static void gcf_list(){
char *gcf_name=HREnextArg();
if (gcf_name==NULL) {
Abort("missing <gcf archive> argument");
}
if (HREnextArg()){
Abort("too many arguments");
}
raf_t raf=raf_unistd(gcf_name);
archive_t gcf=arch_gcf_read(raf);
struct arch_enum_callbacks cb={.stat=list_item};
struct list_count totals={0,0,0};
Printf(infoShort,"Archive %s contains:\n",gcf_name);
Printf(infoShort," stream size compressed stream name (compression)\n");
arch_enum_t e=arch_enum(gcf,NULL);
if (arch_enumerate(e,&cb,&totals)){
Abort("unexpected non-zero return");
}
Printf(infoShort,"totals:\n");
Printf(infoShort,"%12zd %12zd files: %d (%3.2f%%)\n",
(ssize_t)totals.total_orig,(ssize_t)totals.total_compressed,totals.files,
100.0*((float)(totals.total_orig-totals.total_compressed))/((float)totals.total_orig));
arch_enum_free(&e);
uint64_t gcf_size=raf_size(raf);
Printf(infoShort,"gcf file size%12zu (%3.2f%% overhead, %3.2f%% compression)\n",(size_t)gcf_size,
100.0*((float)(gcf_size-totals.total_compressed))/((float)totals.total_compressed),
100.0*(((float)totals.total_orig)-((float)gcf_size))/((float)totals.total_orig));
arch_close(&gcf);
}
static void archive_copy(archive_t src,archive_t dst,string_map_t encode,int blocksize,char*pattern){
struct arch_enum_callbacks cb={.new_item=copy_item};
struct copy_context ctx;
ctx.encode=encode;
ctx.src=src;
ctx.dst=dst;
ctx.bs=blocksize;
arch_enum_t e=arch_enum(src,pattern);
if (arch_enumerate(e,&cb,&ctx)){
Abort("unexpected non-zero return");
}
arch_enum_free(&e);
}
static void archive_copy(archive_t src,char*decode,archive_t dst,char*(*encode)(char*),int blocksize){
struct arch_enum_callbacks cb;
cb.new_item=copy_item;
cb.end_item=NULL;
cb.data=NULL;
struct copy_context ctx;
ctx.decode=decode;
ctx.encode=encode;
ctx.src=src;
ctx.dst=dst;
ctx.bs=blocksize;
arch_enum_t e=arch_enum(src,NULL);
if (arch_enumerate(e,&cb,&ctx)){
Fatal(1,error,"unexpected non-zero return");
}
arch_enum_free(&e);
}