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Add new function utohexstr. 

llvm-svn: 2140
This commit is contained in:
Chris Lattner 2002-04-07 08:36:19 +00:00
parent b99f479f71
commit 2e183b5c44
1 changed files with 18 additions and 0 deletions
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18
llvm/include/Support/StringExtras.h
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@ -11,6 +11,24 @@
#include <string> #include <string>
#include <stdio.h> #include <stdio.h>
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) { static inline std::string utostr(uint64_t X, bool isNeg = false) {
char Buffer[40]; char Buffer[40];
char *BufPtr = Buffer+39; char *BufPtr = Buffer+39;