| 0,0 → 1,210 |
|---|
| #include <string.h> |
| #include <stdio.h> |
| |
| typedef int conv_t; |
| typedef unsigned int ucs4_t; |
| |
| typedef int iconv_t; |
| |
| |
| /* Return code if invalid input after a shift sequence of n bytes was read. |
| (xxx_mbtowc) */ |
| #define RET_SHIFT_ILSEQ(n) (-1-2*(n)) |
| /* Return code if invalid. (xxx_mbtowc) */ |
| #define RET_ILSEQ RET_SHIFT_ILSEQ(0) |
| /* Return code if only a shift sequence of n bytes was read. (xxx_mbtowc) */ |
| #define RET_TOOFEW(n) (-2-2*(n)) |
| |
| /* Return code if invalid. (xxx_wctomb) */ |
| #define RET_ILUNI -1 |
| /* Return code if output buffer is too small. (xxx_wctomb, xxx_reset) */ |
| #define RET_TOOSMALL -2 |
| |
| |
| #define CP866 0 |
| #define CP1251 1 |
| #define CP1252 2 |
| #define KOI8_RU 3 |
| #define ISO8859_5 4 |
| #define UTF_8 5 |
| |
| |
| int strcmp (const char* a, const char* b) |
| { |
| return (*a && *b && (*a == *b)) ? ((*(a+1) || *(b+1)) ? (strcmp(a+1, b+1)) : (0)) : ((*a > *b) ? (1) : (-1)); |
| } |
| |
| |
| |
| |
| #include "cp866.h" |
| #include "cp1251.h" |
| #include "cp1252.h" |
| #include "koi8_ru.h" |
| #include "iso8859_5.h" |
| #include "utf8.h" |
| |
| |
| int encoding(const char *what) { |
| |
| if (!strcmp(what,"CP866")) return CP866; |
| if (!strcmp(what,"CP1251")) return CP1251; |
| if (!strcmp(what,"CP1252")) return CP1252; |
| if (!strcmp(what,"KOI8-RU")) return KOI8_RU; |
| if (!strcmp(what,"ISO8859-5")) return ISO8859_5; |
| if (!strcmp(what,"UTF-8")) return UTF_8; |
| return -1; |
| |
| } |
| |
| |
| iconv_t iconv_open(const char *tocode, const char *fromcode) { |
| int to, from; |
| if ((to=encoding(tocode))==-1) return -1; |
| if ((from=encoding(fromcode))==-1) return -1; |
| to=to<<16&0xFFFF0000; |
| from=from&0xFFFF; |
| return to+from; |
| |
| } |
| |
| size_t iconv(iconv_t cd, const char **inbuf, size_t *inbytesleft, |
| char **outbuf, size_t *outbytesleft) |
| { |
| int n, to, from, count1,count2; |
| int pwc, converted,written; |
| int (*mbtowc)(conv_t, ucs4_t *, const unsigned char *, int); |
| int (*wctomb)(conv_t, ucs4_t *, const unsigned char *, int); |
| |
| char *str; |
| str=*outbuf; |
| |
| from=cd>>16; |
| to=cd&0xFFFF; |
| |
| switch (from) |
| { |
| case CP866: mbtowc=cp866_mbtowc; break; |
| case CP1251: mbtowc=cp1251_mbtowc; break; |
| case CP1252: mbtowc=cp1252_mbtowc; break; |
| case ISO8859_5: mbtowc=iso8859_5_mbtowc; break; |
| case KOI8_RU: mbtowc=koi8_ru_mbtowc; break; |
| case UTF_8: mbtowc=utf8_mbtowc; break; |
| default: return -2; |
| } |
| |
| switch (to) |
| { |
| case CP866: wctomb=cp866_wctomb; break; |
| case CP1251: wctomb=cp1251_wctomb; break; |
| case CP1252: wctomb=cp1252_wctomb; break; |
| case ISO8859_5: wctomb=iso8859_5_wctomb; break; |
| case KOI8_RU: wctomb=koi8_ru_wctomb; break; |
| case UTF_8: wctomb=utf8_wctomb; break; |
| default: return -3; |
| } |
| |
| count1=0; |
| count2=0; |
| |
| while ( *inbytesleft>0 && *outbytesleft>1) |
| { |
| n=1; |
| |
| do { |
| //converted= (utf8_mbtowc)(0,&pwc,((*inbuf)+count1),n); |
| // printf("%d\n",n); |
| converted= (mbtowc)(0,&pwc,((*inbuf)+count1),n); |
| |
| n++; |
| } while (converted==RET_TOOFEW(0)); |
| |
| if (converted<0) return -10; |
| //written= (cp866_wctomb)(0,str+count2,pwc,1); |
| written= (wctomb)(0,str+count2,pwc,1); |
| if (written<0) written=0;//return -11; |
| |
| //printf("Conv:%d Wri:%d In:%d Out:%d UTF:%x UCS:%x 866:%s\n",converted, written, *inbytesleft,*outbytesleft,*((*inbuf)+count1),pwc, str); |
| |
| (*inbytesleft)-=converted; |
| (*outbytesleft)-=written; |
| count1+=converted; |
| count2+=written; |
| } |
| *(str+count2)='\0'; |
| |
| if (*inbytesleft>0 && *outbytesleft==0) return -12; |
| return 0; |
| } |
| |
| |
| /* |
| int main() |
| { |
| char *s;// ="вертолет"; |
| char *z; |
| //unsigned int pwc; |
| iconv_t cd; |
| int in, out; |
| |
| FILE *infile; |
| char *fname = "file.txt"; |
| |
| infile = fopen(fname,"r"); |
| |
| fseek(infile, 0, SEEK_END); |
| size_t file_size = ftell(infile); |
| rewind(infile); |
| |
| //printf ("LOL\n"); |
| |
| char *buffer = (char*)malloc(file_size * sizeof(char)); |
| if (buffer == NULL) |
| { |
| fclose(infile); |
| printf("Error allocating %d bytes.\n", file_size * sizeof(char)); |
| return -1; |
| } |
| size_t bytes_read = fread(buffer, sizeof(char), file_size, infile); |
| if (bytes_read != file_size) |
| { |
| printf("Have read only %d bytes of %d.\n", bytes_read, file_size); |
| free(buffer); |
| fclose(infile); |
| return -1; |
| } |
| |
| in=strlen(buffer); |
| z=malloc(in+1); |
| |
| out=in+1; |
| cd=iconv_open("CP1251","CP866"); |
| // printf("%x\n",cd); |
| int t; |
| t=iconv(cd, &buffer, &in, &z, &out); |
| printf("\nResult: %d", t); |
| puts(z); |
| //for (;s<s+strlen(s);s++) {cp866_mbtowc (0, &pwc, s, 1);printf("%c=%u\n",*s,pwc);} |
| } |
| */ |
| |
| |
| typedef struct |
| { |
| char *name; |
| void *f; |
| } export_t; |
| |
| char szStart[] = "START"; |
| char szVersion[] = "version"; |
| char sziconv_open[] = "iconv_open"; |
| char sziconv[] = "iconv"; |
| |
| export_t EXPORTS[] __asm__("EXPORTS") = |
| { |
| { szStart, (void*)0x0 }, |
| { szVersion, (void*)0x00010001 }, |
| { sziconv_open, iconv_open }, |
| { sziconv, iconv }, |
| { NULL, NULL }, |
| }; |