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lglob.h

/*
 * Copyright (C) 1984-2000  Mark Nudelman
 *
 * You may distribute under the terms of either the GNU General Public
 * License or the Less License, as specified in the README file.
 *
 * For more information about less, or for information on how to 
 * contact the author, see the README file.
 */


/*
 * Macros to define the method of doing filename "globbing".
 * There are three possible mechanisms:
 *   1.     GLOB_LIST
 *    This defines a function that returns a list of matching filenames.
 *   2. GLOB_NAME
 *    This defines a function that steps thru the list of matching
 *    filenames, returning one name each time it is called.
 *   3. GLOB_STRING
 *    This defines a function that returns the complete list of
 *    matching filenames as a single space-separated string.
 */

#if OS2

#define     DECL_GLOB_LIST(list)          char **list;  char **pp;
#define     GLOB_LIST(filename,list)      list = _fnexplode(filename)
#define     GLOB_LIST_FAILED(list)        list == NULL
#define     SCAN_GLOB_LIST(list,p)        pp = list;  *pp != NULL;  pp++
#define     INIT_GLOB_LIST(list,p)        p = *pp
#define     GLOB_LIST_DONE(list)          _fnexplodefree(list)

#else
#if MSDOS_COMPILER==DJGPPC

#define     DECL_GLOB_LIST(list)          glob_t list;  int i;
#define     GLOB_LIST(filename,list)      glob(filename,GLOB_NOCHECK,0,&list)
#define     GLOB_LIST_FAILED(list)        0
#define     SCAN_GLOB_LIST(list,p)        i = 0;  i < list.gl_pathc;  i++
#define     INIT_GLOB_LIST(list,p)        p = list.gl_pathv[i]
#define     GLOB_LIST_DONE(list)          globfree(&list)

#else
#if MSDOS_COMPILER==MSOFTC || MSDOS_COMPILER==BORLANDC

#define     GLOB_FIRST_NAME(filename,fndp,h) h = _dos_findfirst(filename, ~_A_VOLID, fndp)
#define     GLOB_FIRST_FAILED(handle)     ((handle) != 0)
#define     GLOB_NEXT_NAME(handle,fndp)         _dos_findnext(fndp)
#define     GLOB_NAME_DONE(handle)
#define     GLOB_NAME               name
#define     DECL_GLOB_NAME(fnd,drive,dir,fname,ext,handle) \
                              struct find_t fnd;      \
                              char drive[_MAX_DRIVE]; \
                              char dir[_MAX_DIR];     \
                              char fname[_MAX_FNAME]; \
                              char ext[_MAX_EXT];     \
                              int handle;
#else
#if MSDOS_COMPILER==WIN32C && defined(_MSC_VER)

#define     GLOB_FIRST_NAME(filename,fndp,h) h = _findfirst(filename, fndp)
#define     GLOB_FIRST_FAILED(handle)     ((handle) == -1)
#define     GLOB_NEXT_NAME(handle,fndp)   _findnext(handle, fndp)
#define     GLOB_NAME_DONE(handle)        _findclose(handle)
#define     GLOB_NAME               name
#define     DECL_GLOB_NAME(fnd,drive,dir,fname,ext,handle) \
                              struct _finddata_t fnd; \
                              char drive[_MAX_DRIVE]; \
                              char dir[_MAX_DIR];     \
                              char fname[_MAX_FNAME]; \
                              char ext[_MAX_EXT];     \
                              long handle;

#else
#if MSDOS_COMPILER==WIN32C && !defined(_MSC_VER) /* Borland C for Windows */

#define     GLOB_FIRST_NAME(filename,fndp,h) h = findfirst(filename, fndp, ~FA_LABEL)
#define     GLOB_FIRST_FAILED(handle)     ((handle) != 0)
#define     GLOB_NEXT_NAME(handle,fndp)   findnext(fndp)
#define     GLOB_NAME_DONE(handle)
#define     GLOB_NAME               ff_name
#define     DECL_GLOB_NAME(fnd,drive,dir,fname,ext,handle) \
                              struct ffblk fnd; \
                              char drive[MAXDRIVE];   \
                              char dir[MAXDIR]; \
                              char fname[MAXFILE];    \
                              char ext[MAXEXT]; \
                              int handle;

#endif
#endif
#endif
#endif
#endif

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