define UNIX_SETUID 0004000
#define UNIX_SETGID 0002000
#define UNIX_STYCKYBIT 0001000
#define UNIX_OWNER_READ_PERM 0000400
#define UNIX_OWNER_WRITE_PERM 0000200
#define UNIX_OWNER_EXEC_PERM 0000100
#define UNIX_GROUP_READ_PERM 0000040
#define UNIX_GROUP_WRITE_PERM 0000020
#define UNIX_GROUP_EXEC_PERM 0000010
#define UNIX_OTHER_READ_PERM 0000004
#define UNIX_OTHER_WRITE_PERM 0000002
#define UNIX_OTHER_EXEC_PERM 0000001
#define UNIX_RW_RW_RW 0000666
#define LZHEADER_STRAGE 4096
#ifdef S_IFLNK
#define GETSTAT lstat
#else
#define GETSTAT stat
#endif
/* used by qsort() for alphabetic-sort */
#define STRING_COMPARE(a,b) strcmp((a),(b))
struct string_pool {
int used;
int size;
int n;
char *buffer;
};
/*----------------------------------------------------------------------*/
/* OPTIONS */
/*----------------------------------------------------------------------*/
/* command line options (common options) */
extern boolean quiet;
extern boolean text_mode;
extern boolean verbose;
extern boolean noexec; /* debugging option */
extern boolean force;
extern boolean prof;
extern boolean delete_after_append;
/* list command flags */
extern boolean verbose_listing;
/* extract/print command flags */
extern boolean output_to_stdout;
/* add/update/delete command flags */
extern boolean new_archive;
extern boolean update_if_newer;
extern boolean generic_format;
/*----------------------------------------------------------------------*/
/* VARIABLES */
/*----------------------------------------------------------------------*/
extern char **cmd_filev;
extern int cmd_filec;
extern char *archive_name;
extern char expanded_archive_name[FILENAME_LENGTH];
extern char temporary_name[FILENAME_LENGTH];
extern char backup_archive_name[FILENAME_LENGTH];
extern char *reading_filename, *writting_filename;
extern boolean remove_temporary_at_error;
extern boolean recover_archive_when_interrupt;
extern boolean remove_extracting_file_when_interrupt;
extern int archive_file_mode;
extern int archive_file_gid;
/*----------------------------------------------------------------------*/
/* Functions */
/*----------------------------------------------------------------------*/
extern void interrupt ();
extern void message ();
extern void warning ();
extern void error ();
extern void fatal_error ();
extern boolean need_file ();
extern int inquire ();
extern FILE *xfopen ();
extern boolean find_files ();
extern void free_files ();
extern void init_sp ();
extern void add_sp ();
extern void finish_sp ();
extern void free_sp ();
extern void cleaning_files ();
extern void build_temporary_name ();
extern void build_backup_file_name ();
extern void build_standard_archive_name ();
extern FILE *open_old_archive ();
extern void init_header ();
extern boolean get_header ();
extern boolean archive_is_msdos_sfx1 ();
extern boolean skip_msdos_sfx1_code ();
extern void write_header ();
extern void write_archive_tail ();
extern void copy_old_one ();
extern unsigned char *convdelim ();
extern long copyfile ();
extern void cmd_list (), cmd_extract (), cmd_add (), cmd_delete ();
extern boolean ignore_directory;
extern boolean compress_method;
extern boolean verify_mode;
extern char *extract_directory;
extern FILE *temporary_fp;