summaryrefslogtreecommitdiff
path: root/genqrcode/qrencode.c
diff options
context:
space:
mode:
Diffstat (limited to 'genqrcode/qrencode.c')
-rw-r--r--genqrcode/qrencode.c921
1 files changed, 921 insertions, 0 deletions
diff --git a/genqrcode/qrencode.c b/genqrcode/qrencode.c
new file mode 100644
index 0000000000..948d1626ce
--- /dev/null
+++ b/genqrcode/qrencode.c
@@ -0,0 +1,921 @@
+/*
+ * qrencode - QR Code encoder
+ *
+ * Copyright (C) 2006-2018, 2020 Kentaro Fukuchi <kentaro@fukuchi.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#if HAVE_CONFIG_H
+# include "config.h"
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include "qrencode.h"
+#include "qrspec.h"
+#include "mqrspec.h"
+#include "bitstream.h"
+#include "qrinput.h"
+#include "rsecc.h"
+#include "split.h"
+#include "mask.h"
+#include "mmask.h"
+
+/******************************************************************************
+ * Raw code
+ *****************************************************************************/
+
+typedef struct {
+ int dataLength;
+ int eccLength;
+ unsigned char *data;
+ unsigned char *ecc;
+} RSblock;
+
+typedef struct {
+ int version;
+ int dataLength;
+ int eccLength;
+ unsigned char *datacode;
+ unsigned char *ecccode;
+ int b1;
+ int blocks;
+ RSblock *rsblock;
+ int count;
+} QRRawCode;
+
+static void RSblock_initBlock(RSblock *block, int dl, unsigned char *data, int el, unsigned char *ecc)
+{
+ block->dataLength = dl;
+ block->data = data;
+ block->eccLength = el;
+ block->ecc = ecc;
+
+ RSECC_encode((size_t)dl, (size_t)el, data, ecc);
+}
+
+static int RSblock_init(RSblock *blocks, int spec[5], unsigned char *data, unsigned char *ecc)
+{
+ int i;
+ RSblock *block;
+ unsigned char *dp, *ep;
+ int el, dl;
+
+ dl = QRspec_rsDataCodes1(spec);
+ el = QRspec_rsEccCodes1(spec);
+
+ block = blocks;
+ dp = data;
+ ep = ecc;
+ for(i = 0; i < QRspec_rsBlockNum1(spec); i++) {
+ RSblock_initBlock(block, dl, dp, el, ep);
+ dp += dl;
+ ep += el;
+ block++;
+ }
+
+ if(QRspec_rsBlockNum2(spec) == 0) return 0;
+
+ dl = QRspec_rsDataCodes2(spec);
+ el = QRspec_rsEccCodes2(spec);
+ for(i = 0; i < QRspec_rsBlockNum2(spec); i++) {
+ RSblock_initBlock(block, dl, dp, el, ep);
+ dp += dl;
+ ep += el;
+ block++;
+ }
+
+ return 0;
+}
+
+STATIC_IN_RELEASE void QRraw_free(QRRawCode *raw);
+STATIC_IN_RELEASE QRRawCode *QRraw_new(QRinput *input)
+{
+ QRRawCode *raw;
+ int spec[5], ret;
+
+ raw = (QRRawCode *)malloc(sizeof(QRRawCode));
+ if(raw == NULL) return NULL;
+
+ raw->datacode = QRinput_getByteStream(input);
+ if(raw->datacode == NULL) {
+ free(raw);
+ return NULL;
+ }
+
+ QRspec_getEccSpec(input->version, input->level, spec);
+
+ raw->version = input->version;
+ raw->b1 = QRspec_rsBlockNum1(spec);
+ raw->dataLength = QRspec_rsDataLength(spec);
+ raw->eccLength = QRspec_rsEccLength(spec);
+ raw->ecccode = (unsigned char *)malloc((size_t)raw->eccLength);
+ if(raw->ecccode == NULL) {
+ free(raw->datacode);
+ free(raw);
+ return NULL;
+ }
+
+ raw->blocks = QRspec_rsBlockNum(spec);
+ raw->rsblock = (RSblock *)calloc((size_t)(raw->blocks), sizeof(RSblock));
+ if(raw->rsblock == NULL) {
+ QRraw_free(raw);
+ return NULL;
+ }
+ ret = RSblock_init(raw->rsblock, spec, raw->datacode, raw->ecccode);
+ if(ret < 0) {
+ QRraw_free(raw);
+ return NULL;
+ }
+
+ raw->count = 0;
+
+ return raw;
+}
+
+/**
+ * Return a code (byte).
+ * This function can be called iteratively.
+ * @param raw raw code.
+ * @return code
+ */
+STATIC_IN_RELEASE unsigned char QRraw_getCode(QRRawCode *raw)
+{
+ int col, row;
+ unsigned char ret;
+
+ if(raw->count < raw->dataLength) {
+ row = raw->count % raw->blocks;
+ col = raw->count / raw->blocks;
+ if(col >= raw->rsblock[0].dataLength) {
+ row += raw->b1;
+ }
+ ret = raw->rsblock[row].data[col];
+ } else if(raw->count < raw->dataLength + raw->eccLength) {
+ row = (raw->count - raw->dataLength) % raw->blocks;
+ col = (raw->count - raw->dataLength) / raw->blocks;
+ ret = raw->rsblock[row].ecc[col];
+ } else {
+ return 0;
+ }
+ raw->count++;
+ return ret;
+}
+
+STATIC_IN_RELEASE void QRraw_free(QRRawCode *raw)
+{
+ if(raw != NULL) {
+ free(raw->datacode);
+ free(raw->ecccode);
+ free(raw->rsblock);
+ free(raw);
+ }
+}
+
+/******************************************************************************
+ * Raw code for Micro QR Code
+ *****************************************************************************/
+
+typedef struct {
+ int version;
+ int dataLength;
+ int eccLength;
+ unsigned char *datacode;
+ unsigned char *ecccode;
+ RSblock *rsblock;
+ int oddbits;
+ int count;
+} MQRRawCode;
+
+STATIC_IN_RELEASE void MQRraw_free(MQRRawCode *raw);
+STATIC_IN_RELEASE MQRRawCode *MQRraw_new(QRinput *input)
+{
+ MQRRawCode *raw;
+
+ raw = (MQRRawCode *)malloc(sizeof(MQRRawCode));
+ if(raw == NULL) return NULL;
+
+ raw->version = input->version;
+ raw->dataLength = MQRspec_getDataLength(input->version, input->level);
+ raw->eccLength = MQRspec_getECCLength(input->version, input->level);
+ raw->oddbits = raw->dataLength * 8 - MQRspec_getDataLengthBit(input->version, input->level);
+ raw->datacode = QRinput_getByteStream(input);
+ if(raw->datacode == NULL) {
+ free(raw);
+ return NULL;
+ }
+ raw->ecccode = (unsigned char *)malloc((size_t)raw->eccLength);
+ if(raw->ecccode == NULL) {
+ free(raw->datacode);
+ free(raw);
+ return NULL;
+ }
+
+ raw->rsblock = (RSblock *)calloc(1, sizeof(RSblock));
+ if(raw->rsblock == NULL) {
+ MQRraw_free(raw);
+ return NULL;
+ }
+
+ RSblock_initBlock(raw->rsblock, raw->dataLength, raw->datacode, raw->eccLength, raw->ecccode);
+
+ raw->count = 0;
+
+ return raw;
+}
+
+/**
+ * Return a code (byte).
+ * This function can be called iteratively.
+ * @param raw raw code.
+ * @return code
+ */
+STATIC_IN_RELEASE unsigned char MQRraw_getCode(MQRRawCode *raw)
+{
+ unsigned char ret;
+
+ if(raw->count < raw->dataLength) {
+ ret = raw->datacode[raw->count];
+ } else if(raw->count < raw->dataLength + raw->eccLength) {
+ ret = raw->ecccode[raw->count - raw->dataLength];
+ } else {
+ return 0;
+ }
+ raw->count++;
+ return ret;
+}
+
+STATIC_IN_RELEASE void MQRraw_free(MQRRawCode *raw)
+{
+ if(raw != NULL) {
+ free(raw->datacode);
+ free(raw->ecccode);
+ free(raw->rsblock);
+ free(raw);
+ }
+}
+
+
+/******************************************************************************
+ * Frame filling
+ *****************************************************************************/
+
+typedef struct {
+ int width;
+ unsigned char *frame;
+ int x, y;
+ int dir;
+ int bit;
+ int mqr;
+} FrameFiller;
+
+static void FrameFiller_set(FrameFiller *filler, int width, unsigned char *frame, int mqr)
+{
+ filler->width = width;
+ filler->frame = frame;
+ filler->x = width - 1;
+ filler->y = width - 1;
+ filler->dir = -1;
+ filler->bit = -1;
+ filler->mqr = mqr;
+}
+
+static unsigned char *FrameFiller_next(FrameFiller *filler)
+{
+ int x, y, w;
+
+ x = filler->x;
+ y = filler->y;
+ w = filler->width;
+ for(;;) {
+ if(filler->bit == -1) {
+ filler->bit = 0;
+ break;
+ }
+
+ if(filler->bit == 0) {
+ x--;
+ filler->bit++;
+ } else {
+ x++;
+ y += filler->dir;
+ filler->bit--;
+ }
+
+ if(filler->dir < 0) {
+ if(y < 0) {
+ y = 0;
+ x -= 2;
+ filler->dir = 1;
+ if(!filler->mqr && x == 6) {
+ x--;
+ y = 9;
+ }
+ }
+ } else if(y == w) {
+ y = w - 1;
+ x -= 2;
+ filler->dir = -1;
+ if(!filler->mqr && x == 6) {
+ x--;
+ y -= 8;
+ }
+ }
+ if(x < 0 || y < 0) return NULL;
+
+ if(!(filler->frame[y * w + x] & 0x80)) {
+ break;
+ }
+ }
+ filler->x = x;
+ filler->y = y;
+ return &filler->frame[filler->y * w + filler->x];
+}
+
+#ifdef WITH_TESTS
+unsigned char *FrameFiller_test(int version)
+{
+ int width;
+ unsigned char *frame, *p;
+ int i, length;
+ FrameFiller filler;
+
+ width = QRspec_getWidth(version);
+ frame = QRspec_newFrame(version);
+ if(frame == NULL) return NULL;
+ FrameFiller_set(&filler, width, frame, 0);
+ length = QRspec_getDataLength(version, QR_ECLEVEL_L) * 8
+ + QRspec_getECCLength(version, QR_ECLEVEL_L) * 8
+ + QRspec_getRemainder(version);
+ for(i = 0; i < length; i++) {
+ p = FrameFiller_next(&filler);
+ if(p == NULL) {
+ free(frame);
+ return NULL;
+ }
+ *p = (unsigned char)(i & 0x7f) | 0x80;
+ }
+ return frame;
+}
+
+unsigned char *FrameFiller_testMQR(int version)
+{
+ int width;
+ unsigned char *frame, *p;
+ int i, length;
+ FrameFiller filler;
+
+ width = MQRspec_getWidth(version);
+ frame = MQRspec_newFrame(version);
+ if(frame == NULL) return NULL;
+ FrameFiller_set(&filler, width, frame, 1);
+ length = MQRspec_getDataLengthBit(version, QR_ECLEVEL_L)
+ + MQRspec_getECCLength(version, QR_ECLEVEL_L) * 8;
+ for(i = 0; i < length; i++) {
+ p = FrameFiller_next(&filler);
+ if(p == NULL) {
+ fprintf(stderr, "Frame filler run over the frame!\n");
+ return frame;
+ }
+ *p = (unsigned char)(i & 0x7f) | 0x80;
+ }
+ return frame;
+}
+#endif
+
+
+/******************************************************************************
+ * QR-code encoding
+ *****************************************************************************/
+
+STATIC_IN_RELEASE QRcode *QRcode_new(int version, int width, unsigned char *data)
+{
+ QRcode *qrcode;
+
+ qrcode = (QRcode *)malloc(sizeof(QRcode));
+ if(qrcode == NULL) return NULL;
+
+ qrcode->version = version;
+ qrcode->width = width;
+ qrcode->data = data;
+
+ return qrcode;
+}
+
+void QRcode_free(QRcode *qrcode)
+{
+ if(qrcode != NULL) {
+ free(qrcode->data);
+ free(qrcode);
+ }
+}
+
+STATIC_IN_RELEASE QRcode *QRcode_encodeMask(QRinput *input, int mask)
+{
+ int width, version;
+ QRRawCode *raw;
+ unsigned char *frame, *masked, *p, code, bit;
+ int i, j;
+ QRcode *qrcode = NULL;
+ FrameFiller filler;
+
+ if(input->mqr) {
+ errno = EINVAL;
+ return NULL;
+ }
+ if(input->version < 0 || input->version > QRSPEC_VERSION_MAX) {
+ errno = EINVAL;
+ return NULL;
+ }
+ if(!(input->level >= QR_ECLEVEL_L && input->level <= QR_ECLEVEL_H)) {
+ errno = EINVAL;
+ return NULL;
+ }
+
+ raw = QRraw_new(input);
+ if(raw == NULL) return NULL;
+
+ version = raw->version;
+ width = QRspec_getWidth(version);
+ frame = QRspec_newFrame(version);
+ if(frame == NULL) {
+ QRraw_free(raw);
+ return NULL;
+ }
+ FrameFiller_set(&filler, width, frame, 0);
+
+ /* interleaved data and ecc codes */
+ for(i = 0; i < raw->dataLength; i++) {
+ code = QRraw_getCode(raw);
+ bit = 0x80;
+ for(j = 0; j < 8; j++) {
+ p = FrameFiller_next(&filler);
+ if(p == NULL) goto EXIT;
+ *p = ((bit & code) != 0);
+ bit = bit >> 1;
+ }
+ }
+ for(i = 0; i < raw->eccLength; i++) {
+ code = QRraw_getCode(raw);
+ bit = 0x80;
+ for(j = 0; j < 8; j++) {
+ p = FrameFiller_next(&filler);
+ if(p == NULL) goto EXIT;
+ *p = 0x02 | ((bit & code) != 0);
+ bit = bit >> 1;
+ }
+ }
+ QRraw_free(raw);
+ raw = NULL;
+ /* remainder bits */
+ j = QRspec_getRemainder(version);
+ for(i = 0; i < j; i++) {
+ p = FrameFiller_next(&filler);
+ if(p == NULL) goto EXIT;
+ *p = 0x02;
+ }
+
+ /* masking */
+ if(mask == -2) { // just for debug purpose
+ masked = (unsigned char *)malloc((size_t)(width * width));
+ memcpy(masked, frame, (size_t)(width * width));
+ } else if(mask < 0) {
+ masked = Mask_mask(width, frame, input->level);
+ } else {
+ masked = Mask_makeMask(width, frame, mask, input->level);
+ }
+ if(masked == NULL) {
+ goto EXIT;
+ }
+ qrcode = QRcode_new(version, width, masked);
+ if(qrcode == NULL) {
+ free(masked);
+ }
+
+EXIT:
+ QRraw_free(raw);
+ free(frame);
+ return qrcode;
+}
+
+STATIC_IN_RELEASE QRcode *QRcode_encodeMaskMQR(QRinput *input, int mask)
+{
+ int width, version;
+ MQRRawCode *raw;
+ unsigned char *frame, *masked, *p, code, bit;
+ int i, j, length;
+ QRcode *qrcode = NULL;
+ FrameFiller filler;
+
+ if(!input->mqr) {
+ errno = EINVAL;
+ return NULL;
+ }
+ if(input->version <= 0 || input->version > MQRSPEC_VERSION_MAX) {
+ errno = EINVAL;
+ return NULL;
+ }
+ if(!(input->level >= QR_ECLEVEL_L && input->level <= QR_ECLEVEL_Q)) {
+ errno = EINVAL;
+ return NULL;
+ }
+
+ raw = MQRraw_new(input);
+ if(raw == NULL) return NULL;
+
+ version = raw->version;
+ width = MQRspec_getWidth(version);
+ frame = MQRspec_newFrame(version);
+ if(frame == NULL) {
+ MQRraw_free(raw);
+ return NULL;
+ }
+ FrameFiller_set(&filler, width, frame, 1);
+
+ /* interleaved data and ecc codes */
+ for(i = 0; i < raw->dataLength; i++) {
+ code = MQRraw_getCode(raw);
+ bit = 0x80;
+ if(raw->oddbits && i == raw->dataLength - 1) {
+ length = raw->oddbits;
+ } else {
+ length = 8;
+ }
+ for(j = 0; j < length; j++) {
+ p = FrameFiller_next(&filler);
+ if(p == NULL) goto EXIT;
+ *p = ((bit & code) != 0);
+ bit = bit >> 1;
+ }
+ }
+ for(i = 0; i < raw->eccLength; i++) {
+ code = MQRraw_getCode(raw);
+ bit = 0x80;
+ length = 8;
+ for(j = 0; j < length; j++) {
+ p = FrameFiller_next(&filler);
+ if(p == NULL) goto EXIT;
+ *p = 0x02 | ((bit & code) != 0);
+ bit = bit >> 1;
+ }
+ }
+ MQRraw_free(raw);
+ raw = NULL;
+
+ /* masking */
+ if(mask == -2) { // just for debug purpose
+ masked = (unsigned char *)malloc((size_t)(width * width));
+ memcpy(masked, frame, (size_t)(width * width));
+ } else if(mask < 0) {
+ masked = MMask_mask(version, frame, input->level);
+ } else {
+ masked = MMask_makeMask(version, frame, mask, input->level);
+ }
+ if(masked == NULL) {
+ goto EXIT;
+ }
+
+ qrcode = QRcode_new(version, width, masked);
+ if(qrcode == NULL) {
+ free(masked);
+ }
+
+EXIT:
+ MQRraw_free(raw);
+ free(frame);
+ return qrcode;
+}
+
+QRcode *QRcode_encodeInput(QRinput *input)
+{
+ if(input->mqr) {
+ return QRcode_encodeMaskMQR(input, -1);
+ } else {
+ return QRcode_encodeMask(input, -1);
+ }
+}
+
+static QRcode *QRcode_encodeStringReal(const char *string, int version, QRecLevel level, int mqr, QRencodeMode hint, int casesensitive)
+{
+ QRinput *input;
+ QRcode *code;
+ int ret;
+
+ if(string == NULL) {
+ errno = EINVAL;
+ return NULL;
+ }
+ if(hint != QR_MODE_8 && hint != QR_MODE_KANJI) {
+ errno = EINVAL;
+ return NULL;
+ }
+
+ if(mqr) {
+ input = QRinput_newMQR(version, level);
+ } else {
+ input = QRinput_new2(version, level);
+ }
+ if(input == NULL) return NULL;
+
+ ret = Split_splitStringToQRinput(string, input, hint, casesensitive);
+ if(ret < 0) {
+ QRinput_free(input);
+ return NULL;
+ }
+ code = QRcode_encodeInput(input);
+ QRinput_free(input);
+
+ return code;
+}
+
+QRcode *QRcode_encodeString(const char *string, int version, QRecLevel level, QRencodeMode hint, int casesensitive)
+{
+ return QRcode_encodeStringReal(string, version, level, 0, hint, casesensitive);
+}
+
+QRcode *QRcode_encodeStringMQR(const char *string, int version, QRecLevel level, QRencodeMode hint, int casesensitive)
+{
+ int i;
+
+ if(version == 0) {
+ version = 1;
+ }
+ for(i = version; i <= MQRSPEC_VERSION_MAX ; i++) {
+ QRcode *code = QRcode_encodeStringReal(string, i, level, 1, hint, casesensitive);
+ if(code != NULL) return code;
+ }
+
+ return NULL;
+}
+
+static QRcode *QRcode_encodeDataReal(const unsigned char *data, int length, int version, QRecLevel level, int mqr)
+{
+ QRinput *input;
+ QRcode *code;
+ int ret;
+
+ if(data == NULL || length == 0) {
+ errno = EINVAL;
+ return NULL;
+ }
+
+ if(mqr) {
+ input = QRinput_newMQR(version, level);
+ } else {
+ input = QRinput_new2(version, level);
+ }
+ if(input == NULL) return NULL;
+
+ ret = QRinput_append(input, QR_MODE_8, length, data);
+ if(ret < 0) {
+ QRinput_free(input);
+ return NULL;
+ }
+ code = QRcode_encodeInput(input);
+ QRinput_free(input);
+
+ return code;
+}
+
+QRcode *QRcode_encodeData(int size, const unsigned char *data, int version, QRecLevel level)
+{
+ return QRcode_encodeDataReal(data, size, version, level, 0);
+}
+
+QRcode *QRcode_encodeString8bit(const char *string, int version, QRecLevel level)
+{
+ if(string == NULL) {
+ errno = EINVAL;
+ return NULL;
+ }
+ return QRcode_encodeDataReal((const unsigned char *)string, (int)strlen(string), version, level, 0);
+}
+
+QRcode *QRcode_encodeDataMQR(int size, const unsigned char *data, int version, QRecLevel level)
+{
+ int i;
+
+ if(version == 0) {
+ version = 1;
+ }
+ for(i = version; i <= MQRSPEC_VERSION_MAX; i++) {
+ QRcode *code = QRcode_encodeDataReal(data, size, i, level, 1);
+ if(code != NULL) return code;
+ }
+
+ return NULL;
+}
+
+QRcode *QRcode_encodeString8bitMQR(const char *string, int version, QRecLevel level)
+{
+ int i;
+
+ if(string == NULL) {
+ errno = EINVAL;
+ return NULL;
+ }
+ if(version == 0) {
+ version = 1;
+ }
+ for(i = version; i <= MQRSPEC_VERSION_MAX; i++) {
+ QRcode *code = QRcode_encodeDataReal((const unsigned char *)string, (int)strlen(string), i, level, 1);
+ if(code != NULL) return code;
+ }
+
+ return NULL;
+}
+
+
+/******************************************************************************
+ * Structured QR-code encoding
+ *****************************************************************************/
+
+static QRcode_List *QRcode_List_newEntry(void)
+{
+ QRcode_List *entry;
+
+ entry = (QRcode_List *)malloc(sizeof(QRcode_List));
+ if(entry == NULL) return NULL;
+
+ entry->next = NULL;
+ entry->code = NULL;
+
+ return entry;
+}
+
+static void QRcode_List_freeEntry(QRcode_List *entry)
+{
+ if(entry != NULL) {
+ QRcode_free(entry->code);
+ free(entry);
+ }
+}
+
+void QRcode_List_free(QRcode_List *qrlist)
+{
+ QRcode_List *list = qrlist, *next;
+
+ while(list != NULL) {
+ next = list->next;
+ QRcode_List_freeEntry(list);
+ list = next;
+ }
+}
+
+int QRcode_List_size(QRcode_List *qrlist)
+{
+ QRcode_List *list = qrlist;
+ int size = 0;
+
+ while(list != NULL) {
+ size++;
+ list = list->next;
+ }
+
+ return size;
+}
+
+QRcode_List *QRcode_encodeInputStructured(QRinput_Struct *s)
+{
+ QRcode_List *head = NULL;
+ QRcode_List *tail = NULL;
+ QRcode_List *entry;
+ QRinput_InputList *list = s->head;
+
+ while(list != NULL) {
+ if(head == NULL) {
+ entry = QRcode_List_newEntry();
+ if(entry == NULL) goto ABORT;
+ head = entry;
+ tail = head;
+ } else {
+ entry = QRcode_List_newEntry();
+ if(entry == NULL) goto ABORT;
+ tail->next = entry;
+ tail = tail->next;
+ }
+ tail->code = QRcode_encodeInput(list->input);
+ if(tail->code == NULL) {
+ goto ABORT;
+ }
+ list = list->next;
+ }
+
+ return head;
+ABORT:
+ QRcode_List_free(head);
+ return NULL;
+}
+
+static QRcode_List *QRcode_encodeInputToStructured(QRinput *input)
+{
+ QRinput_Struct *s;
+ QRcode_List *codes;
+
+ s = QRinput_splitQRinputToStruct(input);
+ if(s == NULL) return NULL;
+
+ codes = QRcode_encodeInputStructured(s);
+ QRinput_Struct_free(s);
+
+ return codes;
+}
+
+static QRcode_List *QRcode_encodeDataStructuredReal(
+ int size, const unsigned char *data,
+ int version, QRecLevel level,
+ int eightbit, QRencodeMode hint, int casesensitive)
+{
+ QRinput *input;
+ QRcode_List *codes;
+ int ret;
+
+ if(version <= 0) {
+ errno = EINVAL;
+ return NULL;
+ }
+ if(!eightbit && (hint != QR_MODE_8 && hint != QR_MODE_KANJI)) {
+ errno = EINVAL;
+ return NULL;
+ }
+
+ input = QRinput_new2(version, level);
+ if(input == NULL) return NULL;
+
+ if(eightbit) {
+ ret = QRinput_append(input, QR_MODE_8, size, data);
+ } else {
+ ret = Split_splitStringToQRinput((const char *)data, input, hint, casesensitive);
+ }
+ if(ret < 0) {
+ QRinput_free(input);
+ return NULL;
+ }
+ codes = QRcode_encodeInputToStructured(input);
+ QRinput_free(input);
+
+ return codes;
+}
+
+QRcode_List *QRcode_encodeDataStructured(int size, const unsigned char *data, int version, QRecLevel level) {
+ return QRcode_encodeDataStructuredReal(size, data, version, level, 1, QR_MODE_NUL, 0);
+}
+
+QRcode_List *QRcode_encodeString8bitStructured(const char *string, int version, QRecLevel level) {
+ if(string == NULL) {
+ errno = EINVAL;
+ return NULL;
+ }
+ return QRcode_encodeDataStructured((int)strlen(string), (const unsigned char *)string, version, level);
+}
+
+QRcode_List *QRcode_encodeStringStructured(const char *string, int version, QRecLevel level, QRencodeMode hint, int casesensitive)
+{
+ if(string == NULL) {
+ errno = EINVAL;
+ return NULL;
+ }
+ return QRcode_encodeDataStructuredReal((int)strlen(string), (const unsigned char *)string, version, level, 0, hint, casesensitive);
+}
+
+/******************************************************************************
+ * System utilities
+ *****************************************************************************/
+
+void QRcode_APIVersion(int *major_version, int *minor_version, int *micro_version)
+{
+ if(major_version != NULL) {
+ *major_version = MAJOR_VERSION;
+ }
+ if(minor_version != NULL) {
+ *minor_version = MINOR_VERSION;
+ }
+ if(micro_version != NULL) {
+ *micro_version = MICRO_VERSION;
+ }
+}
+
+char *QRcode_APIVersionString(void)
+{
+ return VERSION;
+}
+
+void QRcode_clearCache(void)
+{
+ return;
+}
generated by cgit 0.0.5-2-1-g0f52 (git 2.46.0) at 2026-04-05 20:33:23 +0000