mirror of
https://github.com/PowerShell/Win32-OpenSSH.git
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4d952924e1
Use new compile flag WIN32_VS to add/change logic of sftp client and sftp server codes so that MS Visual Studio 2015 compiler and runtime can be used. opendir(), readdir(), closedir() directory APIs and basename() API of Unix/Linux are implemented in Windows as they are not available in Windows/VisualStudio C-runtime. win32_dirent.c and win32_dirent.h files added as dirent.c and dirent.h are not available in Windows and we do not want to affect mingW/gcc builds for Windows which have those files available.
94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
// win32_dirent.c
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// directory entry functions in Windows platform like Ubix/Linux
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// opendir(), readdir(), closedir().
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#include <stdlib.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include <windows.h>
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#include "win32_dirent.h"
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/* Open a directory stream on NAME.
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Return a DIR stream on the directory, or NULL if it could not be opened. */
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DIR * opendir(char *name)
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{
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struct _finddata_t c_file;
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intptr_t hFile;
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DIR *pdir;
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char searchstr[256];
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sprintf_s(searchstr, sizeof(searchstr), "%s\\*.*",name); // add *.* to it for NT
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if( (hFile = _findfirst( searchstr, &c_file )) == -1L ) {
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if (1) // verbose
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printf( "No files found for %s search.\n", name );
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return (DIR *) NULL;
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}
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else {
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pdir = (DIR *) malloc( sizeof(DIR) );
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pdir->hFile = hFile ;
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pdir->c_file = c_file ;
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return pdir ;
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}
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}
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/* Close the directory stream DIRP.
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Return 0 if successful, -1 if not. */
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int closedir(DIR *dirp)
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{
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if ( dirp && (dirp->hFile) ) {
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_findclose( dirp->hFile );
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dirp->hFile = 0;
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free (dirp);
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}
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return 0;
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}
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/* Read a directory entry from DIRP.
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Return a pointer to a `struct dirent' describing the entry,
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or NULL for EOF or error. The storage returned may be overwritten
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by a later readdir call on the same DIR stream. */
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struct dirent *readdir(void *avp)
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{
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struct dirent *pdirentry;
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DIR *dirp = (DIR *)avp;
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for (;;) {
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if ( _findnext( dirp->hFile, &(dirp->c_file) ) == 0 ) {
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if ( ( strcmp (dirp->c_file.name,".") == 0 ) ||
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( strcmp (dirp->c_file.name,"..") == 0 ) ) {
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continue ;
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}
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pdirentry = (struct dirent *) malloc( sizeof(struct dirent) );
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pdirentry->d_name = dirp->c_file.name ;
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pdirentry->d_ino = 1; // a fictious one like UNIX to say it is nonzero
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return pdirentry ;
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}
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else {
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return (struct dirent *) NULL;
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}
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}
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}
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// return last part of a path. The last path being a filename.
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char *basename(char *path)
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{
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char *pdest;
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if (!path)
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return ".";
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pdest = strrchr(path, '/');
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if (pdest)
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return (pdest+1);
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pdest = strrchr(path, '\\');
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if (pdest)
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return (pdest+1);
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return path; // path does not have a slash
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}
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// end of dirent functions in Windows
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