[reactos] 06/10: [FREELDR:UI] TuiUpdateDateTime(): Simplify building the date/time strings.

[Hermès Bélusca-Maïto]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=44ed4fb001f091f75be16…

commit 44ed4fb001f091f75be168f40c9096f38b15d647
Author:     Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org>
AuthorDate: Sun Feb 20 04:09:47 2022 +0100
Commit:     Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org>
CommitDate: Mon Feb 21 02:54:02 2022 +0100

    [FREELDR:UI] TuiUpdateDateTime(): Simplify building the date/time strings.
---
 boot/freeldr/freeldr/include/ui.h |  2 +-
 boot/freeldr/freeldr/ui/tui.c     | 93 ++++++++++++++-------------------------
 boot/freeldr/freeldr/ui/ui.c      |  2 +-
 3 files changed, 35 insertions(+), 62 deletions(-)

diff --git a/boot/freeldr/freeldr/include/ui.h b/boot/freeldr/freeldr/include/ui.h
index 938192e19b8..d27815599fd 100644
--- a/boot/freeldr/freeldr/include/ui.h
+++ b/boot/freeldr/freeldr/include/ui.h
@@ -47,7 +47,7 @@ extern BOOLEAN  UiMenuBox;
 extern CHAR     UiTimeText[];
 extern BOOLEAN  UiDrawTime;
 
-extern const CHAR UiMonthNames[12][15];
+extern const PCSTR UiMonthNames[12];
 
 ///////////////////////////////////////////////////////////////////////////////////////
 //
diff --git a/boot/freeldr/freeldr/ui/tui.c b/boot/freeldr/freeldr/ui/tui.c
index c75afedc236..4c3a1eeb058 100644
--- a/boot/freeldr/freeldr/ui/tui.c
+++ b/boot/freeldr/freeldr/ui/tui.c
@@ -533,11 +533,10 @@ VOID TuiDrawStatusText(PCSTR StatusText)
 
 VOID TuiUpdateDateTime(VOID)
 {
-    TIMEINFO*    TimeInfo;
-    char    DateString[40];
-    CHAR    TimeString[40];
-    CHAR    TempString[20];
-    BOOLEAN    PMHour = FALSE;
+    TIMEINFO* TimeInfo;
+    PCSTR   DayPostfix;
+    BOOLEAN PMHour = FALSE;
+    CHAR Buffer[40];
 
     /* Don't draw the time if this has been disabled */
     if (!UiDrawTime) return;
@@ -550,43 +549,33 @@ VOID TuiUpdateDateTime(VOID)
         59 < TimeInfo->Minute ||
         59 < TimeInfo->Second)
     {
-        /* This happens on QEmu sometimes. We just skip updating */
+        /* This happens on QEmu sometimes. We just skip updating. */
         return;
     }
-    // Get the month name
-    strcpy(DateString, UiMonthNames[TimeInfo->Month - 1]);
-    // Get the day
-    _itoa(TimeInfo->Day, TempString, 10);
-    // Get the day postfix
+
+    /* Get the day postfix */
     if (1 == TimeInfo->Day || 21 == TimeInfo->Day || 31 == TimeInfo->Day)
-    {
-        strcat(TempString, "st");
-    }
+        DayPostfix = "st";
     else if (2 == TimeInfo->Day || 22 == TimeInfo->Day)
-    {
-        strcat(TempString, "nd");
-    }
+        DayPostfix = "nd";
     else if (3 == TimeInfo->Day || 23 == TimeInfo->Day)
-    {
-        strcat(TempString, "rd");
-    }
+        DayPostfix = "rd";
     else
-    {
-        strcat(TempString, "th");
-    }
-
-    // Add the day to the date
-    strcat(DateString, TempString);
-    strcat(DateString, " ");
+        DayPostfix = "th";
 
-    // Get the year and add it to the date
-    _itoa(TimeInfo->Year, TempString, 10);
-    strcat(DateString, TempString);
+    /* Build the date string in format: "MMMM dx yyyy" */
+    RtlStringCbPrintfA(Buffer, sizeof(Buffer),
+                       "%s %d%s %d",
+                       UiMonthNames[TimeInfo->Month - 1],
+                       TimeInfo->Day,
+                       DayPostfix,
+                       TimeInfo->Year);
 
-    // Draw the date
-    TuiDrawText(UiScreenWidth-(ULONG)strlen(DateString)-2, 1, DateString,
ATTR(UiTitleBoxFgColor, UiTitleBoxBgColor));
+    /* Draw the date */
+    TuiDrawText(UiScreenWidth - (ULONG)strlen(Buffer) - 2, 1,
+                Buffer, ATTR(UiTitleBoxFgColor, UiTitleBoxBgColor));
 
-    // Get the hour and change from 24-hour mode to 12-hour
+    /* Get the hour and change from 24-hour mode to 12-hour */
     if (TimeInfo->Hour > 12)
     {
         TimeInfo->Hour -= 12;
@@ -596,34 +585,18 @@ VOID TuiUpdateDateTime(VOID)
     {
         TimeInfo->Hour = 12;
     }
-    _itoa(TimeInfo->Hour, TempString, 10);
-    strcpy(TimeString, "    ");
-    strcat(TimeString, TempString);
-    strcat(TimeString, ":");
-    _itoa(TimeInfo->Minute, TempString, 10);
-    if (TimeInfo->Minute < 10)
-    {
-        strcat(TimeString, "0");
-    }
-    strcat(TimeString, TempString);
-    strcat(TimeString, ":");
-    _itoa(TimeInfo->Second, TempString, 10);
-    if (TimeInfo->Second < 10)
-    {
-        strcat(TimeString, "0");
-    }
-    strcat(TimeString, TempString);
-    if (PMHour)
-    {
-        strcat(TimeString, " PM");
-    }
-    else
-    {
-        strcat(TimeString, " AM");
-    }
 
-    // Draw the time
-    TuiDrawText(UiScreenWidth-(ULONG)strlen(TimeString)-2, 2, TimeString,
ATTR(UiTitleBoxFgColor, UiTitleBoxBgColor));
+    /* Build the time string in format: "h:mm:ss tt" */
+    RtlStringCbPrintfA(Buffer, sizeof(Buffer),
+                       "    %d:%02d:%02d %s",
+                       TimeInfo->Hour,
+                       TimeInfo->Minute,
+                       TimeInfo->Second,
+                       PMHour ? "PM" : "AM");
+
+    /* Draw the time */
+    TuiDrawText(UiScreenWidth - (ULONG)strlen(Buffer) - 2, 2,
+                Buffer, ATTR(UiTitleBoxFgColor, UiTitleBoxBgColor));
 }
 
 VOID TuiSaveScreen(PUCHAR Buffer)
diff --git a/boot/freeldr/freeldr/ui/ui.c b/boot/freeldr/freeldr/ui/ui.c
index 513cabfc195..49636eab5e5 100644
--- a/boot/freeldr/freeldr/ui/ui.c
+++ b/boot/freeldr/freeldr/ui/ui.c
@@ -54,7 +54,7 @@ BOOLEAN UiCenterMenu        = TRUE;     // Tells us if we should use a
centered
 BOOLEAN UiMenuBox           = TRUE;     // Tells us if we should draw a box around the
menu
 CHAR    UiTimeText[260] = "[Time Remaining: %d]";
 
-const CHAR UiMonthNames[12][15] = { "January ", "February ",
"March ", "April ", "May ", "June ", "July
", "August ", "September ", "October ", "November
", "December " };
+const PCSTR UiMonthNames[12] = { "January", "February",
"March", "April", "May", "June", "July",
"August", "September", "October", "November",
"December" };
 
 #endif // _M_ARM