int main(int argc, char *argv[]){
char*gcf_name;
archive_t gcf=NULL;
RTinitPopt(&argc,&argv,options,1,-1,&gcf_name,NULL,"([-c] <gcf> (<dir>|<file>)*) | (-x <gcf> [<dir>|<pattern>])",
"Tool for creating and extracting GCF archives\n\nOptions");
compression_policy_compile(policy);
if (operation==GCF_EXTRACT) {
char *out_name=RTinitNextArg();
archive_t dir;
if(out_name){
if(RTinitNextArg()){
Fatal(1,error,"extraction uses gcf -x <gcf> [<dir>|<pattern>]");
}
if (strstr(out_name,"%s")) {
dir=arch_fmt(out_name,file_input,file_output,blocksize);
} else {
dir=arch_dir_create(out_name,blocksize,force?DELETE_ALL:DELETE_NONE);
}
} else {
dir=arch_dir_open(".",blocksize);
}
if (is_a_dir(gcf_name)){
gcf=arch_dir_open(gcf_name,blocksize);
} else {
gcf=arch_gcf_read(raf_unistd(gcf_name));
}
archive_copy(gcf,"auto",dir,NULL,blocksize);
arch_close(&dir);
arch_close(&gcf);
} else {
if (operation==GCF_FILE){
gcf=arch_gcf_create(raf_unistd(gcf_name),blocksize,blocksize*blockcount,0,1);
} else {
gcf=arch_dir_create(gcf_name,blocksize,force?DELETE_ALL:DELETE_NONE);
}
for(;;){
char *input_name=RTinitNextArg();
if (!input_name) break;
if (is_a_dir(input_name)){
Warning(info,"copying contents of %s",input_name);
archive_t dir=arch_dir_open(input_name,blocksize);
archive_copy(dir,NULL,gcf,get_compression,blocksize);
arch_close(&dir);
} else {
Warning(info,"copying %s",input_name);
stream_t is=file_input(input_name);
stream_t os=arch_write(gcf,input_name,get_compression(input_name),1);
char buf[blocksize];
for(;;){
int len=stream_read_max(is,buf,blocksize);
if (len) stream_write(os,buf,len);
if(len<blocksize) break;
}
stream_close(&is);
stream_close(&os);
}
}
arch_close(&gcf);
}
}
static void gcf_compress(){
char*source;
char target[LTSMIN_PATHNAME_MAX];
while((source=HREnextArg())){
if (is_a_file(source)){
sprintf(target,"%s.gzf",source);
stream_t is=file_input(source);
stream_t os=file_output(target);
char *code=SSMcall(compression_policy,source);
DSwriteS(os,code);
os=stream_add_code(os,code);
char buf[blocksize];
for(;;){
int len=stream_read_max(is,buf,blocksize);
if (len) stream_write(os,buf,len);
if(len<blocksize) break;
}
stream_close(&is);
stream_close(&os);
if (!keep) recursive_erase(source);
} else if (is_a_dir(source)){
sprintf(target,"%s.gcf",source);
archive_t arch_in=arch_dir_open(source,blocksize);
archive_t arch_out=arch_gcf_create(raf_unistd(target),blocksize,blocksize*blockcount,0,1);
archive_copy(arch_in,arch_out,compression_policy,blocksize,NULL);
arch_close(&arch_in);
arch_close(&arch_out);
if (!keep) recursive_erase(source);
} else {
Abort("source %s is neither a file nor a directory",source);
}
}
}
static void gcf_create(){
char *gcf_name=HREnextArg();
if (gcf_name==NULL) {
Abort("missing <gcf archive> argument");
}
archive_t arch=arch_gcf_create(raf_unistd(gcf_name),blocksize,blocksize*blockcount,0,1);
char*file;
while((file=HREnextArg())){
if (is_a_file(file)){
stream_t is=file_input(file);
stream_t os=arch_write_apply(arch,file,SSMcall(compression_policy,file));
char buf[blocksize];
for(;;){
int len=stream_read_max(is,buf,blocksize);
if (len) stream_write(os,buf,len);
if(len<blocksize) break;
}
stream_close(&is);
stream_close(&os);
} else {
Abort("cannot add %s because it is not a file",file);
}
}
arch_close(&arch);
}
static int copy_item(void*arg,int id,char*name){
(void)id;
copy_context_t ctx=(copy_context_t)arg;
Warning(info,"copying %s",name);
char*compression=ctx->encode?ctx->encode(name):NULL;
Warning(debug,"compression method is %s",compression);
stream_t is=arch_read(ctx->src,name,ctx->decode);
stream_t os=arch_write(ctx->dst,name,compression,1);
char buf[ctx->bs];
for(;;){
int len=stream_read_max(is,buf,ctx->bs);
if (len) stream_write(os,buf,len);
if(len<ctx->bs) break;
}
stream_close(&is);
stream_close(&os);
return 0;
}
static int copy_item(void*arg,int id,const char*name){
(void)id;
copy_context_t ctx=(copy_context_t)arg;
Print(info,"copying %s",name);
char*compression=SSMcall(ctx->encode,name);
Print(debug,"compression method is %s",compression);
stream_t is=arch_read(ctx->src,(char*)name);
stream_t os=arch_write_apply(ctx->dst,(char*)name,compression);
char buf[ctx->bs];
for(;;){
int len=stream_read_max(is,buf,ctx->bs);
if (len) stream_write(os,buf,len);
if(len<ctx->bs) break;
}
stream_close(&is);
stream_close(&os);
return 0;
}
static size_t gzip_read_max(stream_t stream,void*buf,size_t count){
stream->rd.next_out=buf;
stream->rd.avail_out=count;
int res;
do {
if (stream->rd.avail_in==0){
stream->rd.next_in=stream->rd_buf;
stream->rd.avail_in=stream_read_max(stream->s,stream->rd_buf,stream->bufsize);
}
if (stream->compress){
res=inflate(&stream->rd, Z_NO_FLUSH);
} else {
res=deflate(&stream->rd, Z_NO_FLUSH);
}
if(res!=Z_OK && res!=Z_STREAM_END){
Abort("compression error %d %s",res,zError(res));
}
} while(stream->rd.avail_out && res!=Z_STREAM_END);
return (count-stream->rd.avail_out);
}
static void gcf_decompress(){
char*source;
char target[LTSMIN_PATHNAME_MAX];
while((source=HREnextArg())){
if (has_extension(source,".gzf")){
strncpy(target,source,strlen(source)-4);
target[strlen(source)-4]=0;
stream_t is=file_input(source);
stream_t os=file_output(target);
char *code=DSreadSA(is);
is=stream_add_code(is,code);
char buf[blocksize];
for(;;){
int len=stream_read_max(is,buf,blocksize);
if (len) stream_write(os,buf,len);
if(len<blocksize) break;
}
stream_close(&is);
stream_close(&os);
if (!keep) recursive_erase(source);
} else if (has_extension(source,".gcf")||has_extension(source,".zip")){
strncpy(target,source,strlen(source)-4);
target[strlen(source)-4]=0;
archive_t arch_in;
if (has_extension(source,".gcf")){
arch_in=arch_gcf_read(raf_unistd(source));
} else {
arch_in=arch_zip_read(source,blocksize);
}
archive_t arch_out=arch_dir_create(target,blocksize,force?DELETE_ALL:DELETE_NONE);
archive_copy(arch_in,arch_out,NULL,blocksize,NULL);
arch_close(&arch_in);
arch_close(&arch_out);
if (!keep) recursive_erase(source);
} else {
Abort("source %s does not have known extension",source);
}
}
}