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Rename the defines not present in linux UAPI headers to better reflect
their purpose.
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Most applets include linux' user API headers instead of duplicating
the definitions. Make it the case for i2c-tools as well.
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Since there are now more statements in the if block after the while loop
in list_i2c_busses_and_exit(), there's no need for a label.
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Split i2cdump_main() into shorter functions. Simplify the code a bit.
Make block an array of ints so that we can store negative results of
read functions (fixes a bug found by Denys Vlasenko).
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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We should only warn the user about addresses to be skipped if
(mode == DETECT_MODE_AUTO).
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Addresses 0x00-0x02 shouldn't be scanned by default. This patch makes
'first' default to 0x03 and only enables lower addresses if '-a' option
is passed
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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We can't use i2c_set_slave_addr() in i2cdetect, as we have to check for
EBUSY after calling ioctl(I2C_SLAVE) and print 'UU' on busy addresses
instead of bailing-out.
While we're at it: reorder definitions of local vars in i2cdetect_main().
function old new delta
i2cdetect_main 703 744 +41
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(add/remove: 0/0 grow/shrink: 1/0 up/down: 41/0) Total: 41 bytes
text data bss dec hex filename
826097 4164 9584 839845 cd0a5 busybox_old
826145 4164 9584 839893 cd0d5 busybox_unstripped
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Trying to access /dev/i2c/* on every error after opening /dev/i2c-* can
mislead users who e.g. don't have root access. Instead of bailing-out
with "permission denied" we currently print "no such file or directory".
Fix it by trying open("/dev/i2c/%d") only if we got ENOENT.
Upstream i2cdetect tries to get any info it can from /sys and /proc even
when invoked by an unprivileged user, but we don't want to add unnecessary
bloat.
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Calling 'i2cdetect -l' only displays usage and exits. Fix it by
correctly parsing command-line arguments.
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
is_prefixed_with - 18 +18
complete_username 78 77 -1
man_main 737 735 -2
fsck_device 429 427 -2
unpack_ar_archive 80 76 -4
strip_unsafe_prefix 105 101 -4
singlemount 1054 1050 -4
rtc_adjtime_is_utc 90 86 -4
resolve_mount_spec 88 84 -4
parse_one_line 1029 1025 -4
parse_conf 1460 1456 -4
may_wakeup 83 79 -4
loadkmap_main 219 215 -4
get_irqs_from_stat 103 99 -4
get_header_cpio 913 909 -4
findfs_main 79 75 -4
fbsplash_main 1230 1226 -4
load_crontab 776 771 -5
expand_vars_to_list 1151 1146 -5
date_main 881 876 -5
skip_dev_pfx 30 24 -6
make_device 2199 2193 -6
complete_cmd_dir_file 773 767 -6
run_applet_and_exit 715 708 -7
uudecode_main 321 313 -8
pwdx_main 197 189 -8
execute 568 560 -8
i2cdetect_main 1186 1176 -10
procps_scan 1242 1230 -12
procps_read_smaps 1017 1005 -12
process_module 746 734 -12
patch_main 1903 1891 -12
nfsmount 3572 3560 -12
stack_machine 126 112 -14
process_timer_stats 449 435 -14
match_fstype 111 97 -14
do_ipaddr 1344 1330 -14
open_list_and_close 359 343 -16
get_header_tar 1795 1779 -16
prepend_new_eth_table 340 323 -17
fsck_main 1811 1794 -17
find_iface_state 56 38 -18
dnsd_main 1321 1303 -18
base_device 179 158 -21
find_keyword 104 82 -22
handle_incoming_and_exit 2785 2762 -23
parse_and_put_prompt 774 746 -28
modinfo 347 317 -30
find_action 204 171 -33
update_passwd 1470 1436 -34
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(add/remove: 1/0 grow/shrink: 0/49 up/down: 18/-540) Total: -522 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Add a minimal implementation of i2cget, i2cset, i2cdump and i2cdetect
tools. Supports most features of upstream i2c-tools.
function old new delta
i2cdump_main - 1444 +1444
i2cset_main - 1239 +1239
i2cdetect_main - 611 +611
list_i2c_busses_and_exit - 532 +532
packed_usage 29975 30438 +463
i2cget_main - 380 +380
check_read_funcs - 140 +140
i2c_funcs_tab - 128 +128
confirm_action - 100 +100
i2c_dev_open - 57 +57
i2c_smbus_access - 44 +44
confirm_or_abort - 43 +43
check_funcs_test_end - 39 +39
i2c_smbus_read_word_data - 38 +38
i2c_smbus_read_byte_data - 38 +38
i2c_smbus_read_byte - 37 +37
i2c_set_slave_addr - 32 +32
applet_names 2480 2512 +32
adap_descs - 32 +32
i2c_set_pec - 29 +29
get_funcs_matrix - 21 +21
i2c_parse_data_addr - 18 +18
i2c_parse_bus_addr - 18 +18
i2c_bus_lookup - 18 +18
i2c_smbus_write_byte - 17 +17
applet_main 1440 1456 +16
will_skip - 14 +14
no_support - 11 +11
applet_nameofs 720 728 +8
applet_install_loc 180 182 +2
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(add/remove: 26/0 grow/shrink: 5/0 up/down: 5601/0) Total: 5601 bytes
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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