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Rev | Author | Line No. | Line |
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5098 | clevermous | 1 | //#include |
2 | //#include |
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3 | typedef unsigned int size_t; |
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4 | #define NULL ((void*)0) |
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3479 | leency | 5 | |
6 | typedef int conv_t; |
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7 | typedef unsigned int ucs4_t; |
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8 | |||
9 | typedef int iconv_t; |
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10 | |||
11 | |||
12 | /* Return code if invalid input after a shift sequence of n bytes was read. |
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13 | (xxx_mbtowc) */ |
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14 | #define RET_SHIFT_ILSEQ(n) (-1-2*(n)) |
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15 | /* Return code if invalid. (xxx_mbtowc) */ |
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16 | #define RET_ILSEQ RET_SHIFT_ILSEQ(0) |
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17 | /* Return code if only a shift sequence of n bytes was read. (xxx_mbtowc) */ |
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18 | #define RET_TOOFEW(n) (-2-2*(n)) |
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19 | |||
20 | /* Return code if invalid. (xxx_wctomb) */ |
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21 | #define RET_ILUNI -1 |
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22 | /* Return code if output buffer is too small. (xxx_wctomb, xxx_reset) */ |
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23 | #define RET_TOOSMALL -2 |
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24 | |||
25 | |||
26 | #define CP866 0 |
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27 | #define CP1251 1 |
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28 | #define CP1252 2 |
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29 | #define KOI8_RU 3 |
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30 | #define ISO8859_5 4 |
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31 | #define UTF_8 5 |
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32 | |||
33 | |||
34 | int strcmp (const char* a, const char* b) |
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35 | { |
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36 | return (*a && *b && (*a == *b)) ? ((*(a+1) || *(b+1)) ? (strcmp(a+1, b+1)) : (0)) : ((*a > *b) ? (1) : (-1)); |
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37 | } |
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38 | |||
39 | |||
40 | |||
41 | |||
42 | #include "cp866.h" |
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43 | #include "cp1251.h" |
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44 | #include "cp1252.h" |
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45 | #include "koi8_ru.h" |
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46 | #include "iso8859_5.h" |
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47 | #include "utf8.h" |
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48 | |||
49 | |||
7005 | ashmew2 | 50 | int encoding(char *what) { |
6892 | ashmew2 | 51 | |
7005 | ashmew2 | 52 | /* Ignore //TRANSLIT or //IGNORE for now. */ |
53 | int i; |
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54 | for(i = 0; i < strlen(what); i++) { |
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55 | if(what[i] == '/') { |
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56 | what[i] = '\0'; |
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57 | break; |
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58 | } |
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59 | } |
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60 | |||
3479 | leency | 61 | if (!strcmp(what,"CP866")) return CP866; |
62 | if (!strcmp(what,"CP1251")) return CP1251; |
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6892 | ashmew2 | 63 | if (!strcmp(what,"windows-1252")) return CP1252; |
3479 | leency | 64 | if (!strcmp(what,"CP1252")) return CP1252; |
65 | if (!strcmp(what,"KOI8-RU")) return KOI8_RU; |
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66 | if (!strcmp(what,"ISO8859-5")) return ISO8859_5; |
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67 | if (!strcmp(what,"UTF-8")) return UTF_8; |
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68 | return -1; |
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69 | } |
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70 | |||
71 | |||
72 | iconv_t iconv_open(const char *tocode, const char *fromcode) { |
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73 | int to, from; |
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74 | if ((to=encoding(tocode))==-1) return -1; |
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75 | if ((from=encoding(fromcode))==-1) return -1; |
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76 | to=to<<16&0xFFFF0000; |
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77 | from=from&0xFFFF; |
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78 | return to+from; |
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79 | } |
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80 | |||
6882 | ashmew2 | 81 | int iconv_close(iconv_t icd) |
82 | { |
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83 | return 0; |
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84 | } |
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85 | |||
3479 | leency | 86 | size_t iconv(iconv_t cd, const char **inbuf, size_t *inbytesleft, |
87 | char **outbuf, size_t *outbytesleft) |
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88 | { |
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89 | int n, to, from, count1,count2; |
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90 | int pwc, converted,written; |
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91 | int (*mbtowc)(conv_t, ucs4_t *, const unsigned char *, int); |
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92 | int (*wctomb)(conv_t, ucs4_t *, const unsigned char *, int); |
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93 | |||
94 | char *str; |
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95 | str=*outbuf; |
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96 | |||
97 | from=cd>>16; |
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98 | to=cd&0xFFFF; |
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99 | |||
100 | switch (from) |
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101 | { |
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102 | case CP866: mbtowc=cp866_mbtowc; break; |
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103 | case CP1251: mbtowc=cp1251_mbtowc; break; |
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104 | case CP1252: mbtowc=cp1252_mbtowc; break; |
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105 | case ISO8859_5: mbtowc=iso8859_5_mbtowc; break; |
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106 | case KOI8_RU: mbtowc=koi8_ru_mbtowc; break; |
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107 | case UTF_8: mbtowc=utf8_mbtowc; break; |
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108 | default: return -2; |
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109 | } |
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110 | |||
111 | switch (to) |
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112 | { |
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113 | case CP866: wctomb=cp866_wctomb; break; |
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114 | case CP1251: wctomb=cp1251_wctomb; break; |
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115 | case CP1252: wctomb=cp1252_wctomb; break; |
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116 | case ISO8859_5: wctomb=iso8859_5_wctomb; break; |
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117 | case KOI8_RU: wctomb=koi8_ru_wctomb; break; |
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118 | case UTF_8: wctomb=utf8_wctomb; break; |
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119 | default: return -3; |
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120 | } |
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6894 | ashmew2 | 121 | |
122 | if(from == to) { |
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123 | int oc=0,ic=0; |
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124 | |||
125 | while(*inbytesleft > 0 && *outbytesleft > 0) { |
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126 | str[oc]=(*inbuf)[ic]; |
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127 | ++ic; |
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128 | ++oc; |
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129 | (*inbytesleft)--; |
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130 | (*outbytesleft)--; |
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7007 | ashmew2 | 131 | (*outbuf)++; |
6894 | ashmew2 | 132 | } |
133 | |||
134 | return 0; |
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135 | } |
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3479 | leency | 136 | |
137 | count1=0; |
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138 | count2=0; |
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139 | |||
140 | while ( *inbytesleft>0 && *outbytesleft>1) |
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141 | { |
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142 | n=1; |
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143 | |||
144 | do { |
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145 | //converted= (utf8_mbtowc)(0,&pwc,((*inbuf)+count1),n); |
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146 | // printf("%d\n",n); |
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147 | converted= (mbtowc)(0,&pwc,((*inbuf)+count1),n); |
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148 | |||
149 | n++; |
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150 | } while (converted==RET_TOOFEW(0)); |
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151 | |||
152 | if (converted<0) return -10; |
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153 | //written= (cp866_wctomb)(0,str+count2,pwc,1); |
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154 | written= (wctomb)(0,str+count2,pwc,1); |
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155 | if (written<0) written=0;//return -11; |
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156 | |||
157 | //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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158 | |||
159 | (*inbytesleft)-=converted; |
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160 | (*outbytesleft)-=written; |
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161 | count1+=converted; |
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162 | count2+=written; |
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163 | } |
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164 | *(str+count2)='\0'; |
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165 | |||
166 | if (*inbytesleft>0 && *outbytesleft==0) return -12; |
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167 | return 0; |
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168 | } |
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169 | |||
170 | |||
171 | /* |
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172 | int main() |
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173 | { |
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174 | char *s;// ="вертолет"; |
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175 | char *z; |
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176 | //unsigned int pwc; |
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177 | iconv_t cd; |
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178 | int in, out; |
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179 | |||
180 | FILE *infile; |
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181 | char *fname = "file.txt"; |
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182 | |||
183 | infile = fopen(fname,"r"); |
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184 | |||
185 | fseek(infile, 0, SEEK_END); |
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186 | size_t file_size = ftell(infile); |
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187 | rewind(infile); |
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188 | |||
189 | //printf ("LOL\n"); |
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190 | |||
191 | char *buffer = (char*)malloc(file_size * sizeof(char)); |
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192 | if (buffer == NULL) |
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193 | { |
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194 | fclose(infile); |
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195 | printf("Error allocating %d bytes.\n", file_size * sizeof(char)); |
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196 | return -1; |
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197 | } |
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198 | size_t bytes_read = fread(buffer, sizeof(char), file_size, infile); |
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199 | if (bytes_read != file_size) |
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200 | { |
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201 | printf("Have read only %d bytes of %d.\n", bytes_read, file_size); |
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202 | free(buffer); |
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203 | fclose(infile); |
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204 | return -1; |
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205 | } |
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206 | |||
207 | in=strlen(buffer); |
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208 | z=malloc(in+1); |
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209 | |||
210 | out=in+1; |
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211 | cd=iconv_open("CP1251","CP866"); |
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212 | // printf("%x\n",cd); |
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213 | int t; |
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214 | t=iconv(cd, &buffer, &in, &z, &out); |
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215 | printf("\nResult: %d", t); |
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216 | puts(z); |
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217 | //for (;s |
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218 | } |
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219 | */ |
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220 | |||
221 | |||
222 | typedef struct |
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223 | { |
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224 | char *name; |
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225 | void *f; |
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226 | } export_t; |
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227 | |||
228 | char szStart[] = "START"; |
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229 | char szVersion[] = "version"; |
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230 | char sziconv_open[] = "iconv_open"; |
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231 | char sziconv[] = "iconv"; |
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232 | |||
233 | export_t EXPORTS[] __asm__("EXPORTS") = |
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234 | { |
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235 | { szStart, (void*)0x0 }, |
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236 | { szVersion, (void*)0x00010001 }, |
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237 | { sziconv_open, iconv_open }, |
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238 | { sziconv, iconv }, |
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239 | { NULL, NULL }, |
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240 | };0)>0)>16&0xFFFF0000; |