cmdline.c

infozip2.2源码

        *ptr++ = 'q';

    /*
    **  Suppress creation of any extra field.
    */
    status = cli$present(&cli_extra_fields);
    if (!(status & 1))
        *ptr++ = 'X';

    /*
    **  Save the VMS file attributes.
    */
    status = cli$present(&cli_vms);
    if (status & 1)
        *ptr++ = 'V';

    /*
    **  Keep the VMS version number as part of the file name when stored.
    */
    status = cli$present(&cli_keep_version);
    if (status & 1)
        *ptr++ = 'w';

    /*
    **  `Batch' processing: read filenames to archive from stdin
    **  or the specified file.
    */
    status = cli$present(&cli_batch);
    if (status & 1) {
        status = cli$get_value(&cli_batch, &work_str);
        if (status & 1) {
            work_str.dsc$a_pointer[work_str.dsc$w_length] = '\0';
            if ((stdin = freopen(work_str.dsc$a_pointer, "r", stdin)) == NULL)
            {
                sprintf(errbuf, "could not open list file: %s",
                        work_str.dsc$a_pointer);
                ziperr(ZE_PARMS, errbuf);
            }
        }
        *ptr++ = '@';
    }

    /*
    **  Now copy the final options string to the_cmd_line.
    */
    len = ptr - &options[0];
    if (len > 1) {
        options[len] = '\0';
        x = cmdl_len;
        cmdl_len += len + 1;
        CHECK_BUFFER_ALLOCATION(the_cmd_line, cmdl_size, cmdl_len)
        strcpy(&the_cmd_line[x], options);
    }

    /*
    **
    **  OK.  We've done all the regular options, so check for -b (temporary
    **  file path), -t (exclude before time), -n (special suffixes), zipfile,
    **  files to zip, and exclude list.
    **
    */
    status = cli$present(&cli_temp_path);
    if (status & 1) {
        status = cli$get_value(&cli_temp_path, &work_str);
        x = cmdl_len;
        cmdl_len += work_str.dsc$w_length + 4;
        CHECK_BUFFER_ALLOCATION(the_cmd_line, cmdl_size, cmdl_len)
        strcpy(&the_cmd_line[x], "-b");
        strncpy(&the_cmd_line[x+3], work_str.dsc$a_pointer,
                work_str.dsc$w_length);
        the_cmd_line[cmdl_len-1] = '\0';
    }

    /*
    **  Handle "-t mmddyyyy".
    */
    status = cli$present(&cli_since);
    if (status & 1) {
        char since_time[9];

        status = get_time(&cli_since, &since_time[0]);
        if (!(status & 1)) return (status);

        /*
        **  Now let's add the option "-t mmddyyyy" to the new command line.
        */
        x = cmdl_len;
        cmdl_len += (3 + 9);
        CHECK_BUFFER_ALLOCATION(the_cmd_line, cmdl_size, cmdl_len)
        strcpy(&the_cmd_line[x], "-t");
        strcpy(&the_cmd_line[x+3], since_time);
    }

    /*
    **  Handle "-tt mmddyyyy".
    */
    status = cli$present(&cli_before);
    if (status & 1) {
        char before_time[9];

        status = get_time(&cli_before, &before_time[0]);
        if (!(status & 1)) return (status);

        /*
        **  Now let's add the option "-tt mmddyyyy" to the new command line.
        */
        x = cmdl_len;
        cmdl_len += (4 + 9);
        CHECK_BUFFER_ALLOCATION(the_cmd_line, cmdl_size, cmdl_len)
        strcpy(&the_cmd_line[x], "-tt");
        strcpy(&the_cmd_line[x+4], before_time);
    }

    /*
    **  Handle "-n suffix:suffix:...".  (File types to store only.)
    */
    status = cli$present(&cli_store_types);
    if (status & 1) {
        x = cmdl_len;
        cmdl_len += 3;
        CHECK_BUFFER_ALLOCATION(the_cmd_line, cmdl_size, cmdl_len)
        strcpy(&the_cmd_line[x], "-n");

        status = get_list(&cli_store_types, &foreign_cmdline, ':',
                          &the_cmd_line, &cmdl_size, &cmdl_len);
        if (!(status & 1)) return (status);
    }

    /*
    **  Now get the specified zip file name.
    */
    status = cli$present(&cli_zipfile);
    if (status & 1) {
        status = cli$get_value(&cli_zipfile, &work_str);

        x = cmdl_len;
        cmdl_len += work_str.dsc$w_length + 1;
        CHECK_BUFFER_ALLOCATION(the_cmd_line, cmdl_size, cmdl_len)
        strncpy(&the_cmd_line[x], work_str.dsc$a_pointer,
                work_str.dsc$w_length);
        the_cmd_line[cmdl_len-1] = '\0';

    }

    /*
    **  Run through the list of input files.
    */
    status = cli$present(&cli_infile);
    if (status & 1) {
        status = get_list(&cli_infile, &foreign_cmdline, '\0',
                          &the_cmd_line, &cmdl_size, &cmdl_len);
        if (!(status & 1)) return (status);
    }

    /*
    **  List file containing exclude patterns present? ("[e-mail]")
    */
    status = cli$present(&cli_exlist);
    if (status & 1) {
        status = cli$get_value(&cli_exlist, &work_str);
        x = cmdl_len;
        cmdl_len += work_str.dsc$w_length + 4;
        CHECK_BUFFER_ALLOCATION(the_cmd_line, cmdl_size, cmdl_len)
        strncpy(&the_cmd_line[x], "-x@", 3);
        strncpy(&the_cmd_line[x+3], work_str.dsc$a_pointer,
                work_str.dsc$w_length);
        the_cmd_line[cmdl_len-1] = '\0';
    }

    /*
    **  Any files to exclude? ("-x file file")
    */
    status = cli$present(&cli_exclude);
    if (status & 1) {
        x = cmdl_len;
        cmdl_len += 3;
        CHECK_BUFFER_ALLOCATION(the_cmd_line, cmdl_size, cmdl_len)
        strcpy(&the_cmd_line[x], "-x");

        status = get_list(&cli_exclude, &foreign_cmdline, '\0',
                          &the_cmd_line, &cmdl_size, &cmdl_len);
        if (!(status & 1)) return (status);
    }

    /*
    **  List file containing include patterns present? ("[e-mail]")
    */
    status = cli$present(&cli_inlist);
    if (status & 1) {
        status = cli$get_value(&cli_inlist, &work_str);
        x = cmdl_len;
        cmdl_len += work_str.dsc$w_length + 4;
        CHECK_BUFFER_ALLOCATION(the_cmd_line, cmdl_size, cmdl_len)
        strncpy(&the_cmd_line[x], "-i@", 3);
        strncpy(&the_cmd_line[x+3], work_str.dsc$a_pointer,
                work_str.dsc$w_length);
        the_cmd_line[cmdl_len-1] = '\0';
    }

    /*
    **  Any files to include? ("-i file file")
    */
    status = cli$present(&cli_include);
    if (status & 1) {
        x = cmdl_len;
        cmdl_len += 3;
        CHECK_BUFFER_ALLOCATION(the_cmd_line, cmdl_size, cmdl_len)
        strcpy(&the_cmd_line[x], "-i");

        status = get_list(&cli_exclude, &foreign_cmdline, '\0',
                          &the_cmd_line, &cmdl_size, &cmdl_len);
        if (!(status & 1)) return (status);
    }


    /*
    **  We have finished collecting the strings for the argv vector,
    **  release unused space.
    */
    if ((the_cmd_line = (char *) realloc(the_cmd_line, cmdl_len)) == NULL)
        return (SS$_INSFMEM);

    /*
    **  Now that we've built our new UNIX-like command line, count the
    **  number of args and build an argv array.
    */
    for (new_argc = 0, x = 0; x < cmdl_len; x++)
        if (the_cmd_line[x] == '\0')
            new_argc++;

    /*
    **  Allocate memory for the new argv[].  The last element of argv[]
    **  is supposed to be NULL, so allocate enough for new_argc+1.
    */
    if ((new_argv = (char **) calloc(new_argc+1, sizeof(char *))) == NULL)
        return (SS$_INSFMEM);

    /*
    **  For each option, store the address in new_argv[] and convert the
    **  separating blanks to nulls so each argv[] string is terminated.
    */
    for (ptr = the_cmd_line, x = 0; x < new_argc; x++) {
        new_argv[x] = ptr;
        ptr += strlen(ptr) + 1;
    }
    new_argv[new_argc] = NULL;

#if defined(TEST) || defined(DEBUG)
    printf("new_argc    = %d\n", new_argc);
    for (x = 0; x < new_argc; x++)
        printf("new_argv[%d] = %s\n", x, new_argv[x]);
#endif /* TEST || DEBUG */

    /*
    **  All finished.  Return the new argc and argv[] addresses to Zip.
    */
    *argc_p = new_argc;
    *argv_p = new_argv;

    return (SS$_NORMAL);
}



static unsigned long
get_list (struct dsc$descriptor_s *qual, struct dsc$descriptor_d *rawtail,
          int delim, char **p_str, unsigned long *p_size, unsigned long *p_end)
{
/*
**  Routine:    get_list
**
**  Function:   This routine runs through a comma-separated CLI list
**              and copies the strings to the argv buffer.  The
**              specified separation character is used to separate
**              the strings in the argv buffer.
**
**              All unquoted strings are converted to lower-case.
**
**  Formal parameters:
**
**      qual    - Address of descriptor for the qualifier name
**      rawtail - Address of descriptor for the full command line tail
**      delim   - Character to use to separate the list items
**      p_str   - Address of pointer pointing to output buffer (argv strings)
**      p_size  - Address of number containing allocated size for output string
**      p_end   - Address of number containing used length in output buf
**
*/

    register unsigned long status;
    struct dsc$descriptor_d work_str;

    init_dyndesc(work_str);

    status = cli$present(qual);
    if (status & 1) {

        unsigned long len, old_len;
        long ind, sind;
        int keep_case;
        char *src, *dst; int x;

        /*
        **  Just in case the string doesn't exist yet, though it does.
        */
        if (*p_str == NULL) {
            *p_size = ARGBSIZE_UNIT;
            if ((*p_str = (char *) malloc(*p_size)) == NULL);
                return (SS$_INSFMEM);
            len = 0;
        } else {
            len = *p_end;
        }

        while ((status = cli$get_value(qual, &work_str)) & 1) {
            old_len = len;
            len += work_str.dsc$w_length + 1;
            CHECK_BUFFER_ALLOCATION(*p_str, *p_size, len)

            /*
            **  Look for the filename in the original foreign command
            **  line to see if it was originally quoted.  If so, then
            **  don't convert it to lowercase.
            */
            keep_case = FALSE;
            str$find_first_substring(rawtail, &ind, &sind, &work_str);
            if ((ind > 1 && *(rawtail->dsc$a_pointer + ind - 2) == '"') ||
                (ind == 0))
                keep_case = TRUE;

            /*
            **  Copy the string to the buffer, converting to lowercase.
            */
            src = work_str.dsc$a_pointer;
            dst = *p_str+old_len;
            for (x = 0; x < work_str.dsc$w_length; x++) {
                if (!keep_case && ((*src >= 'A') && (*src <= 'Z')))
                    *dst++ = *src++ + 32;
                else
                    *dst++ = *src++;
            }
            if (status == CLI$_COMMA)
                (*p_str)[len-1] = (char)delim;
            else
                (*p_str)[len-1] = '\0';
        }
        *p_end = len;
    }

    return (SS$_NORMAL);

}


static unsigned long
get_time (struct dsc$descriptor_s *qual, char *timearg)
{
/*
**  Routine:    get_time
**
**  Function:   This routine reads the argument string of the qualifier
**              "qual" that should be a VMS syntax date-time string.  The
**              date-time string is converted into the standard format
**              "mmddyyyy", specifying an absolute date.  The converted
**              string is written into the 9 bytes wide buffer "timearg".
**
**  Formal parameters:
**
**      qual    - Address of descriptor for the qualifier name
**      timearg - Address of a buffer carrying the 8-char time string returned
**
*/

    register unsigned long status;
    struct dsc$descriptor_d time_str;
    struct quadword {
        long high;
        long low;
    } bintimbuf = {0,0};
#ifdef __DECC
#pragma member_alignment save
#pragma nomember_alignment
#endif  /* __DECC */
    struct tim {
        short year;
        short month;
        short day;
        short hour;
        short minute;
        short second;
        short hundred;
    } numtimbuf;
#ifdef __DECC
#pragma member_alignment restore
#endif

    init_dyndesc(time_str);

    status = cli$get_value(qual, &time_str);
    /*
    **  If a date is given, convert it to 64-bit binary.
    */
    if (time_str.dsc$w_length) {
        status = sys$bintim(&time_str, &bintimbuf);
        if (!(status & 1)) return (status);
        str$free1_dx(&time_str);
    }
    /*
    **  Now call $NUMTIM to get the month, day, and year.
    */
    status = sys$numtim(&numtimbuf, (bintimbuf.low ? &bintimbuf : NULL));
    /*
    **  Write the "mmddyyyy" string to the return buffer.
    */
    if (!(status & 1)) {
        *timearg = '\0';
    } else {
        sprintf(timearg, "%02d%02d%04d", numtimbuf.month,
                numtimbuf.day, numtimbuf.year);
    }
    return (status);
}


static unsigned long
check_cli (struct dsc$descriptor_s *qual)
{
/*
**  Routine:    check_cli
**
**  Function:   Check to see if a CLD was used to invoke the program.
**
**  Formal parameters:
**
**      qual    - Address of descriptor for qualifier name to check.
**
*/
    lib$establish(lib$sig_to_ret);      /* Establish condition handler */
    return (cli$present(qual));         /* Just see if something was given */
}


#ifndef TEST

void VMSCLI_help(void)  /* VMSCLI version */
/* Print help (along with license info) to stdout. */
{
  extent i;             /* counter for help array */

  /* help array */
  static char *text[] = {
"Zip %s (%s). Usage: zip==\"$disk:[dir]zip.exe\"",
"zip zipfile[.zip] [list] [/EXCL=(xlist)] /options /modifiers",
"  The default action is to add or replace zipfile entries from list, except",
"  those in xlist. The include file list may contain the special name - to",
"  compress standard input.  If both zipfile and list are omitted, zip",
"  compresses stdin to stdout.",
"  Type zip -h for Unix style flags.",
"  Major options include:",
"    /FRESHEN, /UPDATE, /DELETE, /[NO]MOVE, /COMMENTS[={ZIP_FILE|FILES}],",
"    /LATEST, /TEST, /ADJUST_OFFSETS, /FIX_ARCHIVE[=FULL], /UNSFX",
"  Modifiers include:",
"    /EXCLUDE=(file list), /INCLUDE=(file list), /SINCE=\"creation time\",",
#if CRYPT
"\
    /QUIET,/VERBOSE[=MORE],/[NO]RECURSE,/[NO]DIRNAMES,/JUNK,/ENCRYPT[=\"pwd\"],\
",
#else /* !CRYPT */
"    /QUIET, /VERBOSE[=MORE], /[NO]RECURSE, /[NO]DIRNAMES, /JUNK,",
#endif /* ?CRYPT */
"    /[NO]KEEP_VERSION, /[NO]VMS, /[NO]PKZIP, /TRANSLATE_EOL[={LF|CRLF}],",
"    /[NO]EXTRA_FIELDS /LEVEL=[0-9], /TEMP_PATH=directory, /BATCH[=list file]"
  };

  if (!show_VMSCLI_help) {
     help();
     return;
  }

  for (i = 0; i < sizeof(copyright)/sizeof(char *); i++)
  {
    printf(copyright[i], "zip");
    putchar('\n');
  }
  for (i = 0; i < sizeof(text)/sizeof(char *); i++)
  {
    printf(text[i], VERSION, REVDATE);
    putchar('\n');
  }
} /* end function VMSCLI_help() */

#endif /* !TEST */