From 1030dc837b10a03a02a85d5504cbeec168ce49e2 Mon Sep 17 00:00:00 2001
From: Bernie Innocenti <bernie@codewiz.org>
Date: Mon, 03 May 2010 21:53:47 +0000
Subject: Import XaoS r489 (trunk after version 3.5)

---
(limited to 'src/include/xio.h')

diff --git a/src/include/xio.h b/src/include/xio.h
new file mode 100644
index 0000000..2395302
--- /dev/null
+++ b/src/include/xio.h
@@ -0,0 +1,107 @@
+/* This is implementation of input/output routines similar to stdio.
+   purpose of this library is to hide differences between OSes (Mac OS don't
+   have stdio!) and allow general streams to strings etc. */
+#ifndef XIO1_H
+#define XIO1_H 1
+#include <config.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#define XIO_FAILED NULL
+    struct xio_filestruct {
+	void *data;
+	int (*fputc) (int c, struct xio_filestruct * f);
+	int (*fputs) (const char *s, struct xio_filestruct * f);
+	int (*fgetc) (struct xio_filestruct * f);
+	int (*fungetc) (int c, struct xio_filestruct * f);
+	int (*xeof) (struct xio_filestruct * f);
+	int (*fclose) (struct xio_filestruct * f);
+	int (*flush) (struct xio_filestruct * f);
+    };
+
+    typedef struct xio_filestruct *xio_file;
+
+#define xio_puts(s,f) (f)->fputs((s),(f))
+#define xio_putc(s,f) (f)->fputc((s),(f))
+#define xio_getc(f) (f)->fgetc((f))
+#define xio_ungetc(s,f) (f)->fungetc((s),(f))
+#define xio_feof(f) (f)->xeof((f))
+#define xio_close(f) (f)->fclose((f))
+#define xio_flush(f) if ((f)->flush!=NULL) (f)->flush((f))
+
+/* Standard stdio maps. These defines says, that filenames are strings and
+   path is separated by slash or backslash (windoze, dog)
+   the main I/O routines are in the xstdio file
+*/
+
+#ifdef USE_STDIO
+/* Ugly hack because of unknown problems w/ va_list in v*print* in plan9 */
+#ifdef _plan9_
+#define va_list char *
+#endif
+#include <stdio.h>
+
+    typedef char *xio_path;
+    typedef CONST char *xio_constpath;
+    typedef char xio_pathdata[4096];
+    extern char *xio_appdir;	/*Where application binary is */
+    extern char *xio_homedir;
+
+
+#ifdef _WIN32
+#define XIO_PATHSEP '\\'
+#define XIO_PATHSEPSTR "\\"
+#define XIO_EMPTYPATH ".\\"	/*Should be also call to currentdir function */
+#else
+#ifdef DJGPP
+#define XIO_PATHSEP '\\'
+#define XIO_PATHSEPSTR "\\"
+#define XIO_EMPTYPATH ".\\"	/*Should be also call to currentdir function */
+#else
+#define XIO_PATHSEP '/'
+#define XIO_PATHSEPSTR "/"
+#define XIO_EMPTYPATH "./"	/*Should be also call to currentdir function */
+#endif
+#endif
+#define XIO_EOF EOF
+
+#define xio_addfname(destination, dirrectory, filename) \
+{strcpy(destination,dirrectory);if (strlen(dirrectory)&&destination[strlen(destination)-1]!=XIO_PATHSEP) strcat(destination,XIO_PATHSEPSTR);strcat(destination,filename);}
+#define xio_addextension(destination,extension) strcat(destination,extension)
+
+#ifdef _plan9_
+#define xio_errorstring() errstr
+#else
+#define xio_errorstring() strerror(errno)
+#endif				/*plan9 */
+
+    char *xio_fixpath(CONST char *name);
+#endif				/*USE_STDIO */
+
+    xio_file xio_ropen(xio_constpath name);
+    xio_file xio_wopen(xio_constpath name);
+    xio_file xio_strropen(CONST char *c);
+    xio_file xio_strwopen(void);
+    char *xio_getstring(xio_file f);
+    xio_path xio_getdirectory(xio_constpath name);
+    xio_path xio_getfilename(CONST char *base, CONST char *extension);
+    xio_file xio_getrandomexample(xio_path name);
+    xio_file xio_getcatalog(CONST char *name);
+    xio_file xio_gethelp(void);
+    xio_file xio_gettutorial(CONST char *name, xio_path result);
+
+    /*look trought directory with examples, choose one file, open it (and return
+     *descriptor+put name into name parameter*/
+    int xio_exist(xio_constpath name);
+    int xio_getfiles(xio_constpath path, char ***names, char ***dirs,
+		     int *nnames, int *ndirs);
+    void xio_init(CONST char *c);
+    void xio_uninit(void);
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif
--
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