55 lines
978 B
C
55 lines
978 B
C
#include <stdio.h>
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#include "gbk_to_utf8.h"
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#include "utf8_to_gbk.h"
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#include "RK_encode.h"
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int RK_encode_is_utf8(char *buf, const int size)
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{
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int i = 0;
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int bit1num = 0;
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unsigned char temp = 0;
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if ((size == 0) || (*buf == '\0')) {
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return 1;
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}
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for (i = 0; i < size; i++) {
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if ((!bit1num) && ((buf[i] & 0x80) == 0)) {
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continue;
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} else if ((bit1num) && ((buf[i] & 0xc0) == 0x80)) {
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bit1num--;
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continue;
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} else if ((bit1num) && ((buf[i] & 0xc0) != 0x80)) {
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return 0;
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} else {
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temp = buf[i] & 0xff;
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bit1num = 0;
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while ((temp << bit1num) & 0x80) {
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bit1num++;
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if(bit1num > 6){
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return 0;
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}
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}
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if(bit1num < 2) {
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return 0;
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}
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bit1num--;
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}
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}
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if(bit1num)
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return 0;
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return 1;
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}
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int RK_encode_gbk_to_utf8(unsigned char* src, int len, unsigned char* dst)
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{
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return gbk_to_utf8(src, len, dst);
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}
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int RK_encode_utf8_to_gbk(unsigned char* src, int len, unsigned char* dst)
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{
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return utf8_to_gbk(src, len, dst);
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}
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