1,6 → 1,5 |
#include <string.h> |
#include <stdio.h> |
#include <errno.h> |
typedef unsigned int size_t; |
#define NULL ((void*)0) |
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typedef int conv_t; |
typedef unsigned int ucs4_t; |
25,84 → 24,58 |
#define KOI8_RU 3 |
#define ISO8859_5 4 |
#define UTF_8 5 |
#define KOI8_R 6 |
#define ISO8859_1 7 |
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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)); |
} |
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#include "cp866.h" |
#include "cp1251.h" |
#include "cp1252.h" |
#include "koi8_r.h" |
#include "koi8_ru.h" |
#include "iso8859_1.h" |
#include "iso8859_5.h" |
#include "utf8.h" |
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int encoding(const char *someencoding) { |
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char *what = strdup(someencoding); |
/* Ignore //TRANSLIT or //IGNORE for now. */ |
int i; |
for(i = 0; i < strlen(what); i++) { |
if(what[i] == '/') { |
what[i] = '\0'; |
break; |
} |
} |
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if (!strcasecmp(what,"CP866")) return CP866; |
if (!strcasecmp(what,"CP1251")) return CP1251; |
if (!strcasecmp(what,"windows-1251")) return CP1251; |
if (!strcasecmp(what,"CP1252")) return CP1252; |
if (!strcasecmp(what,"windows-1252")) return CP1252; |
if (!strcasecmp(what,"KOI8-R")) return KOI8_R; |
if (!strcasecmp(what,"KOI8-RU")) return KOI8_RU; |
if (!strcasecmp(what,"ISO8859-1")) return ISO8859_1; |
if (!strcasecmp(what,"ISO8859-5")) return ISO8859_5; |
if (!strcasecmp(what,"UTF-8")) return UTF_8; |
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; |
} |
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iconv_t iconv_open(const char *tocode, const char *fromcode) { |
int to, from; |
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if ((to=encoding(tocode))==-1) return -1; |
if ((from=encoding(fromcode))==-1) return -1; |
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to=to<<16&0xFFFF0000; |
from=from&0xFFFF; |
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return to+from; |
} |
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int iconv_close(iconv_t icd) |
{ |
return 0; |
} |
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size_t iconv(iconv_t cd, const char **inbuf, size_t *inbytesleft, |
char **outbuf, size_t *outbytesleft) |
{ |
int n, to, from; |
size_t count1,count2; |
unsigned int pwc; |
int converted,written; |
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, unsigned char *, ucs4_t, int); |
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to=cd>>16; |
from=cd&0xFFFF; |
char *str; |
str=*outbuf; |
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from=cd>>16; |
to=cd&0xFFFF; |
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switch (from) |
{ |
case CP866: mbtowc=cp866_mbtowc; break; |
case CP1251: mbtowc=cp1251_mbtowc; break; |
case CP1252: mbtowc=cp1252_mbtowc; break; |
case ISO8859_1: mbtowc=iso8859_1_mbtowc; break; |
case ISO8859_5: mbtowc=iso8859_5_mbtowc; break; |
case KOI8_R: mbtowc=koi8_r_mbtowc; break; |
case KOI8_RU: mbtowc=koi8_ru_mbtowc; break; |
case UTF_8: mbtowc=utf8_mbtowc; break; |
default: return (size_t)-1; |
default: return -2; |
} |
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switch (to) |
110,160 → 83,54 |
case CP866: wctomb=cp866_wctomb; break; |
case CP1251: wctomb=cp1251_wctomb; break; |
case CP1252: wctomb=cp1252_wctomb; break; |
case ISO8859_1: wctomb=iso8859_1_wctomb; break; |
case ISO8859_5: wctomb=iso8859_5_wctomb; break; |
case KOI8_R: wctomb=koi8_r_wctomb; break; |
case KOI8_RU: wctomb=koi8_ru_wctomb; break; |
case UTF_8: wctomb=utf8_wctomb; break; |
default: return (size_t)-1; |
default: return -3; |
} |
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count1=0; |
count2=0; |
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/* Convert input multibyte char to wide character by using calls to mbtowc */ |
/* Convert wide character to multibyte by calls to wctomb */ |
/* Handle errors as we go on converting to be as standard compliant as possible */ |
while(count1 < *inbytesleft) { |
unsigned char mbholder[] = { 0,0,0,0,0,0 }; |
while ( *inbytesleft>0 && *outbytesleft>1) |
{ |
n=1; |
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int numbytes = (mbtowc)(0, &pwc,((*inbuf)+count1), *inbytesleft - count1); |
if(numbytes < 0) { |
/* errno = EILSEQ if invalid multibyte sequence encountered in input */ |
/* errno = EINVAL if input ends in the middle of a multibyte sequence */ |
do { |
//converted= (utf8_mbtowc)(0,&pwc,((*inbuf)+count1),n); |
// printf("%d\n",n); |
converted = (mbtowc)(0,&pwc,((*inbuf)+count1),n); |
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switch(numbytes) { |
case RET_TOOFEW(0): |
errno = EINVAL; |
break; |
n++; |
} while (converted==RET_TOOFEW(0)); |
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case RET_ILSEQ: |
errno = EILSEQ; |
break; |
} |
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; |
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*inbytesleft -= count1; |
*outbytesleft -= count2; |
*inbuf += count1; |
*outbuf += count2; |
return (size_t) -1; |
} |
//printf("Conv:%d Wri:%d In:%d Out:%d UTF:%x UCS:%x 866:%s\n",converted, written, *inbytesleft,*outbytesleft,*((*inbuf)+count1),pwc, str); |
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/* Convert from wide to multibyte storing result in mbholder and num converted in numbytes2 */ |
/* Pass the minimum amount of space we have, one from mbholder and one from remaining in outbuf */ |
int minspace = sizeof(mbholder) <= (*outbytesleft - count2) ? sizeof(mbholder) : (*outbytesleft - count2); |
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int numbytes2 = (wctomb)(0, &mbholder[0], pwc, minspace); |
if(numbytes2 < 0) { |
switch(numbytes2) { |
case RET_ILUNI: |
errno = EILSEQ; |
break; |
case RET_TOOSMALL: |
errno = E2BIG; |
break; |
(*inbytesleft)-=converted; |
(*outbytesleft)-=written; |
count1+=converted; |
count2+=written; |
} |
*(str+count2)='\0'; |
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*inbytesleft -= count1; |
*outbytesleft -= count2; |
*inbuf += count1; |
*outbuf += count2; |
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return (size_t) -1; |
if (*inbytesleft>0 && *outbytesleft==0) return -12; |
return 0; |
} |
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int i; |
for(i = 0; i < numbytes2; i++) { |
*(*outbuf + count2 + i) = mbholder[i]; |
} |
typedef struct { |
char *name; |
void *func; |
} export_t; |
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count1+=numbytes; |
count2+=numbytes2; |
} |
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/* Successfully converted everything, update the variables and return number of bytes converted */ |
*inbytesleft -= count1; |
*outbytesleft -= count2; |
*inbuf += count1; |
*outbuf += count2; |
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return count1; |
} |
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/* int main() */ |
/* { */ |
/* char *s;// ="вертолет"; */ |
/* char *z; */ |
/* //unsigned int pwc; */ |
/* iconv_t cd; */ |
/* size_t in, out; */ |
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/* FILE *infile; */ |
/* char *fname = "file3.txt"; */ |
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/* size_t testmax = 100; */ |
/* size_t test = 0; */ |
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/* infile = fopen(fname,"r"); */ |
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/* fseek(infile, 0, SEEK_END); */ |
/* size_t file_size = ftell(infile); */ |
/* rewind(infile); */ |
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/* 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; */ |
/* } */ |
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/* /\* in=strlen(buffer); *\/ */ |
/* in = bytes_read; */ |
/* z=malloc(in+12000); */ |
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/* out=in-1000; */ |
/* cd=iconv_open("UTF-8","UTF-8"); */ |
/* // printf("%x\n",cd); */ |
/* int t; */ |
/* char *zor = z; */ |
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/* /\* for(t = 0; t < 27400; t++) *\/ */ |
/* /\* printf("0x%x,", buffer[t]); *\/ */ |
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/* t=iconv(cd, &buffer, &in, &z, &out); */ |
/* /\* printf("\nResult after iconv(): %d", t); *\/ */ |
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/* /\* for(t = 0; t < 24259; t++) *\/ */ |
/* /\* printf("%c", zor[t]); *\/ */ |
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/* //for (;s<s+strlen(s);s++) {cp866_mbtowc (0, &pwc, s, 1);printf("%c=%u\n",*s,pwc);} */ |
/* } */ |
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/* typedef struct */ |
/* { */ |
/* char *name; */ |
/* void *f; */ |
/* } export_t; */ |
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/* char szStart[] = "START"; */ |
/* char szVersion[] = "version"; */ |
/* char sziconv_open[] = "iconv_open"; */ |
/* char sziconv[] = "iconv"; */ |
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/* export_t EXPORTS[] __asm__("EXPORTS") = */ |
/* { */ |
/* { szStart, (void*)0x0 }, */ |
/* { szVersion, (void*)0x00010001 }, */ |
/* { sziconv_open, iconv_open }, */ |
/* { sziconv, iconv }, */ |
/* { NULL, NULL }, */ |
/* }; */ |
export_t EXPORTS[] = { |
{"START", (void*)0x0}, |
{"version", (void*)0x00010001}, |
{"iconv_open", iconv_open}, |
{"iconv", iconv}, |
NULL |
}; |