--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/win/dirent.c	Tue Jul 03 07:50:39 2001 +0000
@@ -0,0 +1,226 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#include <windows.h>
+
+#include "dirent.h"
+#include <errno.h>
+
+#define error(rc) errno = 255
+
+struct _dirdescr {
+	HANDLE		handle;		/* DosFindFirst handle */
+	char		fstype;		/* filesystem type */
+	long		count;		/* valid entries in <ffbuf> */
+	long		number;		/* absolute number of next entry */
+	int		index;		/* relative number of next entry */
+	char		name[MAXPATHLEN+3]; /* directory name */
+	unsigned	attrmask;	/* attribute mask for seekdir */
+	struct dirent	entry;		/* buffer for directory entry */
+	WIN32_FIND_DATA data;
+};
+
+/*
+ * Return first char of filesystem type, or 0 if unknown.
+ */
+static char
+getFSType(const char *path)
+{
+	static char cache[1+26];
+	char drive[3];
+	ULONG unit;
+	char r;
+
+	if (isalpha(path[0]) && path[1] == ':') {
+		unit = toupper(path[0]) - '@';
+		path += 2;
+	} else {
+		return 0;
+	}
+
+	if ((path[0] == '\\' || path[0] == '/')
+	 && (path[1] == '\\' || path[1] == '/'))
+		return 0;
+
+	if (cache [unit])
+		return cache [unit];
+
+	drive[0] = '@' + unit;
+	drive[1] = ':';
+	drive[2] = '\0';
+
+	r = GetDriveType(drive);
+
+	return cache [unit] = r;
+}
+
+char *
+abs_path(const char *name, char *buffer, int len)
+{
+	char buf[4];
+	if (isalpha(name[0]) && name[1] == ':' && name[2] == '\0') {
+		buf[0] = name[0];
+		buf[1] = name[1];
+		buf[2] = '.';
+		buf[3] = '\0';
+		name = buf;
+	}
+	if (GetLongPathName(name, buffer, len))
+		return NULL;
+	return buffer;
+}
+
+DIR *
+openxdir(const char *path, unsigned att_mask)
+{
+	DIR *dir;
+	char name[MAXPATHLEN+3];
+
+	dir = malloc(sizeof(DIR));
+	if (dir == NULL) {
+		errno = ENOMEM;
+		return NULL;
+	}
+
+	strncpy(name, path, MAXPATHLEN);
+	name[MAXPATHLEN] = '\0';
+	switch (name[strlen(name)-1]) {
+	default:
+		strcat(name, "\\");
+	case '\\':
+	case '/':
+	case ':':
+		;
+	}
+	strcat(name, ".");
+	if (!abs_path(name, dir->name, MAXPATHLEN+1))
+		strcpy(dir->name, name);
+	if (dir->name[strlen(dir->name)-1] == '\\')
+		strcat(dir->name, "*");
+	else
+		strcat(dir->name, "\\*");
+
+	dir->fstype = getFSType(dir->name);
+	dir->attrmask = att_mask | A_DIR;
+
+	dir->count = 100;
+	if((dir->handle = FindFirstFile(dir->name, &dir->data))==NULL)
+	{
+		free(dir);
+		error(rc);
+		return NULL;
+	}
+
+	dir->number = 0;
+	dir->index = 0;
+
+	return (DIR *)dir;
+}
+
+DIR *
+opendir(const char *pathname)
+{
+	return openxdir(pathname, 0);
+}
+
+struct dirent *
+readdir(DIR *dir)
+{
+	static int dummy_ino = 2;
+
+	if (dir->number)
+	{
+		ULONG rc;
+		dir->count = 100;
+		if(!FindNextFile(dir->handle, &(dir->data)))
+		{
+			error(rc);
+			return NULL;
+		}
+
+		dir->index = 0;
+	}
+
+	strcpy(dir->entry.d_name, dir->data.cFileName);
+	dir->entry.d_ino = dummy_ino++;
+	dir->entry.d_reclen = strlen(dir->data.cFileName);
+	dir->entry.d_namlen = strlen(dir->data.cFileName);
+	dir->entry.d_size = dir->data.nFileSizeLow;
+	dir->entry.d_attribute = dir->data.dwFileAttributes;
+#if 0
+	dir->entry.d_time = *(USHORT *)&dir->next->ftimeLastWrite;
+	dir->entry.d_date = *(USHORT *)&dir->next->fdateLastWrite;
+#endif
+
+	dir->number++;
+	dir->index++;
+	return &dir->entry;
+}
+
+long
+telldir(DIR *dir)
+{
+	return dir->number;
+}
+
+void
+seekdir(DIR *dir, long off)
+{
+	if (dir->number > off) {
+		char name[MAXPATHLEN+2];
+		ULONG rc;
+
+		FindClose(dir->handle);
+
+		strcpy(name, dir->name);
+		strcat(name, "*");
+
+		if((dir->handle = FindFirstFile(name, &(dir->data)))==NULL)
+		{
+			error(rc);
+			return;
+		}
+
+		dir->number = 0;
+		dir->index = 0;
+	}
+
+	while (dir->number < off && readdir(dir))
+		;
+}
+
+void
+closedir(DIR *dir)
+{
+	FindClose(dir->handle);
+	free(dir);
+}
+
+/*****************************************************************************/
+
+#ifdef TEST
+
+main(int argc, char **argv)
+{
+	int i;
+	DIR *dir;
+	struct dirent *ep;
+
+	for (i = 1; i < argc; ++i) {
+		dir = opendir(argv[i]);
+		if (!dir)
+			continue;
+		while (ep = readdir(dir))
+			if (strchr("\\/:", argv[i] [strlen(argv[i]) - 1]))
+				printf("%s%s\n", argv[i], ep->d_name);
+			else
+				printf("%s/%s\n", argv[i], ep->d_name);
+		closedir(dir);
+	}
+
+	return 0;
+}
+
+#endif