Imported Upstream version 3.0.0

[glabels] / barcode-0.98 / plessey.c

diff --git a/barcode-0.98/plessey.c b/barcode-0.98/plessey.c
deleted file mode 100644 (file)
index ec47100..0000000
--- a/barcode-0.98/plessey.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * plessey.c -- encoding for Plessey
- *
- * Copyright (c) 2000 Leonid A. Broukhis (leob@mailcom.com)
- *
- *   This program is free software; you can redistribute it and/or modify
- *   it under the terms of the GNU General Public License as published by
- *   the Free Software Foundation; either version 2 of the License, or
- *   (at your option) any later version.
- *
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU General Public License for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program; if not, write to the Free Software
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <errno.h>
-
-#include "barcode.h"
-
-static char * patterns[] = { "13", "31" };
-
-/* this is ordered in decades to simplify encoding */
-static char alphabet[] = 
-   "0123456789" "ABCDEF";
-
-/* stop sequence may be 231311313 (barcodemill.com) */
-static char *fillers[] = { "031311331", "331311313" };
-
-static int width = 16, startpos = 16;
-
-/*
- * Check that the text can be encoded. Returns 0 or -1.
- * If it's all lowecase convert to uppercase and accept it
- */
-int Barcode_pls_verify(unsigned char *text)
-{
-    int i, upper = 0, lower = 0;
-
-    if (!strlen(text))
-       return -1;
-    for (i=0; text[i]; i++) {
-        if (!strchr(alphabet,toupper(text[i])))
-            return -1;
-       if (isupper(text[i])) upper++;
-       if (islower(text[i])) lower++;
-    }
-    if (upper && lower)
-       return -1;
-    return 0;
-}
-
-static int add_one(char *ptr, int code)
-{
-    sprintf(ptr, "%s%s%s%s", 
-       patterns[code & 1],
-       patterns[(code >> 1) & 1],
-       patterns[(code >> 2) & 1],
-       patterns[(code >> 3) & 1]
-    );
-    return 0;
-}
-
-/*
- * The encoding functions fills the "partial" and "textinfo" fields.
- * Lowercase chars are converted to uppercase
- */
-int Barcode_pls_encode(struct Barcode_Item *bc)
-{
-    static char *text;
-    static char *partial;  /* dynamic */
-    static char *textinfo; /* dynamic */
-    char *c, *ptr, *textptr;
-    unsigned char *checkptr;
-    int i, code, textpos;
-    static char check[9] = {1,1,1,1,0,1,0,0,1};
-    if (bc->partial)
-       free(bc->partial);
-    if (bc->textinfo)
-       free(bc->textinfo);
-    bc->partial = bc->textinfo = NULL; /* safe */
-
-    if (!bc->encoding)
-       bc->encoding = strdup("plessey");
-
-    text = bc->ascii;
-    if (!text) {
-        bc->error = EINVAL;
-        return -1;
-    }
-    /* the partial code is 8 * (head + text + check + tail) + margin + term. */
-    partial = malloc( (strlen(text) + 4) * 8 + 3);
-    checkptr = calloc (1, strlen(text) * 4 + 8);
-
-    if (!partial || !checkptr) {
-       if (partial) free(partial);
-       if (checkptr) free(checkptr);
-        bc->error = errno;
-        return -1;
-    }
-
-    /* the text information is at most "nnn:fff:c " * strlen +term */
-    textinfo = malloc(10*strlen(text) + 2);
-    if (!textinfo) {
-        bc->error = errno;
-        free(partial);
-        return -1;
-    }
-
-    strcpy(partial, fillers[0]);
-    ptr = partial + strlen(partial);
-    textptr = textinfo;
-    textpos = startpos;
-    
-    for (i=0; i<strlen(text); i++) {
-        c = strchr(alphabet, toupper(text[i]));
-        if (!c) {
-            bc->error = EINVAL; /* impossible if text is verified */
-            free(partial);
-            free(textinfo);
-            return -1;
-        }
-        code = c - alphabet;
-        add_one(ptr, code);
-        sprintf(textptr, "%i:12:%c ", textpos, toupper(text[i]));
-        
-        textpos += width; /* width of each code */
-        textptr += strlen(textptr);
-        ptr += strlen(ptr); 
-       checkptr[4*i] = code & 1;
-       checkptr[4*i+1] = (code >> 1) & 1;
-       checkptr[4*i+2] = (code >> 2) & 1;
-       checkptr[4*i+3] = (code >> 3) & 1;
-    }
-    /* The CRC checksum is required */
-    for (i=0; i < 4*strlen(text); i++) {
-        int j;
-        if (checkptr[i])
-                for (j = 0; j < 9; j++)
-                        checkptr[i+j] ^= check[j];
-    }
-    for (i = 0; i < 8; i++) {
-        sprintf(ptr, patterns[checkptr[strlen(text) * 4 + i]]);
-       ptr += 2;
-    }
-    fprintf(stderr, "CRC: ");
-    for (i = 0; i < 8; i++) {
-        fputc('0' + checkptr[strlen(text) * 4 + i], stderr);
-    }
-    fputc('\n', stderr);
-    strcpy(ptr, fillers[1]);
-    bc->partial = partial;
-    bc->textinfo = textinfo;
-
-    return 0;
-}