which included commits to RCS files with non-trunk default branches. git-svn-id: svn://10.65.10.50/trunk@5403 c028cbd2-c16b-5b4b-a496-9718f37d4682
		
			
				
	
	
		
			715 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			715 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
/*---------------------------------------------------------------------------
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  human68k.c
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  Human68K-specific routines for use with Info-ZIP's UnZip 5.1 and later.
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  Contains:  do_wild()
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             mapattr()
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             mapname()
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             checkdir()
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             close_outfile()
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             version()
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             TwentyOne()
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             normalize_name()
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  ---------------------------------------------------------------------------*/
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#include <dirent.h>
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#include <sys/dos.h>
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#include <sys/xunistd.h>
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#include <jstring.h>
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#define UNZIP_INTERNAL
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#include "unzip.h"
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static void normalize_name(char *);
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static int created_dir;        /* used in mapname(), checkdir() */
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static int renamed_fullpath;   /* ditto */
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#ifndef SFX
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/**********************/
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/* Function do_wild() */
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/**********************/
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char *do_wild(__G__ wildspec)
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    __GDEF
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    char *wildspec;         /* only used first time on a given dir */
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{
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    static DIR *dir = NULL;
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    static char *dirname, *wildname, matchname[FILNAMSIZ];
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    static int firstcall=TRUE, have_dirname, dirnamelen;
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    struct dirent *file;
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    /* Even when we're just returning wildspec, we *always* do so in
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     * matchname[]--calling routine is allowed to append four characters
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     * to the returned string, and wildspec may be a pointer to argv[].
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     */
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    if (firstcall) {        /* first call:  must initialize everything */
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        firstcall = FALSE;
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        /* break the wildspec into a directory part and a wildcard filename */
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        if ((wildname = strrchr(wildspec, '/')) == NULL) {
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            dirname = ".";
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            dirnamelen = 1;
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            have_dirname = FALSE;
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            wildname = wildspec;
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        } else {
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            ++wildname;     /* point at character after '/' */
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            dirnamelen = wildname - wildspec;
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            if ((dirname = (char *)malloc(dirnamelen+1)) == NULL) {
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                Info(slide, 1, ((char *)slide,
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                  "warning:  can't allocate wildcard buffers\n"));
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                strcpy(matchname, wildspec);
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                return matchname;   /* but maybe filespec was not a wildcard */
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            }
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            strncpy(dirname, wildspec, dirnamelen);
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            dirname[dirnamelen] = '\0';   /* terminate for strcpy below */
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            have_dirname = TRUE;
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        }
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        if ((dir = opendir(dirname)) != NULL) {
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            while ((file = readdir(dir)) != NULL) {
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                if (file->d_name[0] == '.' && wildname[0] != '.')
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                    continue;  /* Unix:  '*' and '?' do not match leading dot */
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                if (match(file->d_name, wildname, 0)) {  /* 0 == case sens. */
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                    if (have_dirname) {
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                        strcpy(matchname, dirname);
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                        strcpy(matchname+dirnamelen, file->d_name);
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                    } else
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                        strcpy(matchname, file->d_name);
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                    return matchname;
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                }
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            }
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            /* if we get to here directory is exhausted, so close it */
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            closedir(dir);
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            dir = NULL;
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        }
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        /* return the raw wildspec in case that works (e.g., directory not
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         * searchable, but filespec was not wild and file is readable) */
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        strcpy(matchname, wildspec);
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        return matchname;
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    }
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    /* last time through, might have failed opendir but returned raw wildspec */
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    if (dir == NULL) {
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        firstcall = TRUE;  /* nothing left to try--reset for new wildspec */
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        if (have_dirname)
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            free(dirname);
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        return (char *)NULL;
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    }
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    /* If we've gotten this far, we've read and matched at least one entry
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     * successfully (in a previous call), so dirname has been copied into
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     * matchname already.
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     */
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    while ((file = readdir(dir)) != NULL)
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        if (match(file->d_name, wildname, 0)) {   /* 0 == don't ignore case */
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            if (have_dirname) {
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                /* strcpy(matchname, dirname); */
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                strcpy(matchname+dirnamelen, file->d_name);
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            } else
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                strcpy(matchname, file->d_name);
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            return matchname;
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        }
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    closedir(dir);     /* have read at least one dir entry; nothing left */
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    dir = NULL;
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    firstcall = TRUE;  /* reset for new wildspec */
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    if (have_dirname)
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        free(dirname);
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    return (char *)NULL;
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} /* end function do_wild() */
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#endif /* !SFX */
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/**********************/
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/* Function mapattr() */
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/**********************/
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int mapattr(__G)
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    __GDEF
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{
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    ulg  tmp = G.crec.external_file_attributes;
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    if (G.pInfo->hostnum == UNIX_ || G.pInfo->hostnum == VMS_)
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        G.pInfo->file_attr = _mode2dos(tmp >> 16);
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    else
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        /* set archive bit (file is not backed up): */
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        G.pInfo->file_attr = (unsigned)(G.crec.external_file_attributes|32) &
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          0xff;
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    return 0;
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} /* end function mapattr() */
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/**********************/
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/* Function mapname() */
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/**********************/
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                             /* return 0 if no error, 1 if caution (filename */
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int mapname(__G__ renamed)   /*  truncated), 2 if warning (skip file because */
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    __GDEF                   /*  dir doesn't exist), 3 if error (skip file), */
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    int renamed;             /*  or 10 if out of memory (skip file) */
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{                            /*  [also IZ_VOL_LABEL, IZ_CREATED_DIR] */
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    char pathcomp[FILNAMSIZ];    /* path-component buffer */
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    char *pp, *cp=(char *)NULL;  /* character pointers */
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    char *lastsemi=(char *)NULL; /* pointer to last semi-colon in pathcomp */
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    int quote = FALSE;           /* flags */
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    int error = 0;
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    register unsigned workch;    /* hold the character being tested */
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/*---------------------------------------------------------------------------
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    Initialize various pointers and counters and stuff.
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  ---------------------------------------------------------------------------*/
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    if (G.pInfo->vollabel)
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        return IZ_VOL_LABEL;    /* can't set disk volume labels in Unix */
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    /* can create path as long as not just freshening, or if user told us */
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    G.create_dirs = (!G.fflag || renamed);
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    created_dir = FALSE;        /* not yet */
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    /* user gave full pathname:  don't prepend rootpath */
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    renamed_fullpath = (renamed && (*filename == '/'));
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    if (checkdir(__G__ (char *)NULL, INIT) == 10)
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        return 10;              /* initialize path buffer, unless no memory */
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    *pathcomp = '\0';           /* initialize translation buffer */
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    pp = pathcomp;              /* point to translation buffer */
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    if (G.jflag)                /* junking directories */
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        cp = (char *)strrchr(G.filename, '/');
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    if (cp == NULL)             /* no '/' or not junking dirs */
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        cp = G.filename;        /* point to internal zipfile-member pathname */
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    else
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        ++cp;                   /* point to start of last component of path */
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/*---------------------------------------------------------------------------
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    Begin main loop through characters in filename.
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  ---------------------------------------------------------------------------*/
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    while ((workch = (uch)*cp++) != 0) {
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        if (iskanji(workch)) {
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            *pp++ = (char)workch;
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            quote = TRUE;
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        } else if (quote) {                 /* if character quoted, */
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            *pp++ = (char)workch;    /*  include it literally */
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            quote = FALSE;
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        } else
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            switch (workch) {
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            case '/':             /* can assume -j flag not given */
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                *pp = '\0';
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                if ((error = checkdir(__G__ pathcomp, APPEND_DIR)) > 1)
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                    return error;
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                pp = pathcomp;    /* reset conversion buffer for next piece */
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                lastsemi = NULL;  /* leave directory semi-colons alone */
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                break;
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            case ';':             /* VMS version (or DEC-20 attrib?) */
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                lastsemi = pp;         /* keep for now; remove VMS ";##" */
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                *pp++ = (char)workch;  /*  later, if requested */
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                break;
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            case '\026':          /* control-V quote for special chars */
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                quote = TRUE;     /* set flag for next character */
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                break;
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            case ' ':             /* change spaces to underscore under */
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                *pp++ = '_';      /*  MTS; leave as spaces under Unix */
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                break;
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            default:
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                /* allow European characters in filenames: */
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                if (isprint(workch) || (128 <= workch && workch <= 254))
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                    *pp++ = (char)workch;
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            } /* end switch */
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    } /* end while loop */
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    *pp = '\0';                   /* done with pathcomp:  terminate it */
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    /* if not saving them, remove VMS version numbers (appended ";###") */
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    if (!G.V_flag && lastsemi) {
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        pp = lastsemi + 1;
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        while (isdigit((uch)(*pp)))
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            ++pp;
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        if (*pp == '\0')          /* only digits between ';' and end:  nuke */
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            *lastsemi = '\0';
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    }
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/*---------------------------------------------------------------------------
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    Report if directory was created (and no file to create:  filename ended
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    in '/'), check name to be sure it exists, and combine path and name be-
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    fore exiting.
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  ---------------------------------------------------------------------------*/
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    if (G.filename[strlen(G.filename) - 1] == '/') {
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        checkdir(__G__ G.filename, GETPATH);
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        if (created_dir) {
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            if (QCOND2) {
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                Info(slide, 0, ((char *)slide, "   creating: %s\n",
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                  G.filename));
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            }
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            return IZ_CREATED_DIR;   /* set dir time (note trailing '/') */
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        }
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        return 2;   /* dir existed already; don't look for data to extract */
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    }
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    if (*pathcomp == '\0') {
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        Info(slide, 1, ((char *)slide, "mapname:  conversion of %s failed\n",
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          G.filename));
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        return 3;
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    }
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    checkdir(__G__ pathcomp, APPEND_NAME);  /* returns 1 if truncated: care? */
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    checkdir(__G__ G.filename, GETPATH);
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    return error;
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} /* end function mapname() */
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/***********************/
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/* Function checkdir() */
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/***********************/
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int checkdir(__G__ pathcomp, flag)
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    __GDEF
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    char *pathcomp;
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    int flag;
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/*
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 * returns:  1 - (on APPEND_NAME) truncated filename
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 *           2 - path doesn't exist, not allowed to create
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 *           3 - path doesn't exist, tried to create and failed; or
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 *               path exists and is not a directory, but is supposed to be
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 *           4 - path is too long
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 *          10 - can't allocate memory for filename buffers
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 */
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{
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    static int rootlen = 0;   /* length of rootpath */
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    static char *rootpath;    /* user's "extract-to" directory */
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    static char *buildpath;   /* full path (so far) to extracted file */
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    static char *end;         /* pointer to end of buildpath ('\0') */
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#   define FN_MASK   7
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#   define FUNCTION  (flag & FN_MASK)
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/*---------------------------------------------------------------------------
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    APPEND_DIR:  append the path component to the path being built and check
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    for its existence.  If doesn't exist and we are creating directories, do
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    so for this one; else signal success or error as appropriate.
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  ---------------------------------------------------------------------------*/
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    if (FUNCTION == APPEND_DIR) {
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        int too_long = FALSE;
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        char *old_end = end;
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        Trace((stderr, "appending dir segment [%s]\n", pathcomp));
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        while ((*end = *pathcomp++) != '\0')
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            ++end;
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        normalize_name(old_end);
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        /* GRR:  could do better check, see if overrunning buffer as we go:
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         * check end-buildpath after each append, set warning variable if
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         * within 20 of FILNAMSIZ; then if var set, do careful check when
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         * appending.  Clear variable when begin new path. */
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        if ((end-buildpath) > FILNAMSIZ-3)  /* need '/', one-char name, '\0' */
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            too_long = TRUE;                /* check if extracting directory? */
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        if (stat(buildpath, &G.statbuf))    /* path doesn't exist */
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        {
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            if (!G.create_dirs) { /* told not to create (freshening) */
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                free(buildpath);
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                return 2;         /* path doesn't exist:  nothing to do */
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            }
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            if (too_long) {
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                Info(slide, 1, ((char *)slide,
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                  "checkdir error:  path too long: %s\n",
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                  buildpath));
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                free(buildpath);
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                return 4;         /* no room for filenames:  fatal */
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            }
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            if (MKDIR(buildpath, 0666) == -1) {   /* create the directory */
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                Info(slide, 1, ((char *)slide,
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                  "checkdir error:  can't create %s\n\
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                 unable to process %s.\n",
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                  buildpath, G.filename));
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                free(buildpath);
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                return 3;      /* path didn't exist, tried to create, failed */
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            }
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            created_dir = TRUE;
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        } else if (!S_ISDIR(G.statbuf.st_mode)) {
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            Info(slide, 1, ((char *)slide,
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              "checkdir error:  %s exists but is not directory\n\
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                 unable to process %s.\n",
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              buildpath, G.filename));
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            free(buildpath);
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            return 3;          /* path existed but wasn't dir */
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        }
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        if (too_long) {
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            Info(slide, 1, ((char *)slide,
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              "checkdir error:  path too long: %s\n",
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              buildpath));
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            free(buildpath);
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            return 4;         /* no room for filenames:  fatal */
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        }
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        *end++ = '/';
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        *end = '\0';
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        Trace((stderr, "buildpath now = [%s]\n", buildpath));
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        return 0;
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    } /* end if (FUNCTION == APPEND_DIR) */
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/*---------------------------------------------------------------------------
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    GETPATH:  copy full path to the string pointed at by pathcomp, and free
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    buildpath.
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  ---------------------------------------------------------------------------*/
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    if (FUNCTION == GETPATH) {
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        strcpy(pathcomp, buildpath);
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        Trace((stderr, "getting and freeing path [%s]\n", pathcomp));
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        free(buildpath);
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        buildpath = end = (char *)NULL;
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        return 0;
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    }
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/*---------------------------------------------------------------------------
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    APPEND_NAME:  assume the path component is the filename; append it and
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    return without checking for existence.
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  ---------------------------------------------------------------------------*/
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    if (FUNCTION == APPEND_NAME) {
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        char *old_end = end;
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        Trace((stderr, "appending filename [%s]\n", pathcomp));
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						|
        while ((*end = *pathcomp++) != '\0') {
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            ++end;
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            normalize_name(old_end);
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						|
            if ((end-buildpath) >= FILNAMSIZ) {
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                *--end = '\0';
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                Info(slide, 1, ((char *)slide,
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                  "checkdir warning:  path too long; truncating\n\
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                   %s\n                -> %s\n",
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                  G.filename, buildpath));
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                return 1;   /* filename truncated */
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            }
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        }
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        Trace((stderr, "buildpath now = [%s]\n", buildpath));
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        return 0;  /* could check for existence here, prompt for new name... */
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    }
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/*---------------------------------------------------------------------------
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    INIT:  allocate and initialize buffer space for the file currently being
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    extracted.  If file was renamed with an absolute path, don't prepend the
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    extract-to path.
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  ---------------------------------------------------------------------------*/
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/* GRR:  for VMS and TOPS-20, add up to 13 to strlen */
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						|
    if (FUNCTION == INIT) {
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        Trace((stderr, "initializing buildpath to "));
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						|
        if ((buildpath = (char *)malloc(strlen(G.filename)+rootlen+1)) ==
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            (char *)NULL)
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            return 10;
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						|
        if ((rootlen > 0) && !renamed_fullpath) {
 | 
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            strcpy(buildpath, rootpath);
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            end = buildpath + rootlen;
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        } else {
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            *buildpath = '\0';
 | 
						|
            end = buildpath;
 | 
						|
        }
 | 
						|
        Trace((stderr, "[%s]\n", buildpath));
 | 
						|
        return 0;
 | 
						|
    }
 | 
						|
 | 
						|
/*---------------------------------------------------------------------------
 | 
						|
    ROOT:  if appropriate, store the path in rootpath and create it if neces-
 | 
						|
    sary; 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", pathcomp));
 | 
						|
        if (pathcomp == (char *)NULL) {
 | 
						|
            rootlen = 0;
 | 
						|
            return 0;
 | 
						|
        }
 | 
						|
        if ((rootlen = strlen(pathcomp)) > 0) {
 | 
						|
            int had_trailing_pathsep=FALSE;
 | 
						|
 | 
						|
            if (pathcomp[rootlen-1] == '/') {
 | 
						|
                pathcomp[--rootlen] = '\0';
 | 
						|
                had_trailing_pathsep = TRUE;
 | 
						|
            }
 | 
						|
            if (rootlen > 0 && (SSTAT(pathcomp, &G.statbuf) ||
 | 
						|
                !S_ISDIR(G.statbuf.st_mode)))          /* path does not exist */
 | 
						|
            {
 | 
						|
                if (!G.create_dirs /* || iswild(pathcomp) */ ) {
 | 
						|
                    rootlen = 0;
 | 
						|
                    return 2;   /* skip (or treat as stored file) */
 | 
						|
                }
 | 
						|
                /* create the directory (could add loop here to scan pathcomp
 | 
						|
                 * and create more than one level, but why really necessary?) */
 | 
						|
                if (MKDIR(pathcomp, 0777) == -1) {
 | 
						|
                    Info(slide, 1, ((char *)slide,
 | 
						|
                      "checkdir:  can't create extraction directory: %s\n",
 | 
						|
                      pathcomp));
 | 
						|
                    rootlen = 0;   /* path didn't exist, tried to create, and */
 | 
						|
                    return 3;  /* failed:  file exists, or 2+ levels required */
 | 
						|
                }
 | 
						|
            }
 | 
						|
            if ((rootpath = (char *)malloc(rootlen+2)) == NULL) {
 | 
						|
                rootlen = 0;
 | 
						|
                return 10;
 | 
						|
            }
 | 
						|
            strcpy(rootpath, pathcomp);
 | 
						|
            rootpath[rootlen++] = '/';
 | 
						|
            rootpath[rootlen] = '\0';
 | 
						|
            Trace((stderr, "rootpath now = [%s]\n", rootpath));
 | 
						|
        }
 | 
						|
        return 0;
 | 
						|
    }
 | 
						|
#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);
 | 
						|
        return 0;
 | 
						|
    }
 | 
						|
 | 
						|
    return 99;  /* should never reach */
 | 
						|
 | 
						|
} /* end function checkdir() */
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
/****************************/
 | 
						|
/* Function close_outfile() */
 | 
						|
/****************************/
 | 
						|
 | 
						|
void close_outfile(__G)
 | 
						|
    __GDEF
 | 
						|
{
 | 
						|
#ifdef USE_EF_UT_TIME
 | 
						|
    iztimes z_utime;
 | 
						|
 | 
						|
    /* The following DOS date/time structure is machine dependent as it
 | 
						|
     * assumes "little endian" byte order. For MSDOS specific code, which
 | 
						|
     * is run on ix86 CPUs (or emulators), this assumption is valid; but
 | 
						|
     * care should be taken when using this code as template for other ports.
 | 
						|
     */
 | 
						|
    union {
 | 
						|
        ulg z_dostime;
 | 
						|
        struct {                /* date and time words */
 | 
						|
            union {             /* DOS file modification time word */
 | 
						|
                ush ztime;
 | 
						|
                struct {
 | 
						|
                    unsigned zt_se : 5;
 | 
						|
                    unsigned zt_mi : 6;
 | 
						|
                    unsigned zt_hr : 5;
 | 
						|
                } _tf;
 | 
						|
            } _t;
 | 
						|
            union {             /* DOS file modification date word */
 | 
						|
                ush zdate;
 | 
						|
                struct {
 | 
						|
                    unsigned zd_dy : 5;
 | 
						|
                    unsigned zd_mo : 4;
 | 
						|
                    unsigned zd_yr : 7;
 | 
						|
                } _df;
 | 
						|
            } _d;
 | 
						|
        } zt;
 | 
						|
    } dos_dt;
 | 
						|
#endif /* USE_EF_UT_TIME */
 | 
						|
 | 
						|
    if (G.cflag) {
 | 
						|
        fclose(G.outfile);
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
#ifdef USE_EF_UT_TIME
 | 
						|
    if (G.extra_field &&
 | 
						|
        (ef_scan_for_izux(G.extra_field, G.lrec.extra_field_length, 0,
 | 
						|
                          &z_utime, NULL) & EB_UT_FL_MTIME)) {
 | 
						|
        struct tm *t;
 | 
						|
 | 
						|
        TTrace((stderr, "close_outfile:  Unix e.f. modif. time = %ld\n",
 | 
						|
          z_utime.mtime));
 | 
						|
        /* round up to even seconds */
 | 
						|
        z_utime.mtime = (z_utime.mtime + 1) & (~1);
 | 
						|
        t = localtime(&(z_utime.mtime));
 | 
						|
        if (t->tm_year < 80) {
 | 
						|
            dos_dt.zt._t._tf.zt_se = 0;
 | 
						|
            dos_dt.zt._t._tf.zt_mi = 0;
 | 
						|
            dos_dt.zt._t._tf.zt_hr = 0;
 | 
						|
            dos_dt.zt._d._df.zd_dy = 1;
 | 
						|
            dos_dt.zt._d._df.zd_mo = 1;
 | 
						|
            dos_dt.zt._d._df.zd_yr = 0;
 | 
						|
        } else {
 | 
						|
            dos_dt.zt._t._tf.zt_se = t->tm_sec >> 1;
 | 
						|
            dos_dt.zt._t._tf.zt_mi = t->tm_min;
 | 
						|
            dos_dt.zt._t._tf.zt_hr = t->tm_hour;
 | 
						|
            dos_dt.zt._d._df.zd_dy = t->tm_mday;
 | 
						|
            dos_dt.zt._d._df.zd_mo = t->tm_mon + 1;
 | 
						|
            dos_dt.zt._d._df.zd_yr = t->tm_year - 80;
 | 
						|
        }
 | 
						|
    } else {
 | 
						|
        dos_dt.zt._t.ztime = G.lrec.last_mod_file_time;
 | 
						|
        dos_dt.zt._d.zdate = G.lrec.last_mod_file_date;
 | 
						|
    }
 | 
						|
    _dos_filedate(fileno(G.outfile), dos_dt.z_dostime);
 | 
						|
#else /* !USE_EF_UT_TIME */
 | 
						|
    _dos_filedate(fileno(G.outfile),
 | 
						|
      (ulg)G.lrec.last_mod_file_date << 16 | G.lrec.last_mod_file_time);
 | 
						|
#endif /* ?USE_EF_UT_TIME */
 | 
						|
 | 
						|
    fclose(G.outfile);
 | 
						|
 | 
						|
    _dos_chmod(G.filename, G.pInfo->file_attr);
 | 
						|
 | 
						|
} /* end function close_outfile() */
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
#ifndef SFX
 | 
						|
 | 
						|
/************************/
 | 
						|
/*  Function version()  */
 | 
						|
/************************/
 | 
						|
 | 
						|
void version(__G)
 | 
						|
    __GDEF
 | 
						|
{
 | 
						|
    int len;
 | 
						|
#if 0
 | 
						|
    char buf[40];
 | 
						|
#endif
 | 
						|
 | 
						|
    len = sprintf((char *)slide, LoadFarString(CompiledWith),
 | 
						|
 | 
						|
#ifdef __GNUC__
 | 
						|
      "gcc ", __VERSION__,
 | 
						|
#else
 | 
						|
#  if 0
 | 
						|
      "cc ", (sprintf(buf, " version %d", _RELEASE), buf),
 | 
						|
#  else
 | 
						|
      "unknown compiler", "",
 | 
						|
#  endif
 | 
						|
#endif
 | 
						|
 | 
						|
      "Human68k", " (X68000)",
 | 
						|
 | 
						|
#ifdef __DATE__
 | 
						|
      " on ", __DATE__
 | 
						|
#else
 | 
						|
      "", ""
 | 
						|
#endif
 | 
						|
      );
 | 
						|
 | 
						|
    (*G.message)((zvoid *)&G, slide, (ulg)len, 0);
 | 
						|
 | 
						|
} /* end function version() */
 | 
						|
 | 
						|
#endif /* !SFX */
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
/* Human68K-specific routines */
 | 
						|
 | 
						|
#define VALID_CHAR "&#()@_^{}!"
 | 
						|
 | 
						|
extern ulg TwentyOneOptions(void);
 | 
						|
 | 
						|
static int multi_period = 0;
 | 
						|
static int special_char = 0;
 | 
						|
 | 
						|
void
 | 
						|
InitTwentyOne(void)
 | 
						|
{
 | 
						|
    ulg stat;
 | 
						|
 | 
						|
    stat = TwentyOneOptions();
 | 
						|
    if (stat == 0 || stat == (unsigned long) -1) {
 | 
						|
        special_char = 0;
 | 
						|
        multi_period = 0;
 | 
						|
        return;
 | 
						|
    }
 | 
						|
    if (stat & (1UL << 29))
 | 
						|
        special_char = 1;
 | 
						|
    if (stat & (1UL << 28))
 | 
						|
        multi_period = 1;
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
normalize_name(char *name)
 | 
						|
{
 | 
						|
    char *dot;
 | 
						|
    char *p;
 | 
						|
 | 
						|
    if (strlen(name) > 18) {    /* too long */
 | 
						|
        char base[18 + 1];
 | 
						|
        char ext[4 + 1];
 | 
						|
 | 
						|
        if ((dot = jstrrchr(name, '.')) != NULL)
 | 
						|
            *dot = '\0';
 | 
						|
        strncpy(base, name, 18);
 | 
						|
        base[18] = '\0';
 | 
						|
        if (dot) {
 | 
						|
            *dot = '.';
 | 
						|
            strncpy(ext, dot, 4);
 | 
						|
            ext[4] = '\0';
 | 
						|
        } else
 | 
						|
            *ext = '\0';
 | 
						|
        strcpy(name, base);
 | 
						|
        strcat(name, ext);
 | 
						|
    }
 | 
						|
    dot = NULL;
 | 
						|
    for (p = name; *p; p++) {
 | 
						|
        if (iskanji((unsigned char)*p) && p[1] != '\0')
 | 
						|
            p++;
 | 
						|
        else if (*p == '.') {
 | 
						|
            if (!multi_period) {
 | 
						|
                dot = p;
 | 
						|
                *p = '_';
 | 
						|
            }
 | 
						|
        } else if (!special_char && !isalnum (*p)
 | 
						|
                   && strchr(VALID_CHAR, *p) == NULL)
 | 
						|
            *p = '_';
 | 
						|
    }
 | 
						|
    if (dot != NULL) {
 | 
						|
        *dot = '.';
 | 
						|
        if (strlen(dot) > 4)
 | 
						|
            dot[4] = '\0';
 | 
						|
    }
 | 
						|
}
 |