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Consistently throw an error if data does not fit in specified size symbol

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See ticket #57
This commit is contained in:
Robin Stuart 2017-04-11 09:26:39 +01:00
parent ff6995070b
commit 5acbffff0d
5 changed files with 23 additions and 4 deletions
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6
backend/code1.c
View File

@ -1425,6 +1425,7 @@ int code_one(struct zint_symbol *symbol, unsigned char source[], int length) {
data_length = c1_encode(symbol, source, data, length);
if (data_length == 0) {
strcpy(symbol->errtxt, "Input data is too long");
return ZINT_ERROR_TOO_LONG;
}
@ -1438,6 +1439,11 @@ int code_one(struct zint_symbol *symbol, unsigned char source[], int length) {
size = symbol->option_2;
}
if ((symbol-> option_2 != 0) && (symbol->option_2 < size)) {
strcpy(symbol->errtxt, "Input too long for selected symbol size");
return ZINT_ERROR_TOO_LONG;
}
for (i = data_length; i < c1_data_length[size - 1]; i++) {
data[i] = 129; /* Pad */
}

5
backend/dmatrix.c
View File

@ -1183,9 +1183,8 @@ int data_matrix_200(struct zint_symbol *symbol, const unsigned char source[], co
if (calcsize > optionsize) {
symbolsize = calcsize;
if (optionsize != -1) {
/* flag an error */
error_number = ZINT_WARN_INVALID_OPTION;
strcpy(symbol->errtxt, "Data does not fit in selected symbol size (E12)");
strcpy(symbol->errtxt, "Input too long for selected symbol size");
return ZINT_ERROR_TOO_LONG;
}
}

3
backend/gridmtx.c
View File

@ -1141,7 +1141,8 @@ int grid_matrix(struct zint_symbol *symbol, const unsigned char source[], int le
if (symbol->option_2 > min_layers) {
layers = symbol->option_2;
} else {
layers = min_layers;
strcpy(symbol->errtxt, "Input data too long for selected symbol size");
return ZINT_ERROR_TOO_LONG;
}
}

5
backend/hanxin.c
View File

@ -1449,6 +1449,11 @@ int han_xin(struct zint_symbol *symbol, const unsigned char source[], int length
version = symbol->option_2;
}
if ((symbol->option_2 != 0) && (symbol->option_2 < version)) {
strcpy(symbol->errtxt, "Input too long for selected symbol size");
return ZINT_ERROR_TOO_LONG;
}
/* If there is spare capacity, increase the level of ECC */
if ((ecc_level == 1) && (codewords < hx_data_codewords_L2[version - 1])) {

8
backend/qr.c
View File

@ -1632,6 +1632,11 @@ int qr_code(struct zint_symbol *symbol, const unsigned char source[], int length
version = symbol->option_2;
est_binlen = getBinaryLength(symbol->option_2, mode, jisdata, length, gs1, symbol->eci);
}
if (symbol->option_2 < version) {
strcpy(symbol->errtxt, "Input too long for selected symbol size");
return ZINT_ERROR_TOO_LONG;
}
}
/* Ensure maxium error correction capacity */
@ -2791,6 +2796,9 @@ int microqr(struct zint_symbol *symbol, const unsigned char source[], int length
if ((symbol->option_2 >= 1) && (symbol->option_2 <= 4)) {
if (symbol->option_2 >= autoversion) {
version = symbol->option_2;
} else {
strcpy(symbol->errtxt, "Input too long for selected symbol size");
return ZINT_ERROR_TOO_LONG;
}
}