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Added support for 'X' in Telepen Numeric and changed errno for error_number

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hooper114 2008-09-19 09:16:19 +00:00
parent eaf7cf1d3e
commit b79399a5cc
1 changed files with 38 additions and 24 deletions
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60
backend/telepen.c
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@ -19,6 +19,8 @@
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/ */
#define NASET "0123456789X"
#include <string.h> #include <string.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@ -51,10 +53,10 @@ int telepen(struct zint_symbol *symbol, unsigned char source[])
{ {
unsigned int i, count, check_digit; unsigned int i, count, check_digit;
int ascii_value; int ascii_value;
int errno; int error_number;
char dest[1000]; char dest[1000];
errno = 0; error_number = 0;
strcpy(dest, ""); strcpy(dest, "");
count = 0; count = 0;
@ -90,56 +92,68 @@ int telepen(struct zint_symbol *symbol, unsigned char source[])
expand(symbol, dest); expand(symbol, dest);
strcpy(symbol->text, source); strcpy(symbol->text, source);
return errno; return error_number;
} }
int telepen_num(struct zint_symbol *symbol, unsigned char source[]) int telepen_num(struct zint_symbol *symbol, unsigned char source[])
{ {
unsigned int i, count, check_digit, glyph; unsigned int i, count, check_digit, glyph;
int errno; int error_number, input_length;
char dest[1000]; char dest[1000];
char local_source[100];
errno = 0; error_number = 0;
strcpy(dest, ""); strcpy(dest, "");
strcpy(local_source, source);
input_length = strlen(source);
count = 0; count = 0;
if(strlen(source) > 60) { if(input_length > 60) {
strcpy(symbol->errtxt, "error: input too long"); strcpy(symbol->errtxt, "error: input too long");
return ERROR_TOO_LONG; return ERROR_TOO_LONG;
} }
errno = is_sane(NESET, source); to_upper(local_source);
if(errno == ERROR_INVALID_DATA) { error_number = is_sane(NASET, local_source);
if(error_number == ERROR_INVALID_DATA) {
strcpy(symbol->errtxt, "error: invalid characters in data"); strcpy(symbol->errtxt, "error: invalid characters in data");
return errno; return error_number;
} }
/* Add a leading zero if required */ /* Add a leading zero if required */
if ((strlen(source)%2) != 0) if ((input_length % 2) != 0)
{ {
unsigned int length;
char temp[200]; char temp[200];
length = strlen(source); strcpy(temp, local_source);
local_source[0] = '0';
strcpy(temp, source); for(i = 0; i <= input_length; i++)
source[0] = '0';
for(i = 0; i <= length; i++)
{ {
source[i + 1] = temp[i]; local_source[i + 1] = temp[i];
} }
input_length++;
} }
/* Start character */ /* Start character */
concat(dest, TeleTable['_']); concat(dest, TeleTable['_']);
for (i=0; i < strlen(source); i+=2) for (i=0; i < input_length; i+=2)
{ {
glyph = (10 * ctoi(source[i])) + ctoi(source[i + 1]); if(local_source[i] == 'X') {
glyph += 27; strcpy(symbol->errtxt, "Invalid position of X in Telepen data");
concat(dest, TeleTable[glyph]); return ERROR_INVALID_DATA;
}
if(local_source[i + 1] == 'X') {
glyph = ctoi(local_source[i]) + 17;
count += glyph; count += glyph;
} else {
glyph = (10 * ctoi(local_source[i])) + ctoi(local_source[i + 1]);
glyph += 27;
count += glyph;
}
concat(dest, TeleTable[glyph]);
} }
check_digit = 127 - (count % 127); check_digit = 127 - (count % 127);
@ -149,7 +163,7 @@ int telepen_num(struct zint_symbol *symbol, unsigned char source[])
concat(dest, TeleTable['z']); concat(dest, TeleTable['z']);
expand(symbol, dest); expand(symbol, dest);
strcpy(symbol->text, source); strcpy(symbol->text, local_source);
return errno; return error_number;
} }