96 lines
2.2 KiB
C
96 lines
2.2 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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// add *.* for Windows _findfirst() search pattern
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sprintf_s(searchstr, sizeof(searchstr), "%s\\*.*",name);
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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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strcpy_s(pdir->initName,sizeof(pdir->initName), c_file.name);
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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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