1 files changed, 93 insertions, 0 deletions
diff --git a/source/Host/common/StringConvert.cpp b/source/Host/common/StringConvert.cpp
new file mode 100644
index 000000000000..0a8e75f4b877
--- /dev/null
+++ b/source/Host/common/StringConvert.cpp
@@ -0,0 +1,93 @@
+//===-- StringConvert.cpp ---------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// C Includes
+#include <stdlib.h>
+
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/Host/StringConvert.h"
+
+namespace lldb_private {
+
+namespace StringConvert {
+
+int32_t
+ToSInt32 (const char *s, int32_t fail_value, int base, bool *success_ptr)
+{
+    if (s && s[0])
+    {
+        char *end = nullptr;
+        const long sval = ::strtol (s, &end, base);
+        if (*end == '\0')
+        {
+            if (success_ptr)
+                *success_ptr = ((sval <= INT32_MAX) && (sval >= INT32_MIN));
+            return (int32_t)sval; // All characters were used, return the result
+        }
+    }
+    if (success_ptr) *success_ptr = false;
+    return fail_value;
+}
+
+uint32_t
+ToUInt32 (const char *s, uint32_t fail_value, int base, bool *success_ptr)
+{
+    if (s && s[0])
+    {
+        char *end = nullptr;
+        const unsigned long uval = ::strtoul (s, &end, base);
+        if (*end == '\0')
+        {
+            if (success_ptr)
+                *success_ptr = (uval <= UINT32_MAX);
+            return (uint32_t)uval; // All characters were used, return the result
+        }
+    }
+    if (success_ptr) *success_ptr = false;
+    return fail_value;
+}
+
+int64_t
+ToSInt64 (const char *s, int64_t fail_value, int base, bool *success_ptr)
+{
+    if (s && s[0])
+    {
+        char *end = nullptr;
+        int64_t uval = ::strtoll (s, &end, base);
+        if (*end == '\0')
+        {
+            if (success_ptr) *success_ptr = true;
+            return uval; // All characters were used, return the result
+        }
+    }
+    if (success_ptr) *success_ptr = false;
+    return fail_value;
+}
+
+uint64_t
+ToUInt64 (const char *s, uint64_t fail_value, int base, bool *success_ptr)
+{
+    if (s && s[0])
+    {
+        char *end = nullptr;
+        uint64_t uval = ::strtoull (s, &end, base);
+        if (*end == '\0')
+        {
+            if (success_ptr) *success_ptr = true;
+            return uval; // All characters were used, return the result
+        }
+    }
+    if (success_ptr) *success_ptr = false;
+    return fail_value;
+}
+
+}
+}