From 35c15b4bfe2de7205bbb35790a3418d7d3288156 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sun, 7 Apr 2002 08:36:19 +0000 Subject: [PATCH] Add new function utohexstr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2140 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/Support/StringExtras.h | 18 ++++++++++++++++++ include/llvm/ADT/StringExtras.h | 18 ++++++++++++++++++ 2 files changed, 36 insertions(+) diff --git a/include/Support/StringExtras.h b/include/Support/StringExtras.h index 46e2c5aaf0b..529d86caa20 100644 --- a/include/Support/StringExtras.h +++ b/include/Support/StringExtras.h @@ -11,6 +11,24 @@ #include #include +static inline std::string utohexstr(uint64_t X) { + char Buffer[40]; + char *BufPtr = Buffer+39; + + *BufPtr = 0; // Null terminate buffer... + if (X == 0) *--BufPtr = '0'; // Handle special case... + + while (X) { + unsigned Mod = X & 15; + if (Mod < 10) + *--BufPtr = '0' + Mod; + else + *--BufPtr = 'A' + Mod-10; + X >>= 4; + } + return std::string(BufPtr); +} + static inline std::string utostr(uint64_t X, bool isNeg = false) { char Buffer[40]; char *BufPtr = Buffer+39; diff --git a/include/llvm/ADT/StringExtras.h b/include/llvm/ADT/StringExtras.h index 46e2c5aaf0b..529d86caa20 100644 --- a/include/llvm/ADT/StringExtras.h +++ b/include/llvm/ADT/StringExtras.h @@ -11,6 +11,24 @@ #include #include +static inline std::string utohexstr(uint64_t X) { + char Buffer[40]; + char *BufPtr = Buffer+39; + + *BufPtr = 0; // Null terminate buffer... + if (X == 0) *--BufPtr = '0'; // Handle special case... + + while (X) { + unsigned Mod = X & 15; + if (Mod < 10) + *--BufPtr = '0' + Mod; + else + *--BufPtr = 'A' + Mod-10; + X >>= 4; + } + return std::string(BufPtr); +} + static inline std::string utostr(uint64_t X, bool isNeg = false) { char Buffer[40]; char *BufPtr = Buffer+39; -- 2.34.1