static gchar *
create_serial_barcode (const gchar *serial)
{
gchar *savefile;
const gchar *cache_dir;
struct zint_symbol *barcode;
cache_dir = g_get_user_cache_dir ();
/* Create the directory if it's missing */
g_mkdir_with_parents (cache_dir, 0755);
savefile = g_build_filename (cache_dir, "product_serial.png", NULL);
barcode = ZBarcode_Create();
strncpy ((char *) barcode->outfile, savefile, 4096);
if (ZBarcode_Encode_and_Print (barcode, (guchar *) serial, 0, 0)) {
g_warning ("Error while generating barcode: %s", barcode->errtxt);
}
ZBarcode_Delete (barcode);
return savefile;
}
int batch_process(struct zint_symbol *symbol, char *filename)
{
FILE *file;
unsigned char buffer[7100];
unsigned char character;
int posn = 0, error_number = 0, line_count = 1;
char output_file[127];
char number[12], reverse_number[12];
int inpos, local_line_count;
char format_string[127], reversed_string[127], format_char;
int format_len, i;
char adjusted[2];
memset(buffer, 0, sizeof(unsigned char) * 7100);
if(symbol->outfile[0] == '\0') {
strcpy(format_string, "~~~~~.png");
} else {
if(strlen(format_string) < 127) {
strcpy(format_string, symbol->outfile);
} else {
strcpy(symbol->errtxt, "Format string too long");
return ZERROR_INVALID_DATA;
}
}
memset(adjusted, 0, sizeof(char) * 2);
if(!strcmp(filename, "-")) {
file = stdin;
} else {
file = fopen(filename, "rb");
if (!file) {
strcpy(symbol->errtxt, "Unable to read input file");
return ZERROR_INVALID_DATA;
}
}
do {
character = fgetc(file);
if(character == '\n') {
if(buffer[posn - 1] == '\r') {
/* CR+LF - assume Windows formatting and remove CR */
posn--;
buffer[posn] = '\0';
}
inpos = 0;
local_line_count = line_count;
memset(number, 0, sizeof(char) * 12);
memset(reverse_number, 0, sizeof(char) * 12);
memset(reversed_string, 0, sizeof(char) * 127);
memset(output_file, 0, sizeof(char) * 127);
do {
number[inpos] = itoc(local_line_count % 10);
local_line_count /= 10;
inpos++;
} while (local_line_count > 0);
number[inpos] = '\0';
for(i = 0; i < inpos; i++) {
reverse_number[i] = number[inpos - i - 1];
}
format_len = strlen(format_string);
for(i = format_len; i > 0; i--) {
format_char = format_string[i - 1];
switch(format_char) {
case '#':
if (inpos > 0) {
adjusted[0] = reverse_number[inpos - 1];
inpos--;
} else {
adjusted[0] = ' ';
}
break;
case '~':
if (inpos > 0) {
adjusted[0] = reverse_number[inpos - 1];
inpos--;
} else {
adjusted[0] = '0';
}
break;
case '@':
if (inpos > 0) {
adjusted[0] = reverse_number[inpos - 1];
inpos--;
} else {
adjusted[0] = '*';
}
break;
default:
adjusted[0] = format_string[i - 1];
break;
}
concat(reversed_string, adjusted);
}
for(i = 0; i < format_len; i++) {
output_file[i] = reversed_string[format_len - i - 1];
}
strcpy(symbol->outfile, output_file);
error_number = ZBarcode_Encode_and_Print(symbol, buffer, posn, 0);
if(error_number != 0) {
fprintf(stderr, "On line %d: %s\n", line_count, symbol->errtxt);
}
ZBarcode_Clear(symbol);
memset(buffer, 0, sizeof(unsigned char) * 7100);
posn = 0;
line_count++;
} else {
buffer[posn] = character;
posn++;
}
if(posn > 7090) {
fprintf(stderr, "On line %d: Input data too long\n", line_count);
do {
character = fgetc(file);
} while((!feof(file)) && (character != '\n'));
}
} while ((!feof(file)) && (line_count < 2000000000));
if(character != '\n') {
fprintf(stderr, "Warning: No newline at end of file\n");
}
fclose(file);
return error_number;
}
