[libgpiod v2][PATCH v5 1/6] tools: remove old code to simplify review

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Remove functions that are so heavily modified in the subsequent patch
that they are effectively complete re-writes, so the old code just
obfuscates the new.

The gpiofind tool is removed completely, as its functionality is
absorbed into the other tools.

Signed-off-by: Kent Gibson <warthog618@xxxxxxxxx>
---
 man/Makefile.am            |   2 +-
 tools/.gitignore           |   1 -
 tools/Makefile.am          |   4 +-
 tools/gpio-tools-test.bats | 893 -------------------------------------
 tools/gpiodetect.c         |  79 ----
 tools/gpiofind.c           |  93 ----
 tools/gpioget.c            | 153 -------
 tools/gpioinfo.c           | 240 ----------
 tools/gpiomon.c            | 314 -------------
 tools/gpioset.c            | 330 --------------
 tools/tools-common.c       |  81 ----
 11 files changed, 2 insertions(+), 2188 deletions(-)
 delete mode 100644 tools/gpiofind.c

diff --git a/man/Makefile.am b/man/Makefile.am
index 4d2c29b..8d1d9b3 100644
--- a/man/Makefile.am
+++ b/man/Makefile.am
@@ -3,7 +3,7 @@
 
 if WITH_MANPAGES
 
-dist_man1_MANS = gpiodetect.man gpioinfo.man gpioget.man gpioset.man gpiofind.man gpiomon.man
+dist_man1_MANS = gpiodetect.man gpioinfo.man gpioget.man gpioset.man gpiomon.man
 
 %.man: $(top_builddir)/tools/$(*F)
 	help2man $(top_builddir)/tools/$(*F) --include=$(srcdir)/template --output=$(builddir)/$@ --no-info
diff --git a/tools/.gitignore b/tools/.gitignore
index 0d53de9..d6b2f44 100644
--- a/tools/.gitignore
+++ b/tools/.gitignore
@@ -6,4 +6,3 @@ gpioinfo
 gpioget
 gpioset
 gpiomon
-gpiofind
diff --git a/tools/Makefile.am b/tools/Makefile.am
index 4a13266..fc074b9 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -9,7 +9,7 @@ libtools_common_la_SOURCES = tools-common.c tools-common.h
 
 LDADD = libtools-common.la $(top_builddir)/lib/libgpiod.la
 
-bin_PROGRAMS = gpiodetect gpioinfo gpioget gpioset gpiomon gpiofind
+bin_PROGRAMS = gpiodetect gpioinfo gpioget gpioset gpiomon
 
 gpiodetect_SOURCES = gpiodetect.c
 
@@ -21,8 +21,6 @@ gpioset_SOURCES = gpioset.c
 
 gpiomon_SOURCES = gpiomon.c
 
-gpiofind_SOURCES = gpiofind.c
-
 EXTRA_DIST = gpio-tools-test gpio-tools-test.bats
 
 if WITH_TESTS
diff --git a/tools/gpio-tools-test.bats b/tools/gpio-tools-test.bats
index a259eae..d200df1 100755
--- a/tools/gpio-tools-test.bats
+++ b/tools/gpio-tools-test.bats
@@ -220,896 +220,3 @@ teardown() {
 	gpiosim_cleanup
 }
 
-#
-# gpiodetect test cases
-#
-
-@test "gpiodetect: list chips" {
-	gpiosim_chip sim0 num_lines=4
-	gpiosim_chip sim1 num_lines=8
-	gpiosim_chip sim2 num_lines=16
-
-	run_tool gpiodetect
-
-	test "$status" -eq 0
-	output_contains_line "$(gpiosim_chip_name sim0) [$(gpiosim_dev_name sim0)-node0] (4 lines)"
-	output_contains_line "$(gpiosim_chip_name sim1) [$(gpiosim_dev_name sim1)-node0] (8 lines)"
-	output_contains_line "$(gpiosim_chip_name sim2) [$(gpiosim_dev_name sim2)-node0] (16 lines)"
-}
-
-@test "gpiodetect: invalid args" {
-	run_tool gpiodetect unimplemented-arg
-	test "$status" -eq 1
-}
-
-#
-# gpioinfo test cases
-#
-
-@test "gpioinfo: dump all chips" {
-	gpiosim_chip sim0 num_lines=4
-	gpiosim_chip sim1 num_lines=8
-
-	run_tool gpioinfo
-
-	test "$status" -eq 0
-	output_contains_line "$(gpiosim_chip_name sim0) - 4 lines:"
-	output_contains_line "$(gpiosim_chip_name sim1) - 8 lines:"
-
-	output_regex_match "\\s+line\\s+0:\\s+unnamed\\s+unused\\s+input\\s+active-high"
-	output_regex_match "\\s+line\\s+7:\\s+unnamed\\s+unused\\s+input\\s+active-high"
-}
-
-@test "gpioinfo: dump all chips with one line exported" {
-	gpiosim_chip sim0 num_lines=4
-	gpiosim_chip sim1 num_lines=8
-
-	coproc_run_tool gpioset --mode=signal --active-low "$(gpiosim_chip_name sim1)" 7=1
-
-	run_tool gpioinfo
-
-	test "$status" -eq 0
-	output_contains_line "$(gpiosim_chip_name sim0) - 4 lines:"
-	output_contains_line "$(gpiosim_chip_name sim1) - 8 lines:"
-	output_regex_match "\\s+line\\s+0:\\s+unnamed\\s+unused\\s+input\\s+active-high"
-	output_regex_match "\\s+line\\s+7:\\s+unnamed\\s+\\\"gpioset\\\"\\s+output\\s+active-low"
-
-	coproc_tool_kill
-	coproc_tool_wait
-}
-
-@test "gpioinfo: dump one chip" {
-	gpiosim_chip sim0 num_lines=8
-	gpiosim_chip sim1 num_lines=4
-
-	run_tool gpioinfo "$(gpiosim_chip_name sim1)"
-
-	test "$status" -eq 0
-	assert_fail output_contains_line "$(gpiosim_chip_name sim0) - 8 lines:"
-	output_contains_line "$(gpiosim_chip_name sim1) - 4 lines:"
-	output_regex_match "\\s+line\\s+0:\\s+unnamed\\s+unused\\s+input\\s+active-high"
-	assert_fail output_regex_match "\\s+line\\s+7:\\s+unnamed\\s+unused\\s+input\\s+active-high"
-}
-
-@test "gpioinfo: dump all but one chip" {
-	gpiosim_chip sim0 num_lines=4
-	gpiosim_chip sim1 num_lines=4
-	gpiosim_chip sim2 num_lines=8
-	gpiosim_chip sim3 num_lines=4
-
-	run_tool gpioinfo "$(gpiosim_chip_name sim0)" \
-			"$(gpiosim_chip_name sim1)" "$(gpiosim_chip_name sim3)"
-
-	test "$status" -eq 0
-	output_contains_line "$(gpiosim_chip_name sim0) - 4 lines:"
-	output_contains_line "$(gpiosim_chip_name sim1) - 4 lines:"
-	assert_fail output_contains_line "$(gpiosim_chip_name sim2) - 8 lines:"
-	output_contains_line "$(gpiosim_chip_name sim3) - 4 lines:"
-	output_regex_match "\\s+line\\s+0:\\s+unnamed\\s+unused\\s+input\\s+active-high"
-	assert_fail output_regex_match "\\s+line\\s+7:\\s+unnamed\\s+unused\\s+input\\s+active-high"
-}
-
-@test "gpioinfo: inexistent chip" {
-	run_tool gpioinfo "inexistent"
-
-	test "$status" -eq 1
-}
-
-#
-# gpiofind test cases
-#
-
-@test "gpiofind: line found" {
-	gpiosim_chip sim0 num_lines=4 line_name=1:foo line_name=3:bar
-	gpiosim_chip sim1 num_lines=8 line_name=0:baz line_name=4:xyz line_name=7:foobar
-	gpiosim_chip sim2 num_lines=16
-
-	run_tool gpiofind foobar
-
-	test "$status" -eq "0"
-	test "$output" = "$(gpiosim_chip_name sim1) 7"
-}
-
-@test "gpiofind: line not found" {
-	gpiosim_chip sim0 num_lines=4
-	gpiosim_chip sim1 num_lines=8
-	gpiosim_chip sim2 num_lines=16
-
-	run_tool gpiofind nonexistent-line
-
-	test "$status" -eq "1"
-}
-
-@test "gpiofind: invalid args" {
-	run_tool gpiodetect unimplemented-arg
-	test "$status" -eq 1
-}
-
-#
-# gpioget test cases
-#
-
-@test "gpioget: read all lines" {
-	gpiosim_chip sim0 num_lines=8
-
-	gpiosim_set_pull sim0 2 pull-up
-	gpiosim_set_pull sim0 3 pull-up
-	gpiosim_set_pull sim0 5 pull-up
-	gpiosim_set_pull sim0 7 pull-up
-
-	run_tool gpioget "$(gpiosim_chip_name sim0)" 0 1 2 3 4 5 6 7
-
-	test "$status" -eq "0"
-	test "$output" = "0 0 1 1 0 1 0 1"
-}
-
-@test "gpioget: read all lines (active-low)" {
-	gpiosim_chip sim0 num_lines=8
-
-	gpiosim_set_pull sim0 2 pull-up
-	gpiosim_set_pull sim0 3 pull-up
-	gpiosim_set_pull sim0 5 pull-up
-	gpiosim_set_pull sim0 7 pull-up
-
-	run_tool gpioget --active-low "$(gpiosim_chip_name sim0)" 0 1 2 3 4 5 6 7
-
-	test "$status" -eq "0"
-	test "$output" = "1 1 0 0 1 0 1 0"
-}
-
-@test "gpioget: read all lines (pull-up)" {
-	gpiosim_chip sim0 num_lines=8
-
-	gpiosim_set_pull sim0 2 pull-up
-	gpiosim_set_pull sim0 3 pull-up
-	gpiosim_set_pull sim0 5 pull-up
-	gpiosim_set_pull sim0 7 pull-up
-
-	run_tool gpioget --bias=pull-up "$(gpiosim_chip_name sim0)" 0 1 2 3 4 5 6 7
-
-	test "$status" -eq "0"
-	test "$output" = "1 1 1 1 1 1 1 1"
-}
-
-@test "gpioget: read all lines (pull-down)" {
-	gpiosim_chip sim0 num_lines=8
-
-	gpiosim_set_pull sim0 2 pull-up
-	gpiosim_set_pull sim0 3 pull-up
-	gpiosim_set_pull sim0 5 pull-up
-	gpiosim_set_pull sim0 7 pull-up
-
-	run_tool gpioget --bias=pull-down "$(gpiosim_chip_name sim0)" 0 1 2 3 4 5 6 7
-
-	test "$status" -eq "0"
-	test "$output" = "0 0 0 0 0 0 0 0"
-}
-
-@test "gpioget: read some lines" {
-	gpiosim_chip sim0 num_lines=8
-
-	gpiosim_set_pull sim0 1 pull-up
-	gpiosim_set_pull sim0 4 pull-up
-	gpiosim_set_pull sim0 6 pull-up
-
-	run_tool gpioget "$(gpiosim_chip_name sim0)" 0 1 4 6
-
-	test "$status" -eq "0"
-	test "$output" = "0 1 1 1"
-}
-
-@test "gpioget: no arguments" {
-	run_tool gpioget
-
-	test "$status" -eq "1"
-	output_regex_match ".*gpiochip must be specified"
-}
-
-@test "gpioget: no lines specified" {
-	gpiosim_chip sim0 num_lines=8
-
-	run_tool gpioget "$(gpiosim_chip_name sim0)"
-
-	test "$status" -eq "1"
-	output_regex_match ".*at least one GPIO line offset must be specified"
-}
-
-@test "gpioget: too many lines specified" {
-	gpiosim_chip sim0 num_lines=4
-
-	run_tool gpioget "$(gpiosim_chip_name sim0)" 0 1 2 3 4
-
-	test "$status" -eq "1"
-	output_regex_match ".*unable to request lines.*"
-}
-
-@test "gpioget: same line twice" {
-	gpiosim_chip sim0 num_lines=8
-
-	run_tool gpioget "$(gpiosim_chip_name sim0)" 0 0
-
-	test "$status" -eq "1"
-	output_regex_match ".*offsets must be unique"
-}
-
-@test "gpioget: invalid bias" {
-	gpiosim_chip sim0 num_lines=8
-
-	run_tool gpioget --bias=bad "$(gpiosim_chip_name sim0)" 0 1
-
-	test "$status" -eq "1"
-	output_regex_match ".*invalid bias.*"
-}
-
-#
-# gpioset test cases
-#
-
-@test "gpioset: set lines and wait for SIGTERM" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpioset --mode=signal "$(gpiosim_chip_name sim0)" \
-					0=0 1=0 2=1 3=1 4=1 5=1 6=0 7=1
-
-	gpiosim_check_value sim0 0 0
-	gpiosim_check_value sim0 1 0
-	gpiosim_check_value sim0 2 1
-	gpiosim_check_value sim0 3 1
-	gpiosim_check_value sim0 4 1
-	gpiosim_check_value sim0 5 1
-	gpiosim_check_value sim0 6 0
-	gpiosim_check_value sim0 7 1
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-}
-
-@test "gpioset: set lines and wait for SIGTERM (active-low)" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpioset --active-low --mode=signal "$(gpiosim_chip_name sim0)" \
-					0=0 1=0 2=1 3=1 4=1 5=1 6=0 7=1
-
-	gpiosim_check_value sim0 0 1
-	gpiosim_check_value sim0 1 1
-	gpiosim_check_value sim0 2 0
-	gpiosim_check_value sim0 3 0
-	gpiosim_check_value sim0 4 0
-	gpiosim_check_value sim0 5 0
-	gpiosim_check_value sim0 6 1
-	gpiosim_check_value sim0 7 0
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-}
-
-@test "gpioset: set lines and wait for SIGTERM (push-pull)" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpioset --drive=push-pull --mode=signal "$(gpiosim_chip_name sim0)" \
-					0=0 1=0 2=1 3=1 4=1 5=1 6=0 7=1
-
-	gpiosim_check_value sim0 0 0
-	gpiosim_check_value sim0 1 0
-	gpiosim_check_value sim0 2 1
-	gpiosim_check_value sim0 3 1
-	gpiosim_check_value sim0 4 1
-	gpiosim_check_value sim0 5 1
-	gpiosim_check_value sim0 6 0
-	gpiosim_check_value sim0 7 1
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-}
-
-@test "gpioset: set lines and wait for SIGTERM (open-drain)" {
-	gpiosim_chip sim0 num_lines=8
-
-	gpiosim_set_pull sim0 2 pull-up
-	gpiosim_set_pull sim0 3 pull-up
-	gpiosim_set_pull sim0 5 pull-up
-	gpiosim_set_pull sim0 7 pull-up
-
-	coproc_run_tool gpioset --drive=open-drain --mode=signal "$(gpiosim_chip_name sim0)" \
-					0=0 1=0 2=1 3=1 4=1 5=1 6=0 7=1
-
-	gpiosim_check_value sim0 0 0
-	gpiosim_check_value sim0 1 0
-	gpiosim_check_value sim0 2 1
-	gpiosim_check_value sim0 3 1
-	gpiosim_check_value sim0 4 0
-	gpiosim_check_value sim0 5 1
-	gpiosim_check_value sim0 6 0
-	gpiosim_check_value sim0 7 1
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-}
-
-@test "gpioset: set lines and wait for SIGTERM (open-source)" {
-	gpiosim_chip sim0 num_lines=8
-
-	gpiosim_set_pull sim0 2 pull-up
-	gpiosim_set_pull sim0 3 pull-up
-	gpiosim_set_pull sim0 5 pull-up
-	gpiosim_set_pull sim0 7 pull-up
-
-	coproc_run_tool gpioset --drive=open-source --mode=signal "$(gpiosim_chip_name sim0)" \
-					0=0 1=0 2=1 3=0 4=1 5=1 6=0 7=1
-
-	gpiosim_check_value sim0 0 0
-	gpiosim_check_value sim0 1 0
-	gpiosim_check_value sim0 2 1
-	gpiosim_check_value sim0 3 1
-	gpiosim_check_value sim0 4 1
-	gpiosim_check_value sim0 5 1
-	gpiosim_check_value sim0 6 0
-	gpiosim_check_value sim0 7 1
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-}
-
-@test "gpioset: set some lines and wait for ENTER" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpioset --mode=wait "$(gpiosim_chip_name sim0)" \
-					1=0 2=1 5=1 6=0 7=1
-
-	gpiosim_check_value sim0 1 0
-	gpiosim_check_value sim0 2 1
-	gpiosim_check_value sim0 5 1
-	gpiosim_check_value sim0 6 0
-	gpiosim_check_value sim0 7 1
-
-	coproc_tool_stdin_write ""
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-}
-
-@test "gpioset: set some lines and wait for SIGINT" {
-	gpiosim_chip sim0 num_lines=4
-
-	coproc_run_tool gpioset --mode=signal "$(gpiosim_chip_name sim0)" 0=1
-
-	gpiosim_check_value sim0 0 1
-
-	coproc_tool_kill -SIGINT
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-}
-
-@test "gpioset: set some lines and wait with --mode=time" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpioset --mode=time --sec=1 --usec=200000 \
-				"$(gpiosim_chip_name sim0)" 0=1 5=0 7=1
-
-	gpiosim_check_value sim0 0 1
-	gpiosim_check_value sim0 5 0
-	gpiosim_check_value sim0 7 1
-
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-}
-
-@test "gpioset: no arguments" {
-	run_tool gpioset
-
-	test "$status" -eq "1"
-	output_regex_match ".*gpiochip must be specified"
-}
-
-@test "gpioset: no lines specified" {
-	gpiosim_chip sim0 num_lines=8
-
-	run_tool gpioset "$(gpiosim_chip_name sim1)"
-
-	test "$status" -eq "1"
-	output_regex_match ".*at least one GPIO line offset to value mapping must be specified"
-}
-
-@test "gpioset: too many lines specified" {
-	gpiosim_chip sim0 num_lines=4
-
-	run_tool gpioset "$(gpiosim_chip_name sim0)" 0=1 1=1 2=1 3=1 4=1 5=1
-
-	test "$status" -eq "1"
-	output_regex_match ".*unable to request lines.*"
-}
-
-@test "gpioset: use --sec without --mode=time" {
-	gpiosim_chip sim0 num_lines=8
-
-	run_tool gpioset --mode=exit --sec=1 "$(gpiosim_chip_name sim0)" 0=1
-
-	test "$status" -eq "1"
-	output_regex_match ".*can't specify wait time in this mode"
-}
-
-@test "gpioset: use --usec without --mode=time" {
-	gpiosim_chip sim0 num_lines=8
-
-	run_tool gpioset --mode=exit --usec=1 "$(gpiosim_chip_name sim1)" 0=1
-
-	test "$status" -eq "1"
-	output_regex_match ".*can't specify wait time in this mode"
-}
-
-@test "gpioset: default mode" {
-	gpiosim_chip sim0 num_lines=8
-
-	run_tool gpioset "$(gpiosim_chip_name sim0)" 0=1
-
-	test "$status" -eq "0"
-}
-
-@test "gpioset: invalid mapping" {
-	gpiosim_chip sim0 num_lines=8
-
-	run_tool gpioset "$(gpiosim_chip_name sim1)" 0=c
-
-	test "$status" -eq "1"
-	output_regex_match ".*invalid offset<->value mapping"
-}
-
-@test "gpioset: invalid value" {
-	gpiosim_chip sim0 num_lines=8
-
-	run_tool gpioset "$(gpiosim_chip_name sim1)" 0=3
-
-	test "$status" -eq "1"
-	output_regex_match ".*value must be 0 or 1"
-}
-
-@test "gpioset: invalid offset" {
-	gpiosim_chip sim0 num_lines=8
-
-	run_tool gpioset "$(gpiosim_chip_name sim1)" 4000000000=0
-
-	test "$status" -eq "1"
-	output_regex_match ".*invalid offset"
-}
-
-@test "gpioset: invalid bias" {
-	gpiosim_chip sim0 num_lines=8
-
-	run_tool gpioset --bias=bad "$(gpiosim_chip_name sim1)" 0=1 1=1
-
-	test "$status" -eq "1"
-	output_regex_match ".*invalid bias.*"
-}
-
-@test "gpioset: invalid drive" {
-	gpiosim_chip sim0 num_lines=8
-
-	run_tool gpioset --drive=bad "$(gpiosim_chip_name sim1)" 0=1 1=1
-
-	test "$status" -eq "1"
-	output_regex_match ".*invalid drive.*"
-}
-
-@test "gpioset: daemonize in invalid mode" {
-	gpiosim_chip sim0 num_lines=8
-
-	run_tool gpioset --background "$(gpiosim_chip_name sim1)" 0=1
-
-	test "$status" -eq "1"
-	output_regex_match ".*can't daemonize in this mode"
-}
-
-@test "gpioset: same line twice" {
-	gpiosim_chip sim0 num_lines=8
-
-	run_tool gpioset "$(gpiosim_chip_name sim0)" 0=1 0=1
-
-	test "$status" -eq "1"
-	output_regex_match ".*offsets must be unique"
-}
-
-#
-# gpiomon test cases
-#
-
-@test "gpiomon: single rising edge event" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpiomon --rising-edge "$(gpiosim_chip_name sim0)" 4
-
-	gpiosim_set_pull sim0 4 pull-up
-	sleep 0.2
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	output_regex_match \
-"event:\\s+RISING\\s+EDGE\\s+offset:\\s+4\\s+timestamp:\\s+\[\s*[0-9]+\.[0-9]+\]"
-}
-
-@test "gpiomon: single falling edge event" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpiomon --falling-edge "$(gpiosim_chip_name sim0)" 4
-
-	gpiosim_set_pull sim0 4 pull-up
-	gpiosim_set_pull sim0 4 pull-down
-	sleep 0.2
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	output_regex_match \
-"event:\\s+FALLING\\s+EDGE\\s+offset:\\s+4\\s+timestamp:\\s+\[\s*[0-9]+\.[0-9]+\]"
-}
-
-@test "gpiomon: single falling edge event (pull-up)" {
-	gpiosim_chip sim0 num_lines=8
-
-	gpiosim_set_pull sim0 4 pull-down
-
-	coproc_run_tool gpiomon --bias=pull-up "$(gpiosim_chip_name sim0)" 4
-
-	gpiosim_set_pull sim0 4 pull-down
-	sleep 0.2
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	output_regex_match \
-"event:\\s+FALLING\\s+EDGE\\s+offset:\\s+4\\s+timestamp:\\s+\[\s*[0-9]+\.[0-9]+\]"
-}
-
-@test "gpiomon: single rising edge event (pull-down)" {
-	gpiosim_chip sim0 num_lines=8
-
-	gpiosim_set_pull sim0 4 pull-up
-
-	coproc_run_tool gpiomon --bias=pull-down "$(gpiosim_chip_name sim0)" 4
-
-	gpiosim_set_pull sim0 4 pull-up
-	sleep 0.2
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	output_regex_match \
-"event:\\s+RISING\\s+EDGE\\s+offset:\\s+4\\s+timestamp:\\s+\[\s*[0-9]+\.[0-9]+\]"
-}
-
-@test "gpiomon: single rising edge event (active-low)" {
-	gpiosim_chip sim0 num_lines=8
-
-	gpiosim_set_pull sim0 4 pull-up
-
-	coproc_run_tool gpiomon --rising-edge --active-low "$(gpiosim_chip_name sim0)" 4
-
-	gpiosim_set_pull sim0 4 pull-down
-	sleep 0.2
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	output_regex_match \
-"event:\\s+RISING\\s+EDGE\\s+offset:\\s+4\\s+timestamp:\\s+\[\s*[0-9]+\.[0-9]+\]"
-}
-
-@test "gpiomon: single rising edge event (silent mode)" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpiomon --rising-edge --silent "$(gpiosim_chip_name sim0)" 4
-
-	gpiosim_set_pull sim0 4 pull-up
-	sleep 0.2
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	test -z "$output"
-}
-
-@test "gpiomon: four alternating events" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpiomon --num-events=4 "$(gpiosim_chip_name sim0)" 4
-
-	gpiosim_set_pull sim0 4 pull-up
-	sleep 0.2
-	gpiosim_set_pull sim0 4 pull-down
-	sleep 0.2
-	gpiosim_set_pull sim0 4 pull-up
-	sleep 0.2
-	gpiosim_set_pull sim0 4 pull-down
-	sleep 0.2
-
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	output_regex_match \
-"event\\:\\s+FALLING\\s+EDGE\\s+offset\\:\\s+4\\s+timestamp:\\s+\\[\s*[0-9]+\\.[0-9]+\\]"
-	output_regex_match \
-"event\\:\\s+RISING\\s+EDGE\\s+offset\\:\\s+4\\s+timestamp:\\s+\\[\s*[0-9]+\\.[0-9]+\\]"
-}
-
-@test "gpiomon: exit after SIGINT" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpiomon "$(gpiosim_chip_name sim0)" 4
-
-	coproc_tool_kill -SIGINT
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	test -z "$output"
-}
-
-@test "gpiomon: exit after SIGTERM" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpiomon "$(gpiosim_chip_name sim0)" 4
-
-	coproc_tool_kill -SIGTERM
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	test -z "$output"
-}
-
-@test "gpiomon: both event flags" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpiomon --falling-edge --rising-edge "$(gpiosim_chip_name sim0)" 4
-
-	gpiosim_set_pull sim0 4 pull-up
-	sleep 0.2
-	gpiosim_set_pull sim0 4 pull-down
-	sleep 0.2
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	output_regex_match \
-"event\\:\\s+FALLING\\s+EDGE\\s+offset\\:\\s+4\\s+timestamp:\\s+\\[\s*[0-9]+\\.[0-9]+\\]"
-	output_regex_match \
-"event\\:\\s+RISING\\s+EDGE\\s+offset\\:\\s+4\\s+timestamp:\\s+\\[\s*[0-9]+\\.[0-9]+\\]"
-}
-
-@test "gpiomon: watch multiple lines" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpiomon --format=%o "$(gpiosim_chip_name sim0)" 1 2 3 4 5
-
-	gpiosim_set_pull sim0 2 pull-up
-	gpiosim_set_pull sim0 3 pull-up
-	gpiosim_set_pull sim0 4 pull-up
-	sleep 0.2
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	test "${lines[0]}" = "2"
-	test "${lines[1]}" = "3"
-	test "${lines[2]}" = "4"
-}
-
-@test "gpiomon: watch multiple lines (lines in mixed-up order)" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpiomon --format=%o "$(gpiosim_chip_name sim0)" 5 2 7 1 6
-
-	gpiosim_set_pull sim0 2 pull-up
-	gpiosim_set_pull sim0 1 pull-up
-	gpiosim_set_pull sim0 6 pull-up
-	sleep 0.2
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	test "${lines[0]}" = "2"
-	test "${lines[1]}" = "1"
-	test "${lines[2]}" = "6"
-}
-
-@test "gpiomon: same line twice" {
-	gpiosim_chip sim0 num_lines=8
-
-	run_tool gpiomon "$(gpiosim_chip_name sim0)" 0 0
-
-	test "$status" -eq "1"
-	output_regex_match ".*offsets must be unique"
-}
-
-@test "gpiomon: no arguments" {
-	run_tool gpiomon
-
-	test "$status" -eq "1"
-	output_regex_match ".*gpiochip must be specified"
-}
-
-@test "gpiomon: line not specified" {
-	gpiosim_chip sim0 num_lines=8
-
-	run_tool gpiomon "$(gpiosim_chip_name sim0)"
-
-	test "$status" -eq "1"
-	output_regex_match ".*GPIO line offset must be specified"
-}
-
-@test "gpiomon: line out of range" {
-	gpiosim_chip sim0 num_lines=4
-
-	run_tool gpiomon "$(gpiosim_chip_name sim0)" 5
-
-	test "$status" -eq "1"
-	output_regex_match ".*unable to request lines"
-}
-
-@test "gpiomon: invalid bias" {
-	gpiosim_chip sim0 num_lines=8
-
-	run_tool gpiomon --bias=bad "$(gpiosim_chip_name sim0)" 0 1
-
-	test "$status" -eq "1"
-	output_regex_match ".*invalid bias.*"
-}
-
-@test "gpiomon: custom format (event type + offset)" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpiomon "--format=%e %o" "$(gpiosim_chip_name sim0)" 4
-
-	gpiosim_set_pull sim0 4 pull-up
-	sleep 0.2
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	test "$output" = "1 4"
-}
-
-@test "gpiomon: custom format (event type + offset joined)" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpiomon "--format=%e%o" "$(gpiosim_chip_name sim0)" 4
-
-	gpiosim_set_pull sim0 4 pull-up
-	sleep 0.2
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	test "$output" = "14"
-}
-
-@test "gpiomon: custom format (timestamp)" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpiomon "--format=%e %o %s.%n" "$(gpiosim_chip_name sim0)" 4
-
-	gpiosim_set_pull sim0 4 pull-up
-	sleep 0.2
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	output_regex_match "1 4 [0-9]+\\.[0-9]+"
-}
-
-@test "gpiomon: custom format (double percent sign)" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpiomon "--format=%%" "$(gpiosim_chip_name sim0)" 4
-
-	gpiosim_set_pull sim0 4 pull-up
-	sleep 0.2
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	test "$output" = "%"
-}
-
-@test "gpiomon: custom format (double percent sign + event type specifier)" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpiomon "--format=%%e" "$(gpiosim_chip_name sim0)" 4
-
-	gpiosim_set_pull sim0 4 pull-up
-	sleep 0.2
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	test "$output" = "%e"
-}
-
-@test "gpiomon: custom format (single percent sign)" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpiomon "--format=%" "$(gpiosim_chip_name sim0)" 4
-
-	gpiosim_set_pull sim0 4 pull-up
-	sleep 0.2
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	test "$output" = "%"
-}
-
-@test "gpiomon: custom format (single percent sign between other characters)" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpiomon "--format=foo % bar" "$(gpiosim_chip_name sim0)" 4
-
-	gpiosim_set_pull sim0 4 pull-up
-	sleep 0.2
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	test "$output" = "foo % bar"
-}
-
-@test "gpiomon: custom format (unknown specifier)" {
-	gpiosim_chip sim0 num_lines=8
-
-	coproc_run_tool gpiomon "--format=%x" "$(gpiosim_chip_name sim0)" 4
-
-	gpiosim_set_pull sim0 4 pull-up
-	sleep 0.2
-
-	coproc_tool_kill
-	coproc_tool_wait
-
-	test "$status" -eq "0"
-	test "$output" = "%x"
-}
diff --git a/tools/gpiodetect.c b/tools/gpiodetect.c
index 8f6e8b3..30bde32 100644
--- a/tools/gpiodetect.c
+++ b/tools/gpiodetect.c
@@ -11,82 +11,3 @@
 
 #include "tools-common.h"
 
-static const struct option longopts[] = {
-	{ "help",	no_argument,	NULL,	'h' },
-	{ "version",	no_argument,	NULL,	'v' },
-	{ GETOPT_NULL_LONGOPT },
-};
-
-static const char *const shortopts = "+hv";
-
-static void print_help(void)
-{
-	printf("Usage: %s [OPTIONS]\n", get_progname());
-	printf("\n");
-	printf("List all GPIO chips, print their labels and number of GPIO lines.\n");
-	printf("\n");
-	printf("Options:\n");
-	printf("  -h, --help:\t\tdisplay this message and exit\n");
-	printf("  -v, --version:\tdisplay the version and exit\n");
-}
-
-int main(int argc, char **argv)
-{
-	int optc, opti, num_chips, i;
-	struct gpiod_chip *chip;
-	struct gpiod_chip_info *info;
-	struct dirent **entries;
-
-	for (;;) {
-		optc = getopt_long(argc, argv, shortopts, longopts, &opti);
-		if (optc < 0)
-			break;
-
-		switch (optc) {
-		case 'h':
-			print_help();
-			return EXIT_SUCCESS;
-		case 'v':
-			print_version();
-			return EXIT_SUCCESS;
-		case '?':
-			die("try %s --help", get_progname());
-		default:
-			abort();
-		}
-	}
-
-	argc -= optind;
-	argv += optind;
-
-	if (argc > 0)
-		die("unrecognized argument: %s", argv[0]);
-
-	num_chips = scandir("/dev/", &entries, chip_dir_filter, alphasort);
-	if (num_chips < 0)
-		die_perror("unable to scan /dev");
-
-	for (i = 0; i < num_chips; i++) {
-		chip = chip_open_by_name(entries[i]->d_name);
-		if (!chip)
-			die_perror("unable to open %s", entries[i]->d_name);
-
-		info = gpiod_chip_get_info(chip);
-		if (!info)
-			die_perror("unable to get info for %s", entries[i]->d_name);
-
-
-		printf("%s [%s] (%zu lines)\n",
-		       gpiod_chip_info_get_name(info),
-		       gpiod_chip_info_get_label(info),
-		       gpiod_chip_info_get_num_lines(info));
-
-		gpiod_chip_info_free(info);
-		gpiod_chip_close(chip);
-		free(entries[i]);
-	}
-
-	free(entries);
-
-	return EXIT_SUCCESS;
-}
diff --git a/tools/gpiofind.c b/tools/gpiofind.c
deleted file mode 100644
index 03b15c9..0000000
--- a/tools/gpiofind.c
+++ /dev/null
@@ -1,93 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-// SPDX-FileCopyrightText: 2017-2021 Bartosz Golaszewski <bartekgola@xxxxxxxxx>
-
-#include <dirent.h>
-#include <errno.h>
-#include <getopt.h>
-#include <gpiod.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "tools-common.h"
-
-static const struct option longopts[] = {
-	{ "help",	no_argument,	NULL,	'h' },
-	{ "version",	no_argument,	NULL,	'v' },
-	{ GETOPT_NULL_LONGOPT },
-};
-
-static const char *const shortopts = "+hv";
-
-static void print_help(void)
-{
-	printf("Usage: %s [OPTIONS] <name>\n", get_progname());
-	printf("\n");
-	printf("Find a GPIO line by name. The output of this command can be used as input for gpioget/set.\n");
-	printf("\n");
-	printf("Options:\n");
-	printf("  -h, --help:\t\tdisplay this message and exit\n");
-	printf("  -v, --version:\tdisplay the version and exit\n");
-}
-
-int main(int argc, char **argv)
-{
-	int i, num_chips, optc, opti, offset;
-	struct gpiod_chip *chip;
-	struct gpiod_chip_info *info;
-	struct dirent **entries;
-
-	for (;;) {
-		optc = getopt_long(argc, argv, shortopts, longopts, &opti);
-		if (optc < 0)
-			break;
-
-		switch (optc) {
-		case 'h':
-			print_help();
-			return EXIT_SUCCESS;
-		case 'v':
-			print_version();
-			return EXIT_SUCCESS;
-		case '?':
-			die("try %s --help", get_progname());
-		default:
-			abort();
-		}
-	}
-
-	argc -= optind;
-	argv += optind;
-
-	if (argc != 1)
-		die("exactly one GPIO line name must be specified");
-
-	num_chips = scandir("/dev/", &entries, chip_dir_filter, alphasort);
-	if (num_chips < 0)
-		die_perror("unable to scan /dev");
-
-	for (i = 0; i < num_chips; i++) {
-		chip = chip_open_by_name(entries[i]->d_name);
-		if (!chip) {
-			if (errno == EACCES)
-				continue;
-
-			die_perror("unable to open %s", entries[i]->d_name);
-		}
-
-		offset = gpiod_chip_get_line_offset_from_name(chip, argv[0]);
-		if (offset >= 0) {
-			info = gpiod_chip_get_info(chip);
-			if (!info)
-				die_perror("unable to get info for %s", entries[i]->d_name);
-
-			printf("%s %u\n",
-			       gpiod_chip_info_get_name(info), offset);
-			gpiod_chip_info_free(info);
-			gpiod_chip_close(chip);
-			return EXIT_SUCCESS;
-		}
-	}
-
-	return EXIT_FAILURE;
-}
diff --git a/tools/gpioget.c b/tools/gpioget.c
index b68212d..1b3e666 100644
--- a/tools/gpioget.c
+++ b/tools/gpioget.c
@@ -10,156 +10,3 @@
 
 #include "tools-common.h"
 
-static const struct option longopts[] = {
-	{ "help",	no_argument,		NULL,	'h' },
-	{ "version",	no_argument,		NULL,	'v' },
-	{ "active-low",	no_argument,		NULL,	'l' },
-	{ "dir-as-is",	no_argument,		NULL,	'n' },
-	{ "bias",	required_argument,	NULL,	'B' },
-	{ GETOPT_NULL_LONGOPT },
-};
-
-static const char *const shortopts = "+hvlnB:";
-
-static void print_help(void)
-{
-	printf("Usage: %s [OPTIONS] <chip name/number> <offset 1> <offset 2> ...\n",
-	       get_progname());
-	printf("\n");
-	printf("Read line value(s) from a GPIO chip\n");
-	printf("\n");
-	printf("Options:\n");
-	printf("  -h, --help:\t\tdisplay this message and exit\n");
-	printf("  -v, --version:\tdisplay the version and exit\n");
-	printf("  -l, --active-low:\tset the line active state to low\n");
-	printf("  -n, --dir-as-is:\tdon't force-reconfigure line direction\n");
-	printf("  -B, --bias=[as-is|disable|pull-down|pull-up] (defaults to 'as-is'):\n");
-	printf("		set the line bias\n");
-	printf("\n");
-	print_bias_help();
-}
-
-int main(int argc, char **argv)
-{
-	int direction = GPIOD_LINE_DIRECTION_INPUT;
-	int optc, opti, bias = 0, ret, *values;
-	struct gpiod_line_settings *settings;
-	struct gpiod_request_config *req_cfg;
-	struct gpiod_line_request *request;
-	struct gpiod_line_config *line_cfg;
-	struct gpiod_chip *chip;
-	bool active_low = false;
-	unsigned int *offsets;
-	size_t i, num_lines;
-	char *device, *end;
-
-	for (;;) {
-		optc = getopt_long(argc, argv, shortopts, longopts, &opti);
-		if (optc < 0)
-			break;
-
-		switch (optc) {
-		case 'h':
-			print_help();
-			return EXIT_SUCCESS;
-		case 'v':
-			print_version();
-			return EXIT_SUCCESS;
-		case 'l':
-			active_low = true;
-			break;
-		case 'n':
-			direction = GPIOD_LINE_DIRECTION_AS_IS;
-			break;
-		case 'B':
-			bias = parse_bias(optarg);
-			break;
-		case '?':
-			die("try %s --help", get_progname());
-		default:
-			abort();
-		}
-	}
-
-	argc -= optind;
-	argv += optind;
-
-	if (argc < 1)
-		die("gpiochip must be specified");
-
-	if (argc < 2)
-		die("at least one GPIO line offset must be specified");
-
-	device = argv[0];
-	num_lines = argc - 1;
-
-	offsets = calloc(num_lines, sizeof(*offsets));
-	values = calloc(num_lines, sizeof(*values));
-	if (!offsets || ! values)
-		die("out of memory");
-
-	for (i = 0; i < num_lines; i++) {
-		offsets[i] = strtoul(argv[i + 1], &end, 10);
-		if (*end != '\0' || offsets[i] > INT_MAX)
-			die("invalid GPIO offset: %s", argv[i + 1]);
-	}
-
-	if (has_duplicate_offsets(num_lines, offsets))
-		die("offsets must be unique");
-
-	chip = chip_open_lookup(device);
-	if (!chip)
-		die_perror("unable to open %s", device);
-
-	settings = gpiod_line_settings_new();
-	if (!settings)
-		die_perror("unable to allocate line settings");
-
-	gpiod_line_settings_set_direction(settings, direction);
-
-	if (bias)
-		gpiod_line_settings_set_bias(settings, bias);
-
-	if (active_low)
-		gpiod_line_settings_set_active_low(settings, active_low);
-
-	req_cfg = gpiod_request_config_new();
-	if (!req_cfg)
-		die_perror("unable to allocate the request config structure");
-
-	gpiod_request_config_set_consumer(req_cfg, "gpioget");
-
-	line_cfg = gpiod_line_config_new();
-	if (!line_cfg)
-		die_perror("unable to allocate the line config structure");
-
-	ret = gpiod_line_config_add_line_settings(line_cfg, offsets,
-						  num_lines, settings);
-	if (ret)
-		die_perror("unable to add line settings");
-
-	request = gpiod_chip_request_lines(chip, req_cfg, line_cfg);
-	if (!request)
-		die_perror("unable to request lines");
-
-	ret = gpiod_line_request_get_values(request, values);
-	if (ret)
-		die_perror("unable to read GPIO line values");
-
-	for (i = 0; i < num_lines; i++) {
-		printf("%d", values[i]);
-		if (i != num_lines - 1)
-			printf(" ");
-	}
-	printf("\n");
-
-	gpiod_line_request_release(request);
-	gpiod_request_config_free(req_cfg);
-	gpiod_line_config_free(line_cfg);
-	gpiod_line_settings_free(settings);
-	gpiod_chip_close(chip);
-	free(offsets);
-	free(values);
-
-	return EXIT_SUCCESS;
-}
diff --git a/tools/gpioinfo.c b/tools/gpioinfo.c
index fbe2a13..ae368fa 100644
--- a/tools/gpioinfo.c
+++ b/tools/gpioinfo.c
@@ -12,243 +12,3 @@
 
 #include "tools-common.h"
 
-typedef bool (*is_set_func)(struct gpiod_line_info *);
-
-struct flag {
-	const char *name;
-	is_set_func is_set;
-};
-
-static bool line_bias_is_pullup(struct gpiod_line_info *info)
-{
-	return gpiod_line_info_get_bias(info) == GPIOD_LINE_BIAS_PULL_UP;
-}
-
-static bool line_bias_is_pulldown(struct gpiod_line_info *info)
-{
-	return gpiod_line_info_get_bias(info) == GPIOD_LINE_BIAS_PULL_DOWN;
-}
-
-static bool line_bias_is_disabled(struct gpiod_line_info *info)
-{
-	return gpiod_line_info_get_bias(info) == GPIOD_LINE_BIAS_DISABLED;
-}
-
-static bool line_drive_is_open_drain(struct gpiod_line_info *info)
-{
-	return gpiod_line_info_get_drive(info) == GPIOD_LINE_DRIVE_OPEN_DRAIN;
-}
-
-static bool line_drive_is_open_source(struct gpiod_line_info *info)
-{
-	return gpiod_line_info_get_drive(info) == GPIOD_LINE_DRIVE_OPEN_SOURCE;
-}
-
-static const struct flag flags[] = {
-	{
-		.name = "used",
-		.is_set = gpiod_line_info_is_used,
-	},
-	{
-		.name = "open-drain",
-		.is_set = line_drive_is_open_drain,
-	},
-	{
-		.name = "open-source",
-		.is_set = line_drive_is_open_source,
-	},
-	{
-		.name = "pull-up",
-		.is_set = line_bias_is_pullup,
-	},
-	{
-		.name = "pull-down",
-		.is_set = line_bias_is_pulldown,
-	},
-	{
-		.name = "bias-disabled",
-		.is_set = line_bias_is_disabled,
-	},
-};
-
-static const struct option longopts[] = {
-	{ "help",	no_argument,	NULL,	'h' },
-	{ "version",	no_argument,	NULL,	'v' },
-	{ GETOPT_NULL_LONGOPT },
-};
-
-static const char *const shortopts = "+hv";
-
-static void print_help(void)
-{
-	printf("Usage: %s [OPTIONS] <gpiochip1> ...\n", get_progname());
-	printf("\n");
-	printf("Print information about all lines of the specified GPIO chip(s) (or all gpiochips if none are specified).\n");
-	printf("\n");
-	printf("Options:\n");
-	printf("  -h, --help:\t\tdisplay this message and exit\n");
-	printf("  -v, --version:\tdisplay the version and exit\n");
-}
-
-static PRINTF(3, 4) void prinfo(bool *of,
-				unsigned int prlen, const char *fmt, ...)
-{
-	char *buf, *buffmt = NULL;
-	size_t len;
-	va_list va;
-	int rv;
-
-	va_start(va, fmt);
-	rv = vasprintf(&buf, fmt, va);
-	va_end(va);
-	if (rv < 0)
-		die("vasprintf: %s\n", strerror(errno));
-
-	len = strlen(buf) - 1;
-
-	if (len >= prlen || *of) {
-		*of = true;
-		printf("%s", buf);
-	} else {
-		rv = asprintf(&buffmt, "%%%us", prlen);
-		if (rv < 0)
-			die("asprintf: %s\n", strerror(errno));
-
-		printf(buffmt, buf);
-	}
-
-	free(buf);
-	if (fmt)
-		free(buffmt);
-}
-
-static void list_lines(struct gpiod_chip *chip)
-{
-	bool flag_printed, of, active_low;
-	struct gpiod_chip_info *chip_info;
-	struct gpiod_line_info *info;
-	const char *name, *consumer;
-	size_t i, offset, num_lines;
-	int direction;
-
-	chip_info = gpiod_chip_get_info(chip);
-	if (!chip_info)
-		die_perror("unable to retrieve the chip info from chip");
-
-	num_lines = gpiod_chip_info_get_num_lines(chip_info);
-	printf("%s - %zu lines:\n",
-	       gpiod_chip_info_get_name(chip_info), num_lines);
-
-	for (offset = 0; offset < num_lines; offset++) {
-		info = gpiod_chip_get_line_info(chip, offset);
-		if (!info)
-			die_perror("unable to retrieve the line info from chip");
-		name = gpiod_line_info_get_name(info);
-		consumer = gpiod_line_info_get_consumer(info);
-		direction = gpiod_line_info_get_direction(info);
-		active_low = gpiod_line_info_is_active_low(info);
-
-		of = false;
-
-		printf("\tline ");
-		prinfo(&of, 3, "%zu", offset);
-		printf(": ");
-
-		name ? prinfo(&of, 12, "\"%s\"", name)
-		     : prinfo(&of, 12, "unnamed");
-		printf(" ");
-
-		if (!gpiod_line_info_is_used(info))
-			prinfo(&of, 12, "unused");
-		else
-			consumer ? prinfo(&of, 12, "\"%s\"", consumer)
-				 : prinfo(&of, 12, "kernel");
-
-		printf(" ");
-
-		prinfo(&of, 8, "%s ", direction == GPIOD_LINE_DIRECTION_INPUT
-							? "input" : "output");
-		prinfo(&of, 13, "%s ",
-		       active_low ? "active-low" : "active-high");
-
-		flag_printed = false;
-		for (i = 0; i < ARRAY_SIZE(flags); i++) {
-			if (flags[i].is_set(info)) {
-				if (flag_printed)
-					printf(" ");
-				else
-					printf("[");
-				printf("%s", flags[i].name);
-				flag_printed = true;
-			}
-		}
-		if (flag_printed)
-			printf("]");
-
-		printf("\n");
-
-		gpiod_line_info_free(info);
-	}
-	gpiod_chip_info_free(chip_info);
-}
-
-int main(int argc, char **argv)
-{
-	int num_chips, i, optc, opti;
-	struct gpiod_chip *chip;
-	struct dirent **entries;
-
-	for (;;) {
-		optc = getopt_long(argc, argv, shortopts, longopts, &opti);
-		if (optc < 0)
-			break;
-
-		switch (optc) {
-		case 'h':
-			print_help();
-			return EXIT_SUCCESS;
-		case 'v':
-			print_version();
-			return EXIT_SUCCESS;
-		case '?':
-			die("try %s --help", get_progname());
-		default:
-			abort();
-		}
-	}
-
-	argc -= optind;
-	argv += optind;
-
-	if (argc == 0) {
-		num_chips = scandir("/dev/", &entries,
-				    chip_dir_filter, alphasort);
-		if (num_chips < 0)
-			die_perror("unable to scan /dev");
-
-		for (i = 0; i < num_chips; i++) {
-			chip = chip_open_by_name(entries[i]->d_name);
-			if (!chip)
-				die_perror("unable to open %s",
-					   entries[i]->d_name);
-
-			list_lines(chip);
-
-			gpiod_chip_close(chip);
-			free(entries[i]);
-		}
-		free(entries);
-	} else {
-		for (i = 0; i < argc; i++) {
-			chip = chip_open_lookup(argv[i]);
-			if (!chip)
-				die_perror("looking up chip %s", argv[i]);
-
-			list_lines(chip);
-
-			gpiod_chip_close(chip);
-		}
-	}
-
-	return EXIT_SUCCESS;
-}
diff --git a/tools/gpiomon.c b/tools/gpiomon.c
index dff12ea..6fa19b6 100644
--- a/tools/gpiomon.c
+++ b/tools/gpiomon.c
@@ -17,317 +17,3 @@
 
 #define EVENT_BUF_SIZE 32
 
-static const struct option longopts[] = {
-	{ "help",		no_argument,		NULL,	'h' },
-	{ "version",		no_argument,		NULL,	'v' },
-	{ "active-low",		no_argument,		NULL,	'l' },
-	{ "bias",		required_argument,	NULL,	'B' },
-	{ "num-events",		required_argument,	NULL,	'n' },
-	{ "silent",		no_argument,		NULL,	's' },
-	{ "rising-edge",	no_argument,		NULL,	'r' },
-	{ "falling-edge",	no_argument,		NULL,	'f' },
-	{ "line-buffered",	no_argument,		NULL,	'b' },
-	{ "format",		required_argument,	NULL,	'F' },
-	{ GETOPT_NULL_LONGOPT },
-};
-
-static const char *const shortopts = "+hvlB:n:srfbF:";
-
-static void print_help(void)
-{
-	printf("Usage: %s [OPTIONS] <chip name/number> <offset 1> <offset 2> ...\n",
-	       get_progname());
-	printf("\n");
-	printf("Wait for events on GPIO lines and print them to standard output\n");
-	printf("\n");
-	printf("Options:\n");
-	printf("  -h, --help:\t\tdisplay this message and exit\n");
-	printf("  -v, --version:\tdisplay the version and exit\n");
-	printf("  -l, --active-low:\tset the line active state to low\n");
-	printf("  -B, --bias=[as-is|disable|pull-down|pull-up] (defaults to 'as-is'):\n");
-	printf("		set the line bias\n");
-	printf("  -n, --num-events=NUM:\texit after processing NUM events\n");
-	printf("  -s, --silent:\t\tdon't print event info\n");
-	printf("  -r, --rising-edge:\tonly process rising edge events\n");
-	printf("  -f, --falling-edge:\tonly process falling edge events\n");
-	printf("  -b, --line-buffered:\tset standard output as line buffered\n");
-	printf("  -F, --format=FMT\tspecify custom output format\n");
-	printf("\n");
-	print_bias_help();
-	printf("\n");
-	printf("Format specifiers:\n");
-	printf("  %%o:  GPIO line offset\n");
-	printf("  %%e:  event type (0 - falling edge, 1 rising edge)\n");
-	printf("  %%s:  seconds part of the event timestamp\n");
-	printf("  %%n:  nanoseconds part of the event timestamp\n");
-}
-
-struct mon_ctx {
-	unsigned int offset;
-	bool silent;
-	char *fmt;
-};
-
-static void event_print_custom(unsigned int offset, uint64_t timeout,
-			       int event_type, struct mon_ctx *ctx)
-{
-	char *prev, *curr, fmt;
-
-	for (prev = curr = ctx->fmt;;) {
-		curr = strchr(curr, '%');
-		if (!curr) {
-			fputs(prev, stdout);
-			break;
-		}
-
-		if (prev != curr)
-			fwrite(prev, curr - prev, 1, stdout);
-
-		fmt = *(curr + 1);
-
-		switch (fmt) {
-		case 'o':
-			printf("%u", offset);
-			break;
-		case 'e':
-			if (event_type == GPIOD_EDGE_EVENT_RISING_EDGE)
-				fputc('1', stdout);
-			else
-				fputc('0', stdout);
-			break;
-		case 's':
-			printf("%"PRIu64, timeout / 1000000000);
-			break;
-		case 'n':
-			printf("%"PRIu64, timeout % 1000000000);
-			break;
-		case '%':
-			fputc('%', stdout);
-			break;
-		case '\0':
-			fputc('%', stdout);
-			goto end;
-		default:
-			fwrite(curr, 2, 1, stdout);
-			break;
-		}
-
-		curr += 2;
-		prev = curr;
-	}
-
-end:
-	fputc('\n', stdout);
-}
-
-static void event_print_human_readable(unsigned int offset,
-				       uint64_t timeout, int event_type)
-{
-	char *evname;
-
-	if (event_type == GPIOD_EDGE_EVENT_RISING_EDGE)
-		evname = " RISING EDGE";
-	else
-		evname = "FALLING EDGE";
-
-	printf("event: %s offset: %u timestamp: [%8"PRIu64".%09"PRIu64"]\n",
-	       evname, offset, timeout / 1000000000, timeout % 1000000000);
-}
-
-static void handle_event(unsigned int line_offset, unsigned int event_type,
-			 uint64_t timestamp, struct mon_ctx *ctx)
-{
-	if (!ctx->silent) {
-		if (ctx->fmt)
-			event_print_custom(line_offset, timestamp,
-					   event_type, ctx);
-		else
-			event_print_human_readable(line_offset,
-						   timestamp, event_type);
-	}
-}
-
-static void handle_signal(int signum UNUSED)
-{
-	exit(EXIT_SUCCESS);
-}
-
-int main(int argc, char **argv)
-{
-	bool watch_rising = false, watch_falling = false, active_low = false;
-	size_t num_lines = 0, events_wanted = 0, events_done = 0;
-	struct gpiod_edge_event_buffer *event_buffer;
-	int optc, opti, ret, i, edge, bias = 0;
-	uint64_t timeout = 10 * 1000000000LLU;
-	struct gpiod_line_settings *settings;
-	struct gpiod_request_config *req_cfg;
-	struct gpiod_line_request *request;
-	struct gpiod_line_config *line_cfg;
-	unsigned int offsets[64], offset;
-	struct gpiod_edge_event *event;
-	struct gpiod_chip *chip;
-	struct mon_ctx ctx;
-	char *end;
-
-	/*
-	 * FIXME: use signalfd once the API has been converted to using a single file
-	 * descriptor as provided by uAPI v2.
-	 */
-	signal(SIGINT, handle_signal);
-	signal(SIGTERM, handle_signal);
-
-	memset(&ctx, 0, sizeof(ctx));
-
-	for (;;) {
-		optc = getopt_long(argc, argv, shortopts, longopts, &opti);
-		if (optc < 0)
-			break;
-
-		switch (optc) {
-		case 'h':
-			print_help();
-			return EXIT_SUCCESS;
-		case 'v':
-			print_version();
-			return EXIT_SUCCESS;
-		case 'l':
-			active_low = true;
-			break;
-		case 'B':
-			bias = parse_bias(optarg);
-			break;
-		case 'n':
-			events_wanted = strtoul(optarg, &end, 10);
-			if (*end != '\0')
-				die("invalid number: %s", optarg);
-			break;
-		case 's':
-			ctx.silent = true;
-			break;
-		case 'r':
-			watch_rising = true;
-			break;
-		case 'f':
-			watch_falling = true;
-			break;
-		case 'b':
-			setlinebuf(stdout);
-			break;
-		case 'F':
-			ctx.fmt = optarg;
-			break;
-		case '?':
-			die("try %s --help", get_progname());
-		default:
-			abort();
-		}
-	}
-
-	argc -= optind;
-	argv += optind;
-
-	if (watch_rising && !watch_falling)
-		edge = GPIOD_LINE_EDGE_RISING;
-	else if (watch_falling && !watch_rising)
-		edge = GPIOD_LINE_EDGE_FALLING;
-	else
-		edge = GPIOD_LINE_EDGE_BOTH;
-
-	if (argc < 1)
-		die("gpiochip must be specified");
-
-	if (argc < 2)
-		die("at least one GPIO line offset must be specified");
-
-	if (argc > 65)
-		die("too many offsets given");
-
-	for (i = 1; i < argc; i++) {
-		offset = strtoul(argv[i], &end, 10);
-		if (*end != '\0' || offset > INT_MAX)
-			die("invalid GPIO offset: %s", argv[i]);
-
-		offsets[i - 1] = offset;
-		num_lines++;
-	}
-
-	if (has_duplicate_offsets(num_lines, offsets))
-		die("offsets must be unique");
-
-	chip = chip_open_lookup(argv[0]);
-	if (!chip)
-		die_perror("unable to open %s", argv[0]);
-
-	settings = gpiod_line_settings_new();
-	if (!settings)
-		die_perror("unable to allocate line settings");
-
-	if (bias)
-		gpiod_line_settings_set_bias(settings, bias);
-	if (active_low)
-		gpiod_line_settings_set_active_low(settings, active_low);
-	gpiod_line_settings_set_edge_detection(settings, edge);
-
-	req_cfg = gpiod_request_config_new();
-	if (!req_cfg)
-		die_perror("unable to allocate the request config structure");
-
-	gpiod_request_config_set_consumer(req_cfg, "gpiomon");
-
-	line_cfg = gpiod_line_config_new();
-	if (!line_cfg)
-		die_perror("unable to allocate the line config structure");
-
-	ret = gpiod_line_config_add_line_settings(line_cfg, offsets,
-						  num_lines, settings);
-	if (ret)
-		die_perror("unable to add line settings");
-
-	request = gpiod_chip_request_lines(chip, req_cfg, line_cfg);
-	if (!request)
-		die_perror("unable to request lines");
-
-	event_buffer = gpiod_edge_event_buffer_new(EVENT_BUF_SIZE);
-	if (!event_buffer)
-		die_perror("unable to allocate the line event buffer");
-
-	for (;;) {
-		ret = gpiod_line_request_wait_edge_event(request, timeout);
-		if (ret < 0)
-			die_perror("error waiting for events");
-		if (ret == 0)
-			continue;
-
-		ret = gpiod_line_request_read_edge_event(request, event_buffer,
-							 EVENT_BUF_SIZE);
-		if (ret < 0)
-			die_perror("error reading line events");
-
-		for (i = 0; i < ret; i++) {
-			event = gpiod_edge_event_buffer_get_event(event_buffer,
-								  i);
-			if (!event)
-				die_perror("unable to retrieve the event from the buffer");
-
-			handle_event(gpiod_edge_event_get_line_offset(event),
-				     gpiod_edge_event_get_event_type(event),
-				     gpiod_edge_event_get_timestamp_ns(event),
-				     &ctx);
-
-			events_done++;
-
-			if (events_wanted && events_done >= events_wanted)
-				goto done;
-		}
-	}
-
-done:
-	gpiod_edge_event_buffer_free(event_buffer);
-	gpiod_line_request_release(request);
-	gpiod_request_config_free(req_cfg);
-	gpiod_line_config_free(line_cfg);
-	gpiod_line_settings_free(settings);
-	gpiod_chip_close(chip);
-
-	return EXIT_SUCCESS;
-}
diff --git a/tools/gpioset.c b/tools/gpioset.c
index 290d1a3..0e3a1e4 100644
--- a/tools/gpioset.c
+++ b/tools/gpioset.c
@@ -14,333 +14,3 @@
 
 #include "tools-common.h"
 
-static const struct option longopts[] = {
-	{ "help",		no_argument,		NULL,	'h' },
-	{ "version",		no_argument,		NULL,	'v' },
-	{ "active-low",		no_argument,		NULL,	'l' },
-	{ "bias",		required_argument,	NULL,	'B' },
-	{ "drive",		required_argument,	NULL,	'D' },
-	{ "mode",		required_argument,	NULL,	'm' },
-	{ "sec",		required_argument,	NULL,	's' },
-	{ "usec",		required_argument,	NULL,	'u' },
-	{ "background",		no_argument,		NULL,	'b' },
-	{ GETOPT_NULL_LONGOPT },
-};
-
-static const char *const shortopts = "+hvlB:D:m:s:u:b";
-
-static void print_help(void)
-{
-	printf("Usage: %s [OPTIONS] <chip name/number> <offset1>=<value1> <offset2>=<value2> ...\n",
-	       get_progname());
-	printf("\n");
-	printf("Set GPIO line values of a GPIO chip and maintain the state until the process exits\n");
-	printf("\n");
-	printf("Options:\n");
-	printf("  -h, --help:\t\tdisplay this message and exit\n");
-	printf("  -v, --version:\tdisplay the version and exit\n");
-	printf("  -l, --active-low:\tset the line active state to low\n");
-	printf("  -B, --bias=[as-is|disable|pull-down|pull-up] (defaults to 'as-is'):\n");
-	printf("		set the line bias\n");
-	printf("  -D, --drive=[push-pull|open-drain|open-source] (defaults to 'push-pull'):\n");
-	printf("		set the line drive mode\n");
-	printf("  -m, --mode=[exit|wait|time|signal] (defaults to 'exit'):\n");
-	printf("		tell the program what to do after setting values\n");
-	printf("  -s, --sec=SEC:\tspecify the number of seconds to wait (only valid for --mode=time)\n");
-	printf("  -u, --usec=USEC:\tspecify the number of microseconds to wait (only valid for --mode=time)\n");
-	printf("  -b, --background:\tafter setting values: detach from the controlling terminal\n");
-	printf("\n");
-	print_bias_help();
-	printf("\n");
-	printf("Drives:\n");
-	printf("  push-pull:\tdrive the line both high and low\n");
-	printf("  open-drain:\tdrive the line low or go high impedance\n");
-	printf("  open-source:\tdrive the line high or go high impedance\n");
-	printf("\n");
-	printf("Modes:\n");
-	printf("  exit:\t\tset values and exit immediately\n");
-	printf("  wait:\t\tset values and wait for user to press ENTER\n");
-	printf("  time:\t\tset values and sleep for a specified amount of time\n");
-	printf("  signal:\tset values and wait for SIGINT or SIGTERM\n");
-	printf("\n");
-	printf("Note: the state of a GPIO line controlled over the character device reverts to default\n");
-	printf("when the last process referencing the file descriptor representing the device file exits.\n");
-	printf("This means that it's wrong to run gpioset, have it exit and expect the line to continue\n");
-	printf("being driven high or low. It may happen if given pin is floating but it must be interpreted\n");
-	printf("as undefined behavior.\n");
-}
-
-struct callback_data {
-	/* Replace with a union once we have more modes using callback data. */
-	struct timeval tv;
-	bool daemonize;
-};
-
-static void maybe_daemonize(bool daemonize)
-{
-	int rv;
-
-	if (daemonize) {
-		rv = daemon(0, 0);
-		if (rv < 0)
-			die("unable to daemonize: %s", strerror(errno));
-	}
-}
-
-static void wait_enter(void *data UNUSED)
-{
-	getchar();
-}
-
-static void wait_time(void *data)
-{
-	struct callback_data *cbdata = data;
-
-	maybe_daemonize(cbdata->daemonize);
-	select(0, NULL, NULL, NULL, &cbdata->tv);
-}
-
-static void wait_signal(void *data)
-{
-	struct callback_data *cbdata = data;
-	struct pollfd pfd;
-	int sigfd, rv;
-
-	sigfd = make_signalfd();
-
-	memset(&pfd, 0, sizeof(pfd));
-	pfd.fd = sigfd;
-	pfd.events = POLLIN | POLLPRI;
-
-	maybe_daemonize(cbdata->daemonize);
-
-	for (;;) {
-		rv = poll(&pfd, 1, 1000 /* one second */);
-		if (rv < 0)
-			die("error polling for signals: %s", strerror(errno));
-		else if (rv > 0)
-			break;
-	}
-
-	/*
-	 * Don't bother reading siginfo - it's enough to know that we
-	 * received any signal.
-	 */
-	close(sigfd);
-}
-
-enum {
-	MODE_EXIT = 0,
-	MODE_WAIT,
-	MODE_TIME,
-	MODE_SIGNAL,
-};
-
-struct mode_mapping {
-	int id;
-	const char *name;
-	void (*callback)(void *);
-};
-
-static const struct mode_mapping modes[] = {
-	[MODE_EXIT] = {
-		.id		= MODE_EXIT,
-		.name		= "exit",
-		.callback	= NULL,
-	},
-	[MODE_WAIT] = {
-		.id		= MODE_WAIT,
-		.name		= "wait",
-		.callback	= wait_enter,
-	},
-	[MODE_TIME] = {
-		.id		= MODE_TIME,
-		.name		= "time",
-		.callback	= wait_time,
-	},
-	[MODE_SIGNAL] = {
-		.id		= MODE_SIGNAL,
-		.name		= "signal",
-		.callback	= wait_signal,
-	},
-};
-
-static const struct mode_mapping *parse_mode(const char *mode)
-{
-	size_t i;
-
-	for (i = 0; i < ARRAY_SIZE(modes); i++)
-		if (strcmp(mode, modes[i].name) == 0)
-			return &modes[i];
-
-	return NULL;
-}
-
-static int parse_drive(const char *option)
-{
-	if (strcmp(option, "open-drain") == 0)
-		return GPIOD_LINE_DRIVE_OPEN_DRAIN;
-	if (strcmp(option, "open-source") == 0)
-		return GPIOD_LINE_DRIVE_OPEN_SOURCE;
-	if (strcmp(option, "push-pull") != 0)
-		die("invalid drive: %s", option);
-	return 0;
-}
-
-int main(int argc, char **argv)
-{
-	const struct mode_mapping *mode = &modes[MODE_EXIT];
-	int ret, optc, opti, bias = 0, drive = 0, *values;
-	struct gpiod_line_settings *settings;
-	struct gpiod_request_config *req_cfg;
-	struct gpiod_line_request *request;
-	struct gpiod_line_config *line_cfg;
-	struct callback_data cbdata;
-	struct gpiod_chip *chip;
-	bool active_low = false;
-	unsigned int *offsets;
-	size_t i, num_lines;
-	char *device, *end;
-
-	memset(&cbdata, 0, sizeof(cbdata));
-
-	for (;;) {
-		optc = getopt_long(argc, argv, shortopts, longopts, &opti);
-		if (optc < 0)
-			break;
-
-		switch (optc) {
-		case 'h':
-			print_help();
-			return EXIT_SUCCESS;
-		case 'v':
-			print_version();
-			return EXIT_SUCCESS;
-		case 'l':
-			active_low = true;
-			break;
-		case 'B':
-			bias = parse_bias(optarg);
-			break;
-		case 'D':
-			drive = parse_drive(optarg);
-			break;
-		case 'm':
-			mode = parse_mode(optarg);
-			if (!mode)
-				die("invalid mode: %s", optarg);
-			break;
-		case 's':
-			cbdata.tv.tv_sec = strtoul(optarg, &end, 10);
-			if (*end != '\0')
-				die("invalid time value in seconds: %s", optarg);
-			break;
-		case 'u':
-			cbdata.tv.tv_usec = strtoul(optarg, &end, 10);
-			if (*end != '\0')
-				die("invalid time value in microseconds: %s",
-				    optarg);
-			break;
-		case 'b':
-			cbdata.daemonize = true;
-			break;
-		case '?':
-			die("try %s --help", get_progname());
-		default:
-			abort();
-		}
-	}
-
-	argc -= optind;
-	argv += optind;
-
-	if (mode->id != MODE_TIME && (cbdata.tv.tv_sec || cbdata.tv.tv_usec))
-		die("can't specify wait time in this mode");
-
-	if (mode->id != MODE_SIGNAL &&
-	    mode->id != MODE_TIME &&
-	    cbdata.daemonize)
-		die("can't daemonize in this mode");
-
-	if (argc < 1)
-		die("gpiochip must be specified");
-
-	if (argc < 2)
-		die("at least one GPIO line offset to value mapping must be specified");
-
-	device = argv[0];
-
-	num_lines = argc - 1;
-
-	offsets = calloc(num_lines, sizeof(*offsets));
-	values = calloc(num_lines, sizeof(*values));
-	if (!offsets)
-		die("out of memory");
-
-	for (i = 0; i < num_lines; i++) {
-		ret = sscanf(argv[i + 1], "%u=%d", &offsets[i], &values[i]);
-		if (ret != 2)
-			die("invalid offset<->value mapping: %s", argv[i + 1]);
-
-		if (values[i] != 0 && values[i] != 1)
-			die("value must be 0 or 1: %s", argv[i + 1]);
-
-		if (offsets[i] > INT_MAX)
-			die("invalid offset: %s", argv[i + 1]);
-	}
-
-	if (has_duplicate_offsets(num_lines, offsets))
-		die("offsets must be unique");
-
-	chip = chip_open_lookup(device);
-	if (!chip)
-		die_perror("unable to open %s", device);
-
-	settings = gpiod_line_settings_new();
-	if (!settings)
-		die_perror("unable to allocate line settings");
-
-	if (bias)
-		gpiod_line_settings_set_bias(settings, bias);
-	if (drive)
-		gpiod_line_settings_set_drive(settings, drive);
-	if (active_low)
-		gpiod_line_settings_set_active_low(settings, active_low);
-	gpiod_line_settings_set_direction(settings,
-					  GPIOD_LINE_DIRECTION_OUTPUT);
-
-	req_cfg = gpiod_request_config_new();
-	if (!req_cfg)
-		die_perror("unable to allocate the request config structure");
-
-	gpiod_request_config_set_consumer(req_cfg, "gpioset");
-
-	line_cfg = gpiod_line_config_new();
-	if (!line_cfg)
-		die_perror("unable to allocate the line config structure");
-
-	for (i = 0; i < num_lines; i++) {
-		gpiod_line_settings_set_output_value(settings, values[i]);
-
-		ret = gpiod_line_config_add_line_settings(line_cfg, &offsets[i],
-							  1, settings);
-		if (ret)
-			die_perror("unable to add line settings");
-	}
-
-	request = gpiod_chip_request_lines(chip, req_cfg, line_cfg);
-	if (!request)
-		die_perror("unable to request lines");
-
-	if (mode->callback)
-		mode->callback(&cbdata);
-
-	gpiod_line_request_release(request);
-	gpiod_request_config_free(req_cfg);
-	gpiod_line_config_free(line_cfg);
-	gpiod_line_settings_free(settings);
-	gpiod_chip_close(chip);
-	free(offsets);
-
-	return EXIT_SUCCESS;
-}
diff --git a/tools/tools-common.c b/tools/tools-common.c
index 8957293..ea7dfa8 100644
--- a/tools/tools-common.c
+++ b/tools/tools-common.c
@@ -79,26 +79,6 @@ void print_bias_help(void)
 	printf("  pull-down:\tenable pull-down\n");
 }
 
-int make_signalfd(void)
-{
-	sigset_t sigmask;
-	int sigfd, rv;
-
-	sigemptyset(&sigmask);
-	sigaddset(&sigmask, SIGTERM);
-	sigaddset(&sigmask, SIGINT);
-
-	rv = sigprocmask(SIG_BLOCK, &sigmask, NULL);
-	if (rv < 0)
-		die("error masking signals: %s", strerror(errno));
-
-	sigfd = signalfd(-1, &sigmask, 0);
-	if (sigfd < 0)
-		die("error creating signalfd: %s", strerror(errno));
-
-	return sigfd;
-}
-
 int chip_dir_filter(const struct dirent *entry)
 {
 	bool is_chip;
@@ -114,38 +94,6 @@ int chip_dir_filter(const struct dirent *entry)
 	return !!is_chip;
 }
 
-struct gpiod_chip *chip_open_by_name(const char *name)
-{
-	struct gpiod_chip *chip;
-	char *path;
-	int ret;
-
-	ret = asprintf(&path, "/dev/%s", name);
-	if (ret < 0)
-		return NULL;
-
-	chip = gpiod_chip_open(path);
-	free(path);
-
-	return chip;
-}
-
-static struct gpiod_chip *chip_open_by_number(unsigned int num)
-{
-	struct gpiod_chip *chip;
-	char *path;
-	int ret;
-
-	ret = asprintf(&path, "/dev/gpiochip%u", num);
-	if (!ret)
-		return NULL;
-
-	chip = gpiod_chip_open(path);
-	free(path);
-
-	return chip;
-}
-
 static bool isuint(const char *str)
 {
 	for (; *str && isdigit(*str); str++)
@@ -153,32 +101,3 @@ static bool isuint(const char *str)
 
 	return *str == '\0';
 }
-
-struct gpiod_chip *chip_open_lookup(const char *device)
-{
-	struct gpiod_chip *chip;
-
-	if (isuint(device)) {
-		chip = chip_open_by_number(strtoul(device, NULL, 10));
-	} else {
-		if (strncmp(device, "/dev/", 5))
-			chip = chip_open_by_name(device);
-		else
-			chip = gpiod_chip_open(device);
-	}
-
-	return chip;
-}
-
-bool has_duplicate_offsets(size_t num_offsets, unsigned int *offsets)
-{
-	size_t i, j;
-
-	for (i = 0; i < num_offsets; i++) {
-		for (j = i + 1; j < num_offsets; j++)
-			if (offsets[i] == offsets[j])
-				return true;
-	}
-
-	return false;
-}
-- 
2.38.1




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