diff options
Diffstat (limited to 'src/vrcommon/strtools_public.cpp')
| -rw-r--r-- | src/vrcommon/strtools_public.cpp | 68 |
1 files changed, 67 insertions, 1 deletions
diff --git a/src/vrcommon/strtools_public.cpp b/src/vrcommon/strtools_public.cpp index 218a555..343ec42 100644 --- a/src/vrcommon/strtools_public.cpp +++ b/src/vrcommon/strtools_public.cpp @@ -1,5 +1,5 @@ //========= Copyright Valve Corporation ============// -#include "strtools_public.h" +#include <vrcore/strtools_public.h> #include <string.h> #include <stdio.h> #include <stdlib.h> @@ -9,11 +9,30 @@ #include <functional> #include <locale> #include <codecvt> +#include <vrcore/assert.h> #if defined( _WIN32 ) #include <windows.h> #endif +#if defined( OSX ) || defined( LINUX ) +//----------------------------------------------------------------------------- +// Purpose: stricmp -> strcasecmp bridge +//----------------------------------------------------------------------------- +int stricmp( const char *pStr1, const char *pStr2 ) +{ + return strcasecmp( pStr1, pStr2 ); +} + +//----------------------------------------------------------------------------- +// Purpose: strincmp -> strncasecmp bridge +//----------------------------------------------------------------------------- +int strnicmp( const char *pStr1, const char *pStr2, size_t unBufferLen ) +{ + return strncasecmp( pStr1, pStr2, unBufferLen ); +} +#endif + //----------------------------------------------------------------------------- // Purpose: //----------------------------------------------------------------------------- @@ -92,6 +111,53 @@ std::wstring UTF8to16(const char * in) std::wstring UTF8to16( const std::string & in ) { return UTF8to16( in.c_str() ); } +//----------------------------------------------------------------------------- +// Purpose: Format string to std::string converter +//----------------------------------------------------------------------------- +std::string Format( const char *pchFormat, ... ) +{ + static constexpr size_t k_ulMaxStackString = 4096; + + va_list args; + char pchBuffer[k_ulMaxStackString]; + + va_start( args, pchFormat ); + int unSize = vsnprintf( pchBuffer, sizeof( pchBuffer ), pchFormat, args ); + va_end( args ); + + // Something went fairly wrong + if ( unSize < 0 ) + { + AssertMsg( false, "Format string parse failure" ); + return ""; + } + + // Processing on the stack worked, success + if ( unSize < k_ulMaxStackString ) + { + return pchBuffer; + } + + // If processing on the stack failed, fallback to a dynamic allocation + std::vector< char > vecChar{}; + vecChar.resize( unSize + 1 ); + + va_start( args, pchFormat ); + unSize = vsnprintf( vecChar.data(), vecChar.size(), pchFormat, args ); + va_end( args ); + + // Double check, just in case + if ( unSize < 0 ) + { + AssertMsg( false, "Format string parse failure" ); + return ""; + } + + return vecChar.data(); +} + + + #if defined( _WIN32 ) //----------------------------------------------------------------------------- |