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kolibrios/programs/fs/unzip60/amiga/amiga.c
siemargl e9b1c1bac6 unzip initial commit 
git-svn-id: svn://kolibrios.org@6725 a494cfbc-eb01-0410-851d-a64ba20cac60
2016-11-18 13:40:05 +00:00

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/*
Copyright (c) 1990-2007 Info-ZIP. All rights reserved.
See the accompanying file LICENSE, version 2000-Apr-09 or later
(the contents of which are also included in unzip.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
*/
/*------------------------------------------------------------------------
amiga.c
Amiga-specific routines for use with Info-ZIP's UnZip 5.1 and later.
See History.5xx for revision history.
Contents: do_wild()
mapattr()
mapname()
checkdir()
close_outfile()
stamp_file()
_abort() (Aztec C only)
[dateformat()] (currently not used)
screensize()
version()
------------------------------------------------------------------------*/
#define UNZIP_INTERNAL
#ifdef AZTEC_C
# define NO_FCNTL_H
#endif
#include "unzip.h"
#include "unzvers.h"
/* Globular varibundus -- now declared in SYSTEM_SPECIFIC_GLOBALS in amiga.h */
/* static int created_dir; */ /* used in mapname(), checkdir() */
/* static int renamed_fullpath; */ /* ditto */
#define PERMS 0777
#define MKDIR(path,mode) mkdir(path)
#ifndef S_ISCRIPT /* not having one implies you have none */
# define S_IARCHIVE 0020 /* not modified since this bit was last set */
# define S_IREAD 0010 /* can be opened for reading */
# define S_IWRITE 0004 /* can be opened for writing */
# define S_IDELETE 0001 /* can be deleted */
#endif /* S_ISCRIPT */
#ifndef S_IRWD
# define S_IRWD 0015 /* useful combo of Amiga privileges */
#endif /* !S_IRWD */
#ifndef S_IHIDDEN
# define S_IHIDDEN 0200 /* hidden supported in future AmigaDOS (someday) */
#endif /* !S_HIDDEN */
#ifndef SFX
/* Make sure the number here matches unzvers.h in the *EXACT* form */
/* UZ_MAJORVER "." UZ_MINORVER UZ_PATCHLEVEL vvvv No non-digits! */
const char version_id[] = "\0$VER: UnZip " UZ_VER_STRING " ("
#include "env:VersionDate"
")\r\n";
#endif /* SFX */
static int ispattern(ZCONST char *p)
{
register char c;
while (c = *p++)
if (c == '\\') {
if (!*++p)
return FALSE;
} else if (c == '?' || c == '*')
return TRUE;
else if (c == '[') {
for (;;) {
if (!(c = *p++))
return FALSE;
else if (c == '\\') {
if (!*++p)
return FALSE;
} else if (c == ']')
return TRUE;
}
}
return FALSE;
}
/**********************/
/* Function do_wild() */
/**********************/
char *do_wild(__G__ wildspec)
__GDEF
ZCONST char *wildspec; /* only used first time on a given dir */
{
/* these statics are now declared in SYSTEM_SPECIFIC_GLOBALS in amiga.h:
static DIR *wild_dir = NULL;
static ZCONST char *wildname;
static char *dirname, matchname[FILNAMSIZ];
static int notfirstcall = FALSE, dirnamelen;
*/
struct dirent *file;
BPTR lok = 0;
/* Even when we're just returning wildspec, we *always* do so in
* matchname[]--calling routine is allowed to append four characters
* to the returned string, and wildspec may be a pointer to argv[].
*/
if (!G.notfirstcall) { /* first call: must initialize everything */
G.notfirstcall = TRUE;
/* avoid needless readdir() scans: */
if (!ispattern(wildspec) ||
(lok = Lock((char *)wildspec, ACCESS_READ))) {
if (lok) UnLock(lok); /* ^^ we ignore wildcard chars if */
G.dirnamelen = 0; /* the name matches a real file */
strncpy(G.matchname, wildspec, FILNAMSIZ);
G.matchname[FILNAMSIZ-1] = '\0';
return G.matchname;
}
/* break the wildspec into a directory part and a wildcard filename */
if ((G.wildname = (ZCONST char *)strrchr(wildspec, '/')) == NULL &&
(G.wildname = (ZCONST char *)strrchr(wildspec, ':')) == NULL) {
G.dirname = ""; /* current dir */
G.dirnamelen = 0;
G.wildname = wildspec;
} else {
++G.wildname; /* point at character after '/' or ':' */
G.dirnamelen = G.wildname - wildspec;
if ((G.dirname = (char *)malloc(G.dirnamelen+1)) == NULL) {
Info(slide, 1, ((char *)slide,
"warning: cannot allocate wildcard buffers\n"));
strncpy(G.matchname, wildspec, FILNAMSIZ);
G.matchname[FILNAMSIZ-1] = '\0';
return G.matchname; /* but maybe filespec was not a wildcard */
}
strncpy(G.dirname, wildspec, G.dirnamelen);
G.dirname[G.dirnamelen] = '\0';
}
if ((G.wild_dir = opendir(G.dirname)) != NULL) {
while ((file = readdir(G.wild_dir)) != NULL) {
if (match(file->d_name, G.wildname, 1 WISEP)) {/* ignore case */
strcpy(G.matchname, G.dirname);
strcpy(G.matchname + G.dirnamelen, file->d_name);
return G.matchname;
}
}
/* if we get to here directory is exhausted, so close it */
closedir(G.wild_dir);
G.wild_dir = NULL;
}
/* return the raw wildspec in case that works (e.g., directory not
* searchable, but filespec was not wild and file is readable) */
strncpy(G.matchname, wildspec, FILNAMSIZ);
G.matchname[FILNAMSIZ-1] = '\0';
return G.matchname;
}
/* last time through, might have failed opendir but returned raw wildspec */
if (G.wild_dir == NULL) {
G.notfirstcall = FALSE; /* nothing left to try -- reset */
if (G.dirnamelen > 0)
free(G.dirname);
return (char *)NULL;
}
/* If we've gotten this far, we've read and matched at least one entry
* successfully (in a previous call), so dirname has been copied into
* matchname already.
*/
while ((file = readdir(G.wild_dir)) != NULL)
if (match(file->d_name, G.wildname, 1 WISEP)) { /* 1 == ignore case */
/* strcpy(G.matchname, dirname); */
strcpy(G.matchname + G.dirnamelen, file->d_name);
return G.matchname;
}
closedir(G.wild_dir); /* have read at least one dir entry; nothing left */
G.wild_dir = NULL;
G.notfirstcall = FALSE; /* reset for new wildspec */
if (G.dirnamelen > 0)
free(G.dirname);
return (char *)NULL;
} /* end function do_wild() */
/**********************/
/* Function mapattr() */
/**********************/
int mapattr(__G) /* Amiga version */
__GDEF
{
ulg tmp = G.crec.external_file_attributes;
/* Amiga attributes = hsparwed = hidden, script, pure, archive,
* read, write, execute, delete */
switch (G.pInfo->hostnum) {
case AMIGA_:
if ((tmp & 1) == (tmp>>18 & 1))
tmp ^= 0x000F0000; /* PKAZip compatibility kluge */
/* turn off archive bit for restored Amiga files */
G.pInfo->file_attr = (unsigned)((tmp>>16) & (~S_IARCHIVE));
break;
case UNIX_: /* preserve read, write, execute: use logical-OR of */
case VMS_: /* user, group, and other; if writable, set delete bit */
case ACORN_:
case ATARI_:
case ATHEOS_:
case BEOS_:
case QDOS_:
case TANDEM_:
{
unsigned uxattr = (unsigned)(tmp >> 16);
int r = FALSE;
if (uxattr == 0 && G.extra_field) {
/* Some (non-Info-ZIP) implementations of Zip for Unix and
VMS (and probably others ??) leave 0 in the upper 16-bit
part of the external_file_attributes field. Instead, they
store file permission attributes in some extra field.
As a work-around, we search for the presence of one of
these extra fields and fall back to the MSDOS compatible
part of external_file_attributes if one of the known
e.f. types has been detected.
Later, we might implement extraction of the permission
bits from the VMS extra field. But for now, the work-around
should be sufficient to provide "readable" extracted files.
(For ASI Unix e.f., an experimental remap of the e.f.
mode value IS already provided!)
*/
ush ebID;
unsigned ebLen;
uch *ef = G.extra_field;
unsigned ef_len = G.crec.extra_field_length;
while (!r && ef_len >= EB_HEADSIZE) {
ebID = makeword(ef);
ebLen = (unsigned)makeword(ef+EB_LEN);
if (ebLen > (ef_len - EB_HEADSIZE))
/* discoverd some e.f. inconsistency! */
break;
switch (ebID) {
case EF_ASIUNIX:
if (ebLen >= (EB_ASI_MODE+2)) {
uxattr =
(unsigned)makeword(ef+(EB_HEADSIZE+EB_ASI_MODE));
/* force stop of loop: */
ef_len = (ebLen + EB_HEADSIZE);
break;
}
/* else: fall through! */
case EF_PKVMS:
/* "found nondecypherable e.f. with perm. attr" */
r = TRUE;
default:
break;
}
ef_len -= (ebLen + EB_HEADSIZE);
ef += (ebLen + EB_HEADSIZE);
}
}
if (!r) {
uxattr = (( uxattr>>6 | uxattr>>3 | uxattr) & 07) << 1;
G.pInfo->file_attr = (unsigned)(uxattr&S_IWRITE ?
uxattr|S_IDELETE : uxattr);
break;
}
}
/* fall through! */
/* all other platforms: assume read-only bit in DOS half of attribute
* word is set correctly ==> will become READ or READ+WRITE+DELETE */
case FS_FAT_:
case FS_HPFS_: /* can add S_IHIDDEN check to MSDOS/OS2/NT eventually */
case FS_NTFS_:
case MAC_:
case TOPS20_:
default:
G.pInfo->file_attr = (unsigned)(tmp&1? S_IREAD : S_IRWD);
break;
} /* end switch (host-OS-created-by) */
G.pInfo->file_attr &= 0xff; /* mask off all but lower eight bits */
return 0;
} /* end function mapattr() */
/************************/
/* Function mapname() */
/************************/
int mapname(__G__ renamed)
__GDEF
int renamed;
/*
* returns:
* MPN_OK - no problem detected
* MPN_INF_TRUNC - caution (truncated filename)
* MPN_INF_SKIP - info "skip entry" (dir doesn't exist)
* MPN_ERR_SKIP - error -> skip entry
* MPN_ERR_TOOLONG - error -> path is too long
* MPN_NOMEM - error (memory allocation failed) -> skip entry
* [also MPN_VOL_LABEL, MPN_CREATED_DIR]
*/
{
char pathcomp[FILNAMSIZ]; /* path-component buffer */
char *pp, *cp=NULL; /* character pointers */
char *lastsemi = NULL; /* pointer to last semi-colon in pathcomp */
int killed_ddot = FALSE; /* is set when skipping "../" pathcomp */
int error = MPN_OK;
register unsigned workch; /* hold the character being tested */
/*---------------------------------------------------------------------------
Initialize various pointers and counters and stuff.
---------------------------------------------------------------------------*/
if (G.pInfo->vollabel)
return MPN_VOL_LABEL; /* can't set disk volume labels in AmigaDOS */
/* can create path as long as not just freshening, or if user told us */
G.create_dirs = (!uO.fflag || renamed);
G.created_dir = FALSE; /* not yet */
/* user gave full pathname: don't prepend G.rootpath */
#ifndef OLD_AMIGA_RENAMED
G.renamed_fullpath = (renamed &&
(*G.filename == '/' || *G.filename == ':'));
#else
/* supress G.rootpath even when user gave a relative pathname */
# if 1
G.renamed_fullpath = (renamed && strpbrk(G.filename, ":/");
# else
G.renamed_fullpath = (renamed &&
(strchr(G.filename, ':') || strchr(G.filename, '/')));
# endif
#endif
if (checkdir(__G__ (char *)NULL, INIT) == MPN_NOMEM)
return MPN_NOMEM; /* initialize path buffer, unless no memory */
*pathcomp = '\0'; /* initialize translation buffer */
pp = pathcomp; /* point to translation buffer */
if (uO.jflag) /* junking directories */
cp = (char *)strrchr(G.filename, '/');
if (cp == (char *)NULL) /* no '/' or not junking dirs */
cp = G.filename; /* point to internal zipfile-member pathname */
else
++cp; /* point to start of last component of path */
/*---------------------------------------------------------------------------
Begin main loop through characters in filename.
---------------------------------------------------------------------------*/
while ((workch = (uch)*cp++) != 0) {
switch (workch) {
case '/': /* can assume -j flag not given */
*pp = '\0';
if (strcmp(pathcomp, ".") == 0) {
/* don't bother appending "./" to the path */
*pathcomp = '\0';
} else if (!uO.ddotflag && strcmp(pathcomp, "..") == 0) {
/* "../" dir traversal detected, skip over it */
*pathcomp = '\0';
killed_ddot = TRUE; /* set "show message" flag */
}
/* when path component is not empty, append it now */
if (*pathcomp != '\0' &&
((error = checkdir(__G__ pathcomp, APPEND_DIR))
& MPN_MASK) > MPN_INF_TRUNC)
return error;
pp = pathcomp; /* reset conversion buffer for next piece */
lastsemi = (char *)NULL; /* leave direct. semi-colons alone */
break;
case ';': /* VMS version (or DEC-20 attrib?) */
lastsemi = pp; /* keep for now; remove VMS ";##" */
*pp++ = (char)workch; /* later, if requested */
break;
default:
/* allow ISO European characters in filenames: */
if (isprint(workch) || (160 <= workch && workch <= 255))
*pp++ = (char)workch;
} /* end switch */
} /* end while loop */
/* Show warning when stripping insecure "parent dir" path components */
if (killed_ddot && QCOND2) {
Info(slide, 0, ((char *)slide,
"warning: skipped \"../\" path component(s) in %s\n",
FnFilter1(G.filename)));
if (!(error & ~MPN_MASK))
error = (error & MPN_MASK) | PK_WARN;
}
/*---------------------------------------------------------------------------
Report if directory was created (and no file to create: filename ended
in '/'), check name to be sure it exists, and combine path and name be-
fore exiting.
---------------------------------------------------------------------------*/
if (G.filename[strlen(G.filename) - 1] == '/') {
checkdir(__G__ G.filename, GETPATH);
if (G.created_dir) {
if (QCOND2) {
Info(slide, 0, ((char *)slide, " creating: %s\n",
FnFilter1(G.filename)));
}
/* set dir time (note trailing '/') */
return (error & ~MPN_MASK) | MPN_CREATED_DIR;
}
/* dir existed already; don't look for data to extract */
return (error & ~MPN_MASK) | MPN_INF_SKIP;
}
*pp = '\0'; /* done with pathcomp: terminate it */
/* if not saving them, remove VMS version numbers (appended ";###") */
if (!uO.V_flag && lastsemi) {
pp = lastsemi + 1;
while (isdigit((uch)(*pp)))
++pp;
if (*pp == '\0') /* only digits between ';' and end: nuke */
*lastsemi = '\0';
}
if (*pathcomp == '\0') {
Info(slide, 1, ((char *)slide, "mapname: conversion of %s failed\n",
FnFilter1(G.filename)));
return (error & ~MPN_MASK) | MPN_ERR_SKIP;
}
error = (error & ~MPN_MASK) | checkdir(__G__ pathcomp, APPEND_NAME);
if ((error & MPN_MASK) == MPN_INF_TRUNC) {
/* GRR: OK if truncated here: warn and continue */
/* (warn in checkdir?) */
}
checkdir(__G__ G.filename, GETPATH);
return error;
} /* end function mapname() */
/***********************/
/* Function checkdir() */
/***********************/
int checkdir(__G__ pathcomp, flag)
__GDEF
char *pathcomp;
int flag;
/*
* returns:
* MPN_OK - no problem detected
* MPN_INF_TRUNC - (on APPEND_NAME) truncated filename
* MPN_INF_SKIP - path doesn't exist, not allowed to create
* MPN_ERR_SKIP - path doesn't exist, tried to create and failed; or path
* exists and is not a directory, but is supposed to be
* MPN_ERR_TOOLONG - path is too long
* MPN_NOMEM - can't allocate memory for filename buffers
*/
{
/* these statics are now declared in SYSTEM_SPECIFIC_GLOBALS in amiga.h: */
/* static int rootlen = 0; */ /* length of rootpath */
/* static char *rootpath; */ /* user's "extract-to" directory */
/* static char *buildpath; */ /* full path (so far) to extracted file */
/* static char *end; */ /* pointer to end of buildpath ('\0') */
# define FN_MASK 7
# define FUNCTION (flag & FN_MASK)
/*---------------------------------------------------------------------------
APPEND_DIR: append the path component to the path being built and check
for its existence. If doesn't exist and we are creating directories, do
so for this one; else signal success or error as appropriate.
---------------------------------------------------------------------------*/
/* GRR: check path length after each segment: warn about truncation */
if (FUNCTION == APPEND_DIR) {
int too_long = FALSE;
Trace((stderr, "appending dir segment [%s]\n", FnFilter1(pathcomp)));
while ((*G.build_end = *pathcomp++) != '\0')
++G.build_end;
/* Truncate components over 30 chars? Nah, the filesystem handles it. */
if ((G.build_end-G.buildpath) > FILNAMSIZ-3) /* room for "/a\0" */
too_long = TRUE; /* check if extracting dir? */
if (SSTAT(G.buildpath, &G.statbuf)) { /* path doesn't exist */
if (!G.create_dirs) { /* told not to create (freshening) */
free(G.buildpath);
return MPN_INF_SKIP; /* path doesn't exist: nothing to do */
}
if (too_long) {
Info(slide, 1, ((char *)slide,
"checkdir error: path too long: %s\n",
FnFilter1(G.buildpath)));
free(G.buildpath);
/* no room for filenames: fatal */
return MPN_ERR_TOOLONG;
}
if (MKDIR(G.buildpath, 0777) == -1) { /* create the directory */
Info(slide, 1, ((char *)slide,
"checkdir error: cannot create %s\n\
unable to process %s.\n",
FnFilter2(G.buildpath), FnFilter1(G.filename)));
free(G.buildpath);
/* path didn't exist, tried to create, failed */
return MPN_ERR_SKIP;
}
G.created_dir = TRUE;
} else if (!S_ISDIR(G.statbuf.st_mode)) {
Info(slide, 1, ((char *)slide,
"checkdir error: %s exists but is not directory\n\
unable to process %s.\n",
FnFilter2(G.buildpath), FnFilter1(G.filename)));
free(G.buildpath);
/* path existed but wasn't dir */
return MPN_ERR_SKIP;
}
if (too_long) {
Info(slide, 1, ((char *)slide,
"checkdir error: path too long: %s\n", FnFilter1(G.buildpath)));
free(G.buildpath);
/* no room for filenames: fatal */
return MPN_ERR_TOOLONG;
}
*G.build_end++ = '/';
*G.build_end = '\0';
Trace((stderr, "buildpath now = [%s]\n", FnFilter1(G.buildpath)));
return MPN_OK;
} /* end if (FUNCTION == APPEND_DIR) */
/*---------------------------------------------------------------------------
GETPATH: copy full path to the string pointed at by pathcomp, and free
G.buildpath. Not our responsibility to worry whether pathcomp has room.
---------------------------------------------------------------------------*/
if (FUNCTION == GETPATH) {
strcpy(pathcomp, G.buildpath);
Trace((stderr, "getting and freeing path [%s]\n",
FnFilter1(pathcomp)));
free(G.buildpath);
G.buildpath = G.build_end = (char *)NULL;
return MPN_OK;
}
/*---------------------------------------------------------------------------
APPEND_NAME: assume the path component is the filename; append it and
return without checking for existence.
---------------------------------------------------------------------------*/
if (FUNCTION == APPEND_NAME) {
Trace((stderr, "appending filename [%s]\n", FnFilter1(pathcomp)));
while ((*G.build_end = *pathcomp++) != '\0') {
++G.build_end;
if ((G.build_end-G.buildpath) >= FILNAMSIZ) {
*--G.build_end = '\0';
Info(slide, 0x201, ((char *)slide,
"checkdir warning: path too long; truncating\n\
%s\n -> %s\n",
FnFilter1(G.filename), FnFilter2(G.buildpath)));
return MPN_INF_TRUNC; /* filename truncated */
}
}
Trace((stderr, "buildpath now = [%s]\n", FnFilter1(G.buildpath)));
/* could check for existence here, prompt for new name... */
return MPN_OK;
}
/*---------------------------------------------------------------------------
INIT: allocate and initialize buffer space for the file currently being
extracted. If file was renamed with an absolute path, don't prepend the
extract-to path.
---------------------------------------------------------------------------*/
if (FUNCTION == INIT) {
Trace((stderr, "initializing buildpath to "));
if ((G.buildpath = (char *)malloc(strlen(G.filename)+G.rootlen+1))
== (char *)NULL)
return MPN_NOMEM;
if ((G.rootlen > 0) && !G.renamed_fullpath) {
strcpy(G.buildpath, G.rootpath);
G.build_end = G.buildpath + G.rootlen;
} else {
*G.buildpath = '\0';
G.build_end = G.buildpath;
}
Trace((stderr, "[%s]\n", FnFilter1(G.buildpath)));
return MPN_OK;
}
/*---------------------------------------------------------------------------
ROOT: if appropriate, store the path in G.rootpath and create it if
necessary; else assume it's a zipfile member and return. This path
segment gets used in extracting all members from every zipfile specified
on the command line.
---------------------------------------------------------------------------*/
#if (!defined(SFX) || defined(SFX_EXDIR))
if (FUNCTION == ROOT) {
Trace((stderr, "initializing root path to [%s]\n",
FnFilter1(pathcomp)));
if (pathcomp == (char *)NULL) {
G.rootlen = 0;
return MPN_OK;
}
if (G.rootlen > 0) /* rootpath was already set, nothing to do */
return MPN_OK;
if ((G.rootlen = strlen(pathcomp)) > 0) {
if (stat(pathcomp, &G.statbuf) || !S_ISDIR(G.statbuf.st_mode)) {
/* path does not exist */
if (!G.create_dirs) {
G.rootlen = 0;
/* skip (or treat as stored file) */
return MPN_INF_SKIP;
}
/* create the directory (could add loop here scanning pathcomp
* to create more than one level, but why really necessary?) */
if (MKDIR(pathcomp, 0777) == -1) {
Info(slide, 1, ((char *)slide,
"checkdir: cannot create extraction directory: %s\n",
FnFilter1(pathcomp)));
G.rootlen = 0;
/* path didn't exist, tried to create, and failed: */
/* file exists, or 2+ subdir levels required */
return MPN_ERR_SKIP;
}
}
if ((G.rootpath = (char *)malloc(G.rootlen+2)) == NULL) {
G.rootlen = 0;
return MPN_NOMEM;
}
strcpy(G.rootpath, pathcomp);
if (G.rootpath[G.rootlen-1] != ':' && G.rootpath[G.rootlen-1] != '/')
G.rootpath[G.rootlen++] = '/';
G.rootpath[G.rootlen] = '\0';
Trace((stderr, "rootpath now = [%s]\n", FnFilter1(G.rootpath)));
}
return MPN_OK;
}
#endif /* !SFX || SFX_EXDIR */
/*---------------------------------------------------------------------------
END: free G.rootpath, immediately prior to program exit.
---------------------------------------------------------------------------*/
if (FUNCTION == END) {
Trace((stderr, "freeing rootpath\n"));
if (G.rootlen > 0) {
free(G.rootpath);
G.rootlen = 0;
}
return MPN_OK;
}
return MPN_INVALID; /* should never reach */
} /* end function checkdir() */
/**************************************/
/* Function close_outfile() */
/**************************************/
/* this part differs slightly with Zip */
/*-------------------------------------*/
void close_outfile(__G)
__GDEF
{
time_t m_time;
#ifdef USE_EF_UT_TIME
iztimes z_utime;
#endif
LONG FileDate();
if (uO.cflag) /* can't set time or filenote on stdout */
return;
/* close the file *before* setting its time under AmigaDOS */
fclose(G.outfile);
/* skip restoring time stamps on user's request */
if (uO.D_flag <= 1) {
#ifdef USE_EF_UT_TIME
if (G.extra_field &&
#ifdef IZ_CHECK_TZ
G.tz_is_valid &&
#endif
(ef_scan_for_izux(G.extra_field, G.lrec.extra_field_length, 0,
G.lrec.last_mod_dos_datetime, &z_utime, NULL)
& EB_UT_FL_MTIME))
{
TTrace((stderr, "close_outfile: Unix e.f. modif. time = %ld\n",
z_utime.mtime));
m_time = z_utime.mtime;
} else {
/* Convert DOS time to time_t format */
m_time = dos_to_unix_time(G.lrec.last_mod_dos_datetime);
}
#else /* !USE_EF_UT_TIME */
/* Convert DOS time to time_t format */
m_time = dos_to_unix_time(G.lrec.last_mod_dos_datetime);
#endif /* ?USE_EF_UT_TIME */
#ifdef DEBUG
Info(slide, 1, ((char *)slide, "\nclose_outfile(): m_time=%s\n",
ctime(&m_time)));
#endif
if (!FileDate(G.filename, &m_time))
Info(slide, 1, ((char *)slide,
"warning: cannot set the time for %s\n", G.filename));
}
/* set file perms after closing (not done at creation)--see mapattr() */
chmod(G.filename, G.pInfo->file_attr);
/* give it a filenote from the zipfile comment, if appropriate */
if (uO.N_flag && G.filenotes[G.filenote_slot]) {
SetComment(G.filename, G.filenotes[G.filenote_slot]);
free(G.filenotes[G.filenote_slot]);
G.filenotes[G.filenote_slot] = NULL;
}
} /* end function close_outfile() */
#ifdef TIMESTAMP
/*************************/
/* Function stamp_file() */
/*************************/
int stamp_file(fname, modtime)
ZCONST char *fname;
time_t modtime;
{
time_t m_time;
LONG FileDate();
m_time = modtime;
return (FileDate((char *)fname, &m_time));
} /* end function stamp_file() */
#endif /* TIMESTAMP */
#ifndef __SASC
/********************************************************************/
/* Load filedate as a separate external file; it's used by Zip, too.*/
/* */
# include "amiga/filedate.c" /* */
/* */
/********************************************************************/
/********************* do linewise with stat.c **********************/
# include "amiga/stat.c"
/* this is the exact same stat.c used by Zip */
#endif /* !__SASC */
/* SAS/C makes separate object modules of these; there is less */
/* trouble that way when redefining standard library functions. */
#include <stdio.h>
void _abort(void) /* called when ^C is pressed */
{
/* echon(); */
close_leftover_open_dirs();
fflush(stdout);
fputs("\n^C\n", stderr);
exit(1);
}
/************************************************************/
/* function screensize() -- uses sendpkt() from filedate.c: */
/************************************************************/
#include <devices/conunit.h>
#include <dos/dosextens.h>
#include <exec/memory.h>
#include <clib/exec_protos.h>
extern long sendpkt(struct MsgPort *pid, long action, long *args, long nargs);
int screensize(int *ttrows, int *ttcols)
{
BPTR fh = Output();
if (fh && IsInteractive(fh)) {
struct ConUnit *conunit = NULL;
void *conp = ((struct FileHandle *) (fh << 2))->fh_Type;
struct InfoData *ind = AllocMem(sizeof(*ind), MEMF_PUBLIC);
long argp = ((unsigned long) ind) >> 2;
if (ind && conp && sendpkt(conp, ACTION_DISK_INFO, &argp, 1))
conunit = (void *) ((struct IOStdReq *) ind->id_InUse)->io_Unit;
if (ind)
FreeMem(ind, sizeof(*ind));
if (conunit) {
if (ttrows) *ttrows = conunit->cu_YMax + 1;
if (ttcols) *ttcols = conunit->cu_XMax + 1;
return 0; /* success */
}
}
if (ttrows) *ttrows = INT_MAX;
if (ttcols) *ttcols = INT_MAX;
return 1; /* failure */
}
#ifdef AMIGA_VOLUME_LABELS
/* This function is for if we someday implement -$ on the Amiga. */
# include <dos/dosextens.h>
# include <dos/filehandler.h>
# include <clib/macros.h>
BOOL is_floppy(ZCONST char *path)
{
BOOL okay = FALSE;
char devname[32], *debna;
ushort i;
BPTR lok = Lock((char *)path, ACCESS_READ), pok;
struct FileSysStartupMsg *fart;
struct DeviceNode *debb, devlist = (void *) BADDR((struct DosInfo *)
BADDR(DOSBase->dl_Root->rn_Info)->di_DevInfo);
if (!lok)
return FALSE; /* should not happen */
if (pok = ParentDir((char *)path)) {
UnLock(lok);
UnLock(pok);
return FALSE; /* it's not a root directory path */
}
Forbid();
for (debb = devlist; debb; debb = BADDR(debb->dn_Next))
if (debb->dn_Type == DLT_DEVICE && (debb->dn_Task == lick->fl_Task))
if (fart = BADDR(debb->dn_Startup)) {
debna = (char *) BADDR(fart->fssm_Device) + 1;
if ((i = debna[-1]) > 31) i = 30;
strncpy(devname, debna, i);
devname[i] = 0;
okay = !strcmp(devname, "trackdisk.device")
|| !strcmp(devname, "mfm.device")
|| !strcmp(devname, "messydisk.device");
break; /* We only support obvious floppy drives, not tricky */
} /* things like removable cartrige hard drives, or */
Permit(); /* any unusual kind of floppy device driver. */
return okay;
}
#endif /* AMIGA_VOLUME_LABELS */
#ifndef SFX
# if 0
/* As far as I can tell, all the locales AmigaDOS 2.1 knows about all */
/* happen to use DF_MDY ordering, so there's no point in using this. */
/*************************/
/* Function dateformat() */
/*************************/
#include <clib/locale_protos.h>
#ifdef AZTEC_C
# include <pragmas/locale_lib.h>
#endif
int dateformat()
{
/*---------------------------------------------------------------------------
For those operating systems which support it, this function returns a
value which tells how national convention says that numeric dates are
displayed. Return values are DF_YMD, DF_DMY and DF_MDY (the meanings
should be fairly obvious).
---------------------------------------------------------------------------*/
struct Library *LocaleBase;
struct Locale *ll;
int result = DF_MDY; /* the default */
if ((LocaleBase = OpenLibrary("locale.library", 0))) {
if (ll = OpenLocale(NULL)) {
uch *f = ll->loc_ShortDateFormat;
/* In this string, %y|%Y is year, %b|%B|%h|%m is month, */
/* %d|%e is day day, and %D|%x is short for mo/da/yr. */
if (!strstr(f, "%D") && !strstr(f, "%x")) {
uch *da, *mo, *yr;
if (!(mo = strstr(f, "%b")) && !(mo = strstr(f, "%B"))
&& !(mo = strstr(f, "%h")))
mo = strstr(f, "%m");
if (!(da = strstr(f, "%d")))
da = strstr(f, "%e");
if (!(yr = strstr(f, "%y")))
yr = strstr(f, "%Y");
if (yr && yr < mo)
result = DF_YMD;
else if (da && da < mo)
result = DF_DMY;
}
CloseLocale(ll);
}
CloseLibrary(LocaleBase);
}
return result;
}
# endif /* 0 */
/************************/
/* Function version() */
/************************/
/* NOTE: the following include depends upon the environment
* variable $Workbench to be set correctly. (Set by
* default, by kickstart during startup)
*/
int WBversion = (int)
#include "ENV:Workbench"
;
void version(__G)
__GDEF
{
/* Define buffers. */
char buf1[16]; /* compiler name */
char buf2[16]; /* revstamp */
char buf3[16]; /* OS */
char buf4[16]; /* Date */
/* char buf5[16]; /* Time */
/* format "with" name strings */
#ifdef AMIGA
# ifdef __SASC
strcpy(buf1,"SAS/C ");
# else
# ifdef LATTICE
strcpy(buf1,"Lattice C ");
# else
# ifdef AZTEC_C
strcpy(buf1,"Manx Aztec C ");
# else
strcpy(buf1,"UNKNOWN ");
# endif
# endif
# endif
/* "under" */
sprintf(buf3,"AmigaDOS v%d",WBversion);
#else
strcpy(buf1,"Unknown compiler ");
strcpy(buf3,"Unknown OS");
#endif
/* Define revision, date, and time strings.
* NOTE: Do not calculate run time, be sure to use time compiled.
* Pass these strings via your makefile if undefined.
*/
#if defined(__VERSION__) && defined(__REVISION__)
sprintf(buf2,"version %d.%d",__VERSION__,__REVISION__);
#else
# ifdef __VERSION__
sprintf(buf2,"version %d",__VERSION__);
# else
sprintf(buf2,"unknown version");
# endif
#endif
#ifdef __DATE__
sprintf(buf4," on %s",__DATE__);
#else
strcpy(buf4," unknown date");
#endif
/******
#ifdef __TIME__
sprintf(buf5," at %s",__TIME__);
#else
strcpy(buf5," unknown time");
#endif
******/
/* Print strings using "CompiledWith" mask defined in unzip.c (used by all).
* ("Compiled with %s%s for %s%s%s%s.")
*/
printf(LoadFarString(CompiledWith),
buf1,
buf2,
buf3,
buf4,
"", /* buf5 not used */
"" ); /* buf6 not used */
} /* end function version() */
#endif /* !SFX */
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