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
		
			
				
	
	
		
			723 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			723 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
/*---------------------------------------------------------------------------
 | 
						|
 | 
						|
  atari.c
 | 
						|
 | 
						|
  Atari-specific routines for use with Info-ZIP's UnZip 5.1 and later.
 | 
						|
 | 
						|
  Contains:  readdir()
 | 
						|
             do_wild()           <-- generic enough to put in fileio.c?
 | 
						|
             mapattr()
 | 
						|
             mapname()
 | 
						|
             checkdir()
 | 
						|
             mkdir()
 | 
						|
             close_outfile()
 | 
						|
             version()
 | 
						|
 | 
						|
  Due to the amazing MiNT library being very, very close to BSD unix's
 | 
						|
  library, I'm using the unix.c as a base for this.  Note:  If you're not
 | 
						|
  going to compile this with the MiNT libraries (for GNU C, Turbo C, Pure C,
 | 
						|
  Lattice C, or Heat & Serve C), you're going to be in for some nasty work.
 | 
						|
  Most of the modifications in this file were made by Chris Herborth
 | 
						|
  (cherborth@semprini.waterloo-rdp.on.ca) and /should/ be marked with [cjh].
 | 
						|
 | 
						|
  ---------------------------------------------------------------------------*/
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						|
 | 
						|
 | 
						|
#define UNZIP_INTERNAL
 | 
						|
#include "unzip.h"
 | 
						|
#include <dirent.h>            /* MiNTlibs has dirent [cjh] */
 | 
						|
 | 
						|
static int created_dir;        /* used in mapname(), checkdir() */
 | 
						|
static int renamed_fullpath;   /* ditto */
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 | 
						|
 | 
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#ifndef SFX
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						|
 | 
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/**********************/
 | 
						|
/* Function do_wild() */   /* for porting:  dir separator; match(ignore_case) */
 | 
						|
/**********************/
 | 
						|
 | 
						|
char *do_wild(__G__ wildspec)
 | 
						|
    __GDEF
 | 
						|
    char *wildspec;         /* only used first time on a given dir */
 | 
						|
{
 | 
						|
    static DIR *dir = (DIR *)NULL;
 | 
						|
    static char *dirname, *wildname, matchname[FILNAMSIZ];
 | 
						|
    static int firstcall=TRUE, 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 (firstcall) {        /* first call:  must initialize everything */
 | 
						|
        firstcall = FALSE;
 | 
						|
 | 
						|
        /* break the wildspec into a directory part and a wildcard filename */
 | 
						|
        if ((wildname = strrchr(wildspec, '/')) == (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:  can't allocate wildcard buffers\n"));
 | 
						|
                strcpy(matchname, wildspec);
 | 
						|
                return matchname;   /* but maybe filespec was not a wildcard */
 | 
						|
            }
 | 
						|
            strncpy(dirname, wildspec, dirnamelen);
 | 
						|
            dirname[dirnamelen] = '\0';   /* terminate for strcpy below */
 | 
						|
            have_dirname = TRUE;
 | 
						|
        }
 | 
						|
 | 
						|
        if ((dir = opendir(dirname)) != (DIR *)NULL) {
 | 
						|
            while ((file = readdir(dir)) != (struct dirent *)NULL) {
 | 
						|
                if (file->d_name[0] == '.' && wildname[0] != '.')
 | 
						|
                    continue;  /* Unix:  '*' and '?' do not match leading dot */
 | 
						|
                    /* Need something here for TOS filesystem? [cjh] */
 | 
						|
                if (match(file->d_name, wildname, 0)) {  /* 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(dir);
 | 
						|
            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) */
 | 
						|
        strcpy(matchname, wildspec);
 | 
						|
        return matchname;
 | 
						|
    }
 | 
						|
 | 
						|
    /* last time through, might have failed opendir but returned raw wildspec */
 | 
						|
    if (dir == (DIR *)NULL) {
 | 
						|
        firstcall = TRUE;  /* 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(dir)) != (struct dirent *)NULL)
 | 
						|
        /* May need special TOS handling here. [cjh] */
 | 
						|
        if (match(file->d_name, wildname, 0)) {   /* 0 == don't ignore case */
 | 
						|
            if (have_dirname) {
 | 
						|
                /* strcpy(matchname, dirname); */
 | 
						|
                strcpy(matchname+dirnamelen, file->d_name);
 | 
						|
            } else
 | 
						|
                strcpy(matchname, file->d_name);
 | 
						|
            return matchname;
 | 
						|
        }
 | 
						|
 | 
						|
    closedir(dir);     /* have read at least one dir entry; nothing left */
 | 
						|
    dir = (DIR *)NULL;
 | 
						|
    firstcall = TRUE;  /* reset for new wildspec */
 | 
						|
    if (have_dirname)
 | 
						|
        free(dirname);
 | 
						|
    return (char *)NULL;
 | 
						|
 | 
						|
} /* end function do_wild() */
 | 
						|
 | 
						|
#endif /* !SFX */
 | 
						|
 | 
						|
 | 
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 | 
						|
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/**********************/
 | 
						|
/* Function mapattr() */
 | 
						|
/**********************/
 | 
						|
 | 
						|
int mapattr(__G)
 | 
						|
    __GDEF
 | 
						|
{
 | 
						|
    ulg tmp = G.crec.external_file_attributes;
 | 
						|
 | 
						|
    switch (G.pInfo->hostnum) {
 | 
						|
        case UNIX_:
 | 
						|
        case ATARI_:
 | 
						|
            /* minix filesystem under MiNT on Atari [cjh] */
 | 
						|
        case VMS_:
 | 
						|
            G.pInfo->file_attr = (unsigned)(tmp >> 16);
 | 
						|
            return 0;
 | 
						|
        case AMIGA_:
 | 
						|
            tmp = (unsigned)(tmp>>17 & 7);   /* Amiga RWE bits */
 | 
						|
            G.pInfo->file_attr = (unsigned)(tmp<<6 | tmp<<3 | tmp);
 | 
						|
            break;
 | 
						|
        /* all remaining cases:  expand MSDOS read-only bit into write perms */
 | 
						|
        case FS_FAT_:
 | 
						|
        case FS_HPFS_:
 | 
						|
        case FS_NTFS_:
 | 
						|
        case MAC_:
 | 
						|
        case TOPS20_:
 | 
						|
        default:
 | 
						|
            tmp = !(tmp & 1) << 1;   /* read-only bit --> write perms bits */
 | 
						|
            G.pInfo->file_attr = (unsigned)(0444 | tmp<<6 | tmp<<3 | tmp);
 | 
						|
            break;
 | 
						|
    } /* end switch (host-OS-created-by) */
 | 
						|
 | 
						|
    /* for originating systems with no concept of "group," "other," "system": */
 | 
						|
    umask( (int)(tmp=umask(0)) );    /* apply mask to expanded r/w(/x) perms */
 | 
						|
    G.pInfo->file_attr &= ~tmp;
 | 
						|
 | 
						|
    return 0;
 | 
						|
 | 
						|
} /* end function mapattr() */
 | 
						|
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/************************/
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						|
/*  Function mapname()  */
 | 
						|
/************************/
 | 
						|
                             /* return 0 if no error, 1 if caution (filename */
 | 
						|
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), */
 | 
						|
    int renamed;             /*  or 10 if out of memory (skip file) */
 | 
						|
{                            /*  [also IZ_VOL_LABEL, IZ_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 quote = FALSE;           /* flags */
 | 
						|
    int error = 0;
 | 
						|
    register unsigned workch;    /* hold the character being tested */
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						|
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 | 
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/*---------------------------------------------------------------------------
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						|
    Initialize various pointers and counters and stuff.
 | 
						|
  ---------------------------------------------------------------------------*/
 | 
						|
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						|
    if (G.pInfo->vollabel)
 | 
						|
        return IZ_VOL_LABEL;    /* can't set disk volume labels in Unix */
 | 
						|
 | 
						|
    /* can create path as long as not just freshening, or if user told us */
 | 
						|
    G.create_dirs = (!G.fflag || renamed);
 | 
						|
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						|
    created_dir = FALSE;        /* not yet */
 | 
						|
 | 
						|
    /* user gave full pathname:  don't prepend rootpath */
 | 
						|
    renamed_fullpath = (renamed && (*G.filename == '/'));
 | 
						|
 | 
						|
    if (checkdir(__G__ (char *)NULL, INIT) == 10)
 | 
						|
        return 10;              /* initialize path buffer, unless no memory */
 | 
						|
 | 
						|
    *pathcomp = '\0';           /* initialize translation buffer */
 | 
						|
    pp = pathcomp;              /* point to translation buffer */
 | 
						|
    if (G.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 */
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						|
 | 
						|
/*---------------------------------------------------------------------------
 | 
						|
    Begin main loop through characters in filename.
 | 
						|
  ---------------------------------------------------------------------------*/
 | 
						|
 | 
						|
    while ((workch = (uch)*cp++) != 0) {
 | 
						|
 | 
						|
        if (quote) {                 /* if character quoted, */
 | 
						|
            *pp++ = (char)workch;    /*  include it literally */
 | 
						|
            quote = FALSE;
 | 
						|
        } else
 | 
						|
            switch (workch) {
 | 
						|
            case '/':             /* can assume -j flag not given */
 | 
						|
                *pp = '\0';
 | 
						|
                if ((error = checkdir(__G__ pathcomp, APPEND_DIR)) > 1)
 | 
						|
                    return error;
 | 
						|
                pp = pathcomp;    /* reset conversion buffer for next piece */
 | 
						|
                lastsemi = (char *)NULL; /* leave directory 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;
 | 
						|
 | 
						|
            case '\026':          /* control-V quote for special chars */
 | 
						|
                quote = TRUE;     /* set flag for next character */
 | 
						|
                break;
 | 
						|
 | 
						|
#ifdef MTS
 | 
						|
            case ' ':             /* change spaces to underscore under */
 | 
						|
                *pp++ = '_';      /*  MTS; leave as spaces under Unix */
 | 
						|
                break;
 | 
						|
#endif
 | 
						|
 | 
						|
            default:
 | 
						|
                /* allow European characters in filenames: */
 | 
						|
                if (isprint(workch) || (128 <= workch && workch <= 254))
 | 
						|
                    *pp++ = (char)workch;
 | 
						|
            } /* end switch */
 | 
						|
 | 
						|
    } /* end while loop */
 | 
						|
 | 
						|
    *pp = '\0';                   /* done with pathcomp:  terminate it */
 | 
						|
 | 
						|
    /* if not saving them, remove VMS version numbers (appended ";###") */
 | 
						|
    if (!G.V_flag && lastsemi) {
 | 
						|
        pp = lastsemi + 1;
 | 
						|
        while (isdigit((uch)(*pp)))
 | 
						|
            ++pp;
 | 
						|
        if (*pp == '\0')          /* only digits between ';' and end:  nuke */
 | 
						|
            *lastsemi = '\0';
 | 
						|
    }
 | 
						|
 | 
						|
/*---------------------------------------------------------------------------
 | 
						|
    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",
 | 
						|
                  G.filename));
 | 
						|
            }
 | 
						|
            return IZ_CREATED_DIR;   /* set dir time (note trailing '/') */
 | 
						|
        }
 | 
						|
        return 2;   /* dir existed already; don't look for data to extract */
 | 
						|
    }
 | 
						|
 | 
						|
    if (*pathcomp == '\0') {
 | 
						|
        Info(slide, 1, ((char *)slide, "mapname:  conversion of %s failed\n",
 | 
						|
          G.filename));
 | 
						|
        return 3;
 | 
						|
    }
 | 
						|
 | 
						|
    checkdir(__G__ pathcomp, APPEND_NAME);  /* returns 1 if truncated: care? */
 | 
						|
    checkdir(__G__ G.filename, GETPATH);
 | 
						|
 | 
						|
    return error;
 | 
						|
 | 
						|
} /* end function mapname() */
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
#if 0  /*========== NOTES ==========*/
 | 
						|
 | 
						|
  extract-to dir:      a:path/
 | 
						|
  buildpath:           path1/path2/ ...   (NULL-terminated)
 | 
						|
  pathcomp:                filename
 | 
						|
 | 
						|
  mapname():
 | 
						|
    loop over chars in zipfile member name
 | 
						|
      checkdir(path component, COMPONENT | CREATEDIR) --> map as required?
 | 
						|
        (d:/tmp/unzip/)                    (disk:[tmp.unzip.)
 | 
						|
        (d:/tmp/unzip/jj/)                 (disk:[tmp.unzip.jj.)
 | 
						|
        (d:/tmp/unzip/jj/temp/)            (disk:[tmp.unzip.jj.temp.)
 | 
						|
    finally add filename itself and check for existence? (could use with rename)
 | 
						|
        (d:/tmp/unzip/jj/temp/msg.outdir)  (disk:[tmp.unzip.jj.temp]msg.outdir)
 | 
						|
    checkdir(name, GETPATH)     -->  copy path to name and free space
 | 
						|
 | 
						|
#endif /* 0 */
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
/***********************/
 | 
						|
/* Function checkdir() */
 | 
						|
/***********************/
 | 
						|
 | 
						|
int checkdir(__G__ pathcomp, flag)
 | 
						|
    __GDEF
 | 
						|
    char *pathcomp;
 | 
						|
    int flag;
 | 
						|
/*
 | 
						|
 * returns:  1 - (on APPEND_NAME) truncated filename
 | 
						|
 *           2 - path doesn't exist, not allowed to create
 | 
						|
 *           3 - path doesn't exist, tried to create and failed; or
 | 
						|
 *               path exists and is not a directory, but is supposed to be
 | 
						|
 *           4 - path is too long
 | 
						|
 *          10 - 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;
 | 
						|
/* SHORT_NAMES required for TOS, but it has to co-exist for minix fs... [cjh] */
 | 
						|
#ifdef SHORT_NAMES
 | 
						|
        char *old_end = end;
 | 
						|
#endif
 | 
						|
 | 
						|
        Trace((stderr, "appending dir segment [%s]\n", pathcomp));
 | 
						|
        while ((*end = *pathcomp++) != '\0')
 | 
						|
            ++end;
 | 
						|
/* SHORT_NAMES required for TOS, but it has to co-exist for minix fs... [cjh] */
 | 
						|
#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. */
 | 
						|
 | 
						|
        if ((end-buildpath) > FILNAMSIZ-3)  /* need '/', one-char name, '\0' */
 | 
						|
            too_long = TRUE;                /* check if extracting directory? */
 | 
						|
        if (stat(buildpath, &G.statbuf)) {  /* path doesn't exist */
 | 
						|
            if (!G.create_dirs) { /* told not to create (freshening) */
 | 
						|
                free(buildpath);
 | 
						|
                return 2;         /* path doesn't exist:  nothing to do */
 | 
						|
            }
 | 
						|
            if (too_long) {
 | 
						|
                Info(slide, 1, ((char *)slide,
 | 
						|
                  "checkdir error:  path too long: %s\n", buildpath));
 | 
						|
                free(buildpath);
 | 
						|
                return 4;         /* no room for filenames:  fatal */
 | 
						|
            }
 | 
						|
            if (mkdir(buildpath, 0777) == -1) {   /* create the directory */
 | 
						|
                Info(slide, 1, ((char *)slide,
 | 
						|
                  "checkdir error:  can't create %s\n\
 | 
						|
                 unable to process %s.\n", buildpath, G.filename));
 | 
						|
                free(buildpath);
 | 
						|
                return 3;      /* path didn't exist, tried to create, failed */
 | 
						|
            }
 | 
						|
            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", buildpath, G.filename));
 | 
						|
            free(buildpath);
 | 
						|
            return 3;          /* path existed but wasn't dir */
 | 
						|
        }
 | 
						|
        if (too_long) {
 | 
						|
            Info(slide, 1, ((char *)slide,
 | 
						|
              "checkdir error:  path too long: %s\n", buildpath));
 | 
						|
            free(buildpath);
 | 
						|
            return 4;         /* no room for filenames:  fatal */
 | 
						|
        }
 | 
						|
        *end++ = '/';
 | 
						|
        *end = '\0';
 | 
						|
        Trace((stderr, "buildpath now = [%s]\n", buildpath));
 | 
						|
        return 0;
 | 
						|
 | 
						|
    } /* 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", pathcomp));
 | 
						|
        free(buildpath);
 | 
						|
        buildpath = end = (char *)NULL;
 | 
						|
        return 0;
 | 
						|
    }
 | 
						|
 | 
						|
/*---------------------------------------------------------------------------
 | 
						|
    APPEND_NAME:  assume the path component is the filename; append it and
 | 
						|
    return without checking for existence.
 | 
						|
  ---------------------------------------------------------------------------*/
 | 
						|
 | 
						|
    if (FUNCTION == APPEND_NAME) {
 | 
						|
/* SHORT_NAMES required for TOS, but it has to co-exist for minix fs... [cjh] */
 | 
						|
#ifdef SHORT_NAMES
 | 
						|
        char *old_end = end;
 | 
						|
#endif
 | 
						|
 | 
						|
        Trace((stderr, "appending filename [%s]\n", pathcomp));
 | 
						|
        while ((*end = *pathcomp++) != '\0') {
 | 
						|
            ++end;
 | 
						|
/* SHORT_NAMES required for TOS, but it has to co-exist for minix fs... [cjh] */
 | 
						|
#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", G.filename, buildpath));
 | 
						|
                return 1;   /* filename truncated */
 | 
						|
            }
 | 
						|
        }
 | 
						|
        Trace((stderr, "buildpath now = [%s]\n", buildpath));
 | 
						|
        return 0;  /* could check for existence here, prompt for new name... */
 | 
						|
    }
 | 
						|
 | 
						|
/*---------------------------------------------------------------------------
 | 
						|
    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 10;
 | 
						|
        if ((rootlen > 0) && !renamed_fullpath) {
 | 
						|
            strcpy(buildpath, rootpath);
 | 
						|
            end = buildpath + rootlen;
 | 
						|
        } else {
 | 
						|
            *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) {
 | 
						|
            if (pathcomp[rootlen-1] == '/') {
 | 
						|
                pathcomp[--rootlen] = '\0';
 | 
						|
            }
 | 
						|
            if (rootlen > 0 && (stat(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)) == (char *)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)    /* GRR: change to return PK-style warning level */
 | 
						|
    __GDEF
 | 
						|
{
 | 
						|
#ifdef USE_EF_UT_TIME
 | 
						|
    unsigned eb_izux_flags;
 | 
						|
    iztimes zt;
 | 
						|
#endif
 | 
						|
    ztimbuf tp;
 | 
						|
 | 
						|
/*---------------------------------------------------------------------------
 | 
						|
    If symbolic links are supported, allocate a storage area, put the uncom-
 | 
						|
    pressed "data" in it, and create the link.  Since we know it's a symbolic
 | 
						|
    link to start with, we shouldn't have to worry about overflowing unsigned
 | 
						|
    ints with unsigned longs.
 | 
						|
  ---------------------------------------------------------------------------*/
 | 
						|
 | 
						|
    /* symlinks allowed on minix filesystems [cjh]
 | 
						|
     * Hopefully this will work properly... We won't bother to try if
 | 
						|
     * MiNT isn't present; the symlink should fail if we're on a TOS
 | 
						|
     * filesystem.
 | 
						|
     * BUG: should we copy the original file to the "symlink" if the
 | 
						|
     *      link fails?
 | 
						|
     */
 | 
						|
    if (G.symlnk) {
 | 
						|
        unsigned ucsize = (unsigned)G.lrec.ucsize;
 | 
						|
        char *linktarget = (char *)malloc((unsigned)G.lrec.ucsize+1);
 | 
						|
 | 
						|
        fclose(G.outfile);                      /* close "data" file... */
 | 
						|
        G.outfile = fopen(G.filename, FOPR);    /* ...and reopen for reading */
 | 
						|
        if (!linktarget || (fread(linktarget, 1, ucsize, G.outfile) !=
 | 
						|
                            (int)ucsize)) {
 | 
						|
            Info(slide, 0x201, ((char *)slide,
 | 
						|
              "warning:  symbolic link (%s) failed\n", G.filename));
 | 
						|
            if (linktarget)
 | 
						|
                free(linktarget);
 | 
						|
            fclose(G.outfile);
 | 
						|
            return;
 | 
						|
        }
 | 
						|
        fclose(G.outfile);                  /* close "data" file for good... */
 | 
						|
        unlink(G.filename);                 /* ...and delete it */
 | 
						|
        linktarget[ucsize] = '\0';
 | 
						|
        Info(slide, 0, ((char *)slide, "-> %s ", linktarget));
 | 
						|
        if (symlink(linktarget, G.filename))  /* create the real link */
 | 
						|
            perror("symlink error");
 | 
						|
        free(linktarget);
 | 
						|
        return;                             /* can't set time on symlinks */
 | 
						|
    }
 | 
						|
 | 
						|
    fclose(G.outfile);
 | 
						|
 | 
						|
/*---------------------------------------------------------------------------
 | 
						|
    Convert from MSDOS-format local time and date to Unix-format 32-bit GMT
 | 
						|
    time:  adjust base year from 1980 to 1970, do usual conversions from
 | 
						|
    yy/mm/dd hh:mm:ss to elapsed seconds, and account for timezone and day-
 | 
						|
    light savings time differences.
 | 
						|
  ---------------------------------------------------------------------------*/
 | 
						|
 | 
						|
#ifdef USE_EF_UT_TIME
 | 
						|
    eb_izux_flg = G.extra_field ?
 | 
						|
                 ef_scan_for_izux(G.extra_field, G.lrec.extra_field_length, 0,
 | 
						|
                                  &zt, NULL) : 0;
 | 
						|
    if (eb_izux_flg & EB_UT_FL_MTIME) {
 | 
						|
        tp.modtime = zt.mtime;
 | 
						|
        TTrace((stderr, "\nclose_outfile:  Unix e.f. modif. time = %ld\n",
 | 
						|
          tp.modtime));
 | 
						|
    } else {
 | 
						|
        tp.modtime = dos_to_unix_time(G.lrec.last_mod_file_date,
 | 
						|
                                      G.lrec.last_mod_file_time);
 | 
						|
    }
 | 
						|
    if (eb_izux_flg & EB_UT_FL_ATIME) {
 | 
						|
        tp.actime = zt.atime;
 | 
						|
        TTrace((stderr, "close_outfile:  Unix e.f. access time = %ld\n",
 | 
						|
          tp.actime));
 | 
						|
    } else {
 | 
						|
        tp.actime = tp.modtime;
 | 
						|
        TTrace((stderr, "\nclose_outfile:  modification/access times = %ld\n",
 | 
						|
          tp.modtime));
 | 
						|
    }
 | 
						|
#else /* !USE_EF_UT_TIME */
 | 
						|
    tp.actime = tp.modtime = dos_to_unix_time(G.lrec.last_mod_file_date,
 | 
						|
                                              G.lrec.last_mod_file_time);
 | 
						|
 | 
						|
    TTrace((stderr, "\nclose_outfile:  modification/access times = %ld\n",
 | 
						|
      tp.modtime));
 | 
						|
#endif /* ?USE_EF_UT_TIME */
 | 
						|
 | 
						|
    /* set the file's access and modification times */
 | 
						|
    if (utime(G.filename, &tp))
 | 
						|
        Info(slide, 0x201, ((char *)slide,
 | 
						|
          "warning:  can't set the time for %s\n", G.filename));
 | 
						|
 | 
						|
/*---------------------------------------------------------------------------
 | 
						|
    Change the file permissions from default ones to those stored in the
 | 
						|
    zipfile.
 | 
						|
  ---------------------------------------------------------------------------*/
 | 
						|
 | 
						|
#ifndef NO_CHMOD
 | 
						|
    if (chmod(G.filename, 0xffff & G.pInfo->file_attr))
 | 
						|
            perror("chmod (file attributes) error");
 | 
						|
#endif
 | 
						|
 | 
						|
} /* end function close_outfile() */
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
#ifndef SFX
 | 
						|
 | 
						|
/************************/
 | 
						|
/*  Function version()  */
 | 
						|
/************************/
 | 
						|
 | 
						|
void version(__G)
 | 
						|
    __GDEF
 | 
						|
{
 | 
						|
#ifdef __TURBOC__
 | 
						|
    char buf[40];
 | 
						|
#endif
 | 
						|
 | 
						|
    sprintf((char *)slide, LoadFarString(CompiledWith),
 | 
						|
 | 
						|
#ifdef __GNUC__
 | 
						|
      "gcc ", __VERSION__,
 | 
						|
#else
 | 
						|
#  if 0
 | 
						|
      "cc ", (sprintf(buf, " version %d", _RELEASE), buf),
 | 
						|
#  else
 | 
						|
#  ifdef __TURBOC__
 | 
						|
      "Turbo C", (sprintf(buf, " (0x%04x = %d)", __TURBOC__, __TURBOC__), buf),
 | 
						|
#  else
 | 
						|
      "unknown compiler", "",
 | 
						|
#  endif
 | 
						|
#  endif
 | 
						|
#endif
 | 
						|
 | 
						|
#ifdef __MINT__
 | 
						|
      "Atari TOS/MiNT",
 | 
						|
#else
 | 
						|
      "Atari TOS",
 | 
						|
#endif
 | 
						|
 | 
						|
      " (Atari ST/TT/Falcon030)",
 | 
						|
 | 
						|
#ifdef __DATE__
 | 
						|
      " on ", __DATE__
 | 
						|
#else
 | 
						|
      "", ""
 | 
						|
#endif
 | 
						|
    );
 | 
						|
 | 
						|
    (*G.message)((zvoid *)&G, slide, (ulg)strlen((char *)slide), 0);
 | 
						|
 | 
						|
} /* end function version() */
 | 
						|
 | 
						|
#endif /* !SFX */
 |