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Simplify snprintf workaround usage.

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Via boost/core/snprintf.hpp
Remove some obsolete workarounds.
Remove tabs in files.
Supersedes https://github.com/boostorg/regex/pull/188.
This commit is contained in:
jzmaddock
2022-12-13 18:48:10 +00:00
parent 1cad53766e
commit 430419705b
4 changed files with 21 additions and 46 deletions
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14
include/boost/regex/v4/regex_workaround.hpp
View File

@ -198,10 +198,10 @@ namespace boost{ namespace BOOST_REGEX_DETAIL_NS{
const char *strSource
)
{
std::size_t lenSourceWithNull = std::strlen(strSource) + 1;
if (lenSourceWithNull > sizeInBytes)
std::size_t lenSourceWithNull = std::strlen(strSource) + 1;
if (lenSourceWithNull > sizeInBytes)
return 1;
std::memcpy(strDestination, strSource, lenSourceWithNull);
std::memcpy(strDestination, strSource, lenSourceWithNull);
return 0;
}
inline std::size_t strcat_s(
@ -210,11 +210,11 @@ namespace boost{ namespace BOOST_REGEX_DETAIL_NS{
const char *strSource
)
{
std::size_t lenSourceWithNull = std::strlen(strSource) + 1;
std::size_t lenDestination = std::strlen(strDestination);
if (lenSourceWithNull + lenDestination > sizeInBytes)
std::size_t lenSourceWithNull = std::strlen(strSource) + 1;
std::size_t lenDestination = std::strlen(strDestination);
if (lenSourceWithNull + lenDestination > sizeInBytes)
return 1;
std::memcpy(strDestination + lenDestination, strSource, lenSourceWithNull);
std::memcpy(strDestination + lenDestination, strSource, lenSourceWithNull);
return 0;
}

14
include/boost/regex/v5/regex_workaround.hpp
View File

@ -116,10 +116,10 @@ namespace boost{ namespace BOOST_REGEX_DETAIL_NS{
const char *strSource
)
{
std::size_t lenSourceWithNull = std::strlen(strSource) + 1;
if (lenSourceWithNull > sizeInBytes)
std::size_t lenSourceWithNull = std::strlen(strSource) + 1;
if (lenSourceWithNull > sizeInBytes)
return 1;
std::memcpy(strDestination, strSource, lenSourceWithNull);
std::memcpy(strDestination, strSource, lenSourceWithNull);
return 0;
}
inline std::size_t strcat_s(
@ -128,11 +128,11 @@ namespace boost{ namespace BOOST_REGEX_DETAIL_NS{
const char *strSource
)
{
std::size_t lenSourceWithNull = std::strlen(strSource) + 1;
std::size_t lenDestination = std::strlen(strDestination);
if (lenSourceWithNull + lenDestination > sizeInBytes)
std::size_t lenSourceWithNull = std::strlen(strSource) + 1;
std::size_t lenDestination = std::strlen(strDestination);
if (lenSourceWithNull + lenDestination > sizeInBytes)
return 1;
std::memcpy(strDestination + lenDestination, strSource, lenSourceWithNull);
std::memcpy(strDestination + lenDestination, strSource, lenSourceWithNull);
return 0;
}

30
src/posix_api.cpp
View File

@ -22,19 +22,15 @@
#include <boost/cregex.hpp>
#include <cstdio>
#if defined(BOOST_NO_STDC_NAMESPACE)
namespace std{
using ::sprintf;
using ::strcpy;
using ::strcmp;
}
#endif
#ifndef BOOST_WORKAROUND
#define BOOST_WORKAROUND(x, y) false
#endif
#ifndef BOOST_REGEX_STANDALONE
#include <boost/core/snprintf.hpp>
#else
namespace boost { namespace core { using std::snprintf; } }
#endif
namespace boost{
@ -180,13 +176,7 @@ BOOST_REGEX_DECL regsize_t BOOST_REGEX_CCALL regerrorA(int code, const regex_tA*
// We're converting an integer i to a string, and since i <= REG_E_UNKNOWN
// a five character string is *always* large enough:
//
#if !defined(BOOST_CXX_VERSION) || (BOOST_CXX_VERSION >= 201103)
int r = (std::snprintf)(localbuf, 5, "%d", i);
#elif BOOST_WORKAROUND(BOOST_MSVC, >= 1400) && !defined(_WIN32_WCE) && !defined(UNDER_CE)
int r = (::sprintf_s)(localbuf, 5, "%d", i);
#else
int r = (std::sprintf)(localbuf, "%d", i);
#endif
int r = (boost::core::snprintf)(localbuf, 5, "%d", i);
if(r < 0)
return 0; // sprintf failed
if(std::strlen(localbuf) < buf_size)
@ -194,13 +184,7 @@ BOOST_REGEX_DECL regsize_t BOOST_REGEX_CCALL regerrorA(int code, const regex_tA*
return std::strlen(localbuf) + 1;
}
}
#if !defined(BOOST_CXX_VERSION) || (BOOST_CXX_VERSION >= 201103)
int r = (::snprintf)(localbuf, 5, "%d", 0);
#elif BOOST_WORKAROUND(BOOST_MSVC, >= 1400) && !defined(_WIN32_WCE) && !defined(UNDER_CE)
int r = (::sprintf_s)(localbuf, 5, "%d", 0);
#else
int r = (std::sprintf)(localbuf, "%d", 0);
#endif
int r = (boost::core::snprintf)(localbuf, 5, "%d", 0);
if(r < 0)
return 0; // sprintf failed
if(std::strlen(localbuf) < buf_size)

9
src/wide_posix_api.cpp
View File

@ -37,15 +37,6 @@
#pragma warning(disable:981)
#endif
#if defined(BOOST_NO_STDC_NAMESPACE) || defined(__NetBSD__)
namespace std{
# ifndef BOOST_NO_SWPRINTF
using ::swprintf;
# endif
}
#endif
namespace boost{
namespace {