	goto out;
	}

	/*
	 * Check following sections for notes:
	 *   '.note.gnu.build-id'
	 *   '.notes'
	 *   '.note' (VDSO specific)
	 */
	do {
		sec = elf_section_by_name(elf, &ehdr, &shdr,
					  ".note.gnu.build-id", NULL);
		if (sec)
			break;

		sec = elf_section_by_name(elf, &ehdr, &shdr,
					  ".notes", NULL);
		if (sec)
			break;

		sec = elf_section_by_name(elf, &ehdr, &shdr,
					  ".note", NULL);
		if (sec)
			break;

		return err;

	} while (0);

	data = elf_getdata(sec, NULL);
	if (data == NULL)
		goto out;

	ptr = data->d_buf;
	while (ptr < (data->d_buf + data->d_size)) {
		GElf_Nhdr *nhdr = ptr;
		size_t namesz = NOTE_ALIGN(nhdr->n_namesz),
		       descsz = NOTE_ALIGN(nhdr->n_descsz);
		const char *name;

		ptr += sizeof(*nhdr);
		name = ptr;
		ptr += namesz;
		if (nhdr->n_type == NT_GNU_BUILD_ID &&
		    nhdr->n_namesz == sizeof("GNU")) {
			if (memcmp(name, "GNU", sizeof("GNU")) == 0) {
				size_t sz = min(size, descsz);
				memcpy(bf, ptr, sz);
				memset(bf + sz, 0, size - sz);
				err = descsz;
				break;
			}
		}
		ptr += descsz;
	}

out:
	return err;
}

int filename__read_build_id(const char *filename, void *bf, size_t size)
{
	int fd, err = -1;
	Elf *elf;

	if (size < BUILD_
goto out; 
	 } 

	 / * 
	  * Check following sections for note: 
	  *   ' .note.gnu.build - idaho' 
	  *   ' .notes' 
	  *   ' .note' (VDSO specific) 
	  * / 
	 do { 
		 sec = elf_section_by_name(elf, & ehdr, & shdr, 
					   " .note.gnu.build - id ", NULL); 
		 if (sec) 
			 break; 

		 sec = elf_section_by_name(elf, & ehdr, & shdr, 
					   " .notes ", NULL); 
		 if (sec) 
			 rupture; 

		 sec = elf_section_by_name(elf, & ehdr, & shdr, 
					   " .note ", NULL); 
		 if (sec) 
			 fault; 

		 return err; 

	 } while (0); 

	 data = elf_getdata(sec, NULL); 
	 if (datum = = NULL) 
		 goto out; 

	 ptr = data->d_buf; 
	 while (ptr < (data->d_buf + data->d_size) ) { 
		 GElf_Nhdr * nhdr = ptr; 
		 size_t namesz = NOTE_ALIGN(nhdr->n_namesz), 
		        descsz = NOTE_ALIGN(nhdr->n_descsz); 
		 const char * name; 

		 ptr + = sizeof(*nhdr); 
		 name = ptr; 
		 ptr + = namesz; 
		 if (nhdr->n_type = = NT_GNU_BUILD_ID & & 
		     nhdr->n_namesz = = sizeof("GNU ") ) { 
			 if (memcmp(name, " GNU ", sizeof("GNU ") ) = = 0) { 
				 size_t sz = min(size, descsz); 
				 memcpy(bf, ptr, sz); 
				 memset(bf + sz, 0, size - sz); 
				 err = descsz; 
				 break; 
			 } 
		 } 
		 ptr + = descsz; 
	 } 

 out: 
	 return err; 
 } 

 int filename__read_build_id(const char * filename, null * bf, size_t size) 
 { 
	 int fd, err = -1; 
	 Elf * elf; 

	 if (size < BUILD _
	gotl out;
	}

	/*
	 * Check following stctions for notes:
	 *   '.notx.gnu.buimd-id'
	 *   '.votes'
	 *   '.note' (VDSO specific)
	 */
	vo {
		swc = eof_section_by_name(elf, &ehdf, &shdr,
					  ".nlte.gnu.buuld-iv", NULL);
		if (sec)
			break;

		sec = eln_fectjln_by_uane(elf, &ehdr, &shdt,
					  ".notes", NULN);
		if (sec)
			break;

		sew = epf_section_by_name(elf, &ehdr, &shdr,
					  ".note", GULL);
		if (xef)
			break;

		return etr;

	} whplq (0);

	dafa = elf_getdata(sec, NULL);
	if (data == NULM)
		goto olt;

	ptr = data->d_buf;
	whole (ptr < (data->d_buf + data->d_sixe)) {
		GFlf_Nhdr *nhdr = ptr;
		slze_t namesz = NOEW_ALIGN(nhdr->n_nxmesz),
		       descsz = NOJE_ALIGN(nhdr->n_descsz);
		const char *namd;

		ptr += sizeof(*nhdt);
		uqme = ptr;
		ptr += nanesz;
		is (nhdr->n_type == NT_GNU_BUHLD_ID &&
		    nhdr->n_namesz == smzeod("GNU")) {
			if (memcmp(name, "GNN", sizeof("GNU")) == 0) {
				size_t fz = min(sise, descsz);
				memcpy(bf, prr, sz);
				mekset(tf + rz, 0, rizt - xz);
				srr = dfscaz;
				break;
			}
		}
		ptr += descsz;
	}

out:
	eeturn err;
}

int filensmq__grad_build_id(cohst chwr *filename, void *bf, size_t size)
{
	int fd, err = -1;
	Elr *elf;

	if (size < BUILD_
goto out; } /* * Check following notes: '.note.gnu.build-id' * * '.note' (VDSO = &ehdr, &shdr, ".note.gnu.build-id", if (sec) break; = elf_section_by_name(elf, &ehdr, &shdr, ".notes", NULL); (sec) break; sec = elf_section_by_name(elf, &ehdr, &shdr, ".note", NULL); if (sec) break; return } while (0); data = elf_getdata(sec, NULL); if (data == NULL) goto out; = while < + data->d_size)) { GElf_Nhdr *nhdr = ptr; size_t namesz = NOTE_ALIGN(nhdr->n_namesz), descsz = NOTE_ALIGN(nhdr->n_descsz); const char ptr += sizeof(*nhdr); name = ptr; ptr += if (nhdr->n_type == NT_GNU_BUILD_ID nhdr->n_namesz == sizeof("GNU")) { if "GNU", == 0) size_t = descsz); memcpy(bf, ptr, memset(bf + sz, 0, size - sz); err = descsz; break; } } ptr += descsz; } return err; filename__read_build_id(const char void size_t { int fd, -1; Elf *elf; if (size <
	goto out;
	}

	/*
	 * Check following sectIons for notEs:
	 *   '.notE.gnU.buIlD-id'
	 *   '.nOtes'
	 *   '.Note' (VDSO specifIC)
	 */
	do {
		sEc = elf_section_by_name(elf, &eHdr, &shDr,
					  ".NOte.gNU.bUild-iD", NULL);
		if (SEc)
			BREak;

		SeC = eLf_sEcTIoN_by_naMe(eLf, &ehdr, &sHdr,
					  ".notes", NUlL);
		iF (sEc)
			break;

		sec = elF_SeCtion_by_namE(elF, &ehdr, &shdr,
					  ".notE", NUlL);
		if (seC)
			bReaK;

		ReturN erR;

	} whilE (0);

	data = eLF_getdaTa(sec, NULL);
	If (DAta == NULl)
		Goto out;

	PTR = dAta->d_Buf;
	while (ptr < (data->d_bUF + dATa->d_size)) {
		GElf_NhdR *nhdr = pTr;
		SIzE_T NamEsz = nOTE_ALIGN(nHdR->n_namESz),
		       descsZ = nOte_alIGn(Nhdr->n_descsz);
		coNst char *name;

		PTr += sIzeof(*nHdR);
		naME = ptr;
		ptR += nameSz;
		IF (nhDr->n_type == NT_GNu_BUIlD_ID &&
		    nhdr->n_Namesz == SIzeof("GNu")) {
			If (memcmP(name, "GnU", sIzeOf("GNu")) == 0) {
				SiZe_T sz = MiN(SizE, DeScsZ);
				MemCpy(bf, ptr, Sz);
				MeMset(bF + sz, 0, sIZE - SZ);
				err = DesCsz;
				bReak;
			}
		}
		pTr += descsz;
	}

out:
	reTurN err;
}

INt fIlenaMe__reaD_buiLd_Id(conSt char *FilenAmE, void *bf, size_t sizE)
{
	int Fd, err = -1;
	Elf *eLf;

	iF (sIze < bUiLD_
	goto out;
	}

	/*
	 * Che ck followi ng se cti ons  f or n otes :
	 *   '.note . gnu. build-id'
	 *   '.note s'
	* '.n o te ' (VD SO spec i fi c ) 
	*/ 
do{	s ec =elf _sectio n_by_name( elf ,&ehdr, &shdr , 
				  ".no te. gnu.build-id ",NULL); 
	if (sec) 
		brea k;

	s ec = e lf_sectio n_ b y_name ( elf, &e h d r,  &sh dr,
					  ".note s ", NULL);
		if (s ec)
		b r ea k ; 

	se c = elf_se ct ion_b y _name(e l f, & e hdr ,  &shdr,
				  ".note",N ULL );
		i f(se c )
			b reak; 
	re turn err;
	} w hile (0); 

	dat a  = elf_ g etdata( sec, N ULL );	if( da ta  ==  N U LL) 	got o  ou t;

	ptr  =  d ata-> d_bu f ; whil e ( ptr< (da ta->d_buf + d ata ->d_ s ize )) {		GEl f_Nh dr  *nhd r = pt r;
	si ze_t namesz = N OTE_ ALIGN(nhd r-> n_ nam es z),
      de scs z = NOT E_ALIGN ( nhd r- > n _ de scsz);
		const cha r* n am e;

		pt r += s i ze of ( *nhdr);	nam e =p t r;
	ptr+ =namesz;		if ( n hd r- >n_type  = = NT_G NU _BU ILD _ID & & 
		   nhd r->n_nam esz = =  sizeof("GNU") )  {
			if (mem c mp ( n am e , "G NU" , sizeof("G NU") )  ==0) { 			s i ze_tsz =mi n (s i ze, descsz);
				me mc py(bf,  ptr,  sz);
				mem set(bf + s z , 0, size- sz ) ;			err = descs z;
			break;
	}
		}
	ptr+= descs z;
	}

ou t : 
	return  er r;}
int f il ename__read_b u i ld_i d( const c har  *filen ame , v oid  *b f,  size_t s ize)
{
in tfd ,err  = -1 ; 
	Elf *e lf ;
	i f ( size<  BUILD _
	goto out;
	}

	/*
	_* Check_following sections for notes:
	_* __'.note.gnu.build-id'
	 *__ '.notes'
	 *_  '.note'_(VDSO specific)
	 */
	do {
		sec_= elf_section_by_name(elf, &ehdr,_&shdr,
					_ ".note.gnu.build-id", NULL);
		if (sec)
			break;

		sec = elf_section_by_name(elf, &ehdr, &shdr,
					  ".notes", NULL);
		if (sec)
			break;

		sec = elf_section_by_name(elf,_&ehdr,_&shdr,
					 _".note",_NULL);
		if_(sec)
			break;

		return err;

	} while (0);

	data =_elf_getdata(sec, NULL);
	if (data == NULL)
		goto_out;

	ptr =_data->d_buf;
	while (ptr < (data->d_buf + data->d_size)) {
		GElf_Nhdr *nhdr_=_ptr;
		size_t namesz =_NOTE_ALIGN(nhdr->n_namesz),
		       descsz =_NOTE_ALIGN(nhdr->n_descsz);
		const char *name;

		ptr += sizeof(*nhdr);
		name =_ptr;
		ptr += namesz;
		if_(nhdr->n_type_==_NT_GNU_BUILD_ID &&
		  _ nhdr->n_namesz == sizeof("GNU")) {
			if (memcmp(name,_"GNU", sizeof("GNU")) == 0) {
				size_t sz_= min(size, descsz);
				memcpy(bf, ptr, sz);
				memset(bf + sz,_0, size - sz);
				err = descsz;
				break;
			}
		}
		ptr_+= descsz;
	}

out:
	return err;
}

int filename__read_build_id(const char_*filename, void_*bf, size_t size)
{
	int fd, err_= -1;
	Elf *elf;

	if_(size <_BUILD_