diff options
Diffstat (limited to 'src/dirent')
| -rw-r--r-- | src/dirent/dirent-win32.c | 199 | ||||
| -rw-r--r-- | src/dirent/dirent-win32.h | 28 | ||||
| -rw-r--r-- | src/dirent/dirent.vcxproj | 60 | ||||
| -rw-r--r-- | src/dirent/dirent.vcxproj.filters | 23 |
4 files changed, 310 insertions, 0 deletions
diff --git a/src/dirent/dirent-win32.c b/src/dirent/dirent-win32.c new file mode 100644 index 00000000..273c6732 --- /dev/null +++ b/src/dirent/dirent-win32.c @@ -0,0 +1,199 @@ +/***************************************************************************** + * dirent.h - dirent API for Microsoft Visual Studio + * + * Copyright (C) 2006 Toni Ronkko + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * ``Software''), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL TONI RONKKO BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Dec 15, 2009, John Cunningham + * Added rewinddir member function + * + * Jan 18, 2008, Toni Ronkko + * Using FindFirstFileA and WIN32_FIND_DATAA to avoid converting string + * between multi-byte and unicode representations. This makes the + * code simpler and also allows the code to be compiled under MingW. Thanks + * to Azriel Fasten for the suggestion. + * + * Mar 4, 2007, Toni Ronkko + * Bug fix: due to the strncpy_s() function this file only compiled in + * Visual Studio 2005. Using the new string functions only when the + * compiler version allows. + * + * Nov 2, 2006, Toni Ronkko + * Major update: removed support for Watcom C, MS-DOS and Turbo C to + * simplify the file, updated the code to compile cleanly on Visual + * Studio 2005 with both unicode and multi-byte character strings, + * removed rewinddir() as it had a bug. + * + * Aug 20, 2006, Toni Ronkko + * Removed all remarks about MSVC 1.0, which is antiqued now. Simplified + * comments by removing SGML tags. + * + * May 14 2002, Toni Ronkko + * Embedded the function definitions directly to the header so that no + * source modules need to be included in the Visual Studio project. Removed + * all the dependencies to other projects so that this very header can be + * used independently. + * + * May 28 1998, Toni Ronkko + * First version. + *****************************************************************************/ + +#include "dirent-win32.h" + +/* Use the new safe string functions introduced in Visual Studio 2005 */ +#if defined(_MSC_VER) && _MSC_VER >= 1400 +# define STRNCPY(dest,src,size) strncpy_s((dest),(size),(src),_TRUNCATE) +#else +# define STRNCPY(dest,src,size) strncpy((dest),(src),(size)) +#endif + + +/***************************************************************************** + * Open directory stream DIRNAME for read and return a pointer to the + * internal working area that is used to retrieve individual directory + * entries. + */ +DIR *opendir(const char *dirname) +{ + DIR *dirp; + assert (dirname != NULL); + assert (strlen (dirname) < MAX_PATH); + + /* construct new DIR structure */ + dirp = (DIR*) malloc (sizeof (struct DIR)); + if (dirp != NULL) { + char *p; + + /* take directory name... */ + STRNCPY (dirp->patt, dirname, sizeof(dirp->patt)); + dirp->patt[MAX_PATH] = '\0'; + + /* ... and append search pattern to it */ + p = strchr (dirp->patt, '\0'); + if (dirp->patt < p && *(p-1) != '\\' && *(p-1) != ':') { + *p++ = '\\'; + } + *p++ = '*'; + *p = '\0'; + + /* open stream and retrieve first file */ + dirp->search_handle = FindFirstFileA (dirp->patt, &dirp->current.data); + if (dirp->search_handle == INVALID_HANDLE_VALUE) { + /* invalid search pattern? */ + free (dirp); + return NULL; + } + + /* there is an un-processed directory entry in memory now */ + dirp->cached = 1; + } + + return dirp; +} + + +/***************************************************************************** + * Read a directory entry, and return a pointer to a dirent structure + * containing the name of the entry in d_name field. Individual directory + * entries returned by this very function include regular files, + * sub-directories, pseudo-directories "." and "..", but also volume labels, + * hidden files and system files may be returned. + */ +struct dirent *readdir(DIR *dirp) +{ + assert (dirp != NULL); + + if (dirp->search_handle == INVALID_HANDLE_VALUE) { + /* directory stream was opened/rewound incorrectly or ended normally */ + return NULL; + } + + /* get next directory entry */ + if (dirp->cached != 0) { + /* a valid directory entry already in memory */ + dirp->cached = 0; + } else { + /* read next directory entry from disk */ + if (FindNextFileA (dirp->search_handle, &dirp->current.data) == FALSE) { + /* the very last file has been processed or an error occured */ + FindClose (dirp->search_handle); + dirp->search_handle = INVALID_HANDLE_VALUE; + return NULL; + } + } + + /* copy as a multibyte character string */ + STRNCPY ( dirp->current.d_name, + dirp->current.data.cFileName, + sizeof(dirp->current.d_name) ); + dirp->current.d_name[MAX_PATH] = '\0'; + + return &dirp->current; +} + + +/***************************************************************************** + * Close directory stream opened by opendir() function. Close of the + * directory stream invalidates the DIR structure as well as any previously + * read directory entry. + */ +int closedir(DIR *dirp) +{ + assert (dirp != NULL); + + /* release search handle */ + if (dirp->search_handle != INVALID_HANDLE_VALUE) { + FindClose (dirp->search_handle); + dirp->search_handle = INVALID_HANDLE_VALUE; + } + + /* release directory handle */ + free (dirp); + return 0; +} + + +/***************************************************************************** + * Resets the position of the directory stream to which dirp refers to the + * beginning of the directory. It also causes the directory stream to refer + * to the current state of the corresponding directory, as a call to opendir() + * would have done. If dirp does not refer to a directory stream, the effect + * is undefined. + */ +void rewinddir(DIR* dirp) +{ + /* release search handle */ + if (dirp->search_handle != INVALID_HANDLE_VALUE) { + FindClose (dirp->search_handle); + dirp->search_handle = INVALID_HANDLE_VALUE; + } + + /* open new search handle and retrieve first file */ + dirp->search_handle = FindFirstFileA (dirp->patt, &dirp->current.data); + if (dirp->search_handle == INVALID_HANDLE_VALUE) { + /* invalid search pattern? */ + free (dirp); + return; + } + + /* there is an un-processed directory entry in memory now */ + dirp->cached = 1; +} diff --git a/src/dirent/dirent-win32.h b/src/dirent/dirent-win32.h new file mode 100644 index 00000000..cbb753e6 --- /dev/null +++ b/src/dirent/dirent-win32.h @@ -0,0 +1,28 @@ +#ifndef DIRENT_H +#define DIRENT_H + +#include <windows.h> +#include <string.h> +#include <assert.h> + +typedef struct dirent +{ + char d_name[MAX_PATH + 1]; /* current dir entry (multi-byte char string) */ + WIN32_FIND_DATAA data; /* file attributes */ +} dirent; + +typedef struct DIR +{ + dirent current; /* Current directory entry */ + int cached; /* Indicates un-processed entry in memory */ + HANDLE search_handle; /* File search handle */ + char patt[MAX_PATH + 3]; /* search pattern (3 = pattern + "\\*\0") */ +} DIR; + +/* Forward declarations */ +DIR *opendir (const char *dirname); +struct dirent *readdir (DIR *dirp); +int closedir (DIR *dirp); +void rewinddir(DIR* dirp); + +#endif /*DIRENT_H*/ diff --git a/src/dirent/dirent.vcxproj b/src/dirent/dirent.vcxproj new file mode 100644 index 00000000..65fa2fb0 --- /dev/null +++ b/src/dirent/dirent.vcxproj @@ -0,0 +1,60 @@ +<?xml version="1.0" encoding="utf-8"?> +<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> + <ItemGroup Label="ProjectConfigurations"> + <ProjectConfiguration Include="Release|Win32"> + <Configuration>Release</Configuration> + <Platform>Win32</Platform> + </ProjectConfiguration> + </ItemGroup> + <ItemGroup> + <ClInclude Include="dirent-win32.h" /> + </ItemGroup> + <ItemGroup> + <ClCompile Include="dirent-win32.c" /> + </ItemGroup> + <PropertyGroup Label="Globals"> + <ProjectGuid>{98B56DF9-E4F1-4696-A565-5F7823CF214D}</ProjectGuid> + <Keyword>Win32Proj</Keyword> + <RootNamespace>dirent</RootNamespace> + </PropertyGroup> + <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" /> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration"> + <ConfigurationType>StaticLibrary</ConfigurationType> + <UseDebugLibraries>false</UseDebugLibraries> + <WholeProgramOptimization>true</WholeProgramOptimization> + <CharacterSet>MultiByte</CharacterSet> + <PlatformToolset>WDK7</PlatformToolset> + </PropertyGroup> + <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" /> + <ImportGroup Label="ExtensionSettings"> + </ImportGroup> + <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'"> + <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" /> + <Import Project="..\..\win32\xchat.props" /> + </ImportGroup> + <PropertyGroup Label="UserMacros" /> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'"> + <TargetName>$(ProjectName)-win32</TargetName> + </PropertyGroup> + <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'"> + <ClCompile> + <WarningLevel>Level1</WarningLevel> + <PrecompiledHeader> + </PrecompiledHeader> + <Optimization>MaxSpeed</Optimization> + <FunctionLevelLinking>true</FunctionLevelLinking> + <IntrinsicFunctions>true</IntrinsicFunctions> + <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions> + <MultiProcessorCompilation>true</MultiProcessorCompilation> + </ClCompile> + <Link> + <SubSystem>Windows</SubSystem> + <GenerateDebugInformation>true</GenerateDebugInformation> + <EnableCOMDATFolding>true</EnableCOMDATFolding> + <OptimizeReferences>true</OptimizeReferences> + </Link> + </ItemDefinitionGroup> + <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" /> + <ImportGroup Label="ExtensionTargets"> + </ImportGroup> +</Project> \ No newline at end of file diff --git a/src/dirent/dirent.vcxproj.filters b/src/dirent/dirent.vcxproj.filters new file mode 100644 index 00000000..d889015d --- /dev/null +++ b/src/dirent/dirent.vcxproj.filters @@ -0,0 +1,23 @@ +<?xml version="1.0" encoding="utf-8"?> +<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> + <ItemGroup> + <Filter Include="Source Files"> + <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier> + <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions> + </Filter> + <Filter Include="Header Files"> + <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier> + <Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions> + </Filter> + </ItemGroup> + <ItemGroup> + <ClInclude Include="dirent-win32.h"> + <Filter>Header Files</Filter> + </ClInclude> + </ItemGroup> + <ItemGroup> + <ClCompile Include="dirent-win32.c"> + <Filter>Source Files</Filter> + </ClCompile> + </ItemGroup> +</Project> \ No newline at end of file |