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A couple of small bugfixes were found by the PIRAmIDE project.

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This commit is contained in:
hooper114 2010-04-04 22:06:21 +00:00
parent 4782ebb76d
commit 1e4051d414
2 changed files with 39 additions and 11 deletions
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8
backend/gs1.c
View File

@ -157,6 +157,14 @@ int gs1_verify(struct zint_symbol *symbol, unsigned char source[], const unsigne
data_length[i]--;
}
for(i = 0; i < ai_count; i++) {
if(data_length[i] == 0) {
/* No data for given AI */
strcpy(symbol->errtxt, "Empty data field in input data");
return ERROR_INVALID_DATA;
}
}
error_latch = 0;
strcpy(ai_string, "");
for(i = 0; i < ai_count; i++) {

40
backend/rss.c
View File

@ -1069,7 +1069,7 @@ int general_rules(char field[], char type[])
int rss_binary_string(struct zint_symbol *symbol, char source[], char binary_string[])
{ /* Handles all data encodation from section 7.2.5 of ISO/IEC 24724 */
int encoding_method, i, mask, j, read_posn, latch;
int encoding_method, i, mask, j, read_posn, latch, debug = 0, last_mode = ISOIEC;
#ifndef _MSC_VER
char general_field[strlen(source)], general_field_type[strlen(source)];
#else
@ -1088,13 +1088,16 @@ int rss_binary_string(struct zint_symbol *symbol, char source[], char binary_str
if((strlen(source) >= 16) && ((source[0] == '0') && (source[1] == '1'))) {
/* (01) and other AIs */
encoding_method = 1;
if(debug) printf("Choosing Method 1\n");
} else {
/* any AIs */
encoding_method = 2;
if(debug) printf("Choosing Mehod 2\n");
}
if(((strlen(source) >= 20) && (encoding_method == 1)) && ((source[2] == '9') && (source[16] == '3'))) {
/* Possibly encoding method > 2 */
if(debug) printf("Checking for other methods\n");
if((strlen(source) >= 26) && (source[17] == '1')) {
/* Methods 3, 7, 9, 11 and 13 */
@ -1144,6 +1147,7 @@ int rss_binary_string(struct zint_symbol *symbol, char source[], char binary_str
}
}
}
if(debug) printf("Now using method %d\n", encoding_method);
}
if((strlen(source) >= 26) && (source[17] == '2')) {
@ -1203,6 +1207,7 @@ int rss_binary_string(struct zint_symbol *symbol, char source[], char binary_str
}
}
}
if(debug) printf("Now using method %d\n", encoding_method);
}
@ -1216,6 +1221,7 @@ int rss_binary_string(struct zint_symbol *symbol, char source[], char binary_str
/* (01) and (393x) */
encoding_method = 6;
}
if(debug) printf("Now using method %d\n", encoding_method);
}
}
@ -1235,6 +1241,7 @@ int rss_binary_string(struct zint_symbol *symbol, char source[], char binary_str
case 13: concat(binary_string, "0111110"); read_posn = strlen(source); break;
case 14: concat(binary_string, "0111111"); read_posn = strlen(source); break;
}
if(debug) printf("Setting binary = %s\n", binary_string);
/* Variable length symbol bit field is just given a place holder (XX)
for the time being */
@ -1253,6 +1260,7 @@ int rss_binary_string(struct zint_symbol *symbol, char source[], char binary_str
/* Now encode the compressed data field */
if(debug) printf("Proceeding to encode data\n");
if(encoding_method == 1) {
/* Encoding method field "1" - general item identification data */
char group[4];
@ -1552,6 +1560,7 @@ int rss_binary_string(struct zint_symbol *symbol, char source[], char binary_str
j++;
}
general_field[j] = '\0';
if(debug) printf("General field data = %s\n", general_field);
latch = 0;
for(i = 0; i < strlen(general_field); i++) {
@ -1613,6 +1622,7 @@ int rss_binary_string(struct zint_symbol *symbol, char source[], char binary_str
}
general_field_type[strlen(general_field)] = '\0';
if(debug) printf("General field type: %s\n", general_field_type);
if(latch == 1) {
/* Invalid characters in input data */
@ -1636,9 +1646,10 @@ int rss_binary_string(struct zint_symbol *symbol, char source[], char binary_str
i = 0;
do {
if(debug) printf("Processing character %d ", i);
switch(general_field_type[i]) {
case NUMERIC:
if(debug) printf("as NUMERIC\n");
if(i != 0) {
if((general_field_type[i - 1] != NUMERIC) && (general_field[i - 1] != '[')) {
concat(binary_string, "000"); /* Numeric latch */
@ -1670,10 +1681,11 @@ int rss_binary_string(struct zint_symbol *symbol, char source[], char binary_str
}
i += 2;
last_mode = NUMERIC;
break;
case ALPHA:
if(debug) printf("as ALPHA\n");
if(i != 0) {
if((general_field_type[i - 1] == NUMERIC) || (general_field[i - 1] == '[')) {
concat(binary_string, "0000"); /* Alphanumeric latch */
@ -1721,10 +1733,11 @@ int rss_binary_string(struct zint_symbol *symbol, char source[], char binary_str
if(general_field[i] == '/') concat(binary_string, "111110"); /* slash or solidus */
i++;
last_mode = ALPHA;
break;
case ISOIEC:
if(debug) printf("as ISOIEC\n");
if(i != 0) {
if((general_field_type[i - 1] == NUMERIC) || (general_field[i - 1] == '[')) {
concat(binary_string, "0000"); /* Alphanumeric latch */
@ -1804,20 +1817,23 @@ int rss_binary_string(struct zint_symbol *symbol, char source[], char binary_str
if(general_field[i] == ' ') concat(binary_string, "11111100"); /* space */
i++;
last_mode = ISOIEC;
break;
}
} while (i + latch < strlen(general_field));
if(debug) printf("Resultant binary = %s\n", binary_string);
if(debug) printf("\tLength: %d\n", strlen(binary_string));
remainder = strlen(binary_string) % 12;
if(strlen(binary_string) < 36) { remainder = 36 - strlen(binary_string); }
if(latch == 1) {
i = 0;
/* There is still one more numeric digit to encode */
if(debug) printf("Adding extra (odd) numeric digit\n");
if((remainder >= 4) && (remainder <= 6)) {
d1 = ctoi(general_field[i]);
d1++;
value = ctoi(general_field[i]);
value++;
mask = 0x08;
for(j = 0; j < 4; j++) {
@ -1846,6 +1862,9 @@ int rss_binary_string(struct zint_symbol *symbol, char source[], char binary_str
}
remainder = strlen(binary_string) % 12;
if(strlen(binary_string) < 36) { remainder = 36 - strlen(binary_string); }
last_mode = NUMERIC;
if(debug) printf("Resultant binary = %s\n", binary_string);
if(debug) printf("\tLength: %d\n", strlen(binary_string));
}
if(strlen(binary_string) > 252) {
@ -1855,7 +1874,7 @@ int rss_binary_string(struct zint_symbol *symbol, char source[], char binary_str
/* Now add padding to binary string */
if(strlen(general_field) != 0) {
if (general_field_type[strlen(general_field) - 1] == NUMERIC) {
if (last_mode == NUMERIC) {
strcpy(padstring, "000000100001");
} else {
strcpy(padstring, "001000010000");
@ -1863,7 +1882,7 @@ int rss_binary_string(struct zint_symbol *symbol, char source[], char binary_str
} else {
strcpy(padstring, "001000010000");
}
padstring[remainder] = '\0';
padstring[12 - remainder] = '\0';
concat(binary_string, padstring);
/* Patch variable length symbol bit field */
@ -1882,7 +1901,8 @@ int rss_binary_string(struct zint_symbol *symbol, char source[], char binary_str
if(d1 == 0) { binary_string[6] = '0'; } else { binary_string[6] = '1'; }
if(d2 == 0) { binary_string[7] = '0'; } else { binary_string[7] = '1'; }
}
if(debug) printf("Resultant binary = %s\n", binary_string);
if(debug) printf("\tLength: %d\n", strlen(binary_string));
return 0;
}