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[Bugfix] FS#13902 lua strfrtime wrong month field, did not add one to month

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posix month field is called mon not month
mon goes from 0-11 so strfrtime needs to add 1 to the number for %m
day of week goes 0-6 where 0 = sunday
day of year goes 0-365 (365 on a leap year)

according to lua everything starts at 1
so month is 1-12
day of week goes 1-7 1 = sunday
day of year is 1-365 (366 on a leap year)

added some fields in the time_date example

Change-Id: Icd502b172285d23133488aa3456786d756667bfa
This commit is contained in:
William Wilgus 2026-05-22 16:57:35 -04:00
parent b5597a1c38
commit f456dbfa52
2 changed files with 25 additions and 19 deletions
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42
apps/plugins/lua/include_lua/strftime.lua
View file

@ -73,13 +73,13 @@ local function strftime(tmfmt, tm)
elseif c == "F" then
out = strftime("%Y-%m-%d", tm)
elseif c == "a" then
out = weekdays[tm.wday + 1]:sub(1, 3)
out = weekdays[tm.wday]:sub(1, 3)
elseif c == "A" then
out = weekdays[tm.wday + 1]
out = weekdays[tm.wday]
elseif c == "h" or c == "b" then
out = months[tm.month + 1]:sub(1, 3)
out = months[tm.month]:sub(1, 3)
elseif c == "B" then
out = months[tm.month + 1]
out = months[tm.month]
elseif c == "p" then
--local idx = tm.hour > 12 and 4 or 5
out = tm.hour > 12 and "PM" or "AM"
@ -108,30 +108,36 @@ local function strftime(tmfmt, tm)
if no == 0 then no = 12 end
out = strformat("%2.0d", no)
elseif c == "m" then
out = strformat("%02d", tm.mon)
out = strformat("%02d", tm.month)
elseif c == "M" then
out = strformat("%02d", tm.min)
elseif c == "S" then
out = strformat("%02d", tm.sec)
elseif c == "u" then
local no = tm.wday == 0 and 7 or tm.wday
local wday = tm.wday - 1
local no = wday == 0 and 7 or wday
out = strformat("%d", no)
elseif c == "w" then
out = strformat("%d", tm.wday)
elseif c == "U" then
local no = ((tm.yday - tm.wday + 7) / 7)
local yday = tm.yday - 1
local wday = tm.wday - 1
local no = ((yday - wday + 7) / 7) + 1
out = strformat("%02d", no)
elseif c == "W" then
local no = ((tm.yday - (tm.wday + 7) % 7 + 7) / 7)
local yday = tm.yday - 1
local wday = tm.wday - 1
local no = ((yday - (wday + 7) % 7 + 7) / 7) + 1
out = strformat("%02d", no)
elseif c == "s" then
out = os.time()
elseif c == "Z" then
out = "[ETC?]"
elseif c == "Y" then
local y1 = (tm.year / 100) + 19
--[[local y1 = (tm.year / 100) + 19
local y2 = tm.year % 100
out = strformat("%02d%02d", y1, y2)
out = strformat("%02d%02d", y1, y2)]]
out = strformat("%04d", tm.year)
elseif c == "y" then
out = strformat("%02d", tm.year % 100)
elseif c == "O" or c == "E" then
@ -160,14 +166,14 @@ Note: This implementation assumes the following structure for the `tm`
table (similar to C's `struct tm`):
local tm = {
year = 126, -- Years since 1900
mon = 0, -- Month (0-11)
year = 2026, -- Year
month = 1, -- Month (1-12)
day = 5, -- Day of month (1-31)
hour = 14, -- Hours (0-23)
min = 30, -- Minutes (0-59)
sec = 45, -- Seconds (0-59)
wday = 2, -- Day of week (0-6, Sunday=0)
yday = 4, -- Day of year (0-365)
wday = 2, -- Day of week (1-7, Sunday=1)
yday = 4, -- Day of year (1-366)
isdst = false -- Daylight saving time flag
}
@ -235,11 +241,11 @@ local function get_tmdate(d, tm)
end
tm = tm or {}
tm.year = y + UNIX_EPOCH_YEAR -- year - 1900
tm.month = x0 -- 0..11
tm.yday = tm_yday
tm.year = y + UNIX_EPOCH_YEAR + 1900 -- year + 1900
tm.month = x0 + 1 -- (0..11) + 1
tm.yday = tm_yday + 1
tm.day = yday - mon_yday[x0 + 1] + 1 -- 1..31
tm.wday = (d + 1) % 7 -- 0..6
tm.wday = (d + 1) % 7 + 1 -- (0..6) + 1
return tm--return tm
end

2
apps/plugins/lua_scripts/time_date.lua
View file

@ -26,7 +26,7 @@ local tmo_noblock = -1
local ctx = 0 --CONTEXT_STD
while rb.get_action(ctx, 50) == 0 do
rb.splash(0, os.date())
rb.splash(0, os.date("%a %m/%d/%y %T (%b) %Y"))
end
collectgarbage("collect")