bzip2-0.9.0cbzip2-0.9.0c

1 files changed, 163 insertions, 0 deletions

diff --git a/dlltest.c b/dlltest.c
new file mode 100644
index 0000000..ee81bcd
--- /dev/null
+++ b/dlltest.c
@@ -0,0 +1,163 @@
+/*
+        minibz2
+                libbz2.dll test program.
+                by Yoshioka Tsuneo(QWF00133@nifty.ne.jp/tsuneo-y@is.aist-nara.ac.jp)
+                This file is Public Domain.
+                welcome any email to me.
+
+        usage: minibz2 [-d] [-{1,2,..9}] [[srcfilename] destfilename]
+*/
+
+#define BZ_IMPORT
+#include "bzlib.h"
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef _WIN32
+#include <io.h>
+#endif
+
+
+#ifdef _WIN32
+
+#include <windows.h>
+static int BZ2DLLLoaded = 0;
+static HINSTANCE BZ2DLLhLib;
+int BZ2DLLLoadLibrary(void)
+{
+        HINSTANCE hLib;
+
+        if(BZ2DLLLoaded==1){return 0;}
+        hLib=LoadLibrary("libbz2.dll");
+        if(hLib == NULL){
+                puts("Can't load libbz2.dll");
+                return -1;
+        }
+        BZ2DLLLoaded=1;
+        BZ2DLLhLib=hLib;
+        bzlibVersion=GetProcAddress(hLib,"bzlibVersion");
+        bzopen=GetProcAddress(hLib,"bzopen");
+        bzdopen=GetProcAddress(hLib,"bzdopen");
+        bzread=GetProcAddress(hLib,"bzread");
+        bzwrite=GetProcAddress(hLib,"bzwrite");
+        bzflush=GetProcAddress(hLib,"bzflush");
+        bzclose=GetProcAddress(hLib,"bzclose");
+        bzerror=GetProcAddress(hLib,"bzerror");
+        return 0;
+
+}
+int BZ2DLLFreeLibrary(void)
+{
+        if(BZ2DLLLoaded==0){return 0;}
+        FreeLibrary(BZ2DLLhLib);
+        BZ2DLLLoaded=0;
+}
+#endif /* WIN32 */
+
+void usage(void)
+{
+        puts("usage: minibz2 [-d] [-{1,2,..9}] [[srcfilename] destfilename]");
+}
+
+void main(int argc,char *argv[])
+{
+        int decompress = 0;
+        int level = 9;
+        char *fn_r,*fn_w;
+
+#ifdef _WIN32
+        if(BZ2DLLLoadLibrary()<0){
+                puts("can't load dll");
+                exit(1);
+        }
+#endif
+        while(++argv,--argc){
+                if(**argv =='-' || **argv=='/'){
+                        char *p;
+
+                        for(p=*argv+1;*p;p++){
+                                if(*p=='d'){
+                                        decompress = 1;
+                                }else if('1'<=*p && *p<='9'){
+                                        level = *p - '0';
+                                }else{
+                                        usage();
+                                        exit(1);
+                                }
+                        }
+                }else{
+                        break;
+                }
+        }
+        if(argc>=1){
+                fn_r = *argv;
+                argc--;argv++;
+        }else{
+                fn_r = NULL;
+        }
+        if(argc>=1){
+                fn_w = *argv;
+                argc--;argv++;
+        }else{
+                fn_w = NULL;
+        }
+        {
+                int len;
+                char buff[0x1000];
+                char mode[10];
+
+                if(decompress){
+                        BZFILE *BZ2fp_r;
+                        FILE *fp_w;
+
+                        if(fn_w){
+                                if((fp_w = fopen(fn_w,"wb"))==NULL){
+                                        printf("can't open [%s]\n",fn_w);
+                                        perror("reason:");
+                                        exit(1);
+                                }
+                        }else{
+                                fp_w = stdout;
+                        }
+                        if((BZ2fp_r == NULL && (BZ2fp_r = bzdopen(fileno(stdin),"rb"))==NULL)
+                                || (BZ2fp_r != NULL && (BZ2fp_r = bzopen(fn_r,"rb"))==NULL)){
+                                printf("can't bz2openstream\n");
+                                exit(1);
+                        }
+                        while((len=bzread(BZ2fp_r,buff,0x1000))>0){
+                                fwrite(buff,1,len,fp_w);
+                        }
+                        bzclose(BZ2fp_r);
+                        if(fp_w != stdout) fclose(fp_w);
+                }else{
+                        BZFILE *BZ2fp_w;
+                        FILE *fp_r;
+
+                        if(fn_r){
+                                if((fp_r = fopen(fn_r,"rb"))==NULL){
+                                        printf("can't open [%s]\n",fn_r);
+                                        perror("reason:");
+                                        exit(1);
+                                }
+                        }else{
+                                fp_r = stdin;
+                        }
+                        mode[0]='w';
+                        mode[1] = '0' + level;
+                        mode[2] = '\0';
+
+                        if((fn_w == NULL && (BZ2fp_w = bzdopen(fileno(stdout),mode))==NULL)
+                                || (fn_w !=NULL && (BZ2fp_w = bzopen(fn_w,mode))==NULL)){
+                                printf("can't bz2openstream\n");
+                                exit(1);
+                        }
+                        while((len=fread(buff,1,0x1000,fp_r))>0){
+                                bzwrite(BZ2fp_w,buff,len);
+                        }
+                        bzclose(BZ2fp_w);
+                        if(fp_r!=stdin)fclose(fp_r);
+                }
+        }
+#ifdef _WIN32
+        BZ2DLLFreeLibrary();
+#endif
+}