OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 .gitignore	162 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 Kbuild.include	18.36 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 Lindent	502 bytes	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 Makefile	1.9 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 Makefile.asm-generic	1.17 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 Makefile.build	20.68 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 Makefile.clean	2.96 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 Makefile.dtbinst	1.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 Makefile.extrawarn	2.9 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 Makefile.gcc-plugins	3.75 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 Makefile.headersinst	3.98 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 Makefile.host	6.23 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 Makefile.kasan	1.09 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 Makefile.kcov	201 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 Makefile.lib	15.25 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 Makefile.modbuiltin	1.82 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 Makefile.modinst	1.52 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 Makefile.modpost	5.43 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 Makefile.modsign	1.02 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 Makefile.ubsan	1.07 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 adjust_autoksyms.sh	3.09 KB	06/16/2023 05:32:39 PM	rwxr-xr-x
📄 asn1_compiler.c	35.54 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 basic	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 bloat-o-meter	3.22 KB	06/16/2023 05:32:39 PM	rwxr-xr-x
📄 bootgraph.pl	6.28 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 check_00index.sh	1.3 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 check_extable.sh	4.93 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 checkincludes.pl	1.94 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 checkkconfigsymbols.py	15.51 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 checkpatch.pl	186.79 KB	06/16/2023 05:32:39 PM	rwxr-xr-x
📄 checkstack.pl	5.49 KB	06/16/2023 05:32:39 PM	rwxr-xr-x
📄 checksyscalls.sh	5.68 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 checkversion.pl	1.9 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 cleanfile	3.46 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 cleanpatch	5.06 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 coccicheck	7.24 KB	06/16/2023 05:32:39 PM	rwxr-xr-x
📁 coccinelle	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 config	4.64 KB	06/16/2023 05:32:39 PM	rwxr-xr-x
📄 conmakehash.c	5.98 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 const_structs.checkpatch	964 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 decode_stacktrace.sh	3.82 KB	06/16/2023 05:32:39 PM	rwxr-xr-x
📄 decodecode	2.3 KB	06/16/2023 05:32:39 PM	rwxr-xr-x
📄 depmod.sh	1.94 KB	06/16/2023 05:32:39 PM	rwxr-xr-x
📄 diffconfig	3.72 KB	06/16/2023 05:32:39 PM	rwxr-xr-x
📄 documentation-file-ref-check	395 bytes	01/28/2018 09:20:33 PM	rwxr-xr-x
📁 dtc	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 export_report.pl	4.55 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 extract-cert.c	3.63 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 extract-ikconfig	1.69 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 extract-module-sig.pl	3.66 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 extract-sys-certs.pl	3.75 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 extract-vmlinux	1.6 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 extract_xc3028.pl	44.6 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 faddr2line	5.53 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 find-unused-docs.sh	1.27 KB	06/16/2023 05:32:39 PM	rwxr-xr-x
📄 gcc-goto.sh	530 bytes	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 gcc-ld	711 bytes	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 gcc-plugin.sh	1.06 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📁 gcc-plugins	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 gcc-version.sh	857 bytes	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 gcc-x86_32-has-stack-protector.sh	219 bytes	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 gcc-x86_64-has-stack-protector.sh	244 bytes	01/28/2018 09:20:33 PM	rwxr-xr-x
📁 gdb	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 gen_initramfs_list.sh	8.03 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📁 genksyms	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 get_dvb_firmware	25.22 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 get_maintainer.pl	65.03 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 gfp-translate	1.71 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 headerdep.pl	3.5 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 headers.sh	512 bytes	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 headers_check.pl	3.73 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 headers_install.sh	1.32 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 insert-sys-cert.c	13.08 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kallsyms.c	18.89 KB	06/16/2023 05:32:39 PM	rw-r--r--
📁 kconfig	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 kernel-doc	92.36 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 kmsg-doc	12.13 KB	06/16/2023 05:32:39 PM	rwxr-xr-x
📁 ksymoops	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 ld-version.sh	269 bytes	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 leaking_addresses.pl	9.65 KB	06/16/2023 05:32:39 PM	rwxr-xr-x
📄 link-vmlinux.sh	7.65 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 makelst	808 bytes	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 markup_oops.pl	8.08 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 mkcompile_h	2.74 KB	06/16/2023 05:32:39 PM	rwxr-xr-x
📄 mkmakefile	1.19 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 mksysmap	1.34 KB	06/16/2023 05:32:39 PM	rwxr-xr-x
📄 mkuboot.sh	414 bytes	01/28/2018 09:20:33 PM	rwxr-xr-x
📁 mod	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 module-common.lds	901 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 namespace.pl	13.18 KB	06/16/2023 05:32:39 PM	rwxr-xr-x
📄 objdiff	2.85 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📁 package	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 parse-maintainers.pl	3.72 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 patch-kernel	9.95 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 pnmtologo.c	11.91 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 profile2linkerlist.pl	414 bytes	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 prune-kernel	708 bytes	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 recordmcount.c	17.49 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 recordmcount.h	16.4 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 recordmcount.pl	18.41 KB	06/16/2023 05:32:39 PM	rwxr-xr-x
📁 selinux	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 setlocalversion	4.72 KB	06/16/2023 05:32:39 PM	rwxr-xr-x
📄 show_delta	2.99 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 sign-file.c	9.93 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 sortextable.c	8.35 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sortextable.h	5.48 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 spelling.txt	24.97 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sphinx-pre-install	14.04 KB	06/16/2023 05:32:39 PM	rwxr-xr-x
📄 stackdelta	1.84 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 stackusage	794 bytes	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 subarch.include	641 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📄 tags.sh	9.49 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📁 tracing	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 ubuntu-retpoline-extract-one	7.26 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 unifdef.c	34.8 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 ver_linux	2.94 KB	01/28/2018 09:20:33 PM	rwxr-xr-x
📄 xen-hypercalls.sh	386 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 xz_wrap.sh	562 bytes	01/28/2018 09:20:33 PM	rwxr-xr-x

Name

Size

Modified

Perms

📁 ..

05/09/2024 07:14:16 AM

rwxr-xr-x

📄 .gitignore

162 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 Kbuild.include

18.36 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 Lindent

502 bytes

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 Makefile

1.9 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 Makefile.asm-generic

1.17 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 Makefile.build

20.68 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 Makefile.clean

2.96 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 Makefile.dtbinst

1.09 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 Makefile.extrawarn

2.9 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 Makefile.gcc-plugins

3.75 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 Makefile.headersinst

3.98 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 Makefile.host

6.23 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 Makefile.kasan

1.09 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 Makefile.kcov

201 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 Makefile.lib

15.25 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 Makefile.modbuiltin

1.82 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 Makefile.modinst

1.52 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 Makefile.modpost

5.43 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 Makefile.modsign

1.02 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 Makefile.ubsan

1.07 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 adjust_autoksyms.sh

3.09 KB

06/16/2023 05:32:39 PM

rwxr-xr-x

📄 asn1_compiler.c

35.54 KB

01/28/2018 09:20:33 PM

rw-r--r--

📁 basic

05/09/2024 07:14:16 AM

rwxr-xr-x

📄 bloat-o-meter

3.22 KB

06/16/2023 05:32:39 PM

rwxr-xr-x

📄 bootgraph.pl

6.28 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 check_00index.sh

1.3 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 check_extable.sh

4.93 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 checkincludes.pl

1.94 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 checkkconfigsymbols.py

15.51 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 checkpatch.pl

186.79 KB

06/16/2023 05:32:39 PM

rwxr-xr-x

📄 checkstack.pl

5.49 KB

06/16/2023 05:32:39 PM

rwxr-xr-x

📄 checksyscalls.sh

5.68 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 checkversion.pl

1.9 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 cleanfile

3.46 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 cleanpatch

5.06 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 coccicheck

7.24 KB

06/16/2023 05:32:39 PM

rwxr-xr-x

📁 coccinelle

05/09/2024 07:14:16 AM

rwxr-xr-x

📄 config

4.64 KB

06/16/2023 05:32:39 PM

rwxr-xr-x

📄 conmakehash.c

5.98 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 const_structs.checkpatch

964 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 decode_stacktrace.sh

3.82 KB

06/16/2023 05:32:39 PM

rwxr-xr-x

📄 decodecode

2.3 KB

06/16/2023 05:32:39 PM

rwxr-xr-x

📄 depmod.sh

1.94 KB

06/16/2023 05:32:39 PM

rwxr-xr-x

📄 diffconfig

3.72 KB

06/16/2023 05:32:39 PM

rwxr-xr-x

📄 documentation-file-ref-check

395 bytes

01/28/2018 09:20:33 PM

rwxr-xr-x

📁 dtc

05/09/2024 07:14:16 AM

rwxr-xr-x

📄 export_report.pl

4.55 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 extract-cert.c

3.63 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 extract-ikconfig

1.69 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 extract-module-sig.pl

3.66 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 extract-sys-certs.pl

3.75 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 extract-vmlinux

1.6 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 extract_xc3028.pl

44.6 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 faddr2line

5.53 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 find-unused-docs.sh

1.27 KB

06/16/2023 05:32:39 PM

rwxr-xr-x

📄 gcc-goto.sh

530 bytes

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 gcc-ld

711 bytes

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 gcc-plugin.sh

1.06 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📁 gcc-plugins

05/09/2024 07:14:16 AM

rwxr-xr-x

📄 gcc-version.sh

857 bytes

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 gcc-x86_32-has-stack-protector.sh

219 bytes

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 gcc-x86_64-has-stack-protector.sh

244 bytes

01/28/2018 09:20:33 PM

rwxr-xr-x

📁 gdb

05/09/2024 07:14:16 AM

rwxr-xr-x

📄 gen_initramfs_list.sh

8.03 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📁 genksyms

05/09/2024 07:14:16 AM

rwxr-xr-x

📄 get_dvb_firmware

25.22 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 get_maintainer.pl

65.03 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 gfp-translate

1.71 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 headerdep.pl

3.5 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 headers.sh

512 bytes

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 headers_check.pl

3.73 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 headers_install.sh

1.32 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 insert-sys-cert.c

13.08 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 kallsyms.c

18.89 KB

06/16/2023 05:32:39 PM

rw-r--r--

📁 kconfig

05/09/2024 07:14:16 AM

rwxr-xr-x

📄 kernel-doc

92.36 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 kmsg-doc

12.13 KB

06/16/2023 05:32:39 PM

rwxr-xr-x

📁 ksymoops

05/09/2024 07:14:16 AM

rwxr-xr-x

📄 ld-version.sh

269 bytes

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 leaking_addresses.pl

9.65 KB

06/16/2023 05:32:39 PM

rwxr-xr-x

📄 link-vmlinux.sh

7.65 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 makelst

808 bytes

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 markup_oops.pl

8.08 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 mkcompile_h

2.74 KB

06/16/2023 05:32:39 PM

rwxr-xr-x

📄 mkmakefile

1.19 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 mksysmap

1.34 KB

06/16/2023 05:32:39 PM

rwxr-xr-x

📄 mkuboot.sh

414 bytes

01/28/2018 09:20:33 PM

rwxr-xr-x

📁 mod

05/09/2024 07:14:16 AM

rwxr-xr-x

📄 module-common.lds

901 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 namespace.pl

13.18 KB

06/16/2023 05:32:39 PM

rwxr-xr-x

📄 objdiff

2.85 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📁 package

05/09/2024 07:14:16 AM

rwxr-xr-x

📄 parse-maintainers.pl

3.72 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 patch-kernel

9.95 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 pnmtologo.c

11.91 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 profile2linkerlist.pl

414 bytes

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 prune-kernel

708 bytes

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 recordmcount.c

17.49 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 recordmcount.h

16.4 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 recordmcount.pl

18.41 KB

06/16/2023 05:32:39 PM

rwxr-xr-x

📁 selinux

05/09/2024 07:14:16 AM

rwxr-xr-x

📄 setlocalversion

4.72 KB

06/16/2023 05:32:39 PM

rwxr-xr-x

📄 show_delta

2.99 KB

01/28/2018 09:20:33 PM

rwxr-xr-x

📄 sign-file.c

9.93 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 sortextable.c

8.35 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 sortextable.h

5.48 KB

01/28/2018 09:20:33 PM

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Editing: headerdep.pl

#! /usr/bin/env perl
# SPDX-License-Identifier: GPL-2.0
#
# Detect cycles in the header file dependency graph
# Vegard Nossum <vegardno@ifi.uio.no>
#

use strict;
use warnings;

use Getopt::Long;

my $opt_all;
my @opt_include;
my $opt_graph;

&Getopt::Long::Configure(qw(bundling pass_through));
&GetOptions(
	help	=> \&help,
	version	=> \&version,

all	=> \$opt_all,
	"I=s"	=> \@opt_include,
	graph	=> \$opt_graph,
);

push @opt_include, 'include';
my %deps = ();
my %linenos = ();

my @headers = grep { strip($_) } @ARGV;

parse_all(@headers);

if($opt_graph) {
	graph();
} else {
	detect_cycles(@headers);
}

sub help {
	print "Usage: $0 [options] file...\n";
	print "\n";
	print "Options:\n";
	print "  --all\n";
	print "  --graph\n";
	print "\n";
	print "  -I includedir\n";
	print "\n";
	print "To make nice graphs, try:\n";
	print "  $0 --graph include/linux/kernel.h | dot -Tpng -o graph.png\n";
	exit;
}

sub version {
	print "headerdep version 2\n";
	exit;
}

# Get a file name that is relative to our include paths
sub strip {
	my $filename = shift;

for my $i (@opt_include) {
		my $stripped = $filename;
		$stripped =~ s/^$i\///;

return $stripped if $stripped ne $filename;
	}

return $filename;
}

# Search for the file name in the list of include paths
sub search {
	my $filename = shift;
	return $filename if -f $filename;

for my $i (@opt_include) {
		my $path = "$i/$filename";
		return $path if -f $path;
	}
	return;
}

sub parse_all {
	# Parse all the headers.
	my @queue = @_;
	while(@queue) {
		my $header = pop @queue;
		next if exists $deps{$header};

$deps{$header} = [] unless exists $deps{$header};

my $path = search($header);
		next unless $path;

open(my $file, '<', $path) or die($!);
		chomp(my @lines = <$file>);
		close($file);

for my $i (0 .. $#lines) {
			my $line = $lines[$i];
			if(my($dep) = ($line =~ m/^#\s*include\s*<(.*?)>/)) {
				push @queue, $dep;
				push @{$deps{$header}}, [$i + 1, $dep];
			}
		}
	}
}

sub print_cycle {
	# $cycle[n] includes $cycle[n + 1];
	# $cycle[-1] will be the culprit
	my $cycle = shift;

# Adjust the line numbers
	for my $i (0 .. $#$cycle - 1) {
		$cycle->[$i]->[0] = $cycle->[$i + 1]->[0];
	}
	$cycle->[-1]->[0] = 0;

my $first = shift @$cycle;
	my $last = pop @$cycle;

my $msg = "In file included";
	printf "%s from %s,\n", $msg, $last->[1] if defined $last;

for my $header (reverse @$cycle) {
		printf "%s from %s:%d%s\n",
			" " x length $msg,
			$header->[1], $header->[0],
			$header->[1] eq $last->[1] ? ' <-- here' : '';
	}

printf "%s:%d: warning: recursive header inclusion\n",
		$first->[1], $first->[0];
}

# Find and print the smallest cycle starting in the specified node.
sub detect_cycles {
	my @queue = map { [[0, $_]] } @_;
	while(@queue) {
		my $top = pop @queue;
		my $name = $top->[-1]->[1];

for my $dep (@{$deps{$name}}) {
			my $chain = [@$top, [$dep->[0], $dep->[1]]];

# If the dep already exists in the chain, we have a
			# cycle...
			if(grep { $_->[1] eq $dep->[1] } @$top) {
				print_cycle($chain);
				next if $opt_all;
				return;
			}

push @queue, $chain;
		}
	}
}

sub mangle {
	$_ = shift;
	s/\//__/g;
	s/\./_/g;
	s/-/_/g;
	$_;
}

# Output dependency graph in GraphViz language.
sub graph {
	print "digraph {\n";

print "\t/* vertices */\n";
	for my $header (keys %deps) {
		printf "\t%s [label=\"%s\"];\n",
			mangle($header), $header;
	}

print "\n";

print "\t/* edges */\n";
	for my $header (keys %deps) {
		for my $dep (@{$deps{$header}}) {
			printf "\t%s -> %s;\n",
				mangle($header), mangle($dep->[1]);
		}
	}

print "}\n";
}