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author | 2020-08-03 14:33:06 +0000 | |
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committer | 2020-08-03 14:33:06 +0000 | |
commit | 061da546b983eb767bad15e67af1174fb0bcf31c (patch) | |
tree | 83c78b820819d70aa40c36d90447978b300078c5 /gnu/llvm/lldb/source/Host/common/StringConvert.cpp | |
parent | Import LLVM 10.0.0 release including clang, lld and lldb. (diff) | |
download | wireguard-openbsd-061da546b983eb767bad15e67af1174fb0bcf31c.tar.xz wireguard-openbsd-061da546b983eb767bad15e67af1174fb0bcf31c.zip |
Import LLVM 10.0.0 release including clang, lld and lldb.
ok hackroom
tested by plenty
Diffstat (limited to 'gnu/llvm/lldb/source/Host/common/StringConvert.cpp')
-rw-r--r-- | gnu/llvm/lldb/source/Host/common/StringConvert.cpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/gnu/llvm/lldb/source/Host/common/StringConvert.cpp b/gnu/llvm/lldb/source/Host/common/StringConvert.cpp new file mode 100644 index 00000000000..8bf04f0a9ca --- /dev/null +++ b/gnu/llvm/lldb/source/Host/common/StringConvert.cpp @@ -0,0 +1,95 @@ +//===-- StringConvert.cpp ---------------------------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include <stdlib.h> + +#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; +} + +double ToDouble(const char *s, double fail_value, bool *success_ptr) { + if (s && s[0]) { + char *end = nullptr; + double val = strtod(s, &end); + if (*end == '\0') { + if (success_ptr) + *success_ptr = true; + return val; // All characters were used, return the result + } + } + if (success_ptr) + *success_ptr = false; + return fail_value; +} +} +} |