3 libbz2.dll test program.
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4 by Yoshioka Tsuneo (tsuneo@rr.iij4u.or.jp)
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5 This file is Public Domain. Welcome any email to me.
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7 usage: minibz2 [-d] [-{1,2,..9}] [[srcfilename] destfilename]
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21 #define BZ2_LIBNAME "libbz2-1.0.2.DLL"
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23 #include <windows.h>
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24 static int BZ2DLLLoaded = 0;
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25 static HINSTANCE BZ2DLLhLib;
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26 int BZ2DLLLoadLibrary(void)
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30 if(BZ2DLLLoaded==1){return 0;}
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31 hLib=LoadLibrary(BZ2_LIBNAME);
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33 fprintf(stderr,"Can't load %s\n",BZ2_LIBNAME);
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36 BZ2_bzlibVersion=GetProcAddress(hLib,"BZ2_bzlibVersion");
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37 BZ2_bzopen=GetProcAddress(hLib,"BZ2_bzopen");
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38 BZ2_bzdopen=GetProcAddress(hLib,"BZ2_bzdopen");
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39 BZ2_bzread=GetProcAddress(hLib,"BZ2_bzread");
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40 BZ2_bzwrite=GetProcAddress(hLib,"BZ2_bzwrite");
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41 BZ2_bzflush=GetProcAddress(hLib,"BZ2_bzflush");
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42 BZ2_bzclose=GetProcAddress(hLib,"BZ2_bzclose");
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43 BZ2_bzerror=GetProcAddress(hLib,"BZ2_bzerror");
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45 if (!BZ2_bzlibVersion || !BZ2_bzopen || !BZ2_bzdopen
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46 || !BZ2_bzread || !BZ2_bzwrite || !BZ2_bzflush
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47 || !BZ2_bzclose || !BZ2_bzerror) {
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48 fprintf(stderr,"GetProcAddress failed.\n");
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56 int BZ2DLLFreeLibrary(void)
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58 if(BZ2DLLLoaded==0){return 0;}
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59 FreeLibrary(BZ2DLLhLib);
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66 puts("usage: minibz2 [-d] [-{1,2,..9}] [[srcfilename] destfilename]");
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69 int main(int argc,char *argv[])
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77 if(BZ2DLLLoadLibrary()<0){
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78 fprintf(stderr,"Loading of %s failed. Giving up.\n", BZ2_LIBNAME);
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81 printf("Loading of %s succeeded. Library version is %s.\n",
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82 BZ2_LIBNAME, BZ2_bzlibVersion() );
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84 while(++argv,--argc){
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85 if(**argv =='-' || **argv=='/'){
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88 for(p=*argv+1;*p;p++){
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91 }else if('1'<=*p && *p<='9'){
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120 BZFILE *BZ2fp_r = NULL;
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124 if((fp_w = fopen(fn_w,"wb"))==NULL){
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125 printf("can't open [%s]\n",fn_w);
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132 if((fn_r == NULL && (BZ2fp_r = BZ2_bzdopen(fileno(stdin),"rb"))==NULL)
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133 || (fn_r != NULL && (BZ2fp_r = BZ2_bzopen(fn_r,"rb"))==NULL)){
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134 printf("can't bz2openstream\n");
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137 while((len=BZ2_bzread(BZ2fp_r,buff,0x1000))>0){
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138 fwrite(buff,1,len,fp_w);
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140 BZ2_bzclose(BZ2fp_r);
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141 if(fp_w != stdout) fclose(fp_w);
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143 BZFILE *BZ2fp_w = NULL;
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147 if((fp_r = fopen(fn_r,"rb"))==NULL){
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148 printf("can't open [%s]\n",fn_r);
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156 mode[1] = '0' + level;
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159 if((fn_w == NULL && (BZ2fp_w = BZ2_bzdopen(fileno(stdout),mode))==NULL)
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160 || (fn_w !=NULL && (BZ2fp_w = BZ2_bzopen(fn_w,mode))==NULL)){
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161 printf("can't bz2openstream\n");
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164 while((len=fread(buff,1,0x1000,fp_r))>0){
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165 BZ2_bzwrite(BZ2fp_w,buff,len);
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167 BZ2_bzclose(BZ2fp_w);
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168 if(fp_r!=stdin)fclose(fp_r);
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172 BZ2DLLFreeLibrary();
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