[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/qrencode/bitstream.c b/ap/app/qrencode/bitstream.c
new file mode 100644
index 0000000..a0b9283
--- /dev/null
+++ b/ap/app/qrencode/bitstream.c
@@ -0,0 +1,238 @@
+/*
+ * qrencode - QR Code encoder
+ *
+ * Binary sequence class.
+ * Copyright (C) 2006-2011 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 "bitstream.h"
+
+BitStream *BitStream_new(void)
+{
+ BitStream *bstream;
+
+ bstream = (BitStream *)malloc(sizeof(BitStream));
+ if(bstream == NULL) return NULL;
+
+ bstream->length = 0;
+ bstream->data = NULL;
+
+ return bstream;
+}
+
+static int BitStream_allocate(BitStream *bstream, int length)
+{
+ unsigned char *data;
+
+ if(bstream == NULL) {
+ return -1;
+ }
+
+ data = (unsigned char *)malloc(length);
+ if(data == NULL) {
+ return -1;
+ }
+
+ if(bstream->data) {
+ free(bstream->data);
+ }
+ bstream->length = length;
+ bstream->data = data;
+
+ return 0;
+}
+
+static BitStream *BitStream_newFromNum(int bits, unsigned int num)
+{
+ unsigned int mask;
+ int i;
+ unsigned char *p;
+ BitStream *bstream;
+
+ bstream = BitStream_new();
+ if(bstream == NULL) return NULL;
+
+ if(BitStream_allocate(bstream, bits)) {
+ BitStream_free(bstream);
+ return NULL;
+ }
+
+ p = bstream->data;
+ mask = 1 << (bits - 1);
+ for(i=0; i<bits; i++) {
+ if(num & mask) {
+ *p = 1;
+ } else {
+ *p = 0;
+ }
+ p++;
+ mask = mask >> 1;
+ }
+
+ return bstream;
+}
+
+static BitStream *BitStream_newFromBytes(int size, unsigned char *data)
+{
+ unsigned char mask;
+ int i, j;
+ unsigned char *p;
+ BitStream *bstream;
+
+ bstream = BitStream_new();
+ if(bstream == NULL) return NULL;
+
+ if(BitStream_allocate(bstream, size * 8)) {
+ BitStream_free(bstream);
+ return NULL;
+ }
+
+ p = bstream->data;
+ for(i=0; i<size; i++) {
+ mask = 0x80;
+ for(j=0; j<8; j++) {
+ if(data[i] & mask) {
+ *p = 1;
+ } else {
+ *p = 0;
+ }
+ p++;
+ mask = mask >> 1;
+ }
+ }
+
+ return bstream;
+}
+
+int BitStream_append(BitStream *bstream, BitStream *arg)
+{
+ unsigned char *data;
+
+ if(arg == NULL) {
+ return -1;
+ }
+ if(arg->length == 0) {
+ return 0;
+ }
+ if(bstream->length == 0) {
+ if(BitStream_allocate(bstream, arg->length)) {
+ return -1;
+ }
+ memcpy(bstream->data, arg->data, arg->length);
+ return 0;
+ }
+
+ data = (unsigned char *)malloc(bstream->length + arg->length);
+ if(data == NULL) {
+ return -1;
+ }
+ memcpy(data, bstream->data, bstream->length);
+ memcpy(data + bstream->length, arg->data, arg->length);
+
+ free(bstream->data);
+ bstream->length += arg->length;
+ bstream->data = data;
+
+ return 0;
+}
+
+int BitStream_appendNum(BitStream *bstream, int bits, unsigned int num)
+{
+ BitStream *b;
+ int ret;
+
+ if(bits == 0) return 0;
+
+ b = BitStream_newFromNum(bits, num);
+ if(b == NULL) return -1;
+
+ ret = BitStream_append(bstream, b);
+ BitStream_free(b);
+
+ return ret;
+}
+
+int BitStream_appendBytes(BitStream *bstream, int size, unsigned char *data)
+{
+ BitStream *b;
+ int ret;
+
+ if(size == 0) return 0;
+
+ b = BitStream_newFromBytes(size, data);
+ if(b == NULL) return -1;
+
+ ret = BitStream_append(bstream, b);
+ BitStream_free(b);
+
+ return ret;
+}
+
+unsigned char *BitStream_toByte(BitStream *bstream)
+{
+ int i, j, size, bytes;
+ unsigned char *data, v;
+ unsigned char *p;
+
+ size = BitStream_size(bstream);
+ if(size == 0) {
+ return NULL;
+ }
+ data = (unsigned char *)malloc((size + 7) / 8);
+ if(data == NULL) {
+ return NULL;
+ }
+
+ bytes = size / 8;
+
+ p = bstream->data;
+ for(i=0; i<bytes; i++) {
+ v = 0;
+ for(j=0; j<8; j++) {
+ v = v << 1;
+ v |= *p;
+ p++;
+ }
+ data[i] = v;
+ }
+ if(size & 7) {
+ v = 0;
+ for(j=0; j<(size & 7); j++) {
+ v = v << 1;
+ v |= *p;
+ p++;
+ }
+ data[bytes] = v;
+ }
+
+ return data;
+}
+
+void BitStream_free(BitStream *bstream)
+{
+ if(bstream != NULL) {
+ free(bstream->data);
+ free(bstream);
+ }
+}