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unzip/acorn/acorn.c

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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
*/
/*---------------------------------------------------------------------------
acorn.c
RISCOS-specific routines for use with Info-ZIP's UnZip 5.2 and later.
Contains: do_wild() <-- generic enough to put in fileio.c?
mapattr()
mapname()
checkdir()
mkdir()
setRISCOSexfield()
printRISCOSexfield()
close_outfile()
stamp_file()
version()
---------------------------------------------------------------------------*/
#define UNZIP_INTERNAL
#include "^.unzip.h"
#include "riscos.h"
#define FTYPE_FFF (1<<17) /* set filetype to &FFF when extracting */
#ifdef WILD_STOP_AT_DIR
# define WESEP , (oU.W_flag ? '.' : '\0')
#else
# define WESEP
#endif
static int created_dir; /* used in mapname(), checkdir() */
static int renamed_fullpath; /* ditto */
static int has_mimemap = -1; /* used in mimemap() */
extern int mkdir(const char *path, int mode);
static int has_NFS_ext(const char *name);
static void setRISCOSexfield(ZCONST char *path, ZCONST void *ef_spark);
#ifdef DEBUG
static void printRISCOSexfield(int isdir, ZCONST void *extra_field);
#endif
static int uxtime2acornftime(unsigned *pexadr, unsigned *pldadr, time_t ut);
static int mimemap(const char *name);
#ifndef SFX
/**********************/
/* Function do_wild() */ /* for porting: dir separator; match(ignore_case) */
/**********************/
char *do_wild(__G__ wildspec)
__GDEF
ZCONST char *wildspec; /* only used first time on a given dir */
{
static DIR *wild_dir = (DIR *)NULL;
static ZCONST char *wildname;
static char *dirname, matchname[FILNAMSIZ];
static int notfirstcall=FALSE, have_dirname, dirnamelen;
struct dirent *file;
/* 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 (!notfirstcall) { /* first call: must initialize everything */
notfirstcall = TRUE;
/* break the wildspec into a directory part and a wildcard filename */
if ((wildname = (ZCONST char *)strrchr(wildspec, '.')) ==
(ZCONST char *)NULL)
{
dirname = ".";
dirnamelen = 1;
have_dirname = FALSE;
wildname = wildspec;
} else {
++wildname; /* point at character after '/' */
dirnamelen = wildname - wildspec;
if ((dirname = (char *)malloc(dirnamelen+1)) == (char *)NULL) {
Info(slide, 0x201, ((char *)slide,
"warning: cannot allocate wildcard buffers\n"));
strncpy(matchname, wildspec, FILNAMSIZ);
matchname[FILNAMSIZ-1] = '\0';
return matchname; /* but maybe filespec was not a wildcard */
}
strncpy(dirname, wildspec, dirnamelen);
dirname[dirnamelen] = '\0'; /* terminate for strcpy below */
have_dirname = TRUE;
}
if ((wild_dir = opendir(dirname)) != (DIR *)NULL) {
while ((file = readdir(wild_dir)) != (struct dirent *)NULL) {
if (file->d_name[0] == '/' && wildname[0] != '/')
continue; /* Unix: '*' and '?' do not match leading dot */
if (match(file->d_name, wildname, 0 WESEP)) { /* 0=case sens.*/
if (have_dirname) {
strcpy(matchname, dirname);
strcpy(matchname+dirnamelen, file->d_name);
} else
strcpy(matchname, file->d_name);
return matchname;
}
}
/* if we get to here directory is exhausted, so close it */
closedir(wild_dir);
wild_dir = (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(matchname, wildspec, FILNAMSIZ);
matchname[FILNAMSIZ-1] = '\0';
return matchname;
}
/* last time through, might have failed opendir but returned raw wildspec */
if (wild_dir == (DIR *)NULL) {
notfirstcall = FALSE; /* nothing left to try--reset for new wildspec */
if (have_dirname)
free(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(wild_dir)) != (struct dirent *)NULL)
if (match(file->d_name, wildname, 0 WESEP)) { /* 0 == case sens. */
if (have_dirname) {
/* strcpy(matchname, dirname); */
strcpy(matchname+dirnamelen, file->d_name);
} else
strcpy(matchname, file->d_name);
return matchname;
}
closedir(wild_dir); /* have read at least one dir entry; nothing left */
wild_dir = (DIR *)NULL;
notfirstcall = FALSE; /* reset for new wildspec */
if (have_dirname)
free(dirname);
return (char *)NULL;
} /* end function do_wild() */
#endif /* !SFX */
/**************************/
/* Function has_NFS_ext() */
/**************************/
static int has_NFS_ext(const char* name)
{
int i = strlen(name) - 4;
return (i >= 0 && name[i] == ',' && (i > 0 || name[i-1]=='/') &&
isxdigit(name[i+1]) && isxdigit(name[i+2]) && isxdigit(name[i+3]));
} /* end function has_NFS_ext() */
/**********************/
/* Function mapattr() */
/**********************/
int mapattr(__G)
__GDEF
{
ulg tmp = G.crec.external_file_attributes;
switch (G.pInfo->hostnum) {
case AMIGA_:
tmp = (unsigned)(tmp>>17 & 7); /* Amiga RWE bits */
G.pInfo->file_attr = (unsigned)(tmp<<6 | tmp<<3 | tmp);
break;
case THEOS_:
tmp &= 0xF1FFFFFFL;
if ((tmp & 0xF0000000L) != 0x40000000L)
tmp &= 0x01FFFFFFL; /* not a dir, mask all ftype bits */
else
tmp &= 0x41FFFFFFL; /* leave directory bit as set */
/* fall through! */
case ACORN_:
case UNIX_:
case VMS_:
case ATARI_:
case ATHEOS_:
case BEOS_:
case QDOS_:
case TANDEM_:
G.pInfo->file_attr = (unsigned)(tmp >> 16);
if (G.pInfo->file_attr != 0 || !G.extra_field) {
break;
} else {
/* 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;
int r = FALSE;
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)) {
G.pInfo->file_attr =
(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)
break;
}
/* fall through! */
/* all remaining cases: expand MSDOS read-only bit into write perms */
case FS_FAT_:
/* PKWARE's PKZip for Unix marks entries as FS_FAT_, but stores the
* Unix attributes in the upper 16 bits of the external attributes
* field, just like Info-ZIP's Zip for Unix. We try to use that
* value, after a check for consistency with the MSDOS attribute
* bits (see below).
*/
G.pInfo->file_attr = (unsigned)(tmp >> 16);
/* fall through! */
case FS_HPFS_:
case FS_NTFS_:
case MAC_:
case TOPS20_:
default:
/* Ensure that DOS subdir bit is set when the entry's name ends
* in a '/'. Some third-party Zip programs fail to set the subdir
* bit for directory entries.
*/
if ((tmp & 0x10) == 0) {
extent fnlen = strlen(G.filename);
if (fnlen > 0 && G.filename[fnlen-1] == '/')
tmp |= 0x10;
}
/* read-only bit --> write perms; subdir bit --> dir exec bit */
tmp = !(tmp & 1) << 1 | (tmp & 0x10) >> 4;
if ((G.pInfo->file_attr & 0700) == (unsigned)(0400 | tmp<<6))
/* keep previous G.pInfo->file_attr setting, when its "owner"
* part appears to be consistent with DOS attribute flags!
*/
break;
G.pInfo->file_attr = (unsigned)(0444 | tmp<<6 | tmp<<3 | tmp);
break;
} /* end switch (host-OS-created-by) */
G.pInfo->file_attr&=0xFFFF;
G.pInfo->file_attr|=(0xFFDu<<20);
if (has_NFS_ext(G.filename)) {
int ftype=strtol(G.filename+strlen(G.filename)-3,NULL,16)&0xFFF;
G.pInfo->file_attr = (G.pInfo->file_attr & 0x000FFFFF) | (ftype<<20);
} else {
int type = mimemap(G.filename);
if (type == -1)
type = (G.crec.internal_file_attributes & 1) ? 0xFFF : 0xFFD;
G.pInfo->file_attr = (G.pInfo->file_attr & 0x000FFFFF) | (type<<20);
}
return 0;
} /* end function mapattr() */
/************************/
/* Function mimemap() */
/************************/
static int mimemap(const char *name)
{
const char *ext = name;
int type;
if (has_mimemap < 0)
has_mimemap =
!(SWI_OS_CLI("%RMEnsure MimeMap 0.05 RMLoad System:Modules.Network.MimeMap")
|| SWI_OS_CLI("%RMEnsure MimeMap 0.05"));
if (!has_mimemap)
return -1; /* no MimeMap module; fall back on text flag test */
do {
while (*ext && *ext!='.')
ext++;
if (!*ext)
return -1; /* no suitable extension; fallback */
type = SWI_MimeMap_Translate(ext++);
} while (type == -1);
return type;
}
/************************/
/* 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=(char *)NULL; /* character pointers */
char *lastsemi=(char *)NULL; /* pointer to last semi-colon in pathcomp */
int error = MPN_OK;
register unsigned workch; /* hold the character being tested */
char *checkswap=NULL; /* pointer the the extension to check */
/*---------------------------------------------------------------------------
Initialize various pointers and counters and stuff.
---------------------------------------------------------------------------*/
if (G.pInfo->vollabel)
return MPN_VOL_LABEL; /* can't set disk volume labels in RISCOS */
/* can create path as long as not just freshening, or if user told us */
G.create_dirs = (!uO.fflag || renamed);
created_dir = FALSE; /* not yet */
/* user gave full pathname: don't prepend rootpath */
renamed_fullpath = (renamed && (*G.filename == '/'));
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 (((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 */
checkswap=NULL; /* reset checking at start of new leafname */
break;
case '.':
*pp++ = '/';
checkswap=pp;
break;
case ';': /* VMS version (or DEC-20 attrib?) */
lastsemi = pp;
*pp++ = ';'; /* keep for now; remove VMS ";##" */
break; /* later, if requested */
case ' ': /* change spaces to hard-spaces */
*pp++ = 160; /* (ISO 8859-1 Latin-1 codepage) */
break;
/* The following substitutions, unless stated otherwise, follow
* those for DOSFS. They translate special symbols into other
* characters which have no special meaning to RISC OS. */
case '#': *pp++ = '?'; break; /* single-char wildcard */
case '&': *pp++ = '+'; break;
case '@': *pp++ = '='; break;
case '%': *pp++ = ';'; break;
case '$': *pp++ = '<'; break;
case '^': *pp++ = '>'; break; /* parent-dir reference */
/* The following substitutions deal with the remaining special
* symbols. ('.' is handled above.) */
case '*': *pp++ = 0xD7; break; /* Latin-1 'multiply' */
case '"': *pp++ = '~'; break;
case ':': *pp++ = ';'; break;
case '\\': *pp++ = '/'; break;
case '|': *pp++ = 0xA6; break; /* Latin-1 'broken bar' */
default:
/* allow European characters in filenames: */
if (isprint(workch) || (128 <= workch && workch <= 254))
*pp++ = (char)workch;
} /* end switch */
} /* end while loop */
/*---------------------------------------------------------------------------
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 (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;
}
if (checkswap!=NULL) {
if (checkext(checkswap)) {
if ((error = checkdir(__G__ checkswap, APPEND_DIR)) > 1)
return error;
*(checkswap-1)=0; /* remove extension from pathcomp */
}
}
if (!uO.acorn_nfs_ext && has_NFS_ext(pathcomp)) {
/* remove the filetype extension unless requested otherwise */
/* the filetype should be already set by mapattr() */
pathcomp[strlen(pathcomp)-4]=0;
}
checkdir(__G__ pathcomp, APPEND_NAME); /* returns 1 if truncated: care? */
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
*/
{
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.
---------------------------------------------------------------------------*/
if (FUNCTION == APPEND_DIR) {
int too_long = FALSE;
#ifdef SHORT_NAMES
char *old_end = end;
#endif
Trace((stderr, "appending dir segment [%s]\n", FnFilter1(pathcomp)));
while ((*end = *pathcomp++) != '\0')
++end;
#ifdef SHORT_NAMES /* path components restricted to 14 chars, typically */
if ((end-old_end) > FILENAME_MAX) /* GRR: proper constant? */
*(end = old_end + FILENAME_MAX) = '\0';
#endif
/* GRR: could do better check, see if overrunning buffer as we go:
* check end-buildpath after each append, set warning variable if
* within 20 of FILNAMSIZ; then if var set, do careful check when
* appending. Clear variable when begin new path. */
/* next check: need to append '/', at least one-char name, '\0' */
if ((end-buildpath) > FILNAMSIZ-3)
too_long = TRUE; /* check if extracting dir? */
if (stat(buildpath, &G.statbuf)) { /* path doesn't exist */
if (!G.create_dirs) { /* told not to create (freshening) */
free(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(buildpath)));
fflush(stderr);
free(buildpath);
/* no room for filenames: fatal */
return MPN_ERR_TOOLONG;
}
if (mkdir(buildpath, 0777) == -1) { /* create the directory */
Info(slide, 1, ((char *)slide,
"checkdir error: cannot create %s\n\
unable to process %s.\n",
FnFilter2(buildpath), FnFilter1(G.filename)));
free(buildpath);
/* path didn't exist, tried to create, failed */
return MPN_ERR_SKIP;
}
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(buildpath), FnFilter1(G.filename)));
free(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(buildpath)));
free(buildpath);
/* no room for filenames: fatal */
return MPN_ERR_TOOLONG;
}
*end++ = '.'; /************* was '/' *************/
*end = '\0';
Trace((stderr, "buildpath now = [%s]\n", FnFilter1(buildpath)));
return MPN_OK;
} /* end if (FUNCTION == APPEND_DIR) */
/*---------------------------------------------------------------------------
GETPATH: copy full path to the string pointed at by pathcomp, and free
buildpath.
---------------------------------------------------------------------------*/
if (FUNCTION == GETPATH) {
strcpy(pathcomp, buildpath);
Trace((stderr, "getting and freeing path [%s]\n",
FnFilter1(pathcomp)));
free(buildpath);
buildpath = 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) {
#ifdef SHORT_NAMES
char *old_end = end;
#endif
Trace((stderr, "appending filename [%s]\n", FnFilter1(pathcomp)));
while ((*end = *pathcomp++) != '\0') {
++end;
#ifdef SHORT_NAMES /* truncate name at 14 characters, typically */
if ((end-old_end) > FILENAME_MAX) /* GRR: proper constant? */
*(end = old_end + FILENAME_MAX) = '\0';
#endif
if ((end-buildpath) >= FILNAMSIZ) {
*--end = '\0';
Info(slide, 0x201, ((char *)slide,
"checkdir warning: path too long; truncating\n\
%s\n -> %s\n",
FnFilter1(G.filename), FnFilter2(buildpath)));
return MPN_INF_TRUNC; /* filename truncated */
}
}
Trace((stderr, "buildpath now = [%s]\n", FnFilter1(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.
---------------------------------------------------------------------------*/
/* GRR: for VMS and TOPS-20, add up to 13 to strlen */
if (FUNCTION == INIT) {
Trace((stderr, "initializing buildpath to "));
if ((buildpath = (char *)malloc(strlen(G.filename)+rootlen+1))
== (char *)NULL)
return MPN_NOMEM;
if ((rootlen > 0) && !renamed_fullpath) {
strcpy(buildpath, rootpath);
end = buildpath + rootlen;
} else {
*buildpath = '\0';
end = buildpath;
}
Trace((stderr, "[%s]\n", FnFilter1(buildpath)));
return MPN_OK;
}
/*---------------------------------------------------------------------------
ROOT: if appropriate, store the path in 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) {
rootlen = 0;
return MPN_OK;
}
if (rootlen > 0) /* rootpath was already set, nothing to do */
return MPN_OK;
if ((rootlen = strlen(pathcomp)) > 0) {
char *tmproot;
if ((tmproot = (char *)malloc(rootlen+2)) == (char *)NULL) {
rootlen = 0;
return MPN_NOMEM;
}
strcpy(tmproot, pathcomp);
if (tmproot[rootlen-1] == '.') { /****** was '/' ********/
tmproot[--rootlen] = '\0';
}
if (rootlen > 0 && (SSTAT(tmproot, &G.statbuf) ||
!S_ISDIR(G.statbuf.st_mode)))
{ /* path does not exist */
if (!G.create_dirs /* || isshexp(tmproot) */ ) {
free(tmproot);
rootlen = 0;
/* skip (or treat as stored file) */
return MPN_INF_SKIP;
}
/* create the directory (could add loop here scanning tmproot
* to create more than one level, but why really necessary?) */
if (mkdir(tmproot, 0777) == -1) {
Info(slide, 1, ((char *)slide,
"checkdir: cannot create extraction directory: %s\n",
FnFilter1(tmproot)));
free(tmproot);
rootlen = 0;
/* path didn't exist, tried to create, and failed: */
/* file exists, or 2+ subdir levels required */
return MPN_ERR_SKIP;
}
}
tmproot[rootlen++] = '.'; /*********** was '/' *************/
tmproot[rootlen] = '\0';
if ((rootpath = (char *)realloc(tmproot, rootlen+1)) == NULL) {
free(tmproot);
rootlen = 0;
return MPN_NOMEM;
}
Trace((stderr, "rootpath now = [%s]\n", FnFilter1(rootpath)));
}
return MPN_OK;
}
#endif /* !SFX || SFX_EXDIR */
/*---------------------------------------------------------------------------
END: free rootpath, immediately prior to program exit.
---------------------------------------------------------------------------*/
if (FUNCTION == END) {
Trace((stderr, "freeing rootpath\n"));
if (rootlen > 0) {
free(rootpath);
rootlen = 0;
}
return MPN_OK;
}
return MPN_INVALID; /* should never reach */
} /* end function checkdir() */
/********************/
/* Function mkdir() */
/********************/
int mkdir(path, mode)
const char *path;
int mode; /* ignored */
/*
* returns: 0 - successful
* -1 - failed (errno not set, however)
*/
{
return (SWI_OS_File_8((char *)path) == NULL)? 0 : -1;
}
/*********************************/
/* extra_field-related functions */
/*********************************/
static void setRISCOSexfield(ZCONST char *path, ZCONST void *ef_spark)
{
if (ef_spark!=NULL) {
extra_block *block=(extra_block *)ef_spark;
SWI_OS_File_1((char *)path,block->loadaddr,block->execaddr,block->attr);
}
}
#ifdef DEBUG
static void printRISCOSexfield(int isdir, ZCONST void *extra_field)
{
extra_block *block=(extra_block *)extra_field;
printf("\n This file has RISC OS file informations in the local extra field.\n");
if (isdir) {
/* I prefer not to print this string... should change later... */
/* printf(" The file is a directory.\n");*/
} else if ((block->loadaddr & 0xFFF00000) != 0xFFF00000) {
printf(" Load address: %.8X\n",block->loadaddr);
printf(" Exec address: %.8X\n",block->execaddr);
} else {
/************* should change this to use OS_FSControl 18 to get filetype string ************/
char tmpstr[16];
char ftypestr[32];
int flen;
sprintf(tmpstr,"File$Type_%03x",(block->loadaddr & 0x000FFF00) >> 8);
if (SWI_OS_ReadVarVal(tmpstr,ftypestr,32,&flen)==NULL) {
ftypestr[flen]=0;
printf(" Filetype: %s (&%.3X)\n",ftypestr,(block->loadaddr & 0x000FFF00) >> 8);
} else {
printf(" Filetype: &%.3X\n",(block->loadaddr & 0x000FFF00) >> 8);
}
}
printf(" Access: ");
if (block->attr & (1<<3))
printf("L");
if (block->attr & (1<<0))
printf("W");
if (block->attr & (1<<1))
printf("R");
printf("/");
if (block->attr & (1<<4))
printf("w");
if (block->attr & (1<<5))
printf("r");
printf("\n\n");
}
#endif /* DEBUG */
/**********************************************/
/* internal help function for time conversion */
/**********************************************/
static int uxtime2acornftime(unsigned *pexadr, unsigned *pldadr, time_t ut)
{
unsigned timlo; /* 3 lower bytes of acorn file-time plus carry byte */
unsigned timhi; /* 2 high bytes of acorn file-time */
timlo = ((unsigned)ut & 0x00ffffffU) * 100 + 0x00996a00U;
timhi = ((unsigned)ut >> 24);
timhi = timhi * 100 + 0x0000336eU + (timlo >> 24);
if (timhi & 0xffff0000U)
return 1; /* calculation overflow, do not change time */
/* insert the five time bytes into loadaddr and execaddr variables */
*pexadr = (timlo & 0x00ffffffU) | ((timhi & 0x000000ffU) << 24);
*pldadr = (*pldadr & 0xffffff00U) | ((timhi >> 8) & 0x000000ffU);
return 0; /* subject to future extension to signal overflow */
}
/****************************/
/* Function close_outfile() */
/****************************/
void close_outfile(__G)
__GDEF
{
zvoid *spark_ef;
fclose(G.outfile);
if ((spark_ef = getRISCOSexfield(G.extra_field, G.lrec.extra_field_length))
!= NULL) {
setRISCOSexfield(G.filename, spark_ef);
} else {
unsigned int loadaddr, execaddr;
int attr;
int mode=G.pInfo->file_attr&0xffff; /* chmod equivalent mode */
time_t m_time;
#ifdef USE_EF_UT_TIME
iztimes z_utime;
#endif
/* 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
#endif /* USE_EF_UT_TIME */
m_time = dos_to_unix_time(G.lrec.last_mod_dos_datetime);
}
/* set the file's time-stamp and attributes */
SWI_OS_File_5(G.filename, NULL, &loadaddr, NULL, NULL, &attr);
if (uO.D_flag <= 1)
/* set the file's modification time */
uxtime2acornftime(&execaddr, &loadaddr, m_time);
loadaddr = (loadaddr & 0xfff000ffU) |
((G.pInfo->file_attr&0xfff00000) >> 12);
attr=(attr&0xffffff00) | ((mode&0400) >> 8) | ((mode&0200) >> 6) |
((mode&0004) << 2) | ((mode&0002) << 4);
SWI_OS_File_1(G.filename, loadaddr, execaddr, attr);
}
} /* end function close_outfile() */
#ifdef TIMESTAMP
/***************************/
/* Function stamp_file() */
/***************************/
int stamp_file(fname, modtime)
ZCONST char *fname;
time_t modtime;
{
unsigned int loadaddr, execaddr;
int attr;
/* set the file's modification time */
if (SWI_OS_File_5((char *)fname, NULL, &loadaddr, NULL, NULL, &attr)
!= NULL)
return -1;
if (uxtime2acornftime(&execaddr, &loadaddr, modtime) != 0)
return -1;
return (SWI_OS_File_1((char *)fname, loadaddr, execaddr, attr) == NULL) ?
0 : -1;
} /* end function stamp_file() */
#endif /* TIMESTAMP */
#ifndef SFX
/************************/
/* Function version() */
/************************/
void version(__G)
__GDEF
{
sprintf((char *)slide, LoadFarString(CompiledWith),
#ifdef __GNUC__
"gcc ", __VERSION__,
#else
# ifdef __CC_NORCROFT
"Norcroft ", "cc",
# else
"cc", "",
# endif
#endif
"RISC OS",
" (Acorn Computers Ltd)",
#ifdef __DATE__
" on ", __DATE__
#else
"", ""
#endif
);
(*G.message)((zvoid *)&G, slide, (ulg)strlen((char *)slide), 0);
} /* end function version() */
#endif /* !SFX */
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