From 5de2204fe84a89604a31253a299ab265dee76934 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 27 Nov 2001 00:03:19 +0000
Subject: Create a new #include "Support/..." directory structure to move
 things from "llvm/Support/..." that are not llvm dependant.

Move files and fix #includes

llvm-svn: 1400
---
 llvm/include/Support/StringExtras.h | 69 +++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 llvm/include/Support/StringExtras.h

(limited to 'llvm/include/Support/StringExtras.h')

diff --git a/llvm/include/Support/StringExtras.h b/llvm/include/Support/StringExtras.h
new file mode 100644
index 00000000000..e67e25ced51
--- /dev/null
+++ b/llvm/include/Support/StringExtras.h
@@ -0,0 +1,69 @@
+//===-- Support/StringExtras.h - Useful string functions ---------*- C++ -*--=//
+//
+// This file contains some functions that are useful when dealing with strings.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SUPPORT_STRING_EXTRAS_H
+#define SUPPORT_STRING_EXTRAS_H
+
+#include "Support/DataTypes.h"
+#include <string>
+#include <stdio.h>
+
+static inline string utostr(uint64_t X, bool isNeg = false) {
+  char Buffer[40];
+  char *BufPtr = Buffer+39;
+
+  *BufPtr = 0;                  // Null terminate buffer...
+  if (X == 0) *--BufPtr = '0';  // Handle special case...
+
+  while (X) {
+    *--BufPtr = '0' + (X % 10);
+    X /= 10;
+  }
+
+  if (isNeg) *--BufPtr = '-';   // Add negative sign...
+
+  return string(BufPtr);
+}
+
+static inline string itostr(int64_t X) {
+  if (X < 0) 
+    return utostr((uint64_t)-X, true);
+  else
+    return utostr((uint64_t)X);
+}
+
+
+static inline string utostr(unsigned X, bool isNeg = false) {
+  char Buffer[20];
+  char *BufPtr = Buffer+19;
+
+  *BufPtr = 0;                  // Null terminate buffer...
+  if (X == 0) *--BufPtr = '0';  // Handle special case...
+
+  while (X) {
+    *--BufPtr = '0' + (X % 10);
+    X /= 10;
+  }
+
+  if (isNeg) *--BufPtr = '-';   // Add negative sign...
+
+  return string(BufPtr);
+}
+
+static inline string itostr(int X) {
+  if (X < 0) 
+    return utostr((unsigned)-X, true);
+  else
+    return utostr((unsigned)X);
+}
+
+static inline string ftostr(double V) {
+  char Buffer[200];
+  snprintf(Buffer, 200, "%e", V);
+  return Buffer;
+}
+
+#endif
-- 
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