iconv.zip

#include <stdio.h> #include <stdlib.h> #include <string.h> #include <iconv.h> #include <errno.h> #include <locale.h> #include <fcntl.h> #include <unistd.h> #include <iconv.h> /* * 对字符串进行语言编码转换 * */ int convert(const char *form, const char *to, char *save, int savelen, char *src, int srclen) { iconv_t cd; const char *inbuf = src; char *outbuf = save; size_t outbufsize = savelen; int status = 0; size_t savesize = 0; size_t inbufsize = srclen; const char *inptr = inbuf; size_t insize = inbufsize; char *outptr = outbuf; size_t outsize = outbufsize; cd = iconv_open(to, form); iconv(cd, NULL, NULL, NULL, NULL); if (inbufsize == 0) { status = -1; goto done; } while(insize > 0) { size_t res = iconv(cd, (char**)&inptr, &insize, &outptr, &outsize); if (outptr != outbuf) { int saved_errno = errno; int outsize = outptr-outbuf; strncpy(save+savesize, outbuf, outsize); errno = saved_errno; } if (res == (size_t)(-1)) { if (errno == EILSEQ) { int one = 1; iconvctl(cd, ICONV_SET_DISCARD_ILSEQ, &one); //忽略无效序列并继续转换 status = -3; } } else if (errno == EINVAL) { if (inbufsize == 0) { status = -4; goto done; } else { break; } } else if (errno == E2BIG) { status = -5; goto done; } else { status = -6; goto done; } } status = strlen(save); done: iconv_close(cd); return status; } /* * 例: 字符串(GB2312) unicode * 工作愉快!，->5DE54F5C61095FEBFF01 */ int main(int argc, char *argv[]) { char sdata[40] = {"工作愉快!"}; char ddata[40] = {0}; convert("UTF-8", "GB2312", ddata, sizeof(ddata), sdata, sizeof(sdata)); printf("ddata:%s\r\n",ddata); return 0; }