trex - ARCHIVED- 2020-07-23 at the request of the project

path: root/scripts/automation/regression/test_pcaps

diff options

author	Yaroslav Brustinov <ybrustin@cisco.com>	2016-11-28 12:51:01 +0200
committer	Yaroslav Brustinov <ybrustin@cisco.com>	2016-11-28 12:51:01 +0200
commit	a3e153d3a380ed8cedbc5ffa3c6c895393ea6554 (patch)
tree	f23c1a0f7658dea7fcb203fbb823d01ea43e4053 /scripts/automation/regression/test_pcaps
parent	c0ef94db594c12eaf4ce5c28dab719b004751351 (diff)

regression: update ipg_usec at stateless benchmark at trex06

Signed-off-by: Yaroslav Brustinov <ybrustin@cisco.com>

Diffstat (limited to 'scripts/automation/regression/test_pcaps')

0 files changed, 0 insertions, 0 deletions

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/*! @file SimpleGlob.h

    @version 3.5

    @brief A cross-platform file globbing library providing the ability to
    expand wildcards in command-line arguments to a list of all matching 
    files. It is designed explicitly to be portable to any platform and has 
    been tested on Windows and Linux. See CSimpleGlobTempl for the class 
    definition.

    @section features FEATURES

    -   MIT Licence allows free use in all software (including GPL and 
        commercial)
    -   multi-platform (Windows 95/98/ME/NT/2K/XP, Linux, Unix)
    -   supports most of the standard linux glob() options
    -   recognition of a forward paths as equivalent to a backward slash 
        on Windows. e.g. "c:/path/foo*" is equivalent to "c:\path\foo*".
    -   implemented with only a single C++ header file
    -   char, wchar_t and Windows TCHAR in the same program
    -   complete working examples included
    -   compiles cleanly at warning level 4 (Windows/VC.NET 2003), 
        warning level 3 (Windows/VC6) and -Wall (Linux/gcc)

    @section usage USAGE

    The SimpleGlob class is used by following these steps:

    <ol>
    <li> Include the SimpleGlob.h header file

        <pre>
        \#include "SimpleGlob.h"
        </pre>

   <li> Instantiate a CSimpleGlob object supplying the appropriate flags.

        <pre>
        @link CSimpleGlobTempl CSimpleGlob @endlink glob(FLAGS);
        </pre>

   <li> Add all file specifications to the glob class.

        <pre>
        glob.Add("file*");
        glob.Add(argc, argv);
        </pre>

   <li> Process all files with File(), Files() and FileCount()

        <pre>
        for (int n = 0; n < glob.FileCount(); ++n) {
            ProcessFile(glob.File(n));
        }
        </pre>

    </ol>

    @section licence MIT LICENCE

    The licence text below is the boilerplate "MIT Licence" used from:
    http://www.opensource.org/licenses/mit-license.php

    Copyright (c) 2006-2007, Brodie Thiesfield

    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 THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/

#ifndef INCLUDED_SimpleGlob
#define INCLUDED_SimpleGlob

/*! @brief The operation of SimpleGlob is fine-tuned via the use of a 
    combination of the following flags.

    The flags may be passed at initialization of the class and used for every
    filespec added, or alternatively they may optionally be specified in the
    call to Add() and be different for each filespec.

    @param SG_GLOB_ERR
        Return upon read error (e.g. directory does not have read permission)

    @param SG_GLOB_MARK
        Append a slash (backslash in Windows) to every path which corresponds
        to a directory

    @param SG_GLOB_NOSORT
        By default, files are returned in sorted into string order. With this
        flag, no sorting is done. This is not compatible with 
        SG_GLOB_FULLSORT.

    @param SG_GLOB_FULLSORT
        By default, files are sorted in groups belonging to each filespec that
        was added. For example if the filespec "b*" was added before the 
        filespec "a*" then the argv array will contain all b* files sorted in 
        order, followed by all a* files sorted in order. If this flag is 
        specified, the entire array will be sorted ignoring the filespec 
        groups.

    @param SG_GLOB_NOCHECK
        If the pattern doesn't match anything, return the original pattern.

    @param SG_GLOB_TILDE
        Tilde expansion is carried out (on Unix platforms)

    @param SG_GLOB_ONLYDIR
        Return only directories which match (not compatible with 
        SG_GLOB_ONLYFILE)

    @param SG_GLOB_ONLYFILE
        Return only files which match (not compatible with SG_GLOB_ONLYDIR)

    @param SG_GLOB_NODOT
        Do not return the "." or ".." special directories.
 */
enum SG_Flags {
    SG_GLOB_ERR         = 1 << 0,
    SG_GLOB_MARK        = 1 << 1,
    SG_GLOB_NOSORT      = 1 << 2,
    SG_GLOB_NOCHECK     = 1 << 3,
    SG_GLOB_TILDE       = 1 << 4,
    SG_GLOB_ONLYDIR     = 1 << 5,
    SG_GLOB_ONLYFILE    = 1 << 6,
    SG_GLOB_NODOT       = 1 << 7,
    SG_GLOB_FULLSORT    = 1 << 8
};

/*! @brief Error return codes */
enum SG_Error {
    SG_SUCCESS          =  0,
    SG_ERR_NOMATCH      =  1,
    SG_ERR_MEMORY       = -1,
    SG_ERR_FAILURE      = -2
};
#ifndef MAX_PATH
# define MAX_PATH           4096
#endif
// ---------------------------------------------------------------------------
// Platform dependent implementations

// if we aren't on Windows and we have ICU available, then enable ICU
// by default. Define this to 0 to intentially disable it.
#ifndef SG_HAVE_ICU
# if !defined(WIN32) && defined(USTRING_H)
#   define SG_HAVE_ICU 1
# else
#   define SG_HAVE_ICU 0
# endif
#endif

// don't include this in documentation as it isn't relevant
#ifndef DOXYGEN

// on Windows we want to use MBCS aware string functions and mimic the
// Unix glob functionality. On Unix we just use glob.
#ifdef WIN32
# include <mbstring.h>
# define sg_strchr          ::_mbschr
# define sg_strrchr         ::_mbsrchr
# define sg_strlen          ::_mbslen
# if __STDC_WANT_SECURE_LIB__
#  define sg_strcpy_s(a,n,b) ::_mbscpy_s(a,n,b)
# else
#  define sg_strcpy_s(a,n,b) ::_mbscpy(a,b)
# endif
# define sg_strcmp          ::_mbscmp
# define sg_strcasecmp      ::_mbsicmp
# define SOCHAR_T           unsigned char
#else
# include <sys/types.h>
# include <sys/stat.h>
# include <glob.h>
# include <limits.h>
# define sg_strchr          ::strchr
# define sg_strrchr         ::strrchr
# define sg_strlen          ::strlen
# define sg_strcpy_s(a,n,b) ::strcpy(a,b)
# define sg_strcmp          ::strcmp
# define sg_strcasecmp      ::strcasecmp
# define SOCHAR_T           char
#endif

#include <stdlib.h>
#include <string.h>
#include <wchar.h>

// use assertions to test the input data
#ifdef _DEBUG
# ifdef _MSC_VER
#  include <crtdbg.h>
#  define SG_ASSERT(b)    _ASSERTE(b)
# else
#  include <assert.h>
#  define SG_ASSERT(b)    assert(b)
# endif
#else
# define SG_ASSERT(b)
#endif

/*! @brief String manipulation functions. */
class SimpleGlobUtil
{
public:
    static const char * strchr(const char *s, char c) {
        return (char *) sg_strchr((const SOCHAR_T *)s, c);
    }
    static const wchar_t * strchr(const wchar_t *s, wchar_t c) {
        return ::wcschr(s, c);
    }
#if SG_HAVE_ICU
    static const UChar * strchr(const UChar *s, UChar c) {
        return ::u_strchr(s, c);
    }
#endif

    static const char * strrchr(const char *s, char c) {
        return (char *) sg_strrchr((const SOCHAR_T *)s, c);
    }
    static const wchar_t * strrchr(const wchar_t *s, wchar_t c) {
        return ::wcsrchr(s, c);
    }
#if SG_HAVE_ICU
    static const UChar * strrchr(const UChar *s, UChar c) {
        return ::u_strrchr(s, c);
    }
#endif

    // Note: char strlen returns number of bytes, not characters
    static size_t strlen(const char *s) { return ::strlen(s); }
    static size_t strlen(const wchar_t *s) { return ::wcslen(s); }
#if SG_HAVE_ICU
    static size_t strlen(const UChar *s) { return ::u_strlen(s); }
#endif

    static void strcpy_s(char *dst, size_t n, const char *src)  {
        (void) n;
        sg_strcpy_s((SOCHAR_T *)dst, n, (const SOCHAR_T *)src);
    }
    static void strcpy_s(wchar_t *dst, size_t n, const wchar_t *src) {
# if __STDC_WANT_SECURE_LIB__
        ::wcscpy_s(dst, n, src);
#else
        (void) n;
        ::wcscpy(dst, src);
#endif
    }
#if SG_HAVE_ICU
    static void strcpy_s(UChar *dst, size_t n, const UChar *src)  {
        ::u_strncpy(dst, src, n);
    }
#endif

    static int strcmp(const char *s1, const char *s2) {
        return sg_strcmp((const SOCHAR_T *)s1, (const SOCHAR_T *)s2);
    }
    static int strcmp(const wchar_t *s1, const wchar_t *s2) {
        return ::wcscmp(s1, s2);
    }
#if SG_HAVE_ICU
    static int strcmp(const UChar *s1, const UChar *s2) {
        return ::u_strcmp(s1, s2);
    }
#endif

    static int strcasecmp(const char *s1, const char *s2) {
        return sg_strcasecmp((const SOCHAR_T *)s1, (const SOCHAR_T *)s2);
    }
#if WIN32
    static int strcasecmp(const wchar_t *s1, const wchar_t *s2) {
        return ::_wcsicmp(s1, s2);
    }
#endif // WIN32
#if SG_HAVE_ICU
    static int strcasecmp(const UChar *s1, const UChar *s2) {
        return u_strcasecmp(s1, s2, 0);
    }
#endif
};

enum SG_FileType {
    SG_FILETYPE_INVALID,
    SG_FILETYPE_FILE,
    SG_FILETYPE_DIR
};

#ifdef WIN32
#ifndef INVALID_FILE_ATTRIBUTES
# define INVALID_FILE_ATTRIBUTES    ((uint32_t)-1)
#endif

#define SG_PATH_CHAR    '\\'

/*! @brief Windows glob implementation. */
template<class SOCHAR>
struct SimpleGlobBase
{
    SimpleGlobBase() : m_hFind(INVALID_HANDLE_VALUE) { }

    int FindFirstFileS(const char * a_pszFileSpec, unsigned int) {
        m_hFind = FindFirstFileA(a_pszFileSpec, &m_oFindDataA);
        if (m_hFind != INVALID_HANDLE_VALUE) {
            return SG_SUCCESS;
        }
        uint32_t dwErr = GetLastError();
        if (dwErr == ERROR_FILE_NOT_FOUND) {
            return SG_ERR_NOMATCH;
        }
        return SG_ERR_FAILURE;
    }
   /* int FindFirstFileS(const wchar_t * a_pszFileSpec, unsigned int) {
        m_hFind = FindFirstFileW(a_pszFileSpec, &m_oFindDataW);
        if (m_hFind != INVALID_HANDLE_VALUE) {
            return SG_SUCCESS;
        }
        uint32_t dwErr = GetLastError();
        if (dwErr == ERROR_FILE_NOT_FOUND) {
            return SG_ERR_NOMATCH;
        }
        return SG_ERR_FAILURE;
    }*/

    bool FindNextFileS(char) {
        return FindNextFileA(m_hFind, &m_oFindDataA) != FALSE;
    }
  /*  bool FindNextFileS(wchar_t) {
        return FindNextFileW(m_hFind, &m_oFindDataW) != FALSE;
    }*/

    void FindDone() {
        FindClose(m_hFind);
    }

    const char * GetFileNameS(char) const {
        return m_oFindDataA.cFileName;
    }
    /*const wchar_t * GetFileNameS(wchar_t) const {
        return m_oFindDataW.cFileName;
    }*/

    bool IsDirS(char) const {
        return GetFileTypeS(m_oFindDataA.dwFileAttributes) == SG_FILETYPE_DIR;
    }
    /*bool IsDirS(wchar_t) const {
        return GetFileTypeS(m_oFindDataW.dwFileAttributes) == SG_FILETYPE_DIR;
    }*/

    SG_FileType GetFileTypeS(const char * a_pszPath) {
        return GetFileTypeS(GetFileAttributesA(a_pszPath));
    }
    /*SG_FileType GetFileTypeS(const wchar_t * a_pszPath)  {
        return GetFileTypeS(GetFileAttributesW(a_pszPath));
    }*/
    SG_FileType GetFileTypeS(uint32_t a_dwAttribs) const {
        if (a_dwAttribs == INVALID_FILE_ATTRIBUTES) {
            return SG_FILETYPE_INVALID;
        }
        if (a_dwAttribs & FILE_ATTRIBUTE_DIRECTORY) {
            return SG_FILETYPE_DIR;
        }
        return SG_FILETYPE_FILE;
    }
typedef struct _FILETIME {
    uint32_t dwLowDateTime;
    uint32_t dwHighDateTime;
} FILETIME;


typedef struct _WIN32_FIND_DATAA {
    uint32_t dwFileAttributes;
    FILETIME ftCreationTime;
    FILETIME ftLastAccessTime;
    FILETIME ftLastWriteTime;
    uint32_t nFileSizeHigh;
    uint32_t nFileSizerLow;
    uint32_t dwReserved0;
    uint32_t dwReserved1;
    char     cFileName[MAX_PATH];
    char     cAlternateFileName[14];
} WIN32_FIND_DATAA;

private:
    void *              m_hFind;
    WIN32_FIND_DATAA    m_oFindDataA;
    WIN32_FIND_DATAA    m_oFindDataW;
};

#else // !WIN32

#define SG_PATH_CHAR    '/'

/*! @brief Unix glob implementation. */
template<class SOCHAR>
struct SimpleGlobBase
{
    SimpleGlobBase() {
        memset(&m_glob, 0, sizeof(m_glob));
        m_uiCurr = (size_t)-1;
    }

    ~SimpleGlobBase() {
        globfree(&m_glob);
    }

    void FilePrep() {
        m_bIsDir = false;
        size_t len = strlen(m_glob.gl_pathv[m_uiCurr]);
        if (m_glob.gl_pathv[m_uiCurr][len-1] == '/') {
            m_bIsDir = true;
            m_glob.gl_pathv[m_uiCurr][len-1] = 0;
        }
    }

    int FindFirstFileS(const char * a_pszFileSpec, unsigned int a_uiFlags) {
        int nFlags = GLOB_MARK | GLOB_NOSORT;
        if (a_uiFlags & SG_GLOB_ERR)    nFlags |= GLOB_ERR;
        if (a_uiFlags & SG_GLOB_TILDE)  nFlags |= GLOB_TILDE;
        int rc = glob(a_pszFileSpec, nFlags, NULL, &m_glob);
        if (rc == GLOB_NOSPACE) return SG_ERR_MEMORY;
        if (rc == GLOB_ABORTED) return SG_ERR_FAILURE;
        if (rc == GLOB_NOMATCH) return SG_ERR_NOMATCH;
        m_uiCurr = 0;
        FilePrep();
        return SG_SUCCESS;
    }

#if SG_HAVE_ICU
    int FindFirstFileS(const UChar * a_pszFileSpec, unsigned int a_uiFlags) {
        char buf[PATH_MAX] = { 0 };
        UErrorCode status = U_ZERO_ERROR;
        u_strToUTF8(buf, sizeof(buf), NULL, a_pszFileSpec, -1, &status);
        if (U_FAILURE(status)) return SG_ERR_FAILURE;
        return FindFirstFileS(buf, a_uiFlags);
    }
#endif

    bool FindNextFileS(char) {
        SG_ASSERT(m_uiCurr != (size_t)-1);
        if (++m_uiCurr >= m_glob.gl_pathc) {
            return false;
        }
        FilePrep();
        return true;
    }

#if SG_HAVE_ICU
    bool FindNextFileS(UChar) {
        return FindNextFileS((char)0);
    }
#endif

    void FindDone() {
        globfree(&m_glob);
        memset(&m_glob, 0, sizeof(m_glob));
        m_uiCurr = (size_t)-1;
    }

    const char * GetFileNameS(char) const {
        SG_ASSERT(m_uiCurr != (size_t)-1);
        return m_glob.gl_pathv[m_uiCurr];
    }

#if SG_HAVE_ICU
    const UChar * GetFileNameS(UChar) const {
        const char * pszFile = GetFileNameS((char)0);
        if (!pszFile) return NULL;
        UErrorCode status = U_ZERO_ERROR;
        memset(m_szBuf, 0, sizeof(m_szBuf));
        u_strFromUTF8(m_szBuf, PATH_MAX, NULL, pszFile, -1, &status);
        if (U_FAILURE(status)) return NULL;
        return m_szBuf;
    }
#endif

    bool IsDirS(char) const {
        SG_ASSERT(m_uiCurr != (size_t)-1);
        return m_bIsDir;
    }

#if SG_HAVE_ICU
    bool IsDirS(UChar) const {
        return IsDirS((char)0);
    }
#endif

    SG_FileType GetFileTypeS(const char * a_pszPath) const {
        struct stat sb;
        if (0 != stat(a_pszPath, &sb)) {
            return SG_FILETYPE_INVALID;
        }
        if (S_ISDIR(sb.st_mode)) {
            return SG_FILETYPE_DIR;
        }
        if (S_ISREG(sb.st_mode)) {
            return SG_FILETYPE_FILE;
        }
        return SG_FILETYPE_INVALID;
    }

#if SG_HAVE_ICU
    SG_FileType GetFileTypeS(const UChar * a_pszPath) const {
        char buf[PATH_MAX] = { 0 };
        UErrorCode status = U_ZERO_ERROR;
        u_strToUTF8(buf, sizeof(buf), NULL, a_pszPath, -1, &status);
        if (U_FAILURE(status)) return SG_FILETYPE_INVALID;
        return GetFileTypeS(buf);
    }
#endif

private:
    glob_t  m_glob;
    size_t  m_uiCurr;
    bool    m_bIsDir;
#if SG_HAVE_ICU
    mutable UChar m_szBuf[PATH_MAX];
#endif
};

#endif // WIN32

#endif // DOXYGEN

// ---------------------------------------------------------------------------
//                              MAIN TEMPLATE CLASS
// ---------------------------------------------------------------------------

/*! @brief Implementation of the SimpleGlob class */
template<class SOCHAR>
class CSimpleGlobTempl : private SimpleGlobBase<SOCHAR>
{
public:
    /*! @brief Initialize the class.

        @param a_uiFlags            Combination of SG_GLOB flags.
        @param a_nReservedSlots     Number of slots in the argv array that
            should be reserved. In the returned array these slots
            argv[0] ... argv[a_nReservedSlots-1] will be left empty for
            the caller to fill in.
     */
    CSimpleGlobTempl(unsigned int a_uiFlags = 0, int a_nReservedSlots = 0);

    /*! @brief Deallocate all memory buffers. */
    ~CSimpleGlobTempl();

    /*! @brief Initialize (or re-initialize) the class in preparation for
        adding new filespecs.

        All existing files are cleared. Note that allocated memory is only
        deallocated at object destruction.

        @param a_uiFlags            Combination of SG_GLOB flags.
        @param a_nReservedSlots     Number of slots in the argv array that
            should be reserved. In the returned array these slots
            argv[0] ... argv[a_nReservedSlots-1] will be left empty for
            the caller to fill in.
     */
    int Init(unsigned int a_uiFlags = 0, int a_nReservedSlots = 0);

    /*! @brief Add a new filespec to the glob.

        The filesystem will be immediately scanned for all matching files and
        directories and they will be added to the glob.

        @param a_pszFileSpec    Filespec to add to the glob.

        @return SG_SUCCESS      Matching files were added to the glob.
        @return SG_ERR_NOMATCH  Nothing matched the pattern. To ignore this 
                                error compare return value to >= SG_SUCCESS.
        @return SG_ERR_MEMORY   Out of memory failure.
        @return SG_ERR_FAILURE  General failure.
     */
    int Add(const SOCHAR *a_pszFileSpec);

    /*! @brief Add an array of filespec to the glob.

        The filesystem will be immediately scanned for all matching files and
        directories in each filespec and they will be added to the glob.

        @param a_nCount         Number of filespec in the array.
        @param a_rgpszFileSpec  Array of filespec to add to the glob.

        @return SG_SUCCESS      Matching files were added to the glob.
        @return SG_ERR_NOMATCH  Nothing matched the pattern. To ignore this 
                                error compare return value to >= SG_SUCCESS.
        @return SG_ERR_MEMORY   Out of memory failure.
        @return SG_ERR_FAILURE  General failure.
     */
    int Add(int a_nCount, const SOCHAR * const * a_rgpszFileSpec);

    /*! @brief Return the number of files in the argv array.
     */
    inline int FileCount() const { return m_nArgsLen; }

    /*! @brief Return the full argv array. */
    inline SOCHAR ** Files() {
        SetArgvArrayType(POINTERS);
        return m_rgpArgs;
    }

    /*! @brief Return the a single file. */
    inline SOCHAR * File(int n) {
        SG_ASSERT(n >= 0 && n < m_nArgsLen);
        return Files()[n];
    }

private:
    CSimpleGlobTempl(const CSimpleGlobTempl &); // disabled
    CSimpleGlobTempl & operator=(const CSimpleGlobTempl &); // disabled

    /*! @brief The argv array has it's members stored as either an offset into
        the string buffer, or as pointers to their string in the buffer. The 
        offsets are used because if the string buffer is dynamically resized, 
        all pointers into that buffer would become invalid.
     */
    enum ARG_ARRAY_TYPE { OFFSETS, POINTERS };

    /*! @brief Change the type of data stored in the argv array. */
    void SetArgvArrayType(ARG_ARRAY_TYPE a_nNewType);

    /*! @brief Add a filename to the array if it passes all requirements. */
    int AppendName(const SOCHAR *a_pszFileName, bool a_bIsDir);

    /*! @brief Grow the argv array to the required size. */
    bool GrowArgvArray(int a_nNewLen);

    /*! @brief Grow the string buffer to the required size. */
    bool GrowStringBuffer(size_t a_uiMinSize);

    /*! @brief Compare two (possible NULL) strings */
    static int fileSortCompare(const void *a1, const void *a2);

private:
    unsigned int        m_uiFlags;
    ARG_ARRAY_TYPE      m_nArgArrayType;    //!< argv is indexes or pointers
    SOCHAR **           m_rgpArgs;          //!< argv 
    int                 m_nReservedSlots;   //!< # client slots in argv array
    int                 m_nArgsSize;        //!< allocated size of array
    int                 m_nArgsLen;         //!< used length
    SOCHAR *            m_pBuffer;          //!< argv string buffer
    size_t              m_uiBufferSize;     //!< allocated size of buffer
    size_t              m_uiBufferLen;      //!< used length of buffer
    SOCHAR              m_szPathPrefix[MAX_PATH]; //!< wildcard path prefix
};

// ---------------------------------------------------------------------------
//                                  IMPLEMENTATION
// ---------------------------------------------------------------------------

template<class SOCHAR>
CSimpleGlobTempl<SOCHAR>::CSimpleGlobTempl(
    unsigned int    a_uiFlags,
    int             a_nReservedSlots
    )
{
    m_rgpArgs           = NULL;
    m_nArgsSize         = 0;
    m_pBuffer           = NULL;
    m_uiBufferSize      = 0;

    Init(a_uiFlags, a_nReservedSlots);
}

template<class SOCHAR>
CSimpleGlobTempl<SOCHAR>::~CSimpleGlobTempl()
{
    if (m_rgpArgs) free(m_rgpArgs);
    if (m_pBuffer) free(m_pBuffer);
}

template<class SOCHAR>
int
CSimpleGlobTempl<SOCHAR>::Init(
    unsigned int    a_uiFlags,
    int             a_nReservedSlots
    )
{
    m_nArgArrayType     = POINTERS;
    m_uiFlags           = a_uiFlags;
    m_nArgsLen          = a_nReservedSlots;
    m_nReservedSlots    = a_nReservedSlots;
    m_uiBufferLen       = 0;

    if (m_nReservedSlots > 0) {
        if (!GrowArgvArray(m_nReservedSlots)) {
            return SG_ERR_MEMORY;
        }
        for (int n = 0; n < m_nReservedSlots; ++n) {
            m_rgpArgs[n] = NULL;
        }
    }

    return SG_SUCCESS;
}

template<class SOCHAR>
int
CSimpleGlobTempl<SOCHAR>::Add(
    const SOCHAR *a_pszFileSpec
    )
{
#ifdef WIN32
    // Windows FindFirst/FindNext recognizes forward slash as the same as 
    // backward slash and follows the directories. We need to do the same 
    // when calculating the prefix and when we have no wildcards.
    SOCHAR szFileSpec[MAX_PATH];
    SimpleGlobUtil::strcpy_s(szFileSpec, MAX_PATH, a_pszFileSpec);
    const SOCHAR * pszPath = SimpleGlobUtil::strchr(szFileSpec, '/');
    while (pszPath) {
        szFileSpec[pszPath - szFileSpec] = SG_PATH_CHAR;
        pszPath = SimpleGlobUtil::strchr(pszPath + 1, '/');
    }
    a_pszFileSpec = szFileSpec;
#endif

    // if this doesn't contain wildcards then we can just add it directly
    m_szPathPrefix[0] = 0;
    if (!SimpleGlobUtil::strchr(a_pszFileSpec, '*') &&
        !SimpleGlobUtil::strchr(a_pszFileSpec, '?'))
    {
        SG_FileType nType = GetFileTypeS(a_pszFileSpec);
        if (nType == SG_FILETYPE_INVALID) {
            if (m_uiFlags & SG_GLOB_NOCHECK) {
                return AppendName(a_pszFileSpec, false);
            }
            return SG_ERR_NOMATCH;
        }
        return AppendName(a_pszFileSpec, nType == SG_FILETYPE_DIR);
    }

#ifdef WIN32
    // Windows doesn't return the directory with the filename, so we need to 
    // extract the path from the search string ourselves and prefix it to the 
    // filename we get back.
    const SOCHAR * pszFilename = 
        SimpleGlobUtil::strrchr(a_pszFileSpec, SG_PATH_CHAR);
    if (pszFilename) {
        SimpleGlobUtil::strcpy_s(m_szPathPrefix, MAX_PATH, a_pszFileSpec);
        m_szPathPrefix[pszFilename - a_pszFileSpec + 1] = 0;
    }
#endif

    // search for the first match on the file
    int rc = FindFirstFileS(a_pszFileSpec, m_uiFlags);
    if (rc != SG_SUCCESS) {
        if (rc == SG_ERR_NOMATCH && (m_uiFlags & SG_GLOB_NOCHECK)) {
            int ok = AppendName(a_pszFileSpec, false);
            if (ok != SG_SUCCESS) rc = ok;
        }
        return rc;
    }

    // add it and find all subsequent matches
    int nError, nStartLen = m_nArgsLen;
    bool bSuccess;
    do {
        nError = AppendName(GetFileNameS((SOCHAR)0), IsDirS((SOCHAR)0));
        bSuccess = FindNextFileS((SOCHAR)0);
    }
    while (nError == SG_SUCCESS && bSuccess);
    SimpleGlobBase<SOCHAR>::FindDone();

    // sort these files if required
    if (m_nArgsLen > nStartLen && !(m_uiFlags & SG_GLOB_NOSORT)) {
        if (m_uiFlags & SG_GLOB_FULLSORT) {
            nStartLen = m_nReservedSlots;
        }
        SetArgvArrayType(POINTERS);
        qsort(
            m_rgpArgs + nStartLen,
            m_nArgsLen - nStartLen,
            sizeof(m_rgpArgs[0]), fileSortCompare);
    }

    return nError;
}

template<class SOCHAR>
int
CSimpleGlobTempl<SOCHAR>::Add(
    int                     a_nCount,
    const SOCHAR * const *  a_rgpszFileSpec
    )
{
    int nResult;
    for (int n = 0; n < a_nCount; ++n) {
        nResult = Add(a_rgpszFileSpec[n]);
        if (nResult != SG_SUCCESS) {
            return nResult;
        }
    }
    return SG_SUCCESS;
}

template<class SOCHAR>
int
CSimpleGlobTempl<SOCHAR>::AppendName(
    const SOCHAR *  a_pszFileName,
    bool            a_bIsDir
    )
{
    // we need the argv array as offsets in case we resize it
    SetArgvArrayType(OFFSETS);

    // check for special cases which cause us to ignore this entry
    if ((m_uiFlags & SG_GLOB_ONLYDIR) && !a_bIsDir) {
        return SG_SUCCESS;
    }
    if ((m_uiFlags & SG_GLOB_ONLYFILE) && a_bIsDir) {
        return SG_SUCCESS;
    }
    if ((m_uiFlags & SG_GLOB_NODOT) && a_bIsDir) {
        if (a_pszFileName[0] == '.') {
            if (a_pszFileName[1] == '\0') {
                return SG_SUCCESS;
            }
            if (a_pszFileName[1] == '.' && a_pszFileName[2] == '\0') {
                return SG_SUCCESS;
            }
        }
    }

    // ensure that we have enough room in the argv array
    if (!GrowArgvArray(m_nArgsLen + 1)) {
        return SG_ERR_MEMORY;
    }

    // ensure that we have enough room in the string buffer (+1 for null)
    size_t uiPrefixLen = SimpleGlobUtil::strlen(m_szPathPrefix);
    size_t uiLen = uiPrefixLen + SimpleGlobUtil::strlen(a_pszFileName) + 1; 
    if (a_bIsDir && (m_uiFlags & SG_GLOB_MARK) == SG_GLOB_MARK) {
        ++uiLen;    // need space for the backslash
    }
    if (!GrowStringBuffer(m_uiBufferLen + uiLen)) {
        return SG_ERR_MEMORY;
    }

    // add this entry. m_uiBufferLen is offset from beginning of buffer.
    m_rgpArgs[m_nArgsLen++] = (SOCHAR*)m_uiBufferLen;
    SimpleGlobUtil::strcpy_s(m_pBuffer + m_uiBufferLen,
        m_uiBufferSize - m_uiBufferLen, m_szPathPrefix);
    SimpleGlobUtil::strcpy_s(m_pBuffer + m_uiBufferLen + uiPrefixLen,
        m_uiBufferSize - m_uiBufferLen - uiPrefixLen, a_pszFileName);
    m_uiBufferLen += uiLen;

    // add the directory slash if desired
    if (a_bIsDir && (m_uiFlags & SG_GLOB_MARK) == SG_GLOB_MARK) {
        const static SOCHAR szDirSlash[] = { SG_PATH_CHAR, 0 };
        SimpleGlobUtil::strcpy_s(m_pBuffer + m_uiBufferLen - 2,
            m_uiBufferSize - (m_uiBufferLen - 2), szDirSlash);
    }

    return SG_SUCCESS;
}

template<class SOCHAR>
void
CSimpleGlobTempl<SOCHAR>::SetArgvArrayType(
    ARG_ARRAY_TYPE  a_nNewType
    )
{
    if (m_nArgArrayType == a_nNewType) return;
    if (a_nNewType == POINTERS) {
        SG_ASSERT(m_nArgArrayType == OFFSETS);
        for (int n = 0; n < m_nArgsLen; ++n) {
            m_rgpArgs[n] = (m_rgpArgs[n] == (SOCHAR*)-1) ?
                NULL : m_pBuffer + (size_t) m_rgpArgs[n];
        }
    }
    else {
        SG_ASSERT(a_nNewType == OFFSETS);
        SG_ASSERT(m_nArgArrayType == POINTERS);
        for (int n = 0; n < m_nArgsLen; ++n) {
            m_rgpArgs[n] = (m_rgpArgs[n] == NULL) ?
                (SOCHAR*) -1 : (SOCHAR*) (m_rgpArgs[n] - m_pBuffer);
        }
    }
    m_nArgArrayType = a_nNewType;
}

template<class SOCHAR>
bool
CSimpleGlobTempl<SOCHAR>::GrowArgvArray(
    int a_nNewLen
    )
{
    if (a_nNewLen >= m_nArgsSize) {
        static const int SG_ARGV_INITIAL_SIZE = 32;
        int nNewSize = (m_nArgsSize > 0) ? 
            m_nArgsSize * 2 : SG_ARGV_INITIAL_SIZE;
        while (a_nNewLen >= nNewSize) {
            nNewSize *= 2;
        }
        void * pNewBuffer = realloc(m_rgpArgs, nNewSize * sizeof(SOCHAR*));
        if (!pNewBuffer) return false;
        m_nArgsSize = nNewSize;
        m_rgpArgs = (SOCHAR**) pNewBuffer;
    }
    return true;
}

template<class SOCHAR>
bool
CSimpleGlobTempl<SOCHAR>::GrowStringBuffer(
    size_t a_uiMinSize
    )
{
    if (a_uiMinSize >= m_uiBufferSize) {
        static const int SG_BUFFER_INITIAL_SIZE = 1024;
        size_t uiNewSize = (m_uiBufferSize > 0) ? 
            m_uiBufferSize * 2 : SG_BUFFER_INITIAL_SIZE;
        while (a_uiMinSize >= uiNewSize) {
            uiNewSize *= 2;
        }
        void * pNewBuffer = realloc(m_pBuffer, uiNewSize * sizeof(SOCHAR));
        if (!pNewBuffer) return false;
        m_uiBufferSize = uiNewSize;
        m_pBuffer = (SOCHAR*) pNewBuffer;
    }
    return true;
}

template<class SOCHAR>
int
CSimpleGlobTempl<SOCHAR>::fileSortCompare(
    const void *a1,
    const void *a2
    )
{
    const SOCHAR * s1 = *(const SOCHAR **)a1;
    const SOCHAR * s2 = *(const SOCHAR **)a2;
    if (s1 && s2) {
        return SimpleGlobUtil::strcasecmp(s1, s2);
    }
    // NULL sorts first
    return s1 == s2 ? 0 : (s1 ? 1 : -1);
}

// ---------------------------------------------------------------------------
//                                  TYPE DEFINITIONS
// ---------------------------------------------------------------------------

/*! @brief ASCII/MBCS version of CSimpleGlob */
typedef CSimpleGlobTempl<char>    CSimpleGlobA;

/*! @brief wchar_t version of CSimpleGlob */
typedef CSimpleGlobTempl<wchar_t> CSimpleGlobW; 

#if SG_HAVE_ICU
/*! @brief UChar version of CSimpleGlob */
typedef CSimpleGlobTempl<UChar> CSimpleGlobU; 
#endif

#ifdef _UNICODE
/*! @brief TCHAR version dependent on if _UNICODE is defined */
# if SG_HAVE_ICU
#  define CSimpleGlob CSimpleGlobU
# else
#  define CSimpleGlob CSimpleGlobW   
# endif
#else
/*! @brief TCHAR version dependent on if _UNICODE is defined */
# define CSimpleGlob CSimpleGlobA   
#endif

#endif // INCLUDED_SimpleGlob


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