From fe467ab5dc7e8b4ceb095d286b60b3ea24562a87 Mon Sep 17 00:00:00 2001
From: wdfk-prog <1425075683@qq.com>
Date: Sun, 8 Dec 2024 13:04:25 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20[klib]=E6=B7=BB=E5=8A=A0=E5=AE=8C?=
 =?UTF-8?q?=E6=95=B4=E6=9B=BF=E4=BB=A3=E7=9A=84=20sprintf=E3=80=81snprintf?=
 =?UTF-8?q?=E3=80=81printf=E3=80=81vsprintf=20=E5=92=8C=20vsnprintf=20?=
 =?UTF-8?q?=E9=85=8D=E7=BD=AE=E9=80=89=E9=A1=B9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/klibc/Kconfig    | 22 +++++++++++++++++++++-
 src/klibc/SConscript | 10 +++++++++-
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/src/klibc/Kconfig b/src/klibc/Kconfig
index 0b00d10b8e8..eb3631b6953 100644
--- a/src/klibc/Kconfig
+++ b/src/klibc/Kconfig
@@ -98,7 +98,27 @@ menu "klibc options"
                     The number of terms in a Taylor series expansion of log_10(x) to
                     use for approximation - including the power-zero term (i.e. the
                     value at the point of expansion).
-
+            if RT_VER_NUM >= 0x40100
+                config RT_KLIBC_USING_FULL_REPLACING_SPRINTF
+                    bool "Enable to take over 'sprintf'"
+                    default n
+
+                config RT_KLIBC_USING_FULL_REPLACING_SNPRINTF
+                    bool "Enable to take over 'snprintf'"
+                    default n
+
+                config RT_KLIBC_USING_FULL_REPLACING_PRINTF
+                    bool "Enable to take over 'printf'"
+                    default n
+
+                config RT_KLIBC_USING_FULL_REPLACING_VSPRINTF
+                    bool "Enable to take over 'vsprintf'"
+                    default n
+
+                config RT_KLIBC_USING_FULL_REPLACING_VSNPRINTF
+                    bool "Enable to take over 'vsnprintf'"
+                    default n
+            endif
         endif
     endmenu # rt_vsnprintf options
 
diff --git a/src/klibc/SConscript b/src/klibc/SConscript
index eb629ef7250..ba6ca9d450b 100644
--- a/src/klibc/SConscript
+++ b/src/klibc/SConscript
@@ -3,6 +3,7 @@ import os
 
 cwd = GetCurrentDir()
 src = ['kerrno.c', 'kstdio.c', 'kstring.c']
+CPPDEFINES = []
 
 if not GetDepend(['RT_KLIBC_USING_LIBC_VSNPRINTF']):
     if GetDepend(['RT_KLIBC_USING_VSNPRINTF_STANDARD']):
@@ -13,7 +14,14 @@ if not GetDepend(['RT_KLIBC_USING_LIBC_VSNPRINTF']):
 if not GetDepend(['RT_KLIBC_USING_LIBC_VSSCANF']):
     src += ['rt_vsscanf.c']
 
-group = DefineGroup('klibc', src, depend = [''])
+if GetDepend('RT_KLIBC_USING_FULL_REPLACING_SPRINTF'):
+    CPPDEFINES += ['sprintf=rt_sprintf']
+if GetDepend('RT_KLIBC_USING_FULL_REPLACING_SNPRINTF'):
+    CPPDEFINES += ['snprintf=rt_snprintf']
+if GetDepend('RT_KLIBC_USING_FULL_REPLACING_PRINTF'):
+    CPPDEFINES += ['printf=rt_kprintf']
+
+group = DefineGroup('klibc', src, depend = [''], CPPDEFINES = CPPDEFINES)
 
 list = os.listdir(cwd)
 for item in list: